Alpha and Omega Semiconductor (AOSL) Institutional Ownership

$40.09 -0.51 (-1.25%)

As of 01:36 PM Eastern

Current Institutional Ownership Percentage: 78.97%
Number of Institutional Buyers (last 12 months): 95
Total Institutional Inflows (last 12 months): $112.20M

Number of Institutional Sellers (last 12 months): 43
Total Institutional Outflows (last 12 months): $53.86M

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AOSL Institutional Buying and Selling by Quarter

Alpha and Omega Semiconductor Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/19/2026	Bank of America Corp DE	127,692	$2.83M	0.0%	-42.3%	0.427%
5/18/2026	California State Teachers Retirement System	23,784	$527K	0.0%	-7.7%	0.079%
5/18/2026	Royal Bank of Canada	7,937	$175K	0.0%	-11.2%	0.027%
5/18/2026	Empowered Funds LLC	120,331	$2.67M	0.0%	+9.9%	0.402%
5/16/2026	The Manufacturers Life Insurance Company	1,574,462	$34.89M	0.0%	-3.3%	5.260%
5/16/2026	Quantinno Capital Management LP	37,248	$825K	0.0%	+15.2%	0.124%
5/14/2026	Public Employees Retirement System of Ohio	9,628	$213K	0.0%	+1,361.0%	0.032%
5/13/2026	First Citizens Bank & Trust Co.	15,830	$351K	0.0%	N/A	0.053%
5/7/2026	Dimensional Fund Advisors LP	1,563,871	$34.65M	0.0%	-1.3%	5.255%
5/5/2026	Bank of New York Mellon Corp	139,534	$3.09M	0.0%	-4.0%	0.469%
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5/4/2026	Principal Financial Group Inc.	120,075	$2.66M	0.0%	+1.0%	0.403%
4/27/2026	Counterpoint Mutual Funds LLC	39,579	$877K	0.1%	N/A	0.133%
4/27/2026	New York State Teachers Retirement System	4,694	$104K	0.0%	-15.1%	0.016%
4/27/2026	Y Intercept Hong Kong Ltd	35,370	$784K	0.0%	N/A	0.119%
4/24/2026	Redwood Wealth Management Group LLC	11,337	$251K	0.1%	-19.5%	0.038%
4/24/2026	Peregrine Capital Management LLC	161,821	$3.59M	0.1%	-8.8%	0.544%
4/21/2026	Louisiana State Employees Retirement System	11,000	$244K	0.0%	N/A	0.037%
4/16/2026	SG Americas Securities LLC	72,458	$1.61M	0.0%	-7.8%	0.243%
2/19/2026	Invesco Ltd.	381,767	$7.56M	0.0%	+19.8%	1.283%
2/18/2026	Summit Global Investments	11,238	$223K	0.0%	N/A	0.038%
2/18/2026	Empowered Funds LLC	109,541	$2.17M	0.0%	+106.7%	0.368%
2/18/2026	XTX Topco Ltd	37,263	$738K	0.0%	N/A	0.125%
2/18/2026	Uniplan Investment Counsel Inc.	152,820	$3.03M	0.9%	-4.8%	0.514%
2/18/2026	Susquehanna Portfolio Strategies LLC	66,647	$1.32M	0.0%	-24.9%	0.224%
2/18/2026	Tudor Investment Corp ET AL	15,401	$305K	0.0%	+41.1%	0.052%
2/18/2026	Numerai GP LLC	120,155	$2.38M	0.3%	+34.0%	0.404%
2/18/2026	Millennium Management LLC	59,983	$1.19M	0.0%	-90.6%	0.202%
2/18/2026	Engineers Gate Manager LP	45,654	$904K	0.0%	+64.9%	0.153%
2/18/2026	Bridgeway Capital Management LLC	129,541	$2.57M	0.1%	+77.5%	0.435%
2/17/2026	AQR Capital Management LLC	82,032	$1.63M	0.0%	+36.5%	0.276%
2/17/2026	Trexquant Investment LP	151,630	$3.00M	0.0%	+743.8%	0.509%
2/17/2026	Price T Rowe Associates Inc. MD	27,858	$552K	0.0%	+4.6%	0.094%
2/17/2026	Arosa Capital Management LP	30,000	$594K	0.1%	N/A	0.101%
2/17/2026	California State Teachers Retirement System	25,763	$510K	0.0%	+12.1%	0.087%
2/17/2026	Russell Investments Group Ltd.	205,775	$4.08M	0.0%	+8.2%	0.691%
2/17/2026	State of Wisconsin Investment Board	39,768	$788K	0.0%	-30.1%	0.134%
2/17/2026	Royal Bank of Canada	8,938	$177K	0.0%	+9.2%	0.030%
2/16/2026	Verition Fund Management LLC	75,837	$1.50M	0.0%	-7.0%	0.255%
2/16/2026	Barclays PLC	42,576	$843K	0.0%	-48.5%	0.143%
2/13/2026	The Manufacturers Life Insurance Company	1,628,634	$32.26M	0.0%	+4.7%	5.473%
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2/13/2026	Jacobs Levy Equity Management Inc.	124,751	$2.47M	0.0%	N/A	0.419%
2/13/2026	Public Sector Pension Investment Board	86,383	$1.71M	0.0%	-10.4%	0.290%
2/13/2026	Charles Schwab Investment Management Inc.	393,773	$7.80M	0.0%	+14.3%	1.323%
2/13/2026	State Street Corp	1,474,175	$29.20M	0.0%	+21.6%	4.954%
2/13/2026	Boston Partners	689,143	$13.66M	0.0%	-12.4%	2.316%
