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AAOI · Applied Optoelectronics, Inc. · Shareholders & Ownership

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$76.74 -1.46 (-1.87%) At close · Oct 20
Market Cap
$6.60B
Shares
84.57M
Volume · Oct 20 9.06M Avg daily vol (3M) 10.18M

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
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
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
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
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
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
Yeh Shu-Hua (Joshua)
Insider CIK 1587600 · Oct 5, 2026
*** See Remarks, issuer-wide
371,498
31
Murry Stefan J.
Insider CIK 1587599 · Oct 12, 2026
Chief Financial Officer, issuer-wide
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
Lin Che-Wei
Insider CIK 1601346 · Jun 9, 2026
Director, issuer-wide
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
Chang Hung-Lun (Fred)
Insider CIK 1587462 · Sep 8, 2026
*** See Remarks, issuer-wide
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
Yeh William H
Insider CIK 1587419 · Jun 9, 2026
Director, issuer-wide
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.

Showing 1–50 of 629 holders

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Key facts CIK 1158114 CUSIP 03823U102 13F (30d) 50 filings 46 filers Visit website Investor relations