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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, Q4 2021

Institutional positions in Alpha & Omega Semiconductor Ltd as of Dec 31, 2021. 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
178
+48 vs. Q3 2021
Shares held
15.1M
+142.6K (+1.0%) vs. Q3 2021
Total value
$908.1M
+$440.6M (+94.3%) vs. Q3 2021
New holders
59
45 more added
Sold out
11
51 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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.

Institutional holdersQ4 2021: 178 institutions
Q1 2021: 126 institutionsQ2 2021: 126 institutionsQ3 2021: 131 institutionsQ4 2021: 178 institutionsQ1 2022: 207 institutionsQ2 2022: 186 institutionsQ3 2022: 176 institutionsQ4 2022: 164 institutionsQ1 2023: 145 institutionsQ2 2023: 145 institutionsQ3 2023: 141 institutionsQ4 2023: 144 institutionsQ1 2024: 141 institutionsQ2 2024: 166 institutionsQ3 2024: 173 institutionsQ4 2024: 177 institutionsQ1 2025: 156 institutionsQ2 2025: 165 institutionsQ3 2025: 185 institutionsQ4 2025: 168 institutionsQ1 2026: 180 institutionsQ2 2026: 216 institutions
Value heldQ4 2021: $908.1M
Q1 2021: $506.9MQ2 2021: $461.6MQ3 2021: $467.4MQ4 2021: $908.1MQ1 2022: $864.5MQ2 2022: $605.3MQ3 2022: $568.4MQ4 2022: $508.9MQ1 2023: $472.2MQ2 2023: $570.9MQ3 2023: $521.4MQ4 2023: $472.7MQ1 2024: $421.7MQ2 2024: $727.5MQ3 2024: $725.9MQ4 2024: $760.3MQ1 2025: $562.6MQ2 2025: $557.1MQ3 2025: $619.0MQ4 2025: $444.2MQ1 2026: $490.1MQ2 2026: $1.08B
Institutions holding AOSL and their total value by quarter
QuarterHoldersValue
Q2 2026216$1.08B
Q1 2026180$490.1M
Q4 2025168$444.2M
Q3 2025185$619.0M
Q2 2025165$557.1M
Q1 2025156$562.6M
Q4 2024177$760.3M
Q3 2024173$725.9M
Q2 2024166$727.5M
Q1 2024141$421.7M
Q4 2023144$472.7M
Q3 2023141$521.4M
Q2 2023145$570.9M
Q1 2023145$472.2M
Q4 2022164$508.9M
Q3 2022176$568.4M
Q2 2022186$605.3M
Q1 2022207$864.5M
Q4 2021178$908.1M
Q3 2021131$467.4M
Q2 2021126$461.6M
Q1 2021126$506.9M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q3 2021.

