Applied Optoelectronics
A Texas maker of lasers and the plug-in optical modules that link AI servers, which also sells amplifiers for cable-TV networks.
Our viewUnattractive Medium conviction
The scores
The profile · 1-4
Growth3/4 ↑
Revenue up 82.8% in 2025 and 86.4% in Q2 2026, all organic, but from two narrow drivers: one cable upgrade and a few cloud buyers.
Business quality2/4 →
Its own 10-K calls products minimally differentiated; in-house lasers matter only while lasers are short, and Eoptolink already supplies Amazon.
Financial position2/4 →
$508.8M of cash, but operating cash flow is negative and capacity spending runs on share sales, with another $600M programme open.
Execution record2/4 →
800G revenue arrived later than said in four straight quarters and the $140M profit target was dropped, though capacity targets were broadly met.
Per share capture2/4 ↓
Diluted shares up 43.7% in a year, 12.5% more in five months, Amazon's warrant at $23.70 and convertibles deep in the money.
Potential2/4 ↑
A large market growing fast, but AAOI's share of it rests on cancellable orders, a non-binding warrant and its own capacity arriving on time.
Risk profile2/4 →
Top ten customers are 99% of revenue, Digicomm alone 42.8%, Charter's upgrade ends by 2027, and most output is made in China.
Valuation2/4 ↑
The price needs about $2.0B of revenue at a 20% margin held for good; AAOI has held such a margin for one year, 2017.
Evidence quality3/4 →
Statements, orders' terms and the customer's timetable are filed; the 800G mix, the 1.6T order and the 2027 target are management's word.
The bet · 2-3 years
Speculation3.5×
If it works 3.5× · if it fails you keep about 14%.
The Verdict
We rate Applied Optoelectronics unattractive. It grows its own lasers in Texas and turns them into the optical parts that carry data between AI servers, but it still loses money, ships new products late and funds factories with new shares, so the business is weak. The price, even after a 32% fall, still counts a next year that management has promised and not delivered, at a profit margin earned only once, so it is full, not cheap. As a bet it is speculative: roughly two and a half times the money if the data-centre business delivers, little more than a tenth left if it stalls.
The long caseAI data centres keep buying more and faster optical links; if AAOI can build them in volume, on time and at a profit, its data center line keeps growing.
The evidence under this - 9 claims
C01facthigh confidence
Applied Optoelectronics designs and makes lasers, optical subassemblies, plug-in optical transceivers for data centres, and cable-TV network equipment such as amplifiers and nodes. It reports one segment, with revenue split by market: data center, CATV, telecom and FTTH. It manufactures in Sugar Land, Texas, in Taipei, Taiwan and in Ningbo, China.
C02facthigh confidence
2025 revenue was $455.7M, up 82.8% from $249.4M. CATV was $245.1M (53.8%) and data center $195.7M (42.9%); gross margin was 30.0%, the operating loss $54.6M and the net loss $38.2M.
C10facthigh confidence
The 800G ramp has run behind what management said: 800G revenue was immaterial for a third straight quarter in Q3 2025; it came in below the $4M-$10M expected for Q4 2025 because of firmware work; and after expecting nearly four times the Q1 2026 quantity in Q2, 800G revenue rose from $4.6M to $12.8M.
C16facthigh confidence
Shares outstanding rose from 75,198,817 on 24 February 2026 to 84,569,237 on 3 August 2026, 12.5% in five months, after selling about 7.78M shares at the market between March and June. Diluted weighted shares were 81.6M in the second quarter against 56.8M a year earlier, the Q3 guide assumes 92.8M, and a third $600M at-the-market programme was signed on 21 August. On 5 October the company said it had completed that programme: 5,694,845 shares at an average $105.36, $588.0M net of commissions. Added to the 3 August count that is about 90.3M shares before any option or warrant exercise, 9.7M short of the 100M in the third invalidation criterion.
sourceForm 10-K for the year ended 31 December 2025primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary8-K of 21 August 2026: $600M equity distribution agreementprimaryApplied Optoelectronics release, 'Announces Completion of…primary
- 2026-10-06edited5 October release: the third at-the-market programme is complete, 5.69M shares at $105.36, $588.0M net; adds the pro forma share count against the 100M criterion
C26estimatemedium confidence
At $67.51 on 23 October 2026 the market value is about $6.09B on about 90.26M shares (84.57M on 3 August plus the 5.69M sold in the finished August programme); adding $92.8M of bank debt and $125M of convertibles and taking off at most $1,096.8M of cash (the $508.8M held on 30 June plus the $588.0M raised, before any third-quarter spending) gives an enterprise value of at least $5.21B. That is at least 8.7 times trailing revenue of $596.0M and about 4.7 times the $1.1B 2026 guide.
sourceDaily closes to 23 October 2026 (FMP end-of-day prices)secondaryApplied Optoelectronics release, 'Announces Completion of…primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary
against this
- Cash has fallen since 30 June as capital spending continued, so the true enterprise value is higher and the multiple above 8.7.
- The 30 September version counted 84.57M shares and $508.8M of cash and so left out the August programme; on that basis $67.51 would read about 9.1 times, so the correction is small.
- 2026-10-26editedre-struck at the 23 October close after a 32% fall; shares and cash now include the August programme the 30 September version left out
C27estimatemedium confidence
For a 6% after-tax yield at 21% tax, an enterprise value of at least $5.21B needs about $396M of operating profit. At a 20% operating margin that is about $2.0B of revenue, 3.3 times the trailing year and 1.8 times the 2026 guide, but below the vendor panel's $2.96B for 2027.
against this
- A 6% yield is a judgement; at 5% the profit needed falls to about $330M.
- Management's mid-2027 monthly target annualises near $6B with cable, so the price assumes about a third of the plan.
- Management targets a 40% gross margin, which at that revenue could carry more than a 20% operating margin.
- The $2.0B is a floor: unspent cash is an upper bound and the share count excludes the convertibles and Amazon's warrant.
- 2026-10-26editedre-struck at the 23 October close; the revenue the price needs fell from about $3.1B to about $2.0B
C28factmedium confidence
The vendor's rating snapshot has 7 Buy, 6 Hold and 3 Sell; its dated series shows 50% positive of 6 analysts since May, down from 66.7% in January. Its revenue estimates are $1.049B for 2026 and $2.96B for 2027 from 3 analysts each, and $5.11B for 2028 from one.
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C12management claimmedium confidence
Management targets about $471M a month of data center transceiver revenue by mid-2027 (100G and 400G $90M, 800G $217M, 1.6T $164M), raised in May 2026 from $378M a month; capacity of over 650,000 800G and 1.6T units a month by end-2026 and 930,000 by end-2027; and over $325M a year of CATV revenue.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimaryFourth quarter 2025 earnings call transcriptprimary
against this
- Second-quarter data center revenue was about $36M a month, so the target is roughly thirteen times today's rate (C03).
- The company has no purchase commitment longer than one year with any customer (C18).
- Its record on 800G dates has slipped every quarter for a year (C10).
The company
Inside a data centre, switches and servers talk over fibre. At each end sits a plug-in module that turns electrical signals into light and back. AAOI makes these modules, and unusually it grows the laser chips inside them itself, in Sugar Land, Texas.
Its buyers are a handful of cloud companies, including Amazon, which took a warrant tied to its purchases. Separately, Charter Communications certified AAOI's amplifiers, the boxes that boost signals on cable lines, for its network upgrade.
The evidence under this - 5 claims
C01facthigh confidence
Applied Optoelectronics designs and makes lasers, optical subassemblies, plug-in optical transceivers for data centres, and cable-TV network equipment such as amplifiers and nodes. It reports one segment, with revenue split by market: data center, CATV, telecom and FTTH. It manufactures in Sugar Land, Texas, in Taipei, Taiwan and in Ningbo, China.
C19facthigh confidence
AAOI makes all its laser chips in Sugar Land, Texas, using two crystal-growth processes (MBE and MOCVD), and most of the data center transceivers it sells use its own lasers and light engines. It plans to move from 3-inch to 4-inch indium phosphide wafers and to expand laser output in Texas.