2/13/2026	Dynamic Technology Lab Private Ltd	12,515	$248K	0.1%	N/A	0.042%
2/13/2026	Wells Fargo & Company MN	29,571	$586K	0.0%	+43.0%	0.099%
2/12/2026	Renaissance Technologies LLC	10,500	$208K	0.0%	N/A	0.035%
2/12/2026	Dimensional Fund Advisors LP	1,584,028	$31.38M	0.0%	-6.1%	5.323%
2/12/2026	Swiss National Bank	50,400	$998K	0.0%	+2.6%	0.169%
2/11/2026	Empowered Funds LLC	109,541	$2.17M	0.0%	+106.7%	0.368%
2/11/2026	Deutsche Bank AG	47,059	$932K	0.0%	+1.8%	0.158%
2/11/2026	Franklin Resources Inc.	20,281	$402K	0.0%	+5.5%	0.068%
2/11/2026	JPMorgan Chase & Co.	237,563	$4.71M	0.0%	+49.6%	0.798%
2/11/2026	WINTON GROUP Ltd	137,265	$2.72M	0.1%	+189.9%	0.461%
2/10/2026	Goldman Sachs Group Inc.	447,020	$8.86M	0.0%	+20.7%	1.502%
2/10/2026	AXQ Capital LP	20,511	$406K	0.1%	N/A	0.069%
2/10/2026	Intech Investment Management LLC	14,476	$287K	0.0%	+11.8%	0.049%
2/9/2026	Geode Capital Management LLC	611,089	$12.11M	0.0%	+0.6%	2.053%
2/9/2026	Royce & Associates LP	474,015	$9.39M	0.1%	+10.9%	1.593%
1/30/2026	New York State Teachers Retirement System	5,528	$110K	0.0%	-14.1%	0.018%
1/29/2026	Weber Capital Management LLC ADV	547,308	$10.84M	10.2%	N/A	1.821%
1/29/2026	UBS Group AG	217,121	$4.30M	0.0%	+224.7%	0.722%
1/29/2026	Teachers Retirement System of The State of Kentucky	6,048	$120K	0.0%	-11.4%	0.020%
1/29/2026	Vanguard Group Inc.	2,424,320	$48.03M	0.0%	-1.2%	8.065%
1/28/2026	Peregrine Capital Management LLC	177,422	$3.52M	0.1%	-20.1%	0.590%
1/27/2026	Zurcher Kantonalbank Zurich Cantonalbank	7,926	$157K	0.0%	+79.9%	0.026%
1/22/2026	Massachusetts Financial Services Co. MA	28,439	$563K	0.0%	N/A	0.095%
1/9/2026	SG Americas Securities LLC	78,548	$1.56M	0.0%	-38.3%	0.261%
1/5/2026	GAMMA Investing LLC	2,501	$50K	0.0%	-39.1%	0.008%
1/1/2026	JPMorgan Chase & Co.	158,844	$4.44M	0.0%	+72.4%	0.528%
1/1/2026	Tudor Investment Corp ET AL	10,913	$305K	0.0%	-75.5%	0.036%
12/9/2025	Tudor Investment Corp ET AL	10,913	$305K	0.0%	-75.5%	0.036%
11/18/2025	Acuitas Investments LLC	240,920	$6.74M	4.3%	+38.6%	0.801%
11/17/2025	Oberweis Asset Management Inc.	271,100	$7.58M	0.3%	+11.0%	0.902%
11/17/2025	Verition Fund Management LLC	81,513	$2.28M	0.0%	+31.5%	0.271%
11/17/2025	Northwestern Mutual Wealth Management Co.	2,205	$62K	0.0%	N/A	0.007%
11/17/2025	Numerai GP LLC	89,695	$2.51M	0.4%	+37.6%	0.298%
11/17/2025	Millennium Management LLC	637,876	$17.84M	0.0%	+57.5%	2.122%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	11,727	$328K	0.0%	-14.7%	0.039%
11/17/2025	Jain Global LLC	10,800	$302K	0.0%	N/A	0.036%
11/17/2025	Bank of America Corp DE	179,297	$5.01M	0.0%	-26.1%	0.596%
11/17/2025	Algert Global LLC	63,319	$1.77M	0.0%	+64.3%	0.211%
11/17/2025	Ameriprise Financial Inc.	47,104	$1.32M	0.0%	-5.6%	0.157%
11/14/2025	Creative Planning	11,993	$335K	0.0%	+24.2%	0.040%
11/14/2025	Raymond James Financial Inc.	30,612	$856K	0.0%	+38.2%	0.102%
11/14/2025	Brooklyn Investment Group	10,676	$299K	0.0%	-28.8%	0.036%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	38,128	$1.07M	0.0%	-40.7%	0.127%
11/14/2025	Two Sigma Investments LP	162,320	$4.54M	0.0%	-17.6%	0.540%
11/14/2025	Bridgeway Capital Management LLC	72,983	$2.04M	0.0%	+189.8%	0.243%
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11/14/2025	Squarepoint Ops LLC	22,525	$630K	0.0%	+7.7%	0.075%
11/14/2025	iSAM Funds UK Ltd	3,261	$91K	0.0%	N/A	0.011%
11/14/2025	Wellington Management Group LLP	864,965	$24.18M	0.0%	+15.0%	2.877%
11/13/2025	Boston Partners	786,630	$21.99M	0.0%	-29.1%	2.618%
11/13/2025	Invesco Ltd.	318,633	$8.91M	0.0%	-2.9%	1.061%
11/13/2025	Sei Investments Co.	103,072	$2.88M	0.0%	-0.6%	0.343%
11/13/2025	UBS Group AG	66,867	$1.87M	0.0%	+204.8%	0.223%
11/13/2025	BNP Paribas Financial Markets	6,123	$171K	0.0%	+146.1%	0.020%
11/13/2025	Franklin Resources Inc.	19,228	$538K	0.0%	+44.3%	0.064%
11/13/2025	FourThought Financial Partners LLC	7,679	$215K	0.0%	N/A	0.026%

