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Nasdaq · Technology

APPLIED OPTOELECTRONICS, INC. (AAOI)

As-reported financials and SEC filings for APPLIED OPTOELECTRONICS, INC. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About APPLIED OPTOELECTRONICS, INC.

Applied Optoelectronics, Inc. develops and manufactures fiber optic networking products. The company provides optical components and modules used in telecommunications, data center, and cable TV networks. It serves customers in the communications and data transmission industries.

Snapshot

Revenue
$455.7M
Revenue growth (YoY)
82.8%
Net income
$-38.2M
Diluted EPS
$-0.64
Gross margin
30.0%
Operating margin
-12.0%
Net margin
-8.4%
FCF margin
-77.6%
ROE
-5.2%
net income / fiscal-year-end equity
P/E
trailing when available, otherwise FY EPS
Market cap
$9.02B
Long-term debt / equity
0.00×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Applied Optoelectronics

  • Revenue grew 82.8% to $456M in FY2025, faster than the 14.6% the year before.
  • Operating margin is -12.0% in FY2025, +14.8 pp against -26.8% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $192M, up 86.4% from Q2 FY2025.
  • Free cash flow was negative $354M in FY2025.
  • Net loss narrowed to $38M in FY2025, from $187M in FY2024.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Applied Optoelectronics’s fundamentals sit among the 88 semiconductor companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin30.0%
29th percentile of 78
Operating margin-12.0%
27th percentile of 79
Net margin-8.4%
27th percentile of 80
FCF margin-77.6%
Lowest of 78
Revenue growth (YoY)+82.8%
91st percentile of 88
ROE-5.2%
32nd percentile of 74
Long-term debt / equity0.00×
1st percentile of 44
Short interest1.00d
1st percentile of 88

Applied Optoelectronics’s FCF margin of -77.6% is the lowest of the 78 semiconductor companies reporting it. Applied Optoelectronics’s long-term debt to equity of 0.00 ranks in the 1st percentile of the 44 semiconductor companies reporting it. Applied Optoelectronics’s revenue growth of +82.8% ranks in the 91st percentile of the 88 semiconductor companies reporting it.

No reported insider purchases (code P) in the last 90 days; 16 insider sales totaling $44.8M. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among industry peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 2 of the superinvestors we track (plus 5 quant / multi-strat books), based on each investor’s most recent 13F; periods vary by investor (newest: Q2 2026).

Conviction investors
2
+5 quant / multi-strat
Initiated / added
3
0 new, 3 added
Reduced / exited
7
4 trimmed, 3 exited
Combined position
$49.7M
reported long value
InvestorAs ofPosition valueSharesChange
Millennium ManagementquantQ2 2026$18.7M126.3KAdded
Citadel AdvisorsquantQ2 2026$10.8M72.8KReduced
AQR Capital ManagementquantQ2 2026$7.3M49.5KAdded
D. E. ShawquantQ2 2026$6.1M41.1KReduced
Two Sigma InvestmentsquantQ2 2026$3.3M22.1KReduced
Polen Capital ManagementQ2 2026$2.9M19.3KAdded
Maverick CapitalQ2 2026$620,4944.2KReduced

No longer held by: Bridgewater Associates (as of Q2 2026), Point72 Asset Management (as of Q2 2026), Renaissance Technologies (as of Q2 2026)

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Recent insider activity

Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.

Buys (90d)
0
code P
Bought (90d)
code P value
Sells (90d)
16
$44.8M
Reported activity
Net selling
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-08-18
filed 2026-08-20
Yeh Shu-Hua (Joshua)*** See RemarksSell6.0K$147.73$886K
2026-08-10
filed 2026-08-12
Murry Stefan J.Chief Financial OfficerSell4.0K$144.79$579K
2026-08-04
Yeh Shu-Hua (Joshua)*** See RemarksSell4.7K$126.50$596K
2026-07-21
filed 2026-07-23
Yeh Shu-Hua (Joshua)*** See RemarksSell1.3K$120.02$154K
2026-07-10
filed 2026-07-14
Murry Stefan J.Chief Financial OfficerSell4.0K$122.09$488K
2026-06-18
Yeh Shu-Hua (Joshua)*** See RemarksSell6.0K$171.89$1.0M
2026-06-17
filed 2026-06-18
Chang Hung-Lun (Fred)*** See RemarksSell40.3K$170.60$6.9M
2026-06-12
filed 2026-06-16
Lin Chih-Hsiang (Thompson)President and CEOSell59.0K$166.53$9.8M
2026-06-12
filed 2026-06-16
Chang Hung-Lun (Fred)*** See RemarksSell34.0K$166.53$5.7M
2026-06-12
filed 2026-06-16
Murry Stefan J.Chief Financial OfficerSell33.0K$166.53$5.5M
2026-06-12
filed 2026-06-16
Kuo David C*** See RemarksSell29.2K$166.53$4.9M
2026-06-12
filed 2026-06-16
Yeh Shu-Hua (Joshua)*** See RemarksSell28.8K$166.53$4.8M

Reported non-derivative purchases and sales (codes P/S) — which may be open-market or private; excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
10.4M
settled 2026-08-14
Change vs prior
-0.1%
vs previous settlement
Days to cover
1.00
at avg daily volume
Avg daily volume
15.1M
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-1410.4M-0.1%1.00
2026-07-3110.4M+5.0%1.20
2026-07-159.9M-7.6%1.14
2026-06-3010.8M+5.1%1.00
2026-06-1510.2M+2.0%1.00
2026-05-2910.0M+7.5%1.00
2026-05-159.3M-7.9%1.00
2026-04-3010.1M0.0%1.10

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$455.7M$249.4M$217.6M$222.8M$211.6M
Gross profit$136.9M$61.8M$58.9M$33.6M$37.7M
Operating income$-54.6M$-70.9M$-41.3M$-59.0M$-56.8M
Net income$-38.2M$-186.7M$-56.0M$-66.4M$-54.2M
Diluted EPS$-0.64$-4.50$-1.75$-2.38$-2.01

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Balance sheet (as reported)

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$-174.4M$-69.5M$-7.9M$-14.0M$-11.6M
Capital expenditure$179.1M$43.4M$9.1M$3.2M$8.0M
Free cash flow$-353.6M$-112.9M$-17.0M$-17.2M$-19.6M

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$191.9M86.4%$-22.8M$-0.28
Q1 FY2026$151.1M51.4%$-14.3M$-0.19
Q4 FY2025$134.3M33.9%$-2.0M$-0.03
Q3 FY2025$118.6M82.1%$-17.9M$-0.28
Q2 FY2025$103.0M137.9%$-9.1M$-0.16
Q1 FY2025$99.9M145.5%$-9.2M$-0.18
Q4 FY2024$100.3M65.9%$-119.7M$-2.60
Q3 FY2024$65.2M4.2%$-17.8M$-0.42

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNasdaq
SectorTechnology
SIC industrySemiconductors & Related Devices
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2017
SEC CIK1158114

Selected SEC filings

10-Q2026-08-06
View on EDGAR →
8-K2026-09-01
View on EDGAR →
8-K2026-08-24
View on EDGAR →
8-K2026-08-21
View on EDGAR →
8-K2026-08-06
View on EDGAR →

Largest semiconductor peers

All semiconductor stocksAll Technology companies →

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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.