C05factmedium confidence
Charter Communications certified AAOI's 1.8 GHz amplifiers, line extenders and QuantumLink software for its network upgrade in July 2025, and Digicomm handles logistics under an exclusive distribution deal agreed in 2023. A Charter senior vice president is quoted saying the products will help Charter deliver the capacity its customers expect.
C08facthigh confidence
In March 2025 AAOI gave an Amazon subsidiary a warrant for 7,945,399 shares at $23.6956: 1,324,233 vested at once and the rest vest only as Amazon buys up to $4B of AAOI products over ten years. Revenue from warrant customers was $33.1M in 2025 and $84.8M in the first half of 2026, booked net of a contra-revenue charge of about 2.5%.
C20management claimmedium confidence
Management says making its own lasers spares AAOI the laser shortage that limits rivals, that customers want more of its output than it can make through mid-2027, and that its constraint is now outside chips (DSPs and amplifier chips) rather than lasers.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimary
against this
- The 10-K itself says the products are minimally differentiated (C18).
- Coherent and Lumentum also make their own lasers, so in-house supply is not unique to AAOI (S22, S23).
- A supply advantage lasts only while lasers are short; management itself expects new Chinese laser supply.
How it makes money
It sells modules and amplifiers one purchase order at a time. No customer has committed to buy for more than a year, and orders can be moved or cancelled at short notice. Ten customers bring in 99% of sales, and one distributor selling to Charter brought in 42.8% of the first half of 2026.
The evidence under this - 4 claims
C01facthigh confidence
Applied Optoelectronics designs and makes lasers, optical subassemblies, plug-in optical transceivers for data centres, and cable-TV network equipment such as amplifiers and nodes. It reports one segment, with revenue split by market: data center, CATV, telecom and FTTH. It manufactures in Sugar Land, Texas, in Taipei, Taiwan and in Ningbo, China.
C04facthigh confidence
Customers are concentrated: the top ten were 99% of second-quarter 2026 revenue. Digicomm, the exclusive distributor of AAOI's cable equipment, was 42.8% of first-half revenue and 67.2% of receivables, on longer-than-usual payment terms; two data center customers were 26% and 24% of the quarter. In 2025 Digicomm was 53.1% and Microsoft 28.8%.
C18facthigh confidence
AAOI's own annual report says that 'in many cases our products are only minimally differentiated from those of our competitors' and that there is strong pricing pressure. It sells on short-term purchase orders that customers can reschedule or cancel at short notice, has no purchase commitment longer than one year with any customer, and calls its backlog no reliable guide to revenue.
C08facthigh confidence
In March 2025 AAOI gave an Amazon subsidiary a warrant for 7,945,399 shares at $23.6956: 1,324,233 vested at once and the rest vest only as Amazon buys up to $4B of AAOI products over ten years. Revenue from warrant customers was $33.1M in 2025 and $84.8M in the first half of 2026, booked net of a contra-revenue charge of about 2.5%.
Where the money comes from, stream by stream
| Stream | Share of sales (Q2 2026) | How it earns it |
|---|---|---|
| Data center | 56.1% | Optical transceivers, mostly 100G to 800G built on its own lasers, sold by purchase order to a few cloud companies, Amazon and Microsoft among them. |
| CATV | 42.0% | Amplifiers, nodes and software for cable network upgrades, sold through the distributor Digicomm mainly to Charter, with Mediacom added. |
| Telecom | 1.8% | Optical components and modules for telecom carriers' fibre and 5G networks. |
| Other | 0.1% | Fibre-to-the-home and other products not counted in the three markets. |
Who runs it
Thompson Lin founded the company in 1997 and has run it ever since. Stefan Murry, there since 2000, has been finance chief since 2014. Directors and executives together own about 3.8%, nearly half of it Lin's. The yearly bonus rides mostly on sales and winning new product designs, a quarter on reaching break-even; the long-term shares pay on the stock price. Nothing pays on cash flow or on results per share, while the company keeps selling new shares.
The evidence under this - 4 claims
C46facthigh confidence
Chih-Hsiang (Thompson) Lin founded the company in February 1997, has been president and chief executive since then and chairman since January 2014. Stefan Murry has been chief financial officer since August 2014 and chief strategy officer since December 2012, after running sales and marketing from 2000.
C47facthigh confidence
As of 10 April 2026 the 12 directors and executive officers as a group owned 3,028,408 shares, 3.8% of 80,047,663 outstanding; Thompson Lin held 1,449,150 (1.8%), the largest insider. Jane Street (5.1%) and Vanguard (5.1%) were the only holders above 5%. There is one class of common stock.
C48facthigh confidence
The 2025 cash bonus paid on three goals: revenue of $375M (25%, maximum earned), non-GAAP operating income at breakeven (25%, partly earned) and two design wins (50%, three won, maximum); it paid 104.8% of target, $1,009,087 to the chief executive. Long-term awards were half time-vested RSUs and half PSUs paying on three-year relative TSR and a stock price hurdle.
against this
Nothing in the bonus or the PSUs pays on cash flow, gross margin or a per-share measure, while the share count rose 43.7% in a year (C16).
C49facthigh confidence
AAOI has never paid a dividend and its 2025 10-K reports no buyback and no acquisition. Net at-the-market share sales raised $113M in 2024 and $518.9M in 2025; property and equipment purchases were $43.4M and $179.1M, then $335.1M plus $289.7M of equipment prepayments in the first half of 2026. In December 2024 most 5.25% 2026 convertibles were exchanged into $125M of 2.75% notes due 2030.
Why it wins, and who could beat it
Why customers come back
Lasers are in short supply, and AAOI makes its own in America. That gets it qualified by buyers who want supply that is not Chinese.
But its own annual report says that in many cases its products are only minimally differentiated from competitors'. Coherent and Lumentum also make their own lasers, and both earn higher margins than AAOI does.
The evidence under this - 5 claims
C19facthigh confidence
AAOI makes all its laser chips in Sugar Land, Texas, using two crystal-growth processes (MBE and MOCVD), and most of the data center transceivers it sells use its own lasers and light engines. It plans to move from 3-inch to 4-inch indium phosphide wafers and to expand laser output in Texas.
C20management claimmedium confidence
Management says making its own lasers spares AAOI the laser shortage that limits rivals, that customers want more of its output than it can make through mid-2027, and that its constraint is now outside chips (DSPs and amplifier chips) rather than lasers.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimary
against this
- The 10-K itself says the products are minimally differentiated (C18).
- Coherent and Lumentum also make their own lasers, so in-house supply is not unique to AAOI (S22, S23).
- A supply advantage lasts only while lasers are short; management itself expects new Chinese laser supply.
C18facthigh confidence
AAOI's own annual report says that 'in many cases our products are only minimally differentiated from those of our competitors' and that there is strong pricing pressure. It sells on short-term purchase orders that customers can reschedule or cancel at short notice, has no purchase commitment longer than one year with any customer, and calls its backlog no reliable guide to revenue.
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C35factmedium confidence
Against its two admitted filed competitors, Coherent and Lumentum, AAOI has the lowest trailing gross margin and the lowest operating margin of the three, while its enterprise value to sales sits between theirs.
The threat
Chinese rivals are bigger and already inside the same buyers: an industry researcher names Eoptolink as a key supplier to Amazon. NVIDIA now sells switches with the optics built in, which removes the plug-in module altogether. In cable, ATX Networks also supplies Charter, and Charter's own plan lets it run fibre to homes instead.
The evidence under this - 4 claims
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C22factmedium confidence
NVIDIA sells switches with the optics built into the switch package, which it says replace pluggable transceivers with five times better power efficiency; it names Microsoft, Meta, Oracle, CoreWeave and Lambda as first adopters and says its Ethernet version has ramped to full production.
C07factmedium confidence
Trade press lists ATX Networks as Charter's other supplier of amplifiers and nodes for the upgrade, beside AAOI, and reports Charter's chief executive expecting the project to be half complete by the end of 2026.
C06facthigh confidence
Charter is moving its cable network to 1.8 GHz and DOCSIS 4.0 and says the process should be largely complete by the end of 2027; the same upgrade will let it extend fibre to the home on demand. Its upgrade and rebuild spending was $1,937M in 2025 against $1,771M in 2024, and it expects about $11.4B of total 2026 capital spending.
