AAOI · Applied Optoelectronics, Inc. · Shareholders & Ownership
Every disclosed holder of AAOI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns AAOI
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 51,080,213 | 60.40% |
| Insiders (Forms 3, 4, 5) | 4,158,492 | 4.92% |
| 13D/G-only blocks | 0 | 0.00% |
| Remaining | 29,330,532 | 34.68% |
| Registered funds (N-PORT, not summed) | 20,330,117 | 24.04% |
Shares outstanding: 84,569,237, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of AAOI
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,450,270 | ||
| 1.1 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
4,342,797 | ||
| 1.2 |
iShares A.I. Innovation and Tech Active ETF
Fund
S000086268 · Registered fund · Jul 31, 2026
BlackRock ETF Trust, not summed
|
1,585,258 | ||
| 1.3 |
iShares Russell Mid-Cap Growth ETF
Fund
S000004336 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
455,790 | ||
| 1.4 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
316,843 | ||
| 1.5 |
iShares Russell 1000 Growth ETF
Fund
S000004346 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
294,650 | ||
| 2 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,414,262 | ||
| 2.1 |
Invesco Small Cap Value Fund
Fund
S000027837 · Registered fund · Jul 31, 2026
AIM Sector Funds (Invesco Sector Funds), not summed
|
1,369,547 | ||
| 2.2 |
Invesco Value Opportunities Fund
Fund
S000027840 · Registered fund · Jul 31, 2026
AIM Sector Funds (Invesco Sector Funds), not summed
|
1,099,832 | ||
| 2.3 |
Invesco Dorsey Wright Technology Momentum ETF
Fund
S000013110 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
181,525 | ||
| 2.4 |
Invesco Small Cap Growth Fund
Fund
S000000476 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
|
122,010 | ||
| 2.5 |
Invesco V.I. American Value Fund
Fund
S000027881 · Registered fund · Jun 30, 2026
AIM Variable Insurance Funds (Invesco Variable Insurance Funds), not summed
|
54,845 | ||
| 3 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,363,001 | ||
| 4 |
Marex Group plc
13F
CIK 1997464 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,830,272 | ||
| 5 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,651,718 | ||
| 6 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,420,119 | ||
| 7 |
|
2,111,464 | ||
| 8 |
Lin Chih-Hsiang (Thompson)
Insider
CIK 1587420 · Jul 31, 2026
Director, President and CEO, issuer-wide
|
2,103,649 | ||
| 9 |
OBERWEIS ASSET MANAGEMENT INC/
13F
CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,791,127 | ||
| 9.1 |
Oberweis Small-Cap Opportunities Fund
Fund
S000010232 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
1,071,126 | ||
| 9.2 |
Oberweis Micro-Cap Fund
Fund
S000010231 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
528,758 | ||
| 9.3 |
Oberweis Global Opportunities Fund
Fund
S000010230 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
15,800 | ||
| 10 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,670,936 | ||
| 11 |
Value Aligned Research Advisors, LLC
13F
CIK 1963565 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,595,124 | ||
| 12 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,586,453 | ||
| 12.1 |
Goldman Sachs Small Cap Growth Fund
Fund
S000061413 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
27,042 | ||
| 12.2 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
2,890 | ||
| 12.3 |
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund
S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
|
2,449 | ||
| 12.4 |
Multi-Manager U.S. Small Cap Equity Fund
Fund
S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
|
1,432 | ||
| 12.5 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
296 | ||
| 13 |
|
1,497,617 | ||
| 13.1 |
State Street(R) SPDR(R) S&P(R) Telecom ETF
Fund
S000012323 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
122,930 | ||
| 13.2 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
26,600 | ||
| 13.3 |
State Street(R) SPDR(R) FactSet Innovative Technology ETF
Fund
S000051577 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
20,362 | ||
| 13.4 |
State Street Institutional Small-Cap Equity Fund
Fund
S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
|
1,960 | ||
| 13.5 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
1,865 | ||
| 14 |
Hood River Capital Management LLC
13F
CIK 1578177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,392,510 | ||
| 14.1 |
Hood River Small-Cap Growth Fund
Fund
S000012813 · Registered fund · Jun 30, 2026
Manager Directed Portfolios, not summed
|
810,940 | ||
| 14.2 |
Hood River New Opportunities Fund
Fund
S000086255 · Registered fund · Jun 30, 2026
Manager Directed Portfolios, not summed
|
52,680 | ||
| 15 |
Clear Street Group Inc.