AOSL Institutional Ownership - Frequently Asked Questions

During the previous two years, 167 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 149 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 4,774,816 shares in the last 24 months. This purchase volume represents approximately $112.20M in transactions.

Of the 43 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 2,302,581 shares in the last 24 months. This volume of shares sold represents approximately $53.86M in transactions.

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This page (NASDAQ:AOSL) was last updated on 5/21/2026 by MarketBeat.com Staff.

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Alpha and Omega Semiconductor (AOSL) Institutional Ownership

AOSL Institutional Buying and Selling by Quarter

Alpha and Omega Semiconductor Major Shareholders & Ownership History

AOSL Institutional Ownership - Frequently Asked Questions

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Alpha and Omega Semiconductor (AOSL) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Alpha and Omega Semiconductor (NASDAQ:AOSL)

AOSL Institutional Buying and Selling by Quarter

Alpha and Omega Semiconductor Major Shareholders & Ownership History

AOSL Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AOSL shares?

What percentage of Alpha and Omega Semiconductor's stock is owned by institutional investors?

Which institutional investors have been buying Alpha and Omega Semiconductor's stock?

How much institutional buying is happening at Alpha and Omega Semiconductor?

Which of Alpha and Omega Semiconductor's major shareholders have been selling company stock?

How much institutional selling is happening at Alpha and Omega Semiconductor?

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