The rivals: NVDA, COHR, LITE, and 4 more that are private, in-house or listed abroad.
Who else does this, rival by rival
| Ticker | Rival | Where it competes | How far along | Priced against it |
|---|---|---|---|---|
| Eoptolink (Shenzhen 300502)Priced against it: Listed abroad | Data center | On sale | Listed abroad | |
| InnoLight (Zhongji Innolight, Shenzhen 300308)Priced against it: Listed abroad | Data center | On sale | Listed abroad | |
| NVDA | NVIDIA Spectrum-X Ethernet PhotonicsPriced against it: Small part of it | Data center | On sale | Small part of it |
| Private | ATX NetworksPriced against it: Private | CATV | On sale | Private |
| In-house | Charter's own fibre-on-demand buildPriced against it: In-house | CATV | Announced | In-house |
| COHR | CoherentPriced against it: Yes | - | On sale | Yes |
| LITE | Lumentum HoldingsPriced against it: Yes | - | On sale | Yes |
How big it could get
How big this could get
The pond is large and growing fast. The two biggest module makers alone sold $8.8B in 2025, in a market that grew about 58%. AAOI sold $195.7M of data centre products that year. Management aims for $471M a month by mid-2027, a seller's target rather than a measurement.
The evidence under this - 3 claims
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C12management claimmedium confidence
Management targets about $471M a month of data center transceiver revenue by mid-2027 (100G and 400G $90M, 800G $217M, 1.6T $164M), raised in May 2026 from $378M a month; capacity of over 650,000 800G and 1.6T units a month by end-2026 and 930,000 by end-2027; and over $325M a year of CATV revenue.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimaryFourth quarter 2025 earnings call transcriptprimary
against this
- Second-quarter data center revenue was about $36M a month, so the target is roughly thirteen times today's rate (C03).
- The company has no purchase commitment longer than one year with any customer (C18).
- Its record on 800G dates has slipped every quarter for a year (C10).
C02facthigh confidence
2025 revenue was $455.7M, up 82.8% from $249.4M. CATV was $245.1M (53.8%) and data center $195.7M (42.9%); gross margin was 30.0%, the operating loss $54.6M and the net loss $38.2M.
Who has signed
Amazon holds a warrant that vests as it buys up to $4B of products over ten years, but it is not obliged to buy anything. A cloud customer has placed more than $200M of orders for the newest 1.6T modules, and like all AAOI's orders they can be rescheduled.
The evidence under this - 3 claims
C08facthigh confidence
In March 2025 AAOI gave an Amazon subsidiary a warrant for 7,945,399 shares at $23.6956: 1,324,233 vested at once and the rest vest only as Amazon buys up to $4B of AAOI products over ten years. Revenue from warrant customers was $33.1M in 2025 and $84.8M in the first half of 2026, booked net of a contra-revenue charge of about 2.5%.
C33management claimmedium confidence
Management says it holds more than $200M of 1.6T orders from a long-standing hyperscale customer, expects to be its fourth qualified 1.6T supplier, and can deliver only about $70M-$80M of 1.6T in the fourth quarter because of chip supply, with the order finishing in 2027.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimary
against this
- In May the same order was due to be completed by the end of 2026 (S05).
- Purchase orders can be rescheduled or cancelled at short notice (C18).
- Being a fourth qualified supplier means three others already ship to the same buyer.
C18facthigh confidence
AAOI's own annual report says that 'in many cases our products are only minimally differentiated from those of our competitors' and that there is strong pricing pressure. It sells on short-term purchase orders that customers can reschedule or cancel at short notice, has no purchase commitment longer than one year with any customer, and calls its backlog no reliable guide to revenue.
Where the growth is coming from, business by business
Where the growth is coming from
| Business | Share of revenue | Growth: last quarter | Last half-year | Last year | Share in 3 years at its half-year rate |
|---|---|---|---|---|---|
| Data center | 56% | +140.4% | +146.1% | +82.6% | 91% |
| CATV | 42% | +43.8% | +22.3% | +86.1% | 8% |
| Rest of the company | 2% | +71.9% | +20.7% | +8.5% | 0% |
| Whole company | 100% | +86.4% | +69.2% | +81.4% | 100% |
On the filed split through 2026-06-30, if each business keeps its last half-year's growth, the company grows about 92% next year and 126% in year 3, against 61.8% over the last twelve months. Data center carries the case: it grows 146% against 22% for the rest, and would be 91% of revenue by then. A scenario, not a forecast: no business holds its rate.
How we read it: The business carrying the case: data center's 146% rests on Amazon's warrant buying and 400G, with 800G late; cable's 22% is Charter's upgrade, largely done by 2027. Under a year of record, so 3 either way.
The results
The numbers
Is it growing?Fast
Sales grew 62% over the twelve months to Jun 2026, slower than the 83% in the year to Dec 2025.
Is it profitable?Losing
Operating margin is −11%, up from −19% in the year to Dec 2023.
Does growth pay off?Flat
Running costs take 40¢ of each sales dollar, down from 45¢ in the year to Dec 2021.
Does it earn good returns?Poor
Shareholders' money lost 5.4% a year, up from −20% in the year to Dec 2021.
Is it making cash?Burning
Operations used $132M of cash, 22% of sales, before capital spending, which the filer does not tag.
Is the balance sheet safe?Net cash
It holds $500M of cash against $58.9M of debt, $441M more cash than it owes.
Are shares being diluted?Diluting
The share count rose 203% in 4.5 years, and pay in shares costs 2.6% of sales.
All the numbers
Filed figures from the company's 10-K and 10-Q, read 2026-10-05. Fiscal years end in December.
| Dec 2021 | Dec 2022 | Dec 2023 | Dec 2024 | Dec 2025 | 12 mo to Jun 2026 | |
|---|---|---|---|---|---|---|
| Size and growth | ||||||
| Sales | $212M | $223M | $218M | $249M | $456M | $596M |
| Sales growth | −9.8% | +5.3% | −2.3% | +15% | +83% | +62% |
| Profit | ||||||
| Gross margin | 18% | 15% | 27% | 25% | 30% | 29% |
| Operating margin | −27% | −26% | −19% | −28% | −12% | −11% |
| Net margin | −26% | −30% | −26% | −75% | −8.4% | −9.6% |
| What growth costs, per sales dollar | ||||||
| Research and development | 19% | 16% | 17% | 22% | 19% | 18% |
| Sales and marketing | 5.2% | 4.4% | 5.1% | 7.3% | 6.6% | 5.8% |
| General and admin | 20% | 21% | 24% | 24% | 17% | 16% |
| Pay in shares | 5.7% | 4.3% | 5.5% | 5.9% | 2.6% | 2.6% |
| Capital spending | 3.8% | 1.4% | 4.2% | 17% | 39% | - |
| Cash | ||||||
| Cash from operations | −$11.6M | −$14.0M | −$7.93M | −$69.5M | −$174M | −$132M |
| Free cash flow | −$19.6M | −$17.2M | −$17.0M | −$113M | −$354M | - |
| Balance sheet | ||||||
| Cash and short-term investments | $34.7M | $24.7M | $45.4M | $67.4M | $206M | $500M |
| Debt | $54.7M | $57.1M | $23.2M | $26.7M | $34.0M | $58.9M |
| Net cash | −$20.0M | −$32.4M | $22.2M | $40.7M | $172M | $441M |
| Returns and shares | ||||||
| Shares (diluted) | 26.9M | 27.8M | 31.9M | 41.5M | 60.2M | 81.6M |
What growth costs
Growing has not yet made AAOI cheaper to run per sale: research, selling and office costs have risen about as fast as sales. The smaller loss came from better margins on the products themselves. Spending on factories has jumped far faster than sales, and new shares pay for it.
The evidence under this - 2 claims
C50facthigh confidence
Operating costs took 42.4% of revenue in 2020, 46.1% in 2023, 53.2% in 2024 and 42.0% in 2025 (research 18.5% to 18.8%, selling 6.0% to 6.6%, admin 17.9% to 16.6%), while gross margin rose from 21.5% to 30.0%; stock pay fell from 5.6% to 2.6% of revenue and capital spending rose from 6.7% to 39.3%, and to 97.7% in the first half of 2026.
