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Alpha and Omega Semiconductor (AOSL) Institutional Ownership

Alpha and Omega Semiconductor logo
$34.56 -1.52 (-4.21%)
As of 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Alpha and Omega Semiconductor (NASDAQ:AOSL)

Current
Institutional Ownership
Percentage
78.97%
Number of
Institutional Buyers
(last 12 months)
83
Total
Institutional Inflows
(last 12 months)
$100.92M
Number of
Institutional Sellers
(last 12 months)
42
Total
Institutional Outflows
(last 12 months)
$53.90M
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AOSL Institutional Buying and Selling by Quarter

Alpha and Omega Semiconductor Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2026 Wedge Capital Management L L P NC91,440$4.33M0.1%-18.8%0.306%
5/19/2026Bank of America Corp DE127,692$2.83M0.0%-42.3%0.427%
5/18/2026California State Teachers Retirement System23,784$527K0.0%-7.7%0.079%
5/18/2026Royal Bank of Canada7,937$175K0.0%-11.2%0.027%
5/18/2026Empowered Funds LLC120,331$2.67M0.0%+9.9%0.402%
5/16/2026The Manufacturers Life Insurance Company1,574,462$34.89M0.0%-3.3%5.260%
5/16/2026Quantinno Capital Management LP37,248$825K0.0%+15.2%0.124%
5/14/2026Public Employees Retirement System of Ohio9,628$213K0.0%+1,361.0%0.032%
5/13/2026 First Citizens Bank & Trust Co.15,830$351K0.0%N/A0.053%
5/7/2026Dimensional Fund Advisors LP1,563,871$34.65M0.0%-1.3%5.255%
5/5/2026 Bank of New York Mellon Corp139,534$3.09M0.0%-4.0%0.469%
5/4/2026 Principal Financial Group Inc.120,075$2.66M0.0%+1.0%0.403%
4/27/2026 Counterpoint Mutual Funds LLC39,579$877K0.1%N/A0.133%
4/27/2026 New York State Teachers Retirement System4,694$104K0.0%-15.1%0.016%
4/27/2026 Y Intercept Hong Kong Ltd35,370$784K0.0%N/A0.119%
4/24/2026 Redwood Wealth Management Group LLC11,337$251K0.1%-19.5%0.038%
4/24/2026 Peregrine Capital Management LLC161,821$3.59M0.1%-8.8%0.544%
4/21/2026 Louisiana State Employees Retirement System11,000$244K0.0%N/A0.037%
4/16/2026 SG Americas Securities LLC72,458$1.61M0.0%-7.8%0.243%
2/19/2026Invesco Ltd.381,767$7.56M0.0%+19.8%1.283%
2/18/2026 Summit Global Investments11,238$223K0.0%N/A0.038%
2/18/2026Empowered Funds LLC109,541$2.17M0.0%+106.7%0.368%
2/18/2026XTX Topco Ltd37,263$738K0.0%N/A0.125%
2/18/2026Uniplan Investment Counsel Inc.152,820$3.03M0.9%-4.8%0.514%
2/18/2026Susquehanna Portfolio Strategies LLC66,647$1.32M0.0%-24.9%0.224%
2/18/2026Tudor Investment Corp ET AL15,401$305K0.0%+41.1%0.052%
2/18/2026Numerai GP LLC120,155$2.38M0.3%+34.0%0.404%
2/18/2026Millennium Management LLC59,983$1.19M0.0%-90.6%0.202%
2/18/2026Engineers Gate Manager LP45,654$904K0.0%+64.9%0.153%
2/18/2026Bridgeway Capital Management LLC129,541$2.57M0.1%+77.5%0.435%
2/17/2026AQR Capital Management LLC82,032$1.63M0.0%+36.5%0.276%
2/17/2026Trexquant Investment LP151,630$3.00M0.0%+743.8%0.509%
2/17/2026Price T Rowe Associates Inc. MD27,858$552K0.0%+4.6%0.094%
2/17/2026Arosa Capital Management LP30,000$594K0.1%N/A0.101%
2/17/2026California State Teachers Retirement System25,763$510K0.0%+12.1%0.087%
2/17/2026 Russell Investments Group Ltd.205,775$4.08M0.0%+8.2%0.691%
2/17/2026State of Wisconsin Investment Board39,768$788K0.0%-30.1%0.134%
2/17/2026Royal Bank of Canada8,938$177K0.0%+9.2%0.030%
2/16/2026Verition Fund Management LLC75,837$1.50M0.0%-7.0%0.255%
2/16/2026Barclays PLC42,576$843K0.0%-48.5%0.143%
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2/13/2026The Manufacturers Life Insurance Company 1,628,634$32.26M0.0%+4.7%5.473%
2/13/2026Jacobs Levy Equity Management Inc.124,751$2.47M0.0%N/A0.419%
2/13/2026Public Sector Pension Investment Board86,383$1.71M0.0%-10.4%0.290%
