| 0.03% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 1.3M | $63.2M | -14.6% | 4.461% | 0.01% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $52.6M | -4.9% | 3.714% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $50.7M | +1.9% | 3.578% | 0.00% |
| 7 | JANE STREET GROUP, LLC | 980K | $46.4M | +4107.0% | 3.275% | 0.00% |
| 8 | TWO SIGMA INVESTMENTS, LP | 952K | $45.0M | +72.1% | 3.179% | 0.03% |
| 9 | FMR LLC | 792K | $37.5M | +45.4% | 2.645% | 0.00% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 659K | $31.2M | +4.8% | 2.201% | 0.00% |
| 11 | Connor, Clark & Lunn Investment Management Ltd. | 637K | $30.1M | +89.1% | 2.128% | 0.06% |
| 12 | WEBER CAPITAL MANAGEMENT LLC /ADV | 538K | $25.5M | -0.7% | 1.799% | 21.69% |
| 13 | CITADEL ADVISORS LLC | 476K | $22.5M | +421.0% | 1.592% | 0.00% |
| 14 | WELLINGTON MANAGEMENT GROUP LLP | 413K | $19.5M | -40.6% | 1.380% | 0.00% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 403K | $19.1M | -4.1% | 1.347% | 0.00% |
| 16 | MILLENNIUM MANAGEMENT LLC | 318K | $15.0M | +60.6% | 1.061% | 0.01% |
| 17 | ROYCE & ASSOCIATES LP | 309K | $14.6M | -40.4% | 1.033% | 0.12% |
| 18 | D. E. Shaw & Co., Inc. | 284K | $13.5M | +1.7% | 0.950% | 0.01% |
| 19 | GOLDMAN SACHS GROUP INC | 279K | $13.2M | +4.3% | 0.933% | 0.00% |
| 20 | NORTHERN TRUST CORP | 261K | $12.4M | +5.8% | 0.872% | 0.00% |
| 21 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 254K | $12.0M | +95.9% | 0.847% | 0.00% |
| 22 | MORGAN STANLEY | 217K | $10.3M | +10.3% | 0.726% | 0.00% |
| 23 | Invesco Ltd. | 208K | $9.8M | -44.7% | 0.694% | 0.00% |
| 24 | APIS CAPITAL ADVISORS, LLC | 206K | $9.8M | — | 0.689% | 0.95% |
| 25 | CONGRESS ASSET MANAGEMENT CO | 203K | $9.6M | — | 0.680% | 0.06% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AOSL — a direct measure of their conviction.
| 76.38% |
| +5.81 pp |
| $563M |
| 25% |
| Q4 2024 | 175 | +2.3% | 70.57% | +2.78 pp | $755M | +4.6% |
| Q3 2024 | 171 | — | 67.79% | — | $721M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
60 institutions opened new positions in AOSL during Q2 2026, while 24 fully exited. 132 added to existing positions and 17 trimmed.
AOSL institutional ownership rose by 6.78 percentage points quarter-over-quarter, with a net change of +36 holders.
The top 10 institutions account for 62.8% of all reported 13F value in AOSL, and the top 25 account for 83.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Alpha and Omega Semiconductor Limited (AOSL) Institutional Ownership