APPLIED OPTOELECTRONICS INC COM is a security (CUSIP 03823U102) tracked across SEC portfolio filings. 441 institutional managers reported $5.0B on Form 13F as of 2026-06-30; 36 registered fund positions totaling $571.3M via N-PORT as of 2026-05-31.
Showing 15 of 441 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $608.4M | 7,192,329 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $472.6M | 2,279,318 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $348.7M | 86,973 |
| D. E. Shaw & Co., Inc. | New York, NY | $222.5M | 2,117,157 |
| CITADEL ADVISORS LLC | MIAMI, FL | $210.7M | 421,003 |
| OBERWEIS ASSET MANAGEMENT INC/ | Lisle, IL | $198.8M | 2,349,969 |
| VANGUARD GROUP INC | Valley Forge, PA | $173.7M | 4,982,660 |
| STATE STREET CORP | BOSTON, MA | $139.1M | 1,644,293 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $137.2M | 1,621,305 |
| Value Aligned Research Advisors, LLC | PRINCETON, NJ | $109.4M | 1,267,938 |
| Hood River Capital Management LLC | PALM BEACH GARDENS, FL | $107.9M | 1,275,519 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $94.7M | 1,111,132 |
| Walleye Trading LLC | NEW YORK, NY | $92.6M | — |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $91.8M | 1,084,764 |
| UBS Group AG | Zurich, V8 | $87.9M | 970,744 |
Showing 15 of 36 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Invesco Small Cap Value Fund | AIM Sector Funds (Invesco Sector Funds) | $161.2M | 149.89% |
| Oberweis Micro-Cap Fund | OBERWEIS FUNDS | $90.9M | 865.07% |
| T. Rowe Price New Horizons Fund, Inc. | T. ROWE PRICE NEW HORIZONS FUND, INC. | $87.5M | 68.52% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $60.6M | 7.44% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $53.8M | 30.68% |
| Emerald Growth Fund | FINANCIAL INVESTORS TRUST | $23.9M | 169.77% |
| T. Rowe Price Small-Cap Value Fund, Inc. | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $17.2M | 18.70% |
| T. Rowe Price Small-Cap Stock Fund, Inc. | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $14.6M | 18.08% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $12.2M | 5.61% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $9.1M | 18.84% |
| T. Rowe Price Institutional Small-Cap Stock Fund | T. Rowe Price Equity Funds, Inc. | $7.8M | 18.07% |
| ROYCE MICRO-CAP TRUST, INC. | ROYCE MICRO-CAP TRUST, INC. | $5.9M | 85.33% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $3.4M | 0.58% |
| TIFF MULTI-ASSET FUND | TIFF Investment Program | $3.4M | 24.24% |
| AMG Frontier Small Cap Growth Fund | AMG Funds I | $3.1M | 316.58% |