C15facthigh confidence
In the first half of 2026 operating cash flow was minus $73.8M, capital expenditure $335.1M and investing outflow $633.7M, while financing brought in $980.3M, mostly about $1.03B net from at-the-market share sales. Second-quarter capital investment was $565.5M including $280M of equipment prepayments, and management expects spending to stay elevated through 2027.
The last report (6 Aug)
Quarter ended June 2026, filed figures.
86%
Sales growth
against the same quarter a year earlier
27.0%
Growth from the quarter before
against 12.6% the quarter before that
-13¢
Operating profit
per dollar of sales
Sales for Q2 2026 were $191.9M, up 86.4%. Data centre sales more than doubled and cable sales rose 43.8%. The company still lost $24.7M at the operating level.
Management called it a return to profit on its adjusted measure. That profit came from a $14.3M tax adjustment: before tax, the adjusted result was still a loss. And the newest 800G modules grew less than the company had said three months earlier, as they have every quarter for a year.
What it did to the thesisIt supported the part of the case the market has right: demand for the data centre modules is real and growing fast. It also confirmed the doubts behind the Unattractive view, since the business still loses money on its own terms and the newest modules again arrived slower than promised.
The quarter in detail
Sales growth from the previous quarter, filed figures.
Earnings per share $0.06 against $0.02 expected; $-0.28 as filed, the gap being what the company adds back.
The evidence under this - 4 claims
C03facthigh confidence
Second-quarter 2026 revenue was $191.9M, up 86.4% on a year earlier and 27.0% on the first quarter. Data center revenue was $107.7M, up 140.4%; CATV $80.6M, up 43.8%. GAAP gross margin was 27.7% against 30.3%, the operating loss $24.7M and the net loss $22.8M.
C14estimatemedium confidence
Second-quarter non-GAAP net income of $5.5M rested on a $14.3M non-GAAP tax adjustment: before tax the non-GAAP result was a loss of about $7.5M, adjusted EBITDA was minus $0.5M, and management attributed the beat to foreign tax benefits and government subsidy income.
sourceSecond quarter 2026 results release (8-K Exhibit 99.1)primarySecond quarter 2026 earnings call transcriptprimary
against this
- Management says the tax benefits and subsidies should continue in later quarters, so they may recur.
- The GAAP loss included $3.6M of discontinued-product costs and $4.7M of non-recurring expense that may not repeat.
C10facthigh confidence
The 800G ramp has run behind what management said: 800G revenue was immaterial for a third straight quarter in Q3 2025; it came in below the $4M-$10M expected for Q4 2025 because of firmware work; and after expecting nearly four times the Q1 2026 quantity in Q2, 800G revenue rose from $4.6M to $12.8M.
C09management claimmedium confidence
Management says 800G modules were $12.8M of second-quarter data center revenue (11.9%), up from $4.6M in the first quarter, with 400G at $48.4M and 100G at 38.3% of the line. It expects 800G revenue to grow nearly five times in the third quarter, while 100G falls $20M-$25M because a customer cannot get switches.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimary
against this
- Product revenue by speed is said on calls and appears in no filing, so it cannot be checked.
- The same management expected nearly four times the 800G quantity in Q2 and revenue rose about 2.8 times (C10).
What management did with the money
It is building factories as fast as it can, spending $335.1M on equipment in the first half of 2026. It paid for that by selling about 7.78M new shares, and in August it signed up to sell up to $600M more.
Insiders in 2026Q3: 1 purchases and 28 sales, from their Form 4 filings.
The evidence under this - 2 claims
C15facthigh confidence
In the first half of 2026 operating cash flow was minus $73.8M, capital expenditure $335.1M and investing outflow $633.7M, while financing brought in $980.3M, mostly about $1.03B net from at-the-market share sales. Second-quarter capital investment was $565.5M including $280M of equipment prepayments, and management expects spending to stay elevated through 2027.
C16facthigh confidence
Shares outstanding rose from 75,198,817 on 24 February 2026 to 84,569,237 on 3 August 2026, 12.5% in five months, after selling about 7.78M shares at the market between March and June. Diluted weighted shares were 81.6M in the second quarter against 56.8M a year earlier, the Q3 guide assumes 92.8M, and a third $600M at-the-market programme was signed on 21 August. On 5 October the company said it had completed that programme: 5,694,845 shares at an average $105.36, $588.0M net of commissions. Added to the 3 August count that is about 90.3M shares before any option or warrant exercise, 9.7M short of the 100M in the third invalidation criterion.
sourceForm 10-K for the year ended 31 December 2025primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary8-K of 21 August 2026: $600M equity distribution agreementprimaryApplied Optoelectronics release, 'Announces Completion of…primary
- 2026-10-06edited5 October release: the third at-the-market programme is complete, 5.69M shares at $105.36, $588.0M net; adds the pro forma share count against the 100M criterion
The price, and where we disagree
In short. Full. The price already pays for AAOI's sales growing several times over and staying profitable, which it has managed only once. A company that keeps shipping late leaves little room for that.
Share price
$82.22
close,
Company value for each $1 of sales
13.0
rivals' middle 16.5 · its 6-year normal 2.2
The shares closed at $223.10 in May and have since fallen by two thirds, to $67.51 on 23 October, with no company news and the other optical makers falling alongside, so the excitement has largely gone.
The next test comes on 5 November, with the Q3 2026 results. Management has promised $255M to $290M of sales and about $1.1B for the year, which needs a fourth quarter near $484M. Meanwhile Washington is moving against Chinese-made modules, which would favour a US laser maker.
The evidence under this - 3 claims
C29facthigh confidence
The shares fell from $29.10 on 6 November 2025, after a third-quarter print 9.8% below the revenue estimate, to $19.49 on 20 November; rose 56.9% the day after the February 2026 results; peaked at a $223.10 close on 13 May; closed at $99.26 on 30 September, and fell to $67.51 on 23 October, 32% lower in three weeks with no company news and the optical group falling alongside. Over 252 sessions to 30 September they rose 282.7%, of which revenue per share explains 12.7% and a higher multiple the rest.
sourceResearch pack, frozen at content/AAOI/research-pack.jsonsecondaryForm 10-Q for the quarter ended 30 June 2026primaryThird quarter 2025 earnings call transcriptprimary
- 2026-10-26editedadded the 23 October close; the 252-session decomposition stays as of 30 September
C11management claimmedium confidence
Management guides third-quarter 2026 revenue of $255M-$290M, non-GAAP gross margin of 29%-30.5% and non-GAAP net income of $10.1M-$24.0M on about 92.8M diluted shares, and says 2026 revenue will be around $1.1B. With $343.1M in the first half and the Q3 midpoint of $272.5M, that implies a fourth quarter near $484M.
sourceSecond quarter 2026 results release (8-K Exhibit 99.1)primarySecond quarter 2026 earnings call transcriptprimary
against this
- The 2026 figure softened from 'over $1.1 billion' in May to 'around $1.1 billion' in August (C13).
- An analyst on the August call noted a push-out of this year's revenue into the fourth quarter, which management did not dispute.
- The fourth quarter would need about 78% sequential growth after 42% in the third.
C23factmedium confidence
On 25 September 2026 four US senators introduced a bill barring InnoLight and Eoptolink transceivers from federal national security systems after a five-year transition; the Defense Department added InnoLight to its Chinese military companies list in June. A wider FCC rule against imports of new Chinese-made transceivers was reported as being drafted in August.
The betSpeculation
If it works
3.5×
from today's value, valued like the cheaper of its two rivals
If it fails
keep 14%
of today's market value: the rest of the company and Data center stalled at its lowest case, less debt
How we read the multiple
Buyers pay about 9 times last year's sales for the whole company, down from 13. AAOI reached a 20% profit margin once, in 2017; then sales fell 30% and it lost money on operations every year to 2025.
To earn 6% a year after tax on today's price, a common yardstick, AAOI must:
- Make about $396M a year of operating profit.
