Applied OptoelectronicsAAOI
13F holders, Q1 2026 (March 31)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
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 182 | $575.7M |
| Exits | 30 | $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.