2/13/2026Charles Schwab Investment Management Inc.393,773$7.80M0.0%+14.3%1.323%
2/13/2026 State Street Corp1,474,175$29.20M0.0%+21.6%4.954%
2/13/2026 Boston Partners689,143$13.66M0.0%-12.4%2.316%
2/13/2026Dynamic Technology Lab Private Ltd12,515$248K0.1%N/A0.042%
2/13/2026Wells Fargo & Company MN29,571$586K0.0%+43.0%0.099%
2/12/2026Renaissance Technologies LLC10,500$208K0.0%N/A0.035%
2/12/2026Dimensional Fund Advisors LP1,584,028$31.38M0.0%-6.1%5.323%
2/12/2026Swiss National Bank50,400$998K0.0%+2.6%0.169%
2/11/2026Empowered Funds LLC109,541$2.17M0.0%+106.7%0.368%
2/11/2026 Deutsche Bank AG47,059$932K0.0%+1.8%0.158%
2/11/2026Franklin Resources Inc.20,281$402K0.0%+5.5%0.068%
2/11/2026JPMorgan Chase & Co.237,563$4.71M0.0%+49.6%0.798%
2/11/2026 WINTON GROUP Ltd137,265$2.72M0.1%+189.9%0.461%
2/10/2026Goldman Sachs Group Inc.447,020$8.86M0.0%+20.7%1.502%
2/10/2026 AXQ Capital LP20,511$406K0.1%N/A0.069%
2/10/2026Intech Investment Management LLC14,476$287K0.0%+11.8%0.049%
2/9/2026Geode Capital Management LLC611,089$12.11M0.0%+0.6%2.053%
2/9/2026Royce & Associates LP474,015$9.39M0.1%+10.9%1.593%
1/30/2026 New York State Teachers Retirement System5,528$110K0.0%-14.1%0.018%
1/29/2026Weber Capital Management LLC ADV547,308$10.84M10.2%N/A1.821%
1/29/2026UBS Group AG217,121$4.30M0.0%+224.7%0.722%
1/29/2026Teachers Retirement System of The State of Kentucky6,048$120K0.0%-11.4%0.020%
1/29/2026Vanguard Group Inc.2,424,320$48.03M0.0%-1.2%8.065%
1/28/2026 Peregrine Capital Management LLC177,422$3.52M0.1%-20.1%0.590%
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank7,926$157K0.0%+79.9%0.026%
1/22/2026 Massachusetts Financial Services Co. MA28,439$563K0.0%N/A0.095%
1/9/2026 SG Americas Securities LLC78,548$1.56M0.0%-38.3%0.261%
1/5/2026 GAMMA Investing LLC2,501$50K0.0%-39.1%0.008%
1/1/2026JPMorgan Chase & Co.158,844$4.44M0.0%+72.4%0.528%
1/1/2026Tudor Investment Corp ET AL10,913$305K0.0%-75.5%0.036%
12/9/2025Tudor Investment Corp ET AL10,913$305K0.0%-75.5%0.036%
11/18/2025 Acuitas Investments LLC240,920$6.74M4.3%+38.6%0.801%
11/17/2025Oberweis Asset Management Inc.271,100$7.58M0.3%+11.0%0.902%
11/17/2025Verition Fund Management LLC81,513$2.28M0.0%+31.5%0.271%
11/17/2025Northwestern Mutual Wealth Management Co.2,205$62K0.0%N/A0.007%
11/17/2025Numerai GP LLC89,695$2.51M0.4%+37.6%0.298%
11/17/2025Millennium Management LLC637,876$17.84M0.0%+57.5%2.122%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.11,727$328K0.0%-14.7%0.039%
11/17/2025Jain Global LLC10,800$302K0.0%N/A0.036%
11/17/2025Bank of America Corp DE179,297$5.01M0.0%-26.1%0.596%
11/17/2025Algert Global LLC63,319$1.77M0.0%+64.3%0.211%
11/17/2025Ameriprise Financial Inc.47,104$1.32M0.0%-5.6%0.157%
11/14/2025Creative Planning11,993$335K0.0%+24.2%0.040%
11/14/2025Raymond James Financial Inc.30,612$856K0.0%+38.2%0.102%
11/14/2025Brooklyn Investment Group10,676$299K0.0%-28.8%0.036%
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC38,128$1.07M0.0%-40.7%0.127%
11/14/2025Two Sigma Investments LP162,320$4.54M0.0%-17.6%0.540%
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11/14/2025Bridgeway Capital Management LLC72,983$2.04M0.0%+189.8%0.243%
11/14/2025Squarepoint Ops LLC22,525$630K0.0%+7.7%0.075%
11/14/2025iSAM Funds UK Ltd3,261$91K0.0%N/A0.011%
11/14/2025Wellington Management Group LLP864,965$24.18M0.0%+15.0%2.877%
11/13/2025 Boston Partners786,630$21.99M0.0%-29.1%2.618%
11/13/2025Invesco Ltd.318,633$8.91M0.0%-2.9%1.061%
11/13/2025Sei Investments Co.103,072$2.88M0.0%-0.6%0.343%
11/13/2025UBS Group AG66,867$1.87M0.0%+204.8%0.223%
11/13/2025BNP Paribas Financial Markets6,123$171K0.0%+146.1%0.020%
11/13/2025Franklin Resources Inc.19,228$538K0.0%+44.3%0.064%


