Alpha & Omega SemiconductorAOSL
13F holders, Q3 2025 (September 30)185holders +21
34new positions
14sold out
4famous investors
$27.96avg. 13F price*
At the end of Q3 2025, 185 institutions reported holding Alpha & Omega Semiconductor (AOSL) in their 13F filings, up 21 from Q2 2025. 34 opened new positions and 14 sold out. The largest holders were BlackRock, Inc. ($107.5M), Vanguard Group Inc. ($68.6M) and Dimensional Fund Advisors LP ($47.2M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Alpha & Omega Semiconductor
- CUSIP
- G6331P104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $11.1M |
| Exits | 14 | $5.0M |
All 13F filers, Q2 2025 → Q3 2025: 1,476,416 shares bought and 1,047,969 shares sold, net +428,447 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 185 holders
| BlackRock, Inc. | 0.00% | Reduce -0.3% | 3,845,295 | $107.5M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 2,453,975 | $68.6M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -1.9% | 1,687,666 | $47.2M |
| Manufacturers Life Insurance Company, The | 0.04% | Add +10.2% | 1,555,003 | $43.5M |
| State Street Corp. | 0.00% | Reduce -5.2% | 1,212,058 | $33.9M |
| Wellington Management Group LLP | 0.00% | Add +15.0% | 864,965 | $24.2M |
| Boston Partners | 0.02% | Reduce -29.1% | 786,630 | $22.0M |
| Robeco Schweiz AG | 0.49% | Add +0.3% | 785,264 | $22.0M |
| Millennium Management | 0.01% | Add +57.5% | 637,876 | $17.8M |
| Geode Capital Management, LLC | 0.00% | Add +1.0% | 607,477 | $17.0M |
| FMR LLC | 0.00% | Add +0.1% | 515,044 | $14.4M |
| Royce & Associates LP | 0.12% | Reduce -0.8% | 427,353 | $11.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -21.0% | 370,350 | $10.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +14.5% | 344,601 | $9.6M |
| First Eagle Investment Management, LLC | 0.02% | Reduce -0.8% | 326,608 | $9.1M |
| Invesco Ltd. | 0.00% | Reduce -2.9% | 318,633 | $8.9M |
| Oberweis Asset Management Inc./ | 0.29% | Add +11.0% | 271,100 | $7.6M |
| Morgan Stanley | 0.00% | Add +9.0% | 262,816 | $7.3M |
| Northern Trust Corp. | 0.00% | Add +0.7% | 251,879 | $7.0M |
| Acuitas Investments, LLC | 4.32% | Add +38.6% | 240,920 | $6.7M |
| Peregrine Capital Management LLC | 0.19% | Reduce -0.3% | 222,074 | $6.2M |
| Gagnon Securities LLC | 1.21% | Reduce -0.3% | 215,349 | $6.0M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -9.1% | 190,221 | $5.3M |
| Bank of America Corp. | 0.00% | Reduce -15.1% | 179,297 | $5.0M |
| Two Sigma Investments, LP | 0.01% | Reduce -17.6% | 162,320 | $4.5M |
| Uniplan Investment Counsel, Inc. | 0.46% | Reduce -14.2% | 160,515 | $4.5M |
| JPMorgan Chase & Co. | 0.00% | Add +72.4% | 158,844 | $4.4M |
| Bank of New York Mellon Corp | 0.00% | Add +1.6% | 146,648 | $4.1M |
| SG Americas Securities, LLC | 0.01% | New | 127,276 | $3.6M |
| Gagnon Advisors, LLC | 2.08% | No change | 120,196 | $3.4M |
| Principal Financial Group Inc. | 0.00% | Reduce -1.4% | 119,323 | $3.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +40.2% | 112,672 | $3.2M |
| Sei Investments Co. | 0.00% | Reduce -0.7% | 103,072 | $2.9M |
| Public Sector Pension Investment Board | 0.01% | Add +15.8% | 96,362 | $2.7M |
| Two Sigma Advisers, LP | 0.01% | Add +17.6% | 95,000 | $2.7M |
| Numerai GP LLC | 0.35% | Add +37.6% | 89,695 | $2.5M |
| Susquehanna Portfolio Strategies, LLC | 0.04% | No change | 88,750 | $2.5M |
| Barclays PLC | 0.00% | Reduce -9.4% | 82,597 | $2.3M |
| Verition Fund Management LLC | 0.01% | Add +31.5% | 81,513 | $2.3M |
| Rhumbline Advisers | 0.00% | Add +0.6% | 73,474 | $2.1M |
| Bridgeway Capital Management, LLC | 0.04% | Add +189.8% | 72,983 | $2.0M |
| UBS Group AG | 0.00% | Add +204.8% | 66,867 | $1.9M |
| Legal & General Group Plc | 0.00% | Reduce -0.6% | 65,040 | $1.8M |
| American Century Companies Inc. | 0.00% | Add +11.2% | 64,302 | $1.8M |
| Algert Global LLC | 0.03% | Add +64.3% | 63,319 | $1.8M |
