Alpha and Omega Semiconductor Ownership | Who Owns Alpha and Omega Semiconductor?
Alpha and Omega Semiconductor Ownership Summary
Alpha and Omega Semiconductor is owned by 21.92% institutional investors, 17.09% insiders, and 60.99% retail investors. Blackrock is the largest institutional shareholder, holding 13.11% of AOSL shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.00% of its assets in Alpha and Omega Semiconductor shares.
AOSL Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Alpha and Omega Semiconductor | 21.92% | 17.09% | 60.99% |
| Sector | Technology Stocks | 35.99% | 15.18% | 48.83% |
| Idea | Semiconductor Stocks List | 48.16% | 6.95% | 44.89% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 3.73M | 13.11% | $139.32M |
| Blackrock funding, inc. /de | 3.90M | 13.10% | $86.53M |
| Vanguard group | 2.42M | 8.07% | $48.03M |
| Manufacturers life insurance company, the | 1.57M | 5.28% | $34.89M |
| Dimensional fund advisors lp | 1.56M | 5.25% | $34.65M |
| State street | 1.40M | 4.70% | $31.06M |
| Wellington management group llp | 694.81K | 2.33% | $15.40M |
| Geode capital management | 628.67K | 2.11% | $13.93M |
| Two sigma investments, lp | 553.01K | 1.85% | $12.25M |
| Fmr | 544.71K | 1.83% | $12.07M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Gagnon advisors | 120.20K | 1.96% | $2.66M |
| Gagnon securities | 167.87K | 0.86% | $3.72M |
| Mork capital management | 45.00K | 0.71% | $997.20K |
| Uniplan investment counsel | 150.15K | 0.34% | $3.33M |
| Oberweis asset management inc/ | 271.10K | 0.29% | $7.58M |
| Numerai gp | 97.97K | 0.22% | $2.17M |
| Counterpoint mutual funds | 24.71K | 0.12% | $1.17M |
| Royce & associates lp | 518.12K | 0.11% | $11.48M |
| Redwood wealth management group | 11.34K | 0.11% | $251.23K |
| Arosa capital management lp | 30.00K | 0.10% | $664.80K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Two sigma investments, lp | 553.01K | 0.01% | 274.89K |
| Jacobs levy equity management | 353.91K | 0.03% | 229.16K |
| Congress asset management co /ma | 203.46K | 0.06% | 203.46K |
| Vanguard fiduciary trust | 162.94K | 0.00% | 162.94K |
| Millennium management | 197.78K | 0.00% | 137.80K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Hood river capital management | - | - | -1.99M |
| Robeco schweiz | - | - | -785.26K |
| Boston partners | - | - | -689.14K |
| Clearline capital lp | - | - | -372.78K |
| Wellington management group llp | 694.81K | 0.00% | -331.14K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Congress asset management co /ma | 203.46K | 0.06% | 203.46K | $9.63M |
| Vanguard fiduciary trust | 162.94K | 0.00% | 162.94K | $3.61M |
| Point72 asset management | 129.29K | 0.00% | 129.29K | $2.87M |
| Panagora asset management | 58.78K | 0.00% | 58.78K | $1.30M |
| Jump financial | 41.50K | 0.01% | 41.50K | $919.64K |
Sold Out
| Holder | Change |
|---|---|
| Clearstead advisors | -1.00 |
| Allspring global investments | -3.00 |
| Wealthtrak capital management | -5.00 |
| Td capital management | -8.00 |
| Yankcom partnership | -10.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 78 | -54.91% | 6,535,302 | -70.85% | 21 | 0.39% | 34 | -60.92% | 25 | -56.14% |
| Dec 31, 2025 | 48 | -74.87% | 3,787,582 | -82.89% | 12 | 0.23% | 17 | -83.81% | 23 | -52.08% |
| Sep 30, 2025 | 78 | -52.44% | 5,405,944 | -74.12% | 18 | 0.36% | 39 | -62.50% | 17 | -41.38% |
| Jun 30, 2025 | 169 | 4.97% | 21,702,848 | -4.08% | 73 | 1.26% | 104 | 57.58% | 33 | -44.07% |
| Mar 31, 2025 | 160 | -14.89% | 22,622,801 | 10.02% | 76 | 1.54% | 65 | -33.67% | 60 | 13.21% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.50M | 5.00% | 260.00 |
| State Street® SPDR® S&P® Smcndctr ETF | 1.37M | 4.58% | - |
| Hood River Small-Cap Growth Instl | 1.34M | 4.49% | 577.98K |
| RobecoSAM Smart Energy B EUR | 770.00K | 2.59% | - |
| Robeco Smart Energy F-EUR Cap | 770.00K | 2.57% | - |
| Vanguard Total Stock Mkt Idx Inv | 759.08K | 2.54% | 10.00K |
| Vanguard US Total Market Shares ETF | 726.32K | 2.47% | - |
| iShares Russell 2000 ETF | 652.80K | 2.18% | 3.86K |
| Vanguard Information Technology ETF | 639.08K | 2.14% | 4.80K |
| Invesco Semiconductors ETF | 593.89K | 2.00% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 16, 2026 | Xue Bing | EVP-WW Sales & Bus Development | Sell | $29.74K |
| Jun 16, 2026 | Xue Bing | EVP-WW Sales & Bus Development | Sell | $231.49K |
| May 22, 2026 | Chen Claudia | - | Sell | $8.80K |
| May 22, 2026 | Chen Claudia | - | Sell | $151.74K |
| May 18, 2026 | Xue Bing | EVP-WW Sales & Bus Development | Sell | $201.56K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 1 |
| 2026 Q2 | - | 13 |
| 2026 Q1 | 1 | 3 |
| 2025 Q4 | - | 2 |
| 2025 Q3 | - | - |
AOSL Ownership FAQ
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