AOSL Institutional Ownership - Frequently Asked Questions

During the previous two years, 164 institutional investors and hedge funds held shares of Alpha and Omega Semiconductor. The most heavily invested institutionals were Vanguard Group Inc. ($48.03M), Hood River Capital Management LLC ($42.16M), The Manufacturers Life Insurance Company ($34.89M), Dimensional Fund Advisors LP ($34.65M), State Street Corp ($29.20M), Wellington Management Group LLP ($24.18M), and Robeco Schweiz AG ($21.96M).Learn more on Alpha and Omega Semiconductor's institutional investors.

78.97% of Alpha and Omega Semiconductor's stock is owned by institutional investors. Learn more on AOSL's institutional investor holdings.

Of the 146 institutional investors that purchased Alpha and Omega Semiconductor's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Boston Partners ($1.26M), Hood River Capital Management LLC ($1.14M), Robeco Schweiz AG ($785.26K), Invesco Ltd. ($673.47K), Millennium Management LLC ($603.59K), State Street Corp ($596.77K), and Weber Capital Management LLC ADV ($547.31K).

Institutional investors have bought a total of 4,333,602 shares in the last 24 months. This purchase volume represents approximately $100.92M in transactions.

Of the 42 institutional investors that sold Alpha and Omega Semiconductor's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($577.89K), Invesco Ltd. ($440.88K), Boston Partners ($420.23K), Bank of America Corp DE ($157.09K), Dimensional Fund Advisors LP ($156.36K), Tudor Investment Corp ET AL ($67.14K), and Peregrine Capital Management LLC ($60.92K).

Institutional investors have sold a total of 2,285,474 shares in the last 24 months. This volume of shares sold represents approximately $53.90M in transactions.


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Institutional ownership data for NASDAQ:AOSL is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 7/10/2026. New 13F filings are added each quarter as they're published.
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