| AQR Capital Management | 0.00% | Add +1.0% | 60,097 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Reduce -34.4% | 56,921 | $1.6M |
| Empowered Funds, LLC | 0.01% | New | 52,983 | $1.5M |
| Swiss National Bank | 0.00% | Add +2.7% | 49,100 | $1.4M |
| Nuveen, LLC | 0.00% | No change | 48,149 | $1.3M |
| WINTON GROUP Ltd | 0.05% | Reduce -4.6% | 47,351 | $1.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -5.6% | 47,104 | $1.3M |
| Deutsche Bank AG | 0.00% | Add +5.4% | 46,215 | $1.3M |
| Mork Capital Management, LLC | 0.87% | No change | 45,000 | $1.3M |
| Acadian Asset Management LLC | 0.00% | Add +46.4% | 44,658 | $1.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -40.7% | 38,128 | $1.1M |
| Gsa Capital Partners LLP | 0.08% | New | 36,181 | $1.0M |
| Alliancebernstein L.P. | 0.00% | No change | 32,090 | $897K |
| Raymond James Financial Inc. | 0.00% | Add +38.2% | 30,612 | $856K |
| First Trust Advisors LP | 0.00% | Reduce -1.2% | 29,041 | $812K |
| ExodusPoint Capital Management, LP | 0.01% | New | 27,948 | $781K |
| Engineers Gate Manager LP | 0.01% | Add +227.6% | 27,680 | $774K |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.2% | 26,636 | $745K |
| Voya Investment Management LLC | 0.00% | New | 24,301 | $679K |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 22,976 | $642K |
| Squarepoint Ops LLC | 0.00% | Add +7.7% | 22,525 | $630K |
| Susquehanna International Group, LLP | 0.00% | Reduce -61.7% | 21,929 | $613K |
| PDT Partners, LLC | 0.04% | Reduce -0.1% | 21,287 | $595K |
| Wells Fargo & Company | 0.00% | Add +19.6% | 20,684 | $578K |
| Redwood Wealth Management Group, LLC | 0.23% | Add +13.8% | 19,741 | $552K |
| Franklin Resources Inc. | 0.00% | Add +44.3% | 19,228 | $538K |
| Quantinno Capital Management LP | 0.00% | Add +5.4% | 19,191 | $537K |
| Trexquant Investment LP | 0.01% | New | 17,969 | $502K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -0.7% | 17,820 | $498K |
| Brooklyn Investment Group | 0.06% | Add +10.2% | 16,517 | $425K |
| MetLife Investment Management, LLC | 0.00% | No change | 14,317 | $400K |
| State of Alaska, Department of Revenue | 0.00% | Reduce -5.7% | 13,698 | $382K |
| Janus Henderson Group PLC | 0.00% | No change | 13,485 | $377K |
| Intech Investment Management LLC | 0.00% | Reduce -16.4% | 12,953 | $362K |
| Illinois Municipal Retirement Fund | 0.00% | Add +16.9% | 12,854 | $359K |
| Counterpoint Mutual Funds LLC | 0.03% | New | 12,494 | $349K |
| Marshall Wace, LLP | 0.00% | New | 12,218 | $342K |
| Versor Investments LP | 0.06% | Add +43.5% | 12,054 | $337K |
| Creative Planning | 0.00% | Add +24.2% | 11,993 | $335K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -30.6% | 11,811 | $330K |
| Citigroup Inc. | 0.00% | Reduce -54.7% | 11,773 | $329K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -14.7% | 11,727 | $328K |
| Neuberger Berman Group LLC | 0.00% | Add +13.9% | 11,519 | $322K |
| Louisiana State Employees Retirement System | 0.01% | No change | 11,400 | $319K |
| Quantbot Technologies LP | 0.01% | Add +226.1% | 11,234 | $314K |
| Tudor Investment Corporation | 0.00% | Reduce -75.5% | 10,913 | $305K |
| Jain Global LLC | 0.00% | New | 10,800 | $302K |
| Gotham Asset Management | 0.00% | Reduce -27.8% | 9,978 | $279K |
| Journey Strategic Wealth LLC | 0.01% | Add +1.3% | 9,658 | $270K |
| Balyasny Asset Management L.P. | 0.00% | New | 9,524 | $266K |
| First Citizens Bank & Trust Co. | 0.01% | New | 9,263 | $259K |
| Envestnet Portfolio Solutions, Inc. | 0.00% | New | 8,902 | $249K |
| Overbrook Management Corp | 0.04% | No change | 8,304 | $232K |
| Royal Bank of Canada | 0.00% | Reduce -31.7% | 8,183 | $230K |
| New York State Common Retirement Fund | 0.00% | No change | 7,796 | $218K |
"% of holder's portfolio" is AOSL's weight in each manager's 13F, not the share of Alpha & Omega Semiconductor the manager owns.