APPLIED OPTOELECTRONICS, INC. hedge fund holdings
AAOINASDAQ$115.59+8.27 (+7.71% today)
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
AAOI · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+313.1%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 89 | 58 | $282M | $226M | 138 | Aug 14, 2025 |
| Q3 2025 | 96 | 54 | $331M | $186M | 166 | Nov 14, 2025 |
| Q4 2025 | 123 | 55 | $627M | $319M | 207 | Feb 14, 2026 |
| Q1 2026 | 234 | 96 | $1.27B | $904M | 358 | May 15, 2026 |
| Q2 2026 | 259 | 182 | $2.13B | $2.26B | 454 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
454 filersNew position
143$522M+3.52M sh
Increased
116$1.6B+10.8M sh
Reduced
127-$1.82B-12.3M sh
Out / sold
55-$444M-3M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Frontier Capital Management Co LLC | Added 243.25% | +$102M | $145M | 1.35% | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Reduce 90.81% | -$86.5M | $8.76M | 0.01% | Aug 14, 2026 |
| Oberweis Asset Management Inc/ | Reduce 23.78% | -$82.8M | $265M | 5.48% | Aug 14, 2026 |
| William Blair Investment Management, LLC | New Buy | +$74.7M | $74.7M | 0.22% | Aug 12, 2026 |
| Driehaus Capital Management LLC | Reduce 77.95% | -$73M | $20.7M | 0.12% | Aug 14, 2026 |
| Value Aligned Research Advisors, LLC | Added 25.80% | +$48.5M | $236M | 0.59% | Aug 17, 2026 |
| Next Century Growth Investors LLC | Reduce 84.41% | -$40.1M | $7.41M | 0.39% | Aug 14, 2026 |
| Westfield Capital Management Co LP | New Buy | +$37M | $37M | 0.12% | Aug 12, 2026 |
| Emerald Advisers, LLC | Reduce 51.24% | -$32.9M | $31.3M | 0.74% | Aug 5, 2026 |
| Artemis Investment Management LLP | Sell 100% | -$28.8M | $0 | 0.00% | Jul 23, 2026 |
| Canada Pension Plan Investment Board | New Buy | +$27.9M | $27.9M | 0.02% | Aug 14, 2026 |
| Weiss Asset Management LP | New Buy | +$22.5M | $22.5M | 0.24% | Aug 14, 2026 |
| Kennedy Capital Management LLC | Reduce 48.77% | -$20.2M | $21.2M | 0.38% | Aug 14, 2026 |
| Emerald Mutual Fund Advisers Trust | Reduce 49.60% | -$20M | $20.3M | 0.71% | Aug 5, 2026 |
| Bridgewater Associates, LP | Sell 100% | -$18.9M | $0 | 0.00% | Aug 14, 2026 |
| Oak Grove Capital LLC | Added 329.55% | +$18.1M | $23.6M | 1.12% | Aug 13, 2026 |
| Hood River Capital Management LLC | Added 9.17% | +$17.3M | $206M | 1.50% | Aug 14, 2026 |
| IMC-Chicago, LLC | Added 101.45% | +$16.7M | $33.1M | 0.01% | Aug 6, 2026 |
| Gilder Gagnon Howe & Co LLC | Reduce 24.67% | -$16.6M | $50.8M | 0.52% | Aug 14, 2026 |
| Fred Alger Management, LLC | New Buy | +$15.1M | $15.1M | 0.05% | Aug 14, 2026 |
| CloudAlpha Capital Management Limited/Hong Kong | Sell 100% | -$15M | $0 | 0.00% | Aug 10, 2026 |
| Penn Capital Management Company, LLC | Sell 100% | -$14.9M | $0 | 0.00% | Jul 30, 2026 |
| Anther Capital Ltd | Sell 100% | -$14.4M | $0 | 0.00% | Aug 13, 2026 |
| First Trust Advisors LP | Reduce 40.00% | -$12.8M | $19.2M | 0.01% | Aug 11, 2026 |
| UNICOM Systems, Inc. | Added 122.31% | +$12.4M | $22.6M | 1.47% | Jul 8, 2026 |
| Andar Capital Management HK Ltd | Sell 100% | -$11.3M | $0 | 0.00% | Aug 7, 2026 |
| Picton Mahoney Asset Management | Reduce 95.41% | -$11.3M | $544K | 0.00% | Aug 13, 2026 |
| Jain Global LLC | Added 85.58% | +$9.97M | $21.6M | 0.09% | Aug 14, 2026 |