- Sell about $2.0B a year, keeping 20 cents of profit per dollar.
- That is 3.3 times last year's sales, below what its few analysts expect for 2027.
Against its own history. Far dearer than its own past, when it was a small loss-making supplier; the higher price is a bet on the new business, not something it has earned yet.
The evidence under this - 4 claims
C26estimatemedium confidence
At $67.51 on 23 October 2026 the market value is about $6.09B on about 90.26M shares (84.57M on 3 August plus the 5.69M sold in the finished August programme); adding $92.8M of bank debt and $125M of convertibles and taking off at most $1,096.8M of cash (the $508.8M held on 30 June plus the $588.0M raised, before any third-quarter spending) gives an enterprise value of at least $5.21B. That is at least 8.7 times trailing revenue of $596.0M and about 4.7 times the $1.1B 2026 guide.
sourceDaily closes to 23 October 2026 (FMP end-of-day prices)secondaryApplied Optoelectronics release, 'Announces Completion of…primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary
against this
- Cash has fallen since 30 June as capital spending continued, so the true enterprise value is higher and the multiple above 8.7.
- The 30 September version counted 84.57M shares and $508.8M of cash and so left out the August programme; on that basis $67.51 would read about 9.1 times, so the correction is small.
- 2026-10-26editedre-struck at the 23 October close after a 32% fall; shares and cash now include the August programme the 30 September version left out
C27estimatemedium confidence
For a 6% after-tax yield at 21% tax, an enterprise value of at least $5.21B needs about $396M of operating profit. At a 20% operating margin that is about $2.0B of revenue, 3.3 times the trailing year and 1.8 times the 2026 guide, but below the vendor panel's $2.96B for 2027.
against this
- A 6% yield is a judgement; at 5% the profit needed falls to about $330M.
- Management's mid-2027 monthly target annualises near $6B with cable, so the price assumes about a third of the plan.
- Management targets a 40% gross margin, which at that revenue could carry more than a 20% operating margin.
- The $2.0B is a floor: unspent cash is an upper bound and the share count excludes the convertibles and Amazon's warrant.
- 2026-10-26editedre-struck at the 23 October close; the revenue the price needs fell from about $3.1B to about $2.0B
C25facthigh confidence
AAOI earned an operating profit of $87.0M on $382.3M of revenue in 2017, a 22.7% margin. Revenue fell 30% to $267.5M in 2018 and the company reported an operating loss in every year from 2018 to 2025.
C35factmedium confidence
Against its two admitted filed competitors, Coherent and Lumentum, AAOI has the lowest trailing gross margin and the lowest operating margin of the three, while its enterprise value to sales sits between theirs.
Priced against its rivals
The competitors its own annual report names, each confirmed against the rival's filing. Measured on company value for each $1 of sales, cheapest first:
| Ticker | Company | company value for each $1 of sales |
|---|---|---|
| COHR | Coherent | 8.2× |
| AAOI | Applied Optoelectronics | 13.0× |
| LITE | Lumentum Holdings | 24.9× |
The middle of the other 2 is 16.5. Applied Optoelectronics, Inc. is 2nd cheapest of 3.
Rivals' figures come from a data provider, so read the spread of the group rather than any single pair.
In the middle of its named rivals on sales, but they make a profit and AAOI does not, so the middle place is not a bargain.
Also checked and set aside: Intel (a substitute, not the same product).
Private or foreign rivals that cannot be priced: InnoLight Technology (Suzhou) Ltd., Eoptolink Technology Inc., Ltd., Foxconn Interconnect Technology Ltd., Molex, LLC, Source Photonics, Inc., Mitsubishi Electric, Sumitomo Electric Industries, Ltd., ATX Networks.
The bet: what it pays if it works
This bet is on one business: data center, the optical modules AAOI sells to cloud and AI buyers. Cable equipment is counted separately, at the modest price listed cable-equipment makers fetch for each dollar of sales.
If data center reaches what its few analysts expect for 2027, valued like the cheaper of its two listed rivals, the stock is worth a little under three times today: a fair bet, not a cheap one. If data center stalls where it is, what is left is a small slice of today's price.
| Data center revenue in two to three years | Points of the leaders' combined 2025 sales needed | Valued like its peers | Like the cheapest |
|---|---|---|---|
| $307.88M | about 3 at 100% kept | 0.9× | 0.4× |
| $2.71B (the big win) | about 31 at 100% kept | 7.1× | 3.5× |
| $3.60B (market forecast) | about 41 at 100% kept | 9.4× | 4.7× |
| $4.87B | about 55 at 100% kept | 12.7× | 6.3× |
LightCounting's path puts Ethernet optical transceivers near $60B in 2029; at 6%, the share the 2027 consensus implies and two-thirds of planned capacity, AAOI's data center line earns $3.6B. Cable is counted in the core. On that forecast, $3.60B pays 4.7× from today's value: a Fair bet on the market case. Data center would be worth about $29.52B, 4.9× what the price pays for it.
To pay 2× (a Fair bet) it would need about $1.51B of Data center revenue (about 17 points of the leaders' combined 2025 sales); to pay 5× (a Cheap bet), about $3.84B of Data center revenue (about 44 points of the leaders' combined 2025 sales), at the same multiple.
Each row is Data center alone, plus the rest of the company (CATV) counted at about $318.66M.
The steps it has to take
- Done Amazon warrant signed and Amazon buying: $84.8M of warrant-customer revenue in the first half of 2026
- In progress Q3 2026 revenue at or above the $272.5M guide midpoint, with 800G revenue near five times Q2 due 2026-11-05
- In progress Shares outstanding still below 95 million at the end of 2026 due 2026-12-31
- In progress $70M-$80M of 1.6T modules delivered in Q4 2026 against the $200M-plus hyperscale order due 2027-02
- Not started Fourth-quarter 2026 revenue of $450M or more due 2027-02
- Not started A quarter of positive GAAP operating income due 2027-05
- Not started Data center revenue near management's $471M a month due 2027-08
- Not started Capacity of 930,000 800G and 1.6T units a month due 2027-12
The detail behind the label
Rating
Fair
the big win's payoff against the 2× and 5× lines
At their midpoint
7.1×
the same success, valued between the two
Cheap bet at about
≈ $59.21
28% below the price (close, )
The option
3.7×
what Data center is worth if it works, against what the price pays for it
Market case
4.7×
a fair bet if the market forecast holds
The evidence under this - 7 claims
C28factmedium confidence
The vendor's rating snapshot has 7 Buy, 6 Hold and 3 Sell; its dated series shows 50% positive of 6 analysts since May, down from 66.7% in January. Its revenue estimates are $1.049B for 2026 and $2.96B for 2027 from 3 analysts each, and $5.11B for 2028 from one.
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C10facthigh confidence
The 800G ramp has run behind what management said: 800G revenue was immaterial for a third straight quarter in Q3 2025; it came in below the $4M-$10M expected for Q4 2025 because of firmware work; and after expecting nearly four times the Q1 2026 quantity in Q2, 800G revenue rose from $4.6M to $12.8M.
C02facthigh confidence
2025 revenue was $455.7M, up 82.8% from $249.4M. CATV was $245.1M (53.8%) and data center $195.7M (42.9%); gross margin was 30.0%, the operating loss $54.6M and the net loss $38.2M.
C06facthigh confidence
Charter is moving its cable network to 1.8 GHz and DOCSIS 4.0 and says the process should be largely complete by the end of 2027; the same upgrade will let it extend fibre to the home on demand. Its upgrade and rebuild spending was $1,937M in 2025 against $1,771M in 2024, and it expects about $11.4B of total 2026 capital spending.
C44factmedium confidence
FMP on 2026-10-02 puts Vecima Networks, a listed seller of cable-access equipment, at 1.3 times company value to trailing sales, and Harmonic, whose Cable Access division sells to cable operators, at 2.1 times.
against this
Neither is a like-for-like amplifier seller: Harmonic also sells video software, Vecima also sells content delivery, and ATX Networks, AAOI's direct rival at Charter, is private.
