Applied OptoelectronicsAAOI

13F holders, Q1 2026 (March 31)
376holders +156
182new positions
30sold out
9famous investors
$84.55avg. 13F price*

At the end of Q1 2026, 376 institutions reported holding Applied Optoelectronics Inc. (AAOI) in their 13F filings, up 156 from Q4 2025. 182 opened new positions and 30 sold out. The largest holders were BlackRock, Inc. ($608.4M), Vanguard Capital Management LLC ($259.0M) and Oberweis Asset Management Inc./ ($198.8M). 9 famous investors held it, including Paul Tudor Jones (0.2% of Tudor Investment Corporation's portfolio), David E. Shaw (0.2% of D. E. Shaw & Co.'s portfolio) and Ray Dalio (0.1% of Bridgewater Associates's portfolio).

Company
Applied Optoelectronics Inc.
CUSIP
03823U102
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400500 Q1 2024: 119Q1 2024Q2 2024: 134Q2 2024Q3 2024: 140Q3 2024Q4 2024: 156Q4 2024Q1 2025: 147Q1 2025Q2 2025: 146Q2 2025Q3 2025: 180Q3 2025Q4 2025: 220Q4 2025Q1 2026: 376Q1 2026Q2 2026: 482Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions182$575.7M
Exits30$84.1M

All 13F filers, Q4 2025 → Q1 2026: 15,519,122 shares bought and 10,841,557 shares sold, net +4,677,565 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 376 holders