| Shellback Capital, LP | Added 101.54% | +$9.78M | $19.4M | 1.70% | Aug 14, 2026 |
| Ariose Capital Management Ltd | Sell 100% | -$8.8M | $0 | 0.00% | Jul 27, 2026 |
| Nomura Asset Management International Inc. | New Buy | +$8.52M | $8.52M | 0.01% | Aug 14, 2026 |
| CenterBook Partners LP | Sell 100% | -$8.15M | $0 | 0.00% | Aug 11, 2026 |
| Greenwoods Asset Management Hong Kong Ltd. | New Buy | +$7.93M | $7.93M | 0.36% | Aug 7, 2026 |
| Handelsbanken Fonder AB | New Buy | +$7.72M | $7.72M | 0.02% | Jul 10, 2026 |
| Fund Resources Investment Holding Group Co Ltd | New Buy | +$7.41M | $7.41M | 0.91% | Jul 29, 2026 |
| Lord, Abbett & Co. LLC | Added 89.91% | +$7.27M | $15.4M | 0.04% | Aug 14, 2026 |
| 1492 Capital Management LLC | Reduce 38.94% | -$7.22M | $11.3M | 3.34% | Aug 11, 2026 |
| Rice Hall James & Associates, LLC | Reduce 43.28% | -$6.3M | $8.26M | 0.40% | Aug 7, 2026 |
| Thames Capital Management LLC | Sell 100% | -$6.29M | $0 | 0.00% | Aug 12, 2026 |
| Sphera Funds Management Ltd. | Sell 100% | -$6.21M | $0 | 0.00% | Aug 14, 2026 |
| Silvercrest Asset Management Group LLC | Reduce 26.65% | -$5.75M | $15.8M | 0.10% | Aug 14, 2026 |
| FirstWave Capital Management LLC | Added 199.56% | +$5.75M | $8.63M | 3.81% | Aug 12, 2026 |
| Elo Mutual Pension Insurance Co | New Buy | +$5.58M | $5.58M | 0.07% | Aug 13, 2026 |
| Graham Capital Management, L.P. | Reduce 93.10% | -$5.53M | $410K | 0.01% | Aug 14, 2026 |
| SPX Gestao de Recursos Ltda | New Buy | +$5.26M | $5.26M | 0.59% | Aug 19, 2026 |
| Scalar Gauge Management, LLC | Sell 100% | -$5.02M | $0 | 0.00% | Aug 14, 2026 |
| Broad Peak Investment Advisers Pte Ltd | New Buy | +$4.93M | $4.93M | 0.91% | Jul 30, 2026 |
| Treasurer of the State of North Carolina | New Buy | +$4.87M | $4.87M | 0.01% | Aug 14, 2026 |
| Catalyst Funds Management Pty Ltd | New Buy | +$4.74M | $4.74M | 0.27% | Aug 10, 2026 |
| Axiom Investors LLC | Reduce 33.51% | -$4.72M | $9.36M | 0.08% | Aug 12, 2026 |
| Voloridge Investment Management, LLC | Sell 100% | -$4.23M | $0 | 0.00% | Aug 14, 2026 |
| Oak Harvest Investment Services | Reduce 73.79% | -$4.14M | $1.47M | 0.14% | Jul 27, 2026 |
| Shariaportfolio, Inc. | Added 122.12% | +$3.97M | $7.22M | 2.55% | Aug 11, 2026 |
| Jefferies Financial Group Inc. | Reduce 76.94% | -$3.74M | $1.12M | 0.01% | Aug 17, 2026 |
| October Effect Ltd | New Buy | +$3.73M | $3.73M | 3.51% | Jul 21, 2026 |
| Blue Jean Financial LLC | Sell 100% | -$3.73M | $0 | 0.00% | Jul 24, 2026 |
| State of New Jersey Common Pension Fund D | New Buy | +$3.54M | $3.54M | 0.01% | Aug 4, 2026 |
| Worldquant Millennium Advisors LLC | New Buy | +$3.49M | $3.49M | 0.01% | Aug 14, 2026 |
| WCM Investment Management, LLC | New Buy | +$3.26M | $3.26M | 0.01% | Aug 13, 2026 |
| NLB Skladi, upravljanje premozenja, d.o.o. | New Buy | +$3.11M | $3.11M | 0.12% | Aug 6, 2026 |
| Leonteq Securities AG | Added 142.61% | +$2.86M | $4.86M | 0.17% | Jul 27, 2026 |
| Holocene Advisors, LP | New Buy | +$2.73M | $2.73M | 0.01% | Aug 14, 2026 |
| White Pine Capital LLC | Sell 100% | -$2.7M | $0 | 0.00% | Aug 5, 2026 |
| Rakuten Securities, Inc. | New Buy | +$2.66M | $2.66M | 0.62% | Aug 12, 2026 |