C17facthigh confidence
At 30 June 2026 AAOI held $508.8M of cash including restricted cash, owed about $92.8M of bank loans and acceptances, and had $125M of 2.75% convertible notes due January 2030 converting at 23.0884 shares per $1,000, about $43.31 a share, far below the share price. Unused credit lines were $106.5M.
Where we disagree with the market
The market believes
A capacity-limited AI winner whose sales reach about $1.1B this year and roughly $3B next.
We believe
The demand is real, but AAOI ships late, pays for growth with new shares, and has held such a margin once.
The market is reading management's target, which runs well ahead of what has been delivered. The filings show orders that can be cancelled, a 12.5% rise in shares in five months, and 800G dates that keep slipping.
We are wrong if Q3 sales top $272.5M with 800G sales near $64M, and the company guides the fourth quarter to $450M or more.
What analysts say, and the evidence
Analysts positive
50%
of 6, 1 Sep
Four months earlier
50%
of 6, 1 May
The evidence under this - 6 claims
C28factmedium confidence
The vendor's rating snapshot has 7 Buy, 6 Hold and 3 Sell; its dated series shows 50% positive of 6 analysts since May, down from 66.7% in January. Its revenue estimates are $1.049B for 2026 and $2.96B for 2027 from 3 analysts each, and $5.11B for 2028 from one.
C12management claimmedium confidence
Management targets about $471M a month of data center transceiver revenue by mid-2027 (100G and 400G $90M, 800G $217M, 1.6T $164M), raised in May 2026 from $378M a month; capacity of over 650,000 800G and 1.6T units a month by end-2026 and 930,000 by end-2027; and over $325M a year of CATV revenue.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimaryFourth quarter 2025 earnings call transcriptprimary
against this
- Second-quarter data center revenue was about $36M a month, so the target is roughly thirteen times today's rate (C03).
- The company has no purchase commitment longer than one year with any customer (C18).
- Its record on 800G dates has slipped every quarter for a year (C10).
C10facthigh confidence
The 800G ramp has run behind what management said: 800G revenue was immaterial for a third straight quarter in Q3 2025; it came in below the $4M-$10M expected for Q4 2025 because of firmware work; and after expecting nearly four times the Q1 2026 quantity in Q2, 800G revenue rose from $4.6M to $12.8M.
C16facthigh confidence
Shares outstanding rose from 75,198,817 on 24 February 2026 to 84,569,237 on 3 August 2026, 12.5% in five months, after selling about 7.78M shares at the market between March and June. Diluted weighted shares were 81.6M in the second quarter against 56.8M a year earlier, the Q3 guide assumes 92.8M, and a third $600M at-the-market programme was signed on 21 August. On 5 October the company said it had completed that programme: 5,694,845 shares at an average $105.36, $588.0M net of commissions. Added to the 3 August count that is about 90.3M shares before any option or warrant exercise, 9.7M short of the 100M in the third invalidation criterion.
sourceForm 10-K for the year ended 31 December 2025primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary8-K of 21 August 2026: $600M equity distribution agreementprimaryApplied Optoelectronics release, 'Announces Completion of…primary
- 2026-10-06edited5 October release: the third at-the-market programme is complete, 5.69M shares at $105.36, $588.0M net; adds the pro forma share count against the 100M criterion
C18facthigh confidence
AAOI's own annual report says that 'in many cases our products are only minimally differentiated from those of our competitors' and that there is strong pricing pressure. It sells on short-term purchase orders that customers can reschedule or cancel at short notice, has no purchase commitment longer than one year with any customer, and calls its backlog no reliable guide to revenue.
C11management claimmedium confidence
Management guides third-quarter 2026 revenue of $255M-$290M, non-GAAP gross margin of 29%-30.5% and non-GAAP net income of $10.1M-$24.0M on about 92.8M diluted shares, and says 2026 revenue will be around $1.1B. With $343.1M in the first half and the Q3 midpoint of $272.5M, that implies a fourth quarter near $484M.
sourceSecond quarter 2026 results release (8-K Exhibit 99.1)primarySecond quarter 2026 earnings call transcriptprimary
against this
- The 2026 figure softened from 'over $1.1 billion' in May to 'around $1.1 billion' in August (C13).
- An analyst on the August call noted a push-out of this year's revenue into the fourth quarter, which management did not dispute.
- The fourth quarter would need about 78% sequential growth after 42% in the third.
What could go wrong, and how we would know
The risks
- A few customers. Ten customers are 99% of sales, and one cable distributor alone is over 40%.
- The cable boom ends. Charter says its network upgrade will be largely complete by the end of 2027.
- Bigger Chinese rivals. Eoptolink already supplies Amazon, the buyer AAOI's warrant is meant to win.
- Optics inside the switch. NVIDIA's built-in optics could replace plug-in modules on the switches that adopt them.
- More new shares. Each new factory has been paid for by selling shares, and another $600M programme is open.
- Made mostly in China. 57.5% of 2025 sales were made in China, while US policy turns against Chinese-made optics.
The evidence under this - 6 claims
C04facthigh confidence
Customers are concentrated: the top ten were 99% of second-quarter 2026 revenue. Digicomm, the exclusive distributor of AAOI's cable equipment, was 42.8% of first-half revenue and 67.2% of receivables, on longer-than-usual payment terms; two data center customers were 26% and 24% of the quarter. In 2025 Digicomm was 53.1% and Microsoft 28.8%.
C06facthigh confidence
Charter is moving its cable network to 1.8 GHz and DOCSIS 4.0 and says the process should be largely complete by the end of 2027; the same upgrade will let it extend fibre to the home on demand. Its upgrade and rebuild spending was $1,937M in 2025 against $1,771M in 2024, and it expects about $11.4B of total 2026 capital spending.
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C22factmedium confidence
NVIDIA sells switches with the optics built into the switch package, which it says replace pluggable transceivers with five times better power efficiency; it names Microsoft, Meta, Oracle, CoreWeave and Lambda as first adopters and says its Ethernet version has ramped to full production.
C16facthigh confidence
Shares outstanding rose from 75,198,817 on 24 February 2026 to 84,569,237 on 3 August 2026, 12.5% in five months, after selling about 7.78M shares at the market between March and June. Diluted weighted shares were 81.6M in the second quarter against 56.8M a year earlier, the Q3 guide assumes 92.8M, and a third $600M at-the-market programme was signed on 21 August. On 5 October the company said it had completed that programme: 5,694,845 shares at an average $105.36, $588.0M net of commissions. Added to the 3 August count that is about 90.3M shares before any option or warrant exercise, 9.7M short of the 100M in the third invalidation criterion.
sourceForm 10-K for the year ended 31 December 2025primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary8-K of 21 August 2026: $600M equity distribution agreementprimaryApplied Optoelectronics release, 'Announces Completion of…primary
- 2026-10-06edited5 October release: the third at-the-market programme is complete, 5.69M shares at $105.36, $588.0M net; adds the pro forma share count against the 100M criterion
C24facthigh confidence
In 2025, 57.5% of AAOI's revenue came from products made in China and 38.2% from Taiwan; 2,881 of its 4,691 employees were in China. It plans to shift output toward Texas and Taiwan, yet in September 2026 signed a ten-year lease on a 38,312 square-metre factory in Ningbo.
What we still do not know
- Who placed the $200M order for 1.6T modules, and how much of it could be moved or cancelled.
- What a module sells for, and what share of cloud purchases AAOI holds. Only a paid industry report says.
- How Charter splits its amplifier orders between AAOI and ATX, and when they stop.
- How many shares were sold under the August programme. The Q3 2026 filing will say.
The evidence under this - 4 claims
C33management claimmedium confidence
Management says it holds more than $200M of 1.6T orders from a long-standing hyperscale customer, expects to be its fourth qualified 1.6T supplier, and can deliver only about $70M-$80M of 1.6T in the fourth quarter because of chip supply, with the order finishing in 2027.
sourceSecond quarter 2026 earnings call transcriptprimaryFirst quarter 2026 earnings call transcriptprimary
against this
- In May the same order was due to be completed by the end of 2026 (S05).
- Purchase orders can be rescheduled or cancelled at short notice (C18).
