Alpha & Omega Semiconductor Ltd
AOSL- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001387467
In the last 90 days, Alpha & Omega Semiconductor Ltd insiders filed 0 open-market purchases and 1 sale; 216 institutions reported holding it in 13F filings for Q2 2026, worth $1.08B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Alpha & Omega Semiconductor Ltd as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 180
- +15 vs. Q4 2025
- Shares held
- 22.1M
- +2.15M (+10.7%) vs. Q4 2025
- Total value
- $490.1M
- +$93.9M (+23.7%) vs. Q4 2025
- New holders
- 32
- 61 more added
- Sold out
- 17
- 52 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AOSL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 216 | $1.08B |
| Q1 2026 | 180 | $490.1M |
| Q4 2025 | 168 | $444.2M |
| Q3 2025 | 185 | $619.0M |
| Q2 2025 | 165 | $557.1M |
| Q1 2025 | 156 | $562.6M |
| Q4 2024 | 177 | $760.3M |
| Q3 2024 | 173 | $725.9M |
| Q2 2024 | 166 | $727.5M |
| Q1 2024 | 141 | $421.7M |
| Q4 2023 | 144 | $472.7M |
| Q3 2023 | 141 | $521.4M |
| Q2 2023 | 145 | $570.9M |
| Q1 2023 | 145 | $472.2M |
| Q4 2022 | 164 | $508.9M |
| Q3 2022 | 176 | $568.4M |
| Q2 2022 | 186 | $605.3M |
| Q1 2022 | 207 | $864.5M |
| Q4 2021 | 178 | $908.1M |
| Q3 2021 | 131 | $467.4M |
| Q2 2021 | 126 | $461.6M |
| Q1 2021 | 126 | $506.9M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,904,776 | $86.5M | 0.00% | −4,115−0.1% | Reduced |
| Manufacturers Life Insurance Company, The | 1,574,462 | $34.9M | 0.03% | −54,172−3.3% | Reduced |
| Dimensional Fund Advisors LP | 1,563,871 | $34.7M | 0.01% | −20,157−1.3% | Reduced |
| State Street Corp | 1,401,550 | $31.1M | 0.00% | −72,625−4.9% | Reduced |
| Vanguard Portfolio Management LLC | 1,168,929 | $25.9M | 0.00% | +1,168,929 | New |
| Vanguard Capital Management LLC | 1,051,231 | $23.3M | 0.00% | +1,051,231 | New |
| Wellington Management Group LLP | 694,808 | $15.4M | 0.00% | −331,145−32.3% | Reduced |
| Geode Capital Management, LLC | 628,668 | $13.9M | 0.00% | +17,579+2.9% | Added |
| Two Sigma Investments, LP | 553,011 | $12.3M | 0.01% | +274,894+98.8% | Added |
| FMR LLC | 544,709 | $12.1M | 0.00% | +29,614+5.7% | Added |
| Weber Capital Management LLC | 542,308 | $12.0M | 12.00% | −5,000−0.9% | Reduced |
| Royce & Associates LP | 518,115 | $11.5M | 0.11% | +44,100+9.3% | Added |
| Charles Schwab Investment Management Inc | 420,427 | $9.32M | 0.00% | +26,654+6.8% | Added |
| Invesco Ltd. | 375,773 | $8.33M | 0.00% | −5,994−1.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 353,914 | $7.84M | 0.03% | +229,163+183.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 336,716 | $7.46M | 0.02% | +132,205+64.6% | Added |
| JPMorgan Chase & Co | 344,032 | $7.17M | 0.00% | +106,469+44.8% | Added |
| D. E. Shaw & Co., Inc. | 279,588 | $6.20M | 0.00% | +119,000+74.1% | Added |
| Goldman Sachs Group Inc | 267,682 | $5.93M | 0.00% | −179,338−40.1% | Reduced |
| Northern Trust Corp | 246,790 | $5.47M | 0.00% | +10,924+4.6% | Added |
| Acadian Asset Management LLC | 210,640 | $4.66M | 0.01% | +77,137+57.8% | Added |