Institutions holding AOSL in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP1,859,536$112.6M0.03%−64,037−3.3%Reduced
Vanguard Group Inc1,642,937$99.5M0.00%+277,380+20.3%Added
BlackRock Inc.1,453,927$88.1M0.00%−7,989−0.5%Reduced
State Street Corp901,877$54.6M0.00%+71,567+8.6%Added
FMR LLC805,296$48.8M0.00%00.0%Unchanged
Gagnon Securities LLC659,982$40.0M5.99%−87,945−11.8%Reduced
Geode Capital Management, LLC481,611$29.2M0.00%+13,540+2.9%Added
Gagnon Advisors, LLC398,569$24.1M9.59%−32,252−7.5%Reduced
Renaissance Technologies LLC314,388$19.0M0.02%−155,212−33.1%Reduced
Two Sigma Advisers, LP267,400$16.2M0.04%−22,900−7.9%Reduced
Peregrine Capital Management LLC257,755$15.6M0.31%+257,755New
Royce & Associates LP245,996$14.9M0.11%−321,200−56.6%Reduced
Two Sigma Investments, LP243,566$14.8M0.04%+3,419+1.4%Added
Northern Trust Corp240,467$14.6M0.00%+12,878+5.7%Added
Nuveen Asset Management, LLC253,511$12.4M0.00%+32,117+14.5%Added
Acadian Asset Management LLC197,669$12.0M0.04%−57,247−22.5%Reduced
JPMorgan Chase & Co193,450$11.7M0.00%−2,824−1.4%Reduced
Invesco Ltd.184,804$11.2M0.00%+149,714+426.7%Added
Uniplan Investment Counsel, Inc.182,873$11.1M0.62%−47,145−20.5%Reduced
LSV Asset Management179,400$10.9M0.02%+87,227+94.6%Added
Panagora Asset Management Inc141,646$8.58M0.05%−5,082−3.5%Reduced
Penserra Capital Management LLC134,346$8.13M0.17%+134,346New
Morgan Stanley131,257$7.95M0.00%+11,045+9.2%Added
Hillsdale Investment Management Inc.127,417$7.72M0.52%−13,395−9.5%Reduced
Charles Schwab Investment Management Inc126,327$7.65M0.00%+2,529+2.0%Added
Bridgeway Capital Management, LLC111,449$6.75M0.13%00.0%Unchanged
Arrowstreet Capital, Limited Partnership105,733$6.40M0.01%−62,777−37.3%Reduced
Friess Associates LLC100,513$6.09M2.38%+100,513New
D. E. Shaw & Co., Inc.98,762$5.98M0.01%−123,270−55.5%Reduced
Wells Fargo & Company87,569$5.30M0.00%−13,985−13.8%Reduced
Voloridge Investment Management, LLC86,811$5.26M0.03%+86,811New
Hennessy Advisors Inc84,400$5.11M0.29%−3,000−3.4%Reduced
American Century Companies Inc82,306$4.98M0.00%+33,848+69.9%Added
Cubist Systematic Strategies, LLC81,347$4.93M0.05%+35,762+78.5%Added
Parametric Portfolio Associates LLC77,299$4.68M0.00%−9,554−11.0%Reduced
Mork Capital Management, LLC77,100$4.67M3.16%00.0%Unchanged
Bank of New York Mellon Corp76,708$4.64M0.00%+522+0.7%Added
Ameriprise Financial Inc76,490$4.63M0.00%+76,490New
Oberweis Asset Management Inc74,000$4.48M0.82%00.0%Unchanged
Foundry Partners, LLC72,415$4.38M0.16%−19,545−21.3%Reduced
SEI Investments Co70,793$4.29M0.01%+70,793New
Kennedy Capital Management, Inc.70,103$4.25M0.09%−35,251−33.5%Reduced
Susquehanna International Group, LLP65,322$3.96M0.01%+42,292+183.6%Added
State of Wisconsin Investment Board58,768$3.56M0.01%+1,800+3.2%Added
Citadel Advisors LLC58,235$3.53M0.00%+25,739+79.2%Added
Putnam Investments LLC51,026$3.09M0.00%+51,026New
Millennium Management LLC51,004$3.09M0.00%−213,151−80.7%Reduced
Jacobs Levy Equity Management, Inc49,945$3.02M0.02%−115,308−69.8%Reduced
Swiss National Bank46,100$2.79M0.00%00.0%Unchanged
Massachusetts Financial Services Co44,841$2.72M0.00%−909−2.0%Reduced
AQR Capital Management LLC44,499$2.69M0.00%−18,696−29.6%Reduced
Paradiem, LLC58,616$2.64M0.86%+58,616New
Jane Street Group, LLC42,895$2.60M0.01%+28,391+195.7%Added
Deutsche Bank AG42,854$2.60M0.00%+29,895+230.7%Added
Los Angeles Capital Management LLC41,197$2.50M0.01%−57,689−58.3%Reduced
Norges Bank40,200$2.44M0.00%00.0%Unchanged
Goldman Sachs Group Inc35,753$2.17M0.00%−100,185−73.7%Reduced
First Trust Advisors LP34,371$2.08M0.00%+4,680+15.8%Added
Zacks Investment Management33,117$2.01M0.03%−2,624−7.3%Reduced
Navellier & Associates Inc32,739$1.98M0.29%+2,114+6.9%Added
Allspring Global Investments Holdings, LLC32,304$1.96M0.00%+32,304New
SummerHaven Investment Management, LLC31,174$1.89M1.02%00.0%Unchanged
Principal Financial Group Inc30,889$1.87M0.00%+30,889New
Janus Henderson Group PLC30,797$1.86M0.00%+12,485+68.2%Added
HighTower Advisors, LLC30,610$1.86M0.00%+30,610New
Victory Capital Management Inc30,541$1.85M0.00%+87+0.3%Added
PEAK6 Investments LLC29,600$1.79M0.05%+29,600New
California State Teachers Retirement System29,362$1.78M0.00%+898+3.2%Added
UBS Group AG29,023$1.76M0.00%+17,176+145.0%Added
Russell Investments Group, Ltd.28,762$1.74M0.00%−14,992−34.3%Reduced
ExodusPoint Capital Management, LP28,546$1.73M0.02%+18,123+173.9%Added
PDT Partners, LLC28,200$1.71M0.13%00.0%Unchanged
Credit Suisse AG26,406$1.60M0.00%+13,451+103.8%Added
Barclays PLC25,907$1.57M0.00%+3,338+14.8%Added
Martingale Asset Management L P25,842$1.56M0.02%−15,412−37.4%Reduced
Alpha DNA Investment Management LLC25,374$1.54M0.98%−18,503−42.2%Reduced
Rhumbline Advisers23,819$1.44M0.00%+274+1.2%Added
Canada Pension Plan Investment Board21,900$1.33M0.00%+2,900+15.3%Added
Jackson Creek Investment Advisors LLC21,826$1.32M0.47%−17,074−43.9%Reduced
Affinity Investment Advisors, LLC20,236$1.23M0.49%−3,827−15.9%Reduced
Prelude Capital Management, LLC19,150$1.16M0.06%+19,150New
First Eagle Investment Management, LLC16,519$1.00M0.00%+2,990+22.1%Added
Horizon Investment Services, LLC16,520$1.00M0.46%+16,520New
Citigroup Inc15,002$909.0K0.00%+8,768+140.6%Added
New York State Common Retirement Fund14,979$907.0K0.00%+8+0.1%Added
CastleKnight Management LP14,900$902.0K0.33%+14,900New
Connor, Clark & Lunn Investment Management Ltd.14,778$895.0K0.00%−9,184−38.3%Reduced
Allianz Asset Management GmbH14,215$861.0K0.00%+14,215New
Price T Rowe Associates Inc14,161$858.0K0.00%+1,697+13.6%Added
Bank of America Corp13,647$827.0K0.00%+2,550+23.0%Added
Group One Trading, L.P.13,250$802.0K0.02%+13,250New
AE Wealth Management LLC12,818$776.0K0.01%−7,012−35.4%Reduced
Hennion & Walsh Asset Management, Inc.12,788$774.0K0.04%+292+2.3%Added
Golden Green, Inc.12,551$760.0K0.61%+12,551New
GWM Advisors LLC12,440$753.0K0.01%+12,440New
Royal Bank of Canada12,394$750.0K0.00%+3,206+34.9%Added
Squarepoint Ops LLC12,306$745.0K0.00%+1,455+13.4%Added
Wolverine Trading, LLC12,246$741.0K0.01%−2,662−17.9%Reduced
Gsa Capital Partners LLP11,990$726.0K0.09%−19,140−61.5%Reduced
Raymond James & Associates11,884$720.0K0.00%+11,884New