- Being a fourth qualified supplier means three others already ship to the same buyer.
C21facthigh confidence
LightCounting, an industry research firm, ranks InnoLight first among transceiver suppliers with $5.3B of 2025 revenue, up 61%, and Eoptolink second with $3.5B, up 189%. It calls Eoptolink a key supplier of 400G and 800G optics to Amazon and says Molex also gained by supplying Amazon. It estimates the total transceiver market grew about 58% in 2025.
C07factmedium confidence
Trade press lists ATX Networks as Charter's other supplier of amplifiers and nodes for the upgrade, beside AAOI, and reports Charter's chief executive expecting the project to be half complete by the end of 2026.
C16facthigh confidence
Shares outstanding rose from 75,198,817 on 24 February 2026 to 84,569,237 on 3 August 2026, 12.5% in five months, after selling about 7.78M shares at the market between March and June. Diluted weighted shares were 81.6M in the second quarter against 56.8M a year earlier, the Q3 guide assumes 92.8M, and a third $600M at-the-market programme was signed on 21 August. On 5 October the company said it had completed that programme: 5,694,845 shares at an average $105.36, $588.0M net of commissions. Added to the 3 August count that is about 90.3M shares before any option or warrant exercise, 9.7M short of the 100M in the third invalidation criterion.
sourceForm 10-K for the year ended 31 December 2025primaryForm 10-Q for the quarter ended 30 June 2026primarySecond quarter 2026 results release (8-K Exhibit 99.1)primary8-K of 21 August 2026: $600M equity distribution agreementprimaryApplied Optoelectronics release, 'Announces Completion of…primary
- 2026-10-06edited5 October release: the third at-the-market programme is complete, 5.69M shares at $105.36, $588.0M net; adds the pro forma share count against the 100M criterion
What would change our view
- Unattractive→NeutralA cheaper price on an unchanged business
It needs:
- ○The company's total value falls to 8 times its last year of sales, from about 8.7, with the business unchanged.about ≈$61.72 today, 25% below the last close
- Unattractive→AttractiveThe ramp arrives on time and turns a profit
It needs all of:
- ○Fourth-quarter 2026 sales of $450M or more.checked at the next results, due by 5 Nov
- ○A quarter with a real operating profit, before any adjustments.checked at the next results, due by 5 Nov
- ○Fewer than 95 million shares at the end of 2026.checked at the next results, due by 5 Nov
We would also be wrong if
- Two cloud customers each grow past 10% of 2027 sales on the newest modules.
- Adjusted gross margin stays below 31% through Q2 2027.
- Cable sales fall below $60M a quarter in 2027 as Charter's upgrade winds down.
What is coming
- 5 November 2026 Q3 2026 results: Revenue against the $272.5M guide midpoint, 800G against five times Q2, how many shares the third at-the-market programme sold, and whether the Q4 guide keeps $1.1B.
Every dated event ahead
- 5 November 2026 Q3 2026 results: Revenue against the $272.5M guide midpoint, 800G against five times Q2, how many shares the third at-the-market programme sold, and whether the Q4 guide keeps $1.1B.
- February 2027 Q4 2026 results and the 2026 10-K: Whether the implied fourth quarter near $484M arrived, the first 1.6T revenue from the $200M order, and the 2027 capital spending plan and how it is funded.
- June 2027 Mid-2027 capacity and run-rate target: Whether data center revenue nears the $471M-a-month target from the Houston and Taiwan build-out, or capacity arrives without the orders.
- December 2027 Charter's 1.8 GHz upgrade largely complete: Whether cable revenue falls back as Charter finishes, or Mediacom and other operators replace it.
Since we wrote this
Written
1 Oct
Price the thesis read
$99.26
30 Sep
Latest close
$82.22
close, · -17.2% since
- 26 OctPrice moveShares fell 32%; the cheaper-price route has not yet been reachedP1 fired only because its 13.6 was carried from the wrong close; re-struck at 23 October with the finished share sale counted, the price is at least 8.7 times sales against the 8 times that moves the view.
- 6 OctNewsThird share sale finished: 5.69M shares, $588M raisedThe company completed its third at-the-market programme on 5 October, taking shares to about 90.3M, nearer the 100M line in our criteria.
- 5 OctThesis reviewThe bet now names what it ridesThe owner asked that every bet name the macro trend behind it, after BWXT's bet was missing its chief executive's case for nuclear over gas.
- 4 OctThesis reviewOwner's checklist: revenue streams, cost of growth, management, catalystsThe owner's checklist found the method silent on who runs the company, what growth costs, where the money comes from and what is dated ahead; this pass fills those four blocks from the proxy and filings.
- 1 OctThesis writtenUnattractive, medium convictionReal AI optics demand, but late deliveries, steady share sales and a price that already counts the 2027 plan.
Also checked 2 times with nothing new to act on.
Sources 33
Where this came from
Sources - 33
Every claim above cites one of these, or states the reasoning that derived it. The quote is frozen at the date it was read: a link can rot, and an agent fetch returns a reading of a page rather than the page. Backs counts the whole claim ledger, so it can name a claim this page does not surface.
- S01primarycompany filing2026-02-26products, sites, competitors, customer concentration, the Amazon warrant, backlog and pricing language, where revenue is made, headcount, risk factorsbacksC01C02C04C08C16C18C19C24C34C49C50
- S02primarycompany filing2026-08-06revenue by market, margins, cost drivers, cash flow, ATM sales table, share count, debt, Digicomm concentration, warrant revenuebacksC03C04C08C15C16C17C18C26C29C31C34C45C49C50
- S03primarycompany filing2026-08-06Q3 guidance, balance sheet, non-GAAP reconciliation including the tax linebacksC03C11C14C16C17C26C28C32
- S04primarytranscript2026-08-06Second quarter 2026 earnings call transcript800G and 400G revenue, capacity, the $1.1B year, the $471M monthly target, 1.6T order, margin path; analyst questions from Wolfe, Raymond James, Needham and Rosenblatt
800G revenue of $12.8 million or 11.9% of our total data center revenue increased more than 10x year over year and more than doubled sequentially in Q2. Looking ahead, expect revenue from our 800G products to grow by nearly 5x in the third quarter ... In total, this is about $471 million per month of data center transceiver revenue.
backsC04C08C09C10C11C12C13C14C15C17C19C20C32C33C34C41C42 - S05primarytranscript2026-05-07First quarter 2026 earnings call transcriptthe 'over $1.1 billion' and $140M operating profit guide, the raised $471M target, Q2 800G expectation
we expect continued strength in our 400G business, and we expect to ship nearly four times the quantity of 800G compared to our Q1 shipments.
backsC09C10C12C13C20C33 - S06primarytranscript2026-02-26Fourth quarter 2025 earnings call transcriptthe $378M monthly target for mid-2027, 800G shortfall against $4M-$10M, margin talk of 35%-38%
than offset our 800G revenue, which came in below our expectation of $4,000,000 to $10,000,000 due to the ongoing firmware optimizations I mentioned above.
backsC10C12C32 - S07primarycompany filing2026-02-26full-year GAAP and non-GAAP results and the Q1 2026 guidebacksC02
- S08primarytranscript2025-11-06Third quarter 2025 earnings call transcriptthird straight quarter of immaterial 800G revenue; the mid-2026 capacity target; the 4-inch wafer plan
For the third quarter in a row, we did record immaterial revenue for our 800G products related to deliveries for customer qualification activity.
backsC10C19C29 - S09primarycompany filing2026-08-21the third at-the-market share programmebacksC16
- S10primarycompany filing2026-09-15what the capacity build commits the company to, in Texas and in ChinabacksC24
- S12primarycompany filing2026-01-30the customer's own network evolution timetable, 1.8 GHz and DOCSIS 4.0, fibre on demand, upgrade capital spendingbacksC06
- S13primarycompany release2025-07-21AOI release on Charter certification of its 1.8 GHz amplifiers, as reposted by Digicomm Digicomm Internationalwho the cable equipment is sold to and through whom, with a Charter executive quoted
Charter has certified a mix of AOI's latest HFC networking solutions, spanning system amplifiers, line extenders, booster amplifiers, and software. ... AOI and Digicomm announced an exclusive distribution relationship in 2023 ... "These products will help us continue to deliver the capacity and speeds our customers expect."