| Portolan Capital Management, LLC | Reduce 59.89% | -$2.65M | $1.77M | 0.07% | Aug 14, 2026 |
| Oak Ridge Investments LLC | Added 46.66% | +$2.63M | $8.26M | 0.47% | Jul 21, 2026 |
| Apis Capital Advisors, LLC | Sell 100% | -$2.62M | $0 | 0.00% | Aug 14, 2026 |
| Maytree Asset Management Ltd | New Buy | +$2.61M | $2.61M | 1.69% | Aug 5, 2026 |
| Geneva Partners, LLC | Sell 100% | -$2.5M | $0 | 0.00% | Aug 10, 2026 |
| Lisanti Capital Growth, LLC | New Buy | +$2.49M | $2.49M | 0.55% | Aug 10, 2026 |
| Kultura Capital Management LP | Added 45.75% | +$2.48M | $7.9M | 1.43% | Aug 14, 2026 |
| JAT Capital Mgmt LP | Added 164.63% | +$2.44M | $3.93M | 8.28% | Aug 14, 2026 |
| FORA Capital, LLC | Added 47.68% | +$2.34M | $7.25M | 0.50% | Aug 13, 2026 |
| Himension Capital (Singapore) Pte. Ltd. | New Buy | +$2.34M | $2.34M | 0.14% | Aug 13, 2026 |
| Knights of Columbus Asset Advisors LLC | Added 299.80% | +$2.24M | $2.99M | 0.15% | Jul 31, 2026 |
| Sona Asset Management (Us) LLC | New Buy | +$2.22M | $2.22M | 0.05% | Aug 14, 2026 |
| Harvest Investment Services, LLC | New Buy | +$2.19M | $2.19M | 0.34% | Aug 14, 2026 |
| Castleark Management LLC | Sell 100% | -$2.17M | $0 | 0.00% | Aug 14, 2026 |
| Covea Finance | New Buy | +$2.09M | $2.09M | 0.07% | Jul 13, 2026 |
| Flow Traders U.S. LLC | New Buy | +$2.05M | $2.05M | 0.08% | Aug 14, 2026 |
| Wellington Management Group LLP | Reduce 5.29% | -$2.02M | $36.2M | 0.01% | Aug 14, 2026 |
| Florida Financial Advisors, LLC | New Buy | +$1.94M | $1.94M | 0.33% | Aug 10, 2026 |
| Maverick Capital Ltd | Reduce 74.14% | -$1.78M | $620K | 0.01% | Aug 14, 2026 |
| Concurrent Investment Advisors, LLC | Reduce 59.51% | -$1.64M | $1.12M | 0.01% | Jul 27, 2026 |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | New Buy | +$1.53M | $1.53M | 0.51% | Jul 21, 2026 |
| Maytus Capital Management, LLC | New Buy | +$1.48M | $1.48M | 0.23% | Aug 14, 2026 |
| Quantitative Investment Management, LLC | New Buy | +$1.47M | $1.47M | 0.16% | Aug 14, 2026 |
| Tidal Investments LLC | Added 174.36% | +$1.4M | $2.2M | 0.00% | Aug 13, 2026 |
| Creek Drive Management Group LLC | Added 59.24% | +$1.38M | $3.7M | 1.80% | Aug 13, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | New Buy | +$1.35M | $1.35M | 0.00% | Aug 13, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 833.92% | +$1.34M | $1.51M | 0.00% | Aug 13, 2026 |
| Geneos Wealth Management Inc. | Reduce 50.17% | -$1.34M | $1.33M | 0.03% | Aug 6, 2026 |
| Aster Capital Management (DIFC) Ltd | New Buy | +$1.31M | $1.31M | 0.28% | Aug 14, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 20.02% | +$1.3M | $7.81M | 0.01% | Aug 13, 2026 |
| Independent Financial Group, LLC | Reduce 81.98% | -$1.21M | $266K | 0.01% | Jul 15, 2026 |
| Nicholas Investment Partners, LP | Reduce 14.96% | -$1.17M | $6.68M | 0.38% | Aug 14, 2026 |
| Timothy G. Youngquist 2020 Irrevocable Trust | Added 16.52% | +$1.17M | $8.27M | 1.62% | Aug 7, 2026 |
| MML Investors Services, LLC | Added 42.23% | +$1.11M | $3.74M | 0.01% | Aug 7, 2026 |
| Public Employees Retirement Association of Colorado | New Buy | +$1.11M | $1.11M | 0.00% | Aug 11, 2026 |
| Wbi Investments, LLC | Sell 100% | -$987K | $0 | 0.00% | Aug 11, 2026 |