Alpha & Omega SemiconductorAOSL
13F holders, Q4 2025 (December 31)168holders −17
24new positions
43sold out
6famous investors
$19.82avg. 13F price*
At the end of Q4 2025, 168 institutions reported holding Alpha & Omega Semiconductor (AOSL) in their 13F filings, down 17 from Q3 2025. 24 opened new positions and 43 sold out. The largest holders were BlackRock, Inc. ($77.4M), Vanguard Group Inc. ($48.0M) and Manufacturers Life Insurance Company, The ($32.3M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Alpha & Omega Semiconductor
- CUSIP
- G6331P104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $15.3M |
| Exits | 43 | $46.3M |
All 13F filers, Q3 2025 → Q4 2025: 2,769,050 shares bought and 2,795,396 shares sold, net −26,346 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 168 holders
| BlackRock, Inc. | 0.00% | Add +1.6% | 3,908,891 | $77.4M |
| Vanguard Group Inc. | 0.00% | Reduce -1.2% | 2,424,320 | $48.0M |
| Manufacturers Life Insurance Company, The | 0.03% | Add +4.7% | 1,628,634 | $32.3M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -6.1% | 1,584,028 | $31.4M |
| State Street Corp. | 0.00% | Add +21.6% | 1,474,175 | $29.2M |
| Wellington Management Group LLP | 0.00% | Add +18.6% | 1,025,953 | $20.3M |
| Boston Partners | 0.01% | Reduce -12.4% | 689,143 | $13.7M |
| Geode Capital Management, LLC | 0.00% | Add +0.6% | 611,089 | $12.1M |
| Weber Capital Management LLC | 10.24% | — | 547,308 | $10.8M |
| FMR LLC | 0.00% | Add +0.0% | 515,095 | $10.2M |
| Royce & Associates LP | 0.10% | Add +10.9% | 474,015 | $9.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +20.7% | 447,020 | $8.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +14.3% | 393,773 | $7.8M |
| Invesco Ltd. | 0.00% | Add +19.8% | 381,767 | $7.6M |
| Two Sigma Investments, LP | 0.01% | Add +71.3% | 278,117 | $5.5M |
| JPMorgan Chase & Co. | 0.00% | Add +49.6% | 237,563 | $4.7M |
| Northern Trust Corp. | 0.00% | Reduce -6.4% | 235,866 | $4.7M |
| Morgan Stanley | 0.00% | Reduce -13.2% | 228,233 | $4.5M |
| Bank of America Corp. | 0.00% | Add +23.4% | 221,299 | $4.4M |
| UBS Group AG | 0.00% | Add +224.7% | 217,121 | $4.3M |
| Gagnon Securities LLC | 0.88% | Add +0.1% | 215,642 | $4.3M |
| Russell Investments Group, Ltd. | 0.00% | Add +8.2% | 205,775 | $4.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +81.5% | 204,511 | $4.1M |
| Two Sigma Advisers, LP | 0.01% | Add +99.0% | 189,000 | $3.7M |
| Peregrine Capital Management LLC | 0.11% | Reduce -20.1% | 177,422 | $3.5M |
| D. E. Shaw & Co. | 0.00% | New | 160,588 | $3.2M |
| Uniplan Investment Counsel, Inc. | 0.33% | Reduce -0.3% | 159,947 | $3.2M |
| Trexquant Investment LP | 0.03% | Add +743.8% | 151,630 | $3.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.9% | 145,308 | $2.9M |
| WINTON GROUP Ltd | 0.09% | Add +189.9% | 137,265 | $2.7M |
| Acadian Asset Management LLC | 0.00% | Add +198.9% | 133,503 | $2.6M |
| Bridgeway Capital Management, LLC | 0.05% | Add +77.5% | 129,541 | $2.6M |
| Jacobs Levy Equity Management, Inc. | 0.01% | New | 124,751 | $2.5M |
| Gagnon Advisors, LLC | 1.51% | No change | 120,196 | $2.4M |
| Numerai GP LLC | 0.29% | Add +34.0% | 120,155 | $2.4M |
| Principal Financial Group Inc. | 0.00% | Reduce -0.4% | 118,897 | $2.4M |
| Empowered Funds, LLC | 0.04% | Add +106.8% | 109,541 | $2.2M |
| Citadel Advisors | 0.00% | New | 108,818 | $2.2M |
| Jane Street Group, LLC | 0.00% | New | 108,202 | $2.1M |
| Public Sector Pension Investment Board | 0.01% | Reduce -10.4% | 86,383 | $1.7M |
| Sei Investments Co. | 0.00% | Reduce -18.9% | 83,618 | $1.7M |
| AQR Capital Management | 0.00% | Add +36.5% | 82,032 | $1.6M |
| SG Americas Securities, LLC | 0.00% | Reduce -38.3% | 78,548 | $1.6M |
| Verition Fund Management LLC | 0.01% | Reduce -7.0% | 75,837 | $1.5M |
| Rhumbline Advisers | 0.00% | Reduce -3.4% | 71,012 | $1.4M |