backsC05 - S14primaryindustry data2026-05-31LightCounting, May 2026 Optical Vendor Landscape summary and TOP10 transceiver suppliers LightCountingthe supplier ranking, the leaders' revenue, the market growth estimate and who supplies Amazon
The company reported $5.3 billion in revenue for 2025 - up 61% and just above of our estimates of 58% growth in the total transceiver market last year. ... Eoptolink reached record revenues in 2024 at $1.2 billion and again in 2025 at $3.5 billion - up 175% and 189%, respectively. The company is a key supplier of 400G and 800G optics to Amazon ... Molex moved up the ranking also benefiting from supplying Amazon with 400G and 800G optical transceivers.
backsC21 - S15primaryother2026-10-01the attacker's own account of what it replaces and who has adopted it
Replacing pluggable transceivers with silicon photonics on the same package as the ASIC, NVIDIA CPO innovations provide 5x better power efficiency ... Design simplicity and power efficiency drives CoreWeave, Lambda, Meta, Microsoft, and Oracle Cloud Infrastructure as first adopters. ... Spectrum-X Ethernet Photonics Ramps to Full Production
backsC22 - S16primarygovernment data2026-09-25Senator McCormick press release: bill to keep Chinese transceivers out of US national security systems US Senate (Sen. McCormick)the scope and timing of the proposed restriction, which covers federal systems only
In June, the Department of War added major Chinese manufacturer InnoLight to its Section 1260H list of Chinese military companies ... The bill extends an existing federal procurement restriction for semiconductors to covered optical transceivers used in critical systems. It gives suppliers five years to develop compliant sources
backsC23 - S17secondarynews2026-05-31Light Reading: Charter's DOCSIS 4.0 suppliers and AOI's cable business (May 2025 and 2026 articles) Light Readingthe named rival amplifier supplier at Charter and the project's progress
Other suppliers known to be involved in Charter's network upgrade include Harmonic (vCMTS and D4.0 RPDs), ATX Networks (amps and nodes) and AOI (amps, line extenders and remote management software). Charter has largely completed phase I of its network upgrades and expects the project to be 50% complete by the end of 2026
backsC07 - S18secondaryvendor data2026-10-01Research pack, frozen at content/AAOI/research-pack.jsonprice, returns, decomposition, analyst panel and estimates, FINRA short interest, the competitors:filed cohortbacksC28C29C30C35
- S19primarycompany filing2026-09-17every insider sale, its plan flag and pricebacksC31
- S21primarycompany filing2026-02-26the 2017 peak and the losses sincebacksC25C49C50
- S22primarycompany filing2026-08-14a rival making its own lasers and transceivers for the same buyersbacksC35C39C40
- S23primarycompany filing2026-08-17a rival making its own lasers and transceivers for the same buyersbacksC35C40
- S24secondarynews2026-08-05the reported FCC import rule, not yet published
Reuters reported that U.S. officials are aiming to roll out import restrictions on Chinese-made optical modules within this year
backsC23 - S25primaryindustry data2026-09-30LightCounting newsletter - We Must Be at the Peak of This Super-cycle (Ethernet Optics report, September 2026) LightCountingthe analyst's 2025 and 2026 growth, the shape of the 2027-2031 path in its scenarios, and the warning that a flat or negative year interrupts every growth period; read through ir_fetch
Sales of Ethernet optical transceivers doubled in 2024 and increased by almost 90% in 2025. ... We now expect 120% growth in the Ethernet optical transceiver market for 2026, as shown in the figure below. Our detailed forecast for 2027-2031 is based on the “Soft Landing” scenario. ... Even in this scenario, we assume that the market growth rate will decline from 120% in 2026 to 76% in 2027 and 20% by 2031. ... growth periods of 2-3 years are interrupted by a flat or negative year. Most of the cycles are due to supply chain rebalancing, and we will see a similar situation in 2027-2030.
backsC37 - S26primaryindustry data2026-03-31the dollar size of the 2025 Ethernet optical transceiver market, the base the market case grows, and the analyst's warning of sharper price declines; read through ir_fetch
We now estimate sales of optical transceivers and related products at $23.8 billion in 2025, up 55% from 2024. ... Sales of Ethernet optical transceivers should be close to $18 billion in 2025 - up 70% from last year. ... Production capacity for optical chips and transceivers is catching up with the demand now, but this may lead to more competition among suppliers and sharper price declines by the end of 2026.
backsC36 - S27primaryindustry data2026-07-31LightCounting newsletter - The industry supply chain remains red hot (Cloud Data Center Optics report, July 2026) LightCountingthe analyst's dollar end-point for 2031 and its capex assumption behind it; read through ir_fetch
We now expect that sales of Ethernet optical transceivers will ramp by 73% in 2026, propelling the market to $80 billion by 2031, even with fairly conservative assumptions for growth in 2027 and beyond. ... our forecast assumes a significant moderation in the growth rate: from 70% in 2026 to 30% in 2027.
backsC36 - S28primaryindustry data2026-04-21a second analyst's unit count for 2025 high-speed modules and its view that 800G demand holds through 2027; it lists Applied Optoelectronics among the companies it tracks; read through ir_fetch
Over 42 million high speed (400G+) datacom modules shipped in 2025, up more than 80% over 2024, split between 400GbE and 800GbE. 800GbE shipments were the growth driver, and demand is not expected to slow through 2027 despite the introduction and adoption of 1.6TbE.
backsC38 - S29primaryindustry data2026-06-18Cignal AI press release - Datacom Optical Component Revenue Doubles to $7.7 Billion in 1Q26 Cignal AIthe first-quarter 2026 unit run rate, Innolight's lead in units, and 1.6T above 10 million units in 2026; read through ir_fetch
High-speed (400G+) datacom module shipments set a record; up 145% year-over-year. Innolight again topped the leaderboard in both Datacom revenue and high-speed module shipments, by a wide margin. Almost 20 million modules shipped in the quarter as AI build-outs accelerated. ... 1.6TbE module shipments grew 50% sequentially and will exceed 10 million units in 2026.
backsC38 - S30primarycompany filing2026-08-18the contract manufacturer's filed data center revenue for fiscal 2026 and 2025, and Amazon as a 10.5% customer of it in fiscal 2026backsC39
- S31secondaryvendor data2026-10-01FMP analyst-estimates (annual) and key-metrics-ttm for 300308.SZ, 300502.SZ, COHR, LITE and FN, fetched 2026-10-01 Financial Modeling Prepthe sell-side's revenue forecasts for the two Chinese leaders and the listed rivals' trailing and forward company-value-to-sales, through scripts/api/fmp.py
300308.SZ 2028-12-31 revenueAvg 312.29B CNY (10 analysts); 300502.SZ 2028-12-31 revenueAvg 137.72B CNY (8 analysts); COHR enterpriseValueTTM 64.69B, evToSalesTTM 9.09, 2029-06-30 revenueAvg 19.64B (6 analysts); LITE enterpriseValueTTM 80.78B, evToSalesTTM 26.80, 2029-06-27 revenueAvg 13.85B (9 analysts); USDCNY 6.6987
backsC40 - S32secondaryvendor data2026-10-02FMP key-metrics-ttm for HLIT and VCM.TO, fetched 2026-10-02 Financial Modeling Prepthe trailing company-value-to-sales of the two listed cable-access equipment sellers, through scripts/api/fmp.py
HLIT evToSalesTTM 2.1408, enterpriseValueTTM 1061342794; VCM.TO evToSalesTTM 1.2623, enterpriseValueTTM 379451230
backsC44 - S33primarycompany filing2026-04-24executive officers and their tenure, beneficial ownership as of 10 April 2026, the 2025 bonus goals and payout, the PSU and RSU designbacksC46C47C48
- S34primarycompany filing2026-10-05shares sold and net proceeds under the third at-the-market programmebacksC16C26
- S35secondaryvendor data2026-10-23Daily closes to 23 October 2026 (FMP end-of-day prices)the 23 October close of $67.51backsC26C27