Who Owns Alpha and Omega Semiconductor Limited (AOSL)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$5.500044207320003e+200T
% of Float Held
1.1556958667140812e+285%
QoQ Change in Holders
+14 / -2
Price History
AOSL — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| WEBER CAPITAL MANAGEMENT LLC /ADV | New Position | +547K | +$10.8M |
| GAGNON SECURITIES LLC | New Position | +216K | +$4.3M |
| PEREGRINE CAPITAL MANAGEMENT LLC | New Position | +177K | +$3.5M |
| D. E. Shaw & Co., Inc. | New Position | +161K | +$3.0M |
| Gagnon Advisors, LLC | New Position | +120K | +$2.4M |
| PRINCIPAL FINANCIAL GROUP INC | New Position | +119K | +$2.4M |
| CITADEL ADVISORS LLC | New Position | +109K | +$2.0M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | New Position | +125K | +$2.0M |
| SG Americas Securities, LLC | New Position | +79K | +$1.6M |
| Bank of New York Mellon Corp | New Position | +145K | +$1.0M |
| JANE STREET GROUP, LLC | New Position | +108K | +$1.0M |
| ACADIAN ASSET MANAGEMENT LLC | Increased | +89K | +$755K |
| Arosa Capital Management LP | New Position | +30K | +$594K |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | New Position | +28K | +$562K |
| AXQ CAPITAL, LP | New Position | +21K | +$406K |
AOSL — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| VANGUARD GROUP INC | Decreased | -30K | -$68.6B |
| DIMENSIONAL FUND ADVISORS LP | Decreased | -104K | -$47.2B |
| Boston Partners | Decreased | -97K | -$22.0B |
| MILLENNIUM MANAGEMENT LLC | Decreased | -578K | -$17.8B |
| First Eagle Investment Management, LLC | Closed Position | -327K | -$9.1B |
| OBERWEIS ASSET MANAGEMENT INC/ | Closed Position | -271K | -$7.6B |
| MORGAN STANLEY | Decreased | -35K | -$7.3B |
| NORTHERN TRUST CORP | Decreased | -16K | -$7.0B |
| Uniplan Investment Counsel, Inc. | Decreased | -8K | -$4.5B |
| SEI INVESTMENTS CO | Decreased | -19K | -$2.9B |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | Decreased | -10K | -$2.7B |
| Susquehanna Portfolio Strategies, LLC | Decreased | -22K | -$2.5B |
| BARCLAYS PLC | Decreased | -40K | -$2.3B |
| Verition Fund Management LLC | Decreased | -6K | -$2.3B |
| RHUMBLINE ADVISERS | Decreased | -2K | -$2.1B |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2,792,383 | $55.0M | 0.00% | Share |
| 2 | VANGUARD GROUP INC | 2,231,572 | $44.2M | 0.00% | Share |
| 3 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1,628,634 | $32.0M | 0.03% | Share |
| 4 | DIMENSIONAL FUND ADVISORS LP | 1,551,146 | $30.0M | 0.01% | Share |
| 5 | STATE STREET CORP | 1,474,175 | $29.0M | 0.00% | Share |
| 6 | BlackRock, Inc. | 765,538 | $15.0M | 0.00% | Share |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 609,823 | $12.0M | 0.00% | Share |
| 8 | WEBER CAPITAL MANAGEMENT LLC /ADV | 547,308 | $10.8M | 10.24% | Share |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 530,692 | $10.0M | 0.00% | Share |
| 10 | FMR LLC | 514,995 | $10.0M | 0.00% | Share |
| 11 | ROYCE & ASSOCIATES LP | 474,015 | $9.4M | 0.10% | Share |
| 12 | Invesco Ltd. | 361,195 | $7.2M | 0.00% | Share |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 393,773 | $7.0M | 0.00% | Share |
| 14 | GOLDMAN SACHS GROUP INC | 359,554 | $7.0M | 0.00% | Share |
| 15 | WELLINGTON MANAGEMENT GROUP LLP | 376,727 | $7.0M | 0.00% | Share |
| 16 | TWO SIGMA INVESTMENTS, LP | 278,117 | $5.0M | 0.01% | Share |