| Susquehanna Portfolio Strategies, LLC | 0.02% | Reduce -24.9% | 66,647 | $1.3M |
| Legal & General Group Plc | 0.00% | Add +0.8% | 65,559 | $1.3M |
| Algert Global LLC | 0.02% | Add +1.0% | 63,980 | $1.3M |
| Susquehanna International Group, LLP | 0.00% | Add +175.2% | 60,338 | $1.2M |
| Millennium Management | 0.00% | Reduce -90.6% | 59,983 | $1.2M |
| American Century Companies Inc. | 0.00% | Reduce -8.4% | 58,911 | $1.2M |
| Swiss National Bank | 0.00% | Add +2.6% | 50,400 | $998K |
| Nuveen, LLC | 0.00% | No change | 48,149 | $954K |
| Walleye Capital LLC | 0.01% | New | 47,891 | $949K |
| Deutsche Bank AG | 0.00% | Add +1.8% | 47,059 | $932K |
| Ameriprise Financial Inc. | 0.00% | Reduce -2.8% | 45,801 | $907K |
| Engineers Gate Manager LP | 0.01% | Add +64.9% | 45,654 | $904K |
| Mork Capital Management, LLC | 0.54% | No change | 45,000 | $891K |
| Barclays PLC | 0.00% | Reduce -48.5% | 42,576 | $843K |
| State of Wisconsin Investment Board | 0.00% | Reduce -30.1% | 39,768 | $788K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +1.1% | 38,539 | $763K |
| XTX Topco Ltd | 0.02% | New | 37,263 | $738K |
| Quantbot Technologies LP | 0.02% | Add +220.0% | 35,944 | $712K |
| Quantinno Capital Management LP | 0.00% | Add +68.5% | 32,333 | $641K |
| Arosa Capital Management LP | 0.38% | New | 30,000 | $594K |
| Wells Fargo & Company | 0.00% | Add +43.0% | 29,571 | $586K |
| Massachusetts Financial Services Co. | 0.00% | New | 28,439 | $563K |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.6% | 27,858 | $552K |
| California State Teachers Retirement System | 0.00% | Add +12.1% | 25,763 | $510K |
| Voya Investment Management LLC | 0.00% | Add +0.3% | 24,386 | $483K |
| Alliancebernstein L.P. | 0.00% | Reduce -27.4% | 23,300 | $462K |
| Raymond James Financial Inc. | 0.00% | Reduce -27.6% | 22,178 | $439K |
| PDT Partners, LLC | 0.03% | No change | 21,287 | $422K |
| Axq Capital, LP | 0.09% | New | 20,511 | $406K |
| Aquatic Capital Management LLC | 0.01% | New | 20,300 | $402K |
| Franklin Resources Inc. | 0.00% | Add +5.5% | 20,281 | $402K |
| Natixis | 0.00% | New | 20,000 | $396K |
| Gsa Capital Partners LLP | 0.03% | Reduce -51.1% | 17,675 | $350K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -3.8% | 17,144 | $340K |
| Los Angeles Capital Management LLC | 0.00% | Add +1.0% | 11,926 | $335K |
| Prelude Capital Management, LLC | 0.02% | New | 16,480 | $326K |
| Tudor Investment Corporation | 0.00% | Add +41.1% | 15,401 | $305K |
| Intech Investment Management LLC | 0.00% | Add +11.8% | 14,476 | $287K |
| MetLife Investment Management, LLC | 0.00% | No change | 14,317 | $284K |
| Redwood Wealth Management Group, LLC | 0.12% | Reduce -28.7% | 14,076 | $279K |
| State of Alaska, Department of Revenue | 0.00% | Add +2.0% | 13,973 | $276K |
| Janus Henderson Group PLC | 0.00% | No change | 13,485 | $267K |
| Dynamic Technology Lab Private Ltd | 0.06% | New | 12,515 | $248K |
| Illinois Municipal Retirement Fund | 0.00% | Reduce -4.6% | 12,260 | $243K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -0.6% | 11,652 | $231K |
| Louisiana State Employees Retirement System | 0.00% | No change | 11,400 | $226K |
| Summit Global Investments | 0.01% | New | 11,238 | $223K |
| Renaissance Technologies | 0.00% | New | 10,500 | $208K |
| Caprock Group, LLC | 0.00% | New | 10,373 | $205K |
| Simplex Trading, LLC | 0.01% | Add +681.4% | 9,056 | $179K |
| Royal Bank of Canada | 0.00% | Add +9.2% | 8,938 | $177K |
| Citigroup Inc. | 0.00% | Reduce -26.0% | 8,717 | $173K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +79.8% | 7,926 | $157K |
| New York State Common Retirement Fund | 0.00% | No change | 7,796 | $154K |
| Amalgamated Bank | 0.00% | Add +0.5% | 7,210 | $143K |
"% of holder's portfolio" is AOSL's weight in each manager's 13F, not the share of Alpha & Omega Semiconductor the manager owns.