13F
CIK 1881567 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,231,143 | ||
| 16 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,115,138 | ||
| 16.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
96 | ||
| 17 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,068,246 | ||
| 18 |
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund
S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
|
984,501 | ||
| 19 |
FRONTIER CAPITAL MANAGEMENT CO LLC
13F
CIK 351173 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
975,318 | ||
| 20 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
874,426 | ||
| 21 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
865,098 | ||
| 22 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
CIK 1446194 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
648,986 | ||
| 23 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
563,557 | ||
| 23.1 |
JANE STREET GROUP, LLC
13G
CIK 1595888 · Unknown · Jun 30, 2026
Rule 13d-1(c), passive investor, not summed
|
1,952,757 | ||
| 24 |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
504,202 | ||
| 24.1 |
William Blair Small-Mid Cap Growth Fund
Fund
S000008603 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
|
64,700 | ||
| 24.2 |
William Blair Small-Mid Cap Core Fund
Fund
S000066499 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
|
11,901 | ||
| 25 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
504,079 | ||
| 26 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
488,922 | ||
| 27 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
476,027 | ||
| 27.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
308,239 | ||
| 27.2 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
45,795 | ||
| 27.3 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
37,759 | ||
| 27.4 |
Schwab U.S. Mid-Cap Index Fund
Fund
S000059733 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
15,558 | ||
| 27.5 |
Schwab U.S. Large-Cap Growth Index Fund
Fund
S000059731 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
11,500 | ||
| 28 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
417,720 | ||
| 28.1 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
2,686 | ||
| 29 |
Capula Management Ltd
13F
CIK 1557017 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
380,749 | ||
| 30 |
|
371,498 | ||
| 31 |
|
363,168 | ||
| 32 |
GILDER GAGNON HOWE & CO LLC
13F
CIK 902464 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
343,014 | ||
| 33 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
339,578 | ||
| 34 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
309,932 | ||
| 34.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
125,632 | ||
| 34.2 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
81,647 | ||
| 34.3 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
29,850 | ||
| 34.4 |
Dimensional U.S. Equity Market ETF
Fund
S000070902 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
22,468 | ||
| 34.5 |
Dimensional US Core Equity Market ETF
Fund
S000069432 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
6,159 | ||
| 35 |
Focus Partners Wealth
13F
CIK 1542153 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
286,179 | ||
| 36 |
Steward Partners Investment Advisory, LLC
13F
CIK 1723397 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
270,751 | ||
| 37 |
|
254,672 | ||
| 38 |
BNP PARIBAS ARBITRAGE, SA
13F
CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
252,013 | ||
| 39 |
WESTFIELD CAPITAL MANAGEMENT CO LP
13F
CIK 1177719 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
249,553 | ||
| 40 |
|
249,276 | ||
| 41 |
WELLINGTON MANAGEMENT GROUP LLP
13F
CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
244,081 | ||
| 42 |
VICTORY CAPITAL MANAGEMENT INC
13F
CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
243,197 | ||
| 42.1 |
Victory Pioneer Select Mid Cap Growth Fund
Fund
S000089755 · Registered fund · May 31, 2026
Victory Portfolios IV, not summed
|
209,256 | ||
| 42.2 |
Victory Pioneer Select Mid Cap Growth VCT Portfolio
Fund
S000089715 · Registered fund · Jun 30, 2026
Victory Variable Insurance Funds II, not summed
|
13,316 | ||
| 42.3 |
Victory Extended Market Index Fund
Fund
S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
|
8,719 | ||
| 43 |
NEUBERGER BERMAN GROUP LLC
13F
CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
242,612 | ||
| 43.1 |
Neuberger Small Cap Growth Fund
Fund
S000007839 · Registered fund · May 31, 2026
NEUBERGER BERMAN EQUITY FUNDS, not summed
|
29,992 | ||
| 44 |
|
239,985 | ||
| 45 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
235,127 | ||
| 45.1 |
Carillon Eagle Small Cap Growth Fund
Fund
S000008482 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
|
35,357 | ||
| 46 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
227,539 | ||
| 47 |
IMC-Chicago, LLC
13F
CIK 1452861 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
223,442 | ||
| 48 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
219,812 | ||
| 48.1 |
BNY Mellon US Mid Cap Core Equity ETF
Fund
S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
11,657 | ||
| 49 |
EMERALD ADVISERS, LLC
13F
CIK 1015083 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
211,574 | ||
| 50 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
211,480 | ||
| 50.1 |
Variable Portfolio - Partners Small Cap Growth Fund
Fund
S000028697 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
|
12,744 | ||
| 50.2 |
Multi-Manager Large Cap Growth Strategies Fund
Fund
S000091548 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS SERIES TRUST I, not summed
|
12,002 | ||
| 50.3 |
Columbia Variable Portfolio - Small Company Growth Fund
Fund
S000010658 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE INSURANCE TRUST, not summed
|
9,493 | ||
| 50.4 |
Columbia Integrated Small Cap Growth Fund
Fund
S000074122 · Registered fund · May 31, 2026
Columbia Funds Series Trust II, not summed
|
490 |
29 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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