| Millennium Management LLC | 197,782 | $4.38M | 0.00% | +137,799+229.7% | Added |
| Morgan Stanley | 196,895 | $4.36M | 0.00% | −31,338−13.7% | Reduced |
| UBS Group AG | 188,740 | $4.18M | 0.00% | −28,381−13.1% | Reduced |
| Trexquant Investment LP | 174,100 | $3.86M | 0.03% | +22,470+14.8% | Added |
| Gagnon Securities LLC | 167,874 | $3.72M | 0.86% | −47,768−22.2% | Reduced |
| Vanguard Fiduciary Trust Co | 162,943 | $3.61M | 0.00% | +162,943 | New |
| Peregrine Capital Management LLC | 161,821 | $3.59M | 0.13% | −15,601−8.8% | Reduced |
| Uniplan Investment Counsel, Inc. | 150,154 | $3.33M | 0.34% | −9,793−6.1% | Reduced |
| AQR Capital Management LLC | 141,657 | $3.14M | 0.00% | +59,625+72.7% | Added |
| Bridgeway Capital Management, LLC | 140,331 | $3.11M | 0.06% | +10,790+8.3% | Added |
| Bank of New York Mellon Corp | 139,534 | $3.09M | 0.00% | −5,774−4.0% | Reduced |
| Point72 Asset Management, L.P. | 129,287 | $2.87M | 0.00% | +129,287 | New |
| Bank of America Corp | 127,692 | $2.83M | 0.00% | −93,607−42.3% | Reduced |
| Algert Global LLC | 120,340 | $2.67M | 0.04% | +56,360+88.1% | Added |
| Empowered Funds, LLC | 120,331 | $2.67M | 0.02% | +10,790+9.9% | Added |
| Gagnon Advisors, LLC | 120,196 | $2.66M | 1.96% | 00.0% | Unchanged |
| Principal Financial Group Inc | 120,075 | $2.66M | 0.00% | +1,178+1.0% | Added |
| Wedge Capital Management L L P | 112,554 | $2.49M | 0.05% | +112,554 | New |
| BNP Paribas Arbitrage, SA | 105,266 | $2.33M | 0.00% | +99,073+1,599.8% | Added |
| Numerai GP LLC | 97,974 | $2.17M | 0.22% | −22,181−18.5% | Reduced |
| Public Sector Pension Investment Board | 88,387 | $1.96M | 0.01% | +2,004+2.3% | Added |
| SEI Investments Co | 83,834 | $1.86M | 0.00% | +216+0.3% | Added |
| State of Wisconsin Investment Board | 78,503 | $1.74M | 0.00% | +38,735+97.4% | Added |
| SG Americas Securities, LLC | 72,458 | $1.61M | 0.00% | −6,090−7.8% | Reduced |
| Rhumbline Advisers | 72,045 | $1.60M | 0.00% | +1,033+1.5% | Added |
| Tudor Investment Corp Et Al | 69,550 | $1.54M | 0.01% | +54,149+351.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 66,647 | $1.48M | 0.02% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 63,034 | $1.40M | 0.02% | +17,380+38.1% | Added |
| Winton Group Ltd | 60,932 | $1.35M | 0.05% | −76,333−55.6% | Reduced |
| Panagora Asset Management Inc | 58,785 | $1.30M | 0.00% | +58,785 | New |
| American Century Companies Inc | 58,325 | $1.29M | 0.00% | −586−1.0% | Reduced |
| Legal & General Group Plc | 56,806 | $1.26M | 0.00% | −8,753−13.4% | Reduced |
| Franklin Resources Inc | 56,334 | $1.25M | 0.00% | +36,053+177.8% | Added |
| Gsa Capital Partners LLP | 55,270 | $1.23M | 0.08% | +37,595+212.7% | Added |
| Ameriprise Financial Inc | 53,932 | $1.20M | 0.00% | +8,131+17.8% | Added |
| Swiss National Bank | 50,400 | $1.12M | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 49,542 | $1.10M | 0.00% | +2,483+5.3% | Added |
| Nuveen, LLC | 48,417 | $1.07M | 0.00% | +268+0.6% | Added |
| Mork Capital Management, LLC | 45,000 | $997.2K | 0.71% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 41,735 | $924.8K | 0.00% | −18,603−30.8% | Reduced |