| 17 | GAGNON SECURITIES LLC | 215,642 | $4.3M | 0.87% | Share |
| 18 | UBS Group AG | 213,382 | $4.2M | 0.00% | Share |
| 19 | NORTHERN TRUST CORP | 205,586 | $4.0M | 0.00% | Share |
| 20 | Connor, Clark & Lunn Investment Management Ltd. | 204,511 | $4.0M | 0.01% | Share |
| 21 | PEREGRINE CAPITAL MANAGEMENT LLC | 177,422 | $3.5M | 0.11% | Share |
| 22 | VANGUARD GROUP INC | 157,828 | $3.1M | 0.00% | Share |
| 23 | Uniplan Investment Counsel, Inc. | 152,820 | $3.0M | 0.85% | Share |
| 24 | Trexquant Investment LP | 151,630 | $3.0M | 0.03% | Share |
| 25 | TWO SIGMA ADVISERS, LP | 189,000 | $3.0M | 0.01% | Share |
| 26 | D. E. Shaw & Co., Inc. | 160,588 | $3.0M | 0.00% | Share |
| 27 | Gagnon Advisors, LLC | 120,196 | $2.4M | 1.51% | Share |
| 28 | PRINCIPAL FINANCIAL GROUP INC | 117,840 | $2.3M | 0.00% | Share |
| 29 | Empowered Funds, LLC | 109,541 | $2.0M | 0.02% | Share |
| 30 | Numerai GP LLC | 120,155 | $2.0M | 0.24% | Share |
| 31 | JPMORGAN CHASE & CO | 138,500 | $2.0M | 0.00% | Share |
| 32 | ACADIAN ASSET MANAGEMENT LLC | 133,503 | $2.0M | 0.00% | Share |
| 33 | WINTON GROUP Ltd | 137,265 | $2.0M | 0.07% | Share |
| 34 | JACOBS LEVY EQUITY MANAGEMENT, INC | 124,751 | $2.0M | 0.01% | Share |
| 35 | CITADEL ADVISORS LLC | 108,569 | $2.0M | 0.00% | Share |
| 36 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 129,541 | $2.0M | 0.04% | Share |
| 37 | SG Americas Securities, LLC | 78,548 | $1.6M | 0.00% | Share |
| 38 | Susquehanna Portfolio Strategies, LLC | 66,647 | $1.0M | 0.02% | Share |
| 39 | RHUMBLINE ADVISERS | 71,012 | $1.0M | 0.00% | Share |
| 40 | JPMORGAN CHASE & CO | 85,907 | $1.0M | 0.00% | Share |
| 41 | JANE STREET GROUP, LLC | 94,861 | $1.0M | 0.00% | Share |
| 42 | BlackRock, Inc. | 61,366 | $1.0M | 0.00% | Share |
| 43 | AMERICAN CENTURY COMPANIES INC | 58,911 | $1.0M | 0.00% | Share |
| 44 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 58,900 | $1.0M | 0.00% | Put |
| 45 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 86,383 | $1.0M | 0.00% | Share |
| 46 | AQR CAPITAL MANAGEMENT LLC | 81,534 | $1.0M | 0.00% | Share |
| 47 | MILLENNIUM MANAGEMENT LLC | 59,983 | $1.0M | 0.00% | Share |
| 48 | BANK OF AMERICA CORP /DE/ | 87,660 | $1.0M | 0.00% | Share |
| 49 | BANK OF AMERICA CORP /DE/ | 90,877 | $1.0M | 0.00% | Share |
| 50 | ALGERT GLOBAL LLC | 63,980 | $1.0M | 0.02% | Share |
AOSL Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 170 | $377.5M | +39 |
| Q3 2025 | 131 | $554.1B | -11 |
| Q2 2025 | 142 | $407.2B | -14 |
| Q1 2025 | 156 | $561.0B | -12 |
| Q4 2024 | 168 | $13.0T | +23 |
| Q3 2024 | 145 | $536.3T | +7 |
| Q2 2024 | 138 | $378.4T | +24 |
| Q1 2024 | 114 | $224.5T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold AOSL (Alpha and Omega Semiconductor Limited). The largest holder is BlackRock, Inc. with $55.0M in shares. This quarter, 14 institutions opened new positions and 2 closed their positions.
Frequently Asked Questions
How many hedge funds own AOSL?
As of Q4 2025, 50 institutional investors report holding AOSL (Alpha and Omega Semiconductor Limited) in their 13F filings.
Who is the largest institutional holder of AOSL?
The largest institutional holder of AOSL is BlackRock, Inc. with $55.0M in shares.
Is institutional ownership of AOSL increasing or decreasing?
This quarter, 14 institutions opened new positions in AOSL and 2 closed their positions.