BlackRock, Inc. 0.01% Add +35.5% 7,192,329 $608.4M
Vanguard Capital Management LLC 0.01% — 3,061,522 $259.0M
Oberweis Asset Management Inc./ 5.87% Add +15.2% 2,349,969 $198.8M
Jane Street Group, LLC 0.21% Add +35.4% 2,279,318 $192.8M
D. E. Shaw & Co. 0.15% Add +54.9% 2,117,157 $179.1M
Invesco Ltd. 0.02% Reduce -42.6% 2,014,405 $170.4M
Vanguard Portfolio Management LLC 0.01% — 1,801,883 $152.4M
T. Rowe Price Associates Inc. 0.02% Reduce -22.3% 1,732,381 $146.5M
State Street Corp. 0.00% Add +2.4% 1,644,293 $139.1M
Geode Capital Management, LLC 0.01% Add +7.2% 1,621,305 $137.2M
Hood River Capital Management LLC 1.08% Reduce -0.0% 1,275,519 $107.9M
Value Aligned Research Advisors, LLC 1.27% New 1,267,938 $107.3M
JPMorgan Chase & Co. 0.01% Add +1903.3% 1,111,132 $94.7M
Goldman Sachs Group Inc. 0.01% Add +12.1% 1,084,764 $91.8M
UBS Group AG 0.01% Add +2.1% 970,744 $82.1M
Raymond James Financial Inc. 0.02% Add +93.5% 733,696 $62.2M
Morgan Stanley 0.00% Reduce -57.2% 727,566 $61.5M
T. Rowe Price Investment Management, Inc. 0.04% New 643,145 $54.4M
Driehaus Capital Management LLC 0.39% Add +24.6% 632,337 $53.5M
Northern Trust Corp. 0.01% Add +10.7% 583,494 $49.4M
Renaissance Technologies 0.07% New 565,279 $47.8M
Charles Schwab Investment Management Inc. 0.01% Add +0.7% 532,228 $45.0M
Neuberger Berman Group LLC 0.03% New 517,341 $44.0M
Squarepoint Ops LLC 0.09% Add +156.7% 495,798 $41.9M
Balyasny Asset Management L.P. 0.08% Add +181.8% 468,870 $39.7M
Gilder Gagnon Howe & Co. LLC 0.46% Reduce -4.1% 455,375 $38.5M
Vanguard Fiduciary Trust Co. 0.01% — 447,682 $37.9M
Tudor Investment Corporation 0.20% Add +365.4% 442,781 $37.5M
Emerald Advisers, LLC 1.16% Reduce -35.3% 433,882 $36.7M
Citadel Advisors 0.03% Reduce -23.6% 421,003 $35.6M
Nuveen, LLC 0.01% Add +69.7% 382,371 $32.3M
Focus Partners Wealth 0.04% Add +1950.7% 379,062 $32.1M
Two Sigma Investments, LP 0.02% Add +29.4% 341,182 $28.9M
Artemis Investment Management LLP 0.31% Reduce -56.0% 340,148 $28.8M
Next Century Growth Investors LLC 1.97% Reduce -31.1% 320,731 $27.1M
Dimensional Fund Advisors LP 0.01% Reduce -25.9% 309,894 $26.2M
Marex Group Ltd 0.25% New 289,167 $24.5M
Frontier Capital Management Co. LLC 0.25% New 284,146 $24.0M
Kennedy Capital Management LLC 0.50% Reduce -37.6% 279,144 $23.6M
Ameriprise Financial Inc. 0.01% Add +396.4% 274,123 $23.2M
Steward Partners Investment Advisory, LLC 0.12% Reduce -25.8% 271,989 $23.0M
Emerald Mutual Fund Advisers Trust 1.12% Reduce -31.9% 271,760 $23.0M
Point72 Asset Management 0.04% New 265,543 $22.5M
Wellington Management Group LLP 0.00% New 257,708 $21.8M
Bank of America Corp. 0.00% Reduce -26.1% 240,886 $20.4M
Voya Investment Management LLC 0.02% Add +2185.3% 240,710 $20.4M
Bridgewater Associates 0.08% New 223,935 $18.9M
Royce & Associates LP 0.18% Reduce -71.4% 221,084 $18.7M
First Trust Advisors LP 0.01% Reduce -10.6% 216,265 $18.3M
SG Americas Securities, LLC 0.02% Add +129.8% 195,908 $16.6M
Marshall Wace, LLP 0.02% Add +195.1% 179,422 $15.2M
CloudAlpha Capital Management Limited/Hong Kong 1.65% New 177,410 $15.0M
Penn Capital Management Company, LLC 1.16% Reduce -60.4% 176,453 $14.9M
Bank of New York Mellon Corp 0.00% Add +5.4% 170,958 $14.5M
Anther Capital Ltd 0.38% — 170,488 $14.4M
Sei Investments Co. 0.01% Add +28.5% 158,871 $13.4M
HRT Financial LP 0.03% Add +194.5% 158,840 $13.4M
New York State Common Retirement Fund 0.02% Reduce -49.7% 158,403 $13.4M
Citigroup Inc. 0.01% Add +909.6% 150,326 $12.7M
Silvercrest Asset Management Group LLC 0.09% Reduce -45.3% 145,748 $12.3M
Verition Fund Management LLC 0.12% Add +61.5% 141,020 $11.9M
Group One Trading LLC 0.38% Reduce -15.4% 135,972 $11.5M
Andar Capital Management HK Ltd 9.69% New 134,000 $11.3M
Swiss National Bank 0.01% Add +9.8% 128,300 $10.9M
Royal Bank of Canada 0.00% Add +2075.3% 127,971 $10.8M
1492 Capital Management LLC 4.03% Reduce -42.1% 125,136 $10.6M
IMC-Chicago, LLC 0.14% Reduce -45.4% 110,916 $9.4M
Algert Global LLC 0.14% Add +29.9% 106,635 $9.0M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +12.8% 105,476 $8.9M
Ariose Capital Management Ltd 5.91% New 104,000 $8.8M
Rice Hall James & Associates, LLC 0.46% Reduce -42.7% 98,318 $8.3M
Millennium Management 0.01% Add +838.9% 96,408 $8.2M
CenterBook Partners LP 0.44% Add +212.6% 96,322 $8.1M
Axiom Investors LLC 0.09% New 95,015 $8.0M
Barclays PLC 0.00% Reduce -59.8% 94,743 $8.0M
Commonwealth Equity Services, LLC 0.01% Add +10.8% 89,669 $7.6M
Susquehanna International Group, LLP 0.01% Reduce -73.6% 86,973 $7.4M
Rhumbline Advisers 0.01% Add +14.2% 81,184 $6.9M
Picton Mahoney Asset Management 0.07% New 80,080 $6.8M
Zweig-DiMenna Associates LLC 0.95% Add +2.0% 80,050 $6.8M
Jain Global LLC 0.09% Reduce -21.9% 78,640 $6.7M
Man Group plc 0.01% New 74,699 $6.3M
Thames Capital Management LLC 1.13% New 74,334 $6.3M
Sphera Funds Management LTD. 1.07% New 73,400 $6.2M
California State Teachers Retirement System 0.01% Add +23.2% 70,464 $6.0M
Franklin Resources Inc. 0.00% Add +590.0% 69,363 $5.9M
UNICOM Systems, Inc. 0.59% New 68,591 $5.8M
Deutsche Bank AG 0.00% Add +20.9% 66,521 $5.6M
Shellback Capital, LP 0.78% New 65,000 $5.5M
Legal & General Group Plc 0.00% Reduce -7.1% 64,798 $5.5M
Caitong International Asset Management Co., Ltd 0.96% Add +55.4% 61,323 $5.2M
Global Trust Asset Management, LLC 1.93% Add +114.2% 59,562 $5.0M
Scalar Gauge Management, LLC 4.84% Reduce -56.7% 59,301 $5.0M
Emerald Investment Advisers, LLC 0.44% — 58,075 $4.9M
Virtu Financial LLC 0.20% Add +8.5% 56,882 $4.8M
Jump Financial, LLC 0.08% Add +542.7% 56,393 $4.8M
Lord, Abbett & Co. LLC 0.02% New 54,604 $4.6M
Allspring Global Investments Holdings, LLC 0.01% Reduce -63.7% 52,539 $4.5M
Nicholas Investment Partners, LP 0.37% New 52,988 $4.5M
Victory Capital Management Inc. 0.00% Add +595.8% 51,634 $4.4M

"% of holder's portfolio" is AAOI's weight in each manager's 13F, not the share of Applied Optoelectronics Inc. the manager owns.

Show all 376 holders