| Jump Financial, LLC | 41,500 | $919.6K | 0.01% | +41,500 | New |
| UBS Asset Management Americas Inc | 40,033 | $887.1K | 0.00% | +1,494+3.9% | Added |
| First Eagle Investment Management, LLC | 40,000 | $886.4K | 0.00% | +40,000 | New |
| Counterpoint Mutual Funds LLC | 39,579 | $877.1K | 0.13% | +39,579 | New |
| Quantinno Capital Management LP | 37,248 | $825.4K | 0.00% | +4,915+15.2% | Added |
| Citadel Advisors LLC | 36,434 | $807.4K | 0.00% | −72,384−66.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 35,370 | $783.8K | 0.01% | +35,370 | New |
| Russell Investments Group, Ltd. | 34,080 | $755.2K | 0.00% | −171,695−83.4% | Reduced |
| Price T Rowe Associates Inc | 32,823 | $728.0K | 0.00% | +4,965+17.8% | Added |
| Arosa Capital Management LP | 30,000 | $664.8K | 0.43% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 27,700 | $613.8K | 0.00% | −739−2.6% | Reduced |
| PDT Partners, LLC | 25,375 | $562.3K | 0.03% | +4,088+19.2% | Added |
| Raymond James Financial Inc | 23,815 | $527.7K | 0.00% | +1,637+7.4% | Added |
| California State Teachers Retirement System | 23,784 | $527.1K | 0.00% | −1,979−7.7% | Reduced |
| XTX Topco Ltd | 22,934 | $508.2K | 0.01% | −14,329−38.5% | Reduced |
| Vanguard Global Advisers, LLC | 21,023 | $465.9K | 0.00% | +21,023 | New |
| Marshall Wace, LLP | 20,400 | $452.1K | 0.00% | +20,400 | New |
| DRW Securities, LLC | 20,176 | $447.1K | 0.02% | +20,176 | New |
| Natixis | 20,000 | $443.2K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 19,506 | $432.3K | 0.00% | +19,506 | New |
| Brevan Howard Capital Management LP | 19,171 | $424.8K | 0.00% | +19,171 | New |
| Neuberger Berman Group LLC | 18,984 | $420.7K | 0.00% | +18,984 | New |
| Alliancebernstein L.P. | 20,500 | $406.1K | 0.00% | −2,800−12.0% | Reduced |
| Journey Strategic Wealth LLC | 17,790 | $394.2K | 0.01% | +17,790 | New |
| Quantbot Technologies LP | 17,212 | $381.4K | 0.02% | −18,732−52.1% | Reduced |
| Thrivent Financial for Lutherans | 16,488 | $365.0K | 0.00% | −656−3.8% | Reduced |
| Creative Planning | 15,924 | $352.9K | 0.00% | +15,924 | New |
| First Citizens Bank & Trust Co | 15,830 | $350.8K | 0.01% | +15,830 | New |
| Verition Fund Management LLC | 15,789 | $349.9K | 0.00% | −60,048−79.2% | Reduced |
| Vanguard Asset Management, Ltd | 15,523 | $344.0K | 0.00% | +15,523 | New |
| Envestnet Portfolio Solutions, Inc. | 15,205 | $336.9K | 0.00% | +15,205 | New |
| MetLife Investment Management | 14,317 | $317.3K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 13,485 | $298.9K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 13,440 | $297.0K | 0.00% | −533−3.8% | Reduced |
| Illinois Municipal Retirement Fund | 12,383 | $274.4K | 0.00% | +123+1.0% | Added |
| CAPROCK Group, Inc. | 12,335 | $273.3K | 0.01% | +1,962+18.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 11,924 | $264.2K | 0.00% | +272+2.3% | Added |
| Redwood Wealth Management Group, LLC | 11,337 | $251.2K | 0.11% | −2,739−19.5% | Reduced |
| Summit Global Investments | 11,238 | $249.0K | 0.01% | 00.0% | Unchanged |