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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 2025

Institutional positions in Alpha & Omega Semiconductor Ltd as of Dec 31, 2025. 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
168
−17 vs. Q3 2025
Shares held
22.4M
+280.1K (+1.3%) vs. Q3 2025
Total value
$444.2M
−$174.7M (−28.2%) vs. Q3 2025
New holders
27
61 more added
Sold out
44
57 more reduced

Compare with Q3 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.

Institutional holdersQ4 2025: 168 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 2025: $444.2M
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 2025

Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q3 2025.

Institutions holding AOSL in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Police & Firemen's Retirement System of New Jersey6,827$135.2K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA6,193$122.7K0.00%+70+1.1%Added
Teachers Retirement System of the State of Kentucky6,048$120.0K0.00%−776−11.4%Reduced
Oregon Public Employees Retirement Fund5,756$114.0K0.00%+196+3.5%Added
State of Tennessee, Treasury Department5,076$112.2K0.00%−401−7.3%Reduced
New York State Teachers Retirement System5,528$110.0K0.00%−909−14.1%Reduced
KLP Kapitalforvaltning AS5,500$109.0K0.00%+1,000+22.2%Added
Eastern Bank4,676$92.6K0.00%00.0%Unchanged
Canada Pension Plan Investment Board3,100$61.4K0.00%+300+10.7%Added
GAMMA Investing LLC2,501$49.5K0.00%−1,608−39.1%Reduced
Strengthening Families & Communities, LLC2,500$49.5K0.02%00.0%Unchanged
Ameritas Investment Partners, Inc.2,305$45.7K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co2,205$43.7K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,507$29.9K0.00%−176−10.5%Reduced
Sterling Capital Management LLC1,437$28.5K0.00%−291−16.8%Reduced
CWM, LLC1,088$22.0K0.00%−1,226−53.0%Reduced
Federated Hermes, Inc.975$19.3K0.00%+975New
Versant Capital Management, Inc962$19.1K0.00%−926−49.0%Reduced
Nisa Investment Advisors, LLC906$17.9K0.00%−209−18.7%Reduced
Hantz Financial Services, Inc.872$17.0K0.00%−164−15.8%Reduced
US Bancorp792$15.7K0.00%+41+5.5%Added
Tower Research Capital LLC (TRC)745$14.8K0.00%−2,304−75.6%Reduced
Group One Trading, L.P.694$13.7K0.00%+694New
Public Employees Retirement System of Ohio659$13.1K0.00%+98+17.5%Added
Advisor Group Holdings, Inc.543$10.8K0.00%−190−25.9%Reduced
Bryn Mawr Trust Co500$9.90K0.00%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.414$8.00K0.00%+414New
Global Retirement Partners, LLC346$6.85K0.00%00.0%Unchanged
Smartleaf Asset Management LLC301$6.01K0.00%+293+3,662.5%Added
Allworth Financial LP232$4.60K0.00%−57−19.7%Reduced
SBI Securities Co., Ltd.223$4.42K0.00%−53−19.2%Reduced
Jones Financial Companies LLLP206$4.08K0.00%+6+3.0%Added
City State Bank200$3.96K0.00%00.0%Unchanged
Fifth Third Bancorp182$3.60K0.00%−74−28.9%Reduced
SRS Capital Advisors, Inc.166$3.29K0.00%−635−79.3%Reduced
Bessemer Group Inc150$3.00K0.00%+71+89.9%Added
Umb Bank N A131$2.60K0.00%−48−26.8%Reduced
UMA Financial Services, Inc.124$2.46K0.00%+73+143.1%Added
Pinnacle Wealth Planning Services, Inc.107$2.12K0.00%+107New
Parkside Financial Bank & Trust101$2.00K0.00%+76+304.0%Added
Signaturefd, LLC96$1.90K0.00%−587−85.9%Reduced
Optiver Holding B.V.70$1.39K0.00%−64−47.8%Reduced
Quarry LP66$1.31K0.00%+19+40.4%Added
Fortitude Family Office, LLC65$1.29K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.57$1.13K0.00%00.0%Unchanged
Quadrant Capital Group LLC54$1.07K0.00%00.0%Unchanged
Avion Wealth51$1.00K0.00%+28+121.7%Added
Rachor Investment Advisory Services, LLC47$9320.00%+47New
Advisors Asset Management, Inc.39$7730.00%−3−7.1%Reduced
Picton Mahoney Asset Management32$6340.00%00.0%Unchanged
True Wealth Design, LLC28$5550.00%−32−53.3%Reduced
Barrow Hanley Mewhinney & Strauss LLC28$5550.00%+28New
Bare Financial Services, Inc23$4560.00%+23New
Basecamp Wealth Advisors LLC19$3760.00%+19New
Kilter Group LLC18$3570.00%+18New
Farmers & Merchants Investments Inc16$3170.00%00.0%Unchanged
Massmutual Trust Co FSB14$2770.00%−93−86.9%Reduced
EverSource Wealth Advisors, LLC13$2580.00%−18−58.1%Reduced
Rockefeller Capital Management L.P.10$1980.00%−130−92.9%Reduced
YANKCOM Partnership10$1980.00%+10New
Rothschild Investment LLC9$1780.00%−6−40.0%Reduced
Larson Financial Group LLC8$1580.00%−105−92.9%Reduced
CIBC Private Wealth Group, LLC7$1390.00%+6+600.0%Added
HHM Wealth Advisors, LLC6$1190.00%00.0%Unchanged
Farther Finance Advisors, LLC4$790.00%−75−94.9%Reduced
Parallel Advisors, LLC2$400.00%00.0%Unchanged
Huntington National Bank1$200.00%−157−99.4%Reduced
Covestor Ltd2$00.00%−1,164−99.8%Reduced
Robeco Schweiz AG0$00.00%−785,264−100.0%Sold out
First Eagle Investment Management, LLC0$00.00%−326,608−100.0%Sold out
Oberweis Asset Management Inc0$00.00%−271,100−100.0%Sold out
Acuitas Investments, LLC0$00.00%−240,920−100.0%Sold out
First Trust Advisors LP0$00.00%−29,041−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−27,948−100.0%Sold out
Squarepoint Ops LLC0$00.00%−22,525−100.0%Sold out
Skopos Labs, Inc.0$00.00%−16,517−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−12,494−100.0%Sold out
Marshall Wace, LLP0$00.00%−12,218−100.0%Sold out
Versor Investments LP0$00.00%−12,054−100.0%Sold out
Creative Planning0$00.00%−11,993−100.0%Sold out
Neuberger Berman Group LLC0$00.00%−11,519−100.0%Sold out
Jain Global LLC0$00.00%−10,800−100.0%Sold out
Gotham Asset Management, LLC0$00.00%−9,978−100.0%Sold out
Journey Strategic Wealth LLC0$00.00%−9,658−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−9,524−100.0%Sold out
First Citizens Bank & Trust Co0$00.00%−9,263−100.0%Sold out
Envestnet Portfolio Solutions, Inc.0$00.00%−8,902−100.0%Sold out
Overbrook Management Corp0$00.00%−8,304−100.0%Sold out
HighTower Advisors, LLC0$00.00%−7,735−100.0%Sold out
FourThought Financial Partners, LLC0$00.00%−7,679−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−7,529−100.0%Sold out
Yousif Capital Management, LLC0$00.00%−7,501−100.0%Sold out
Arizona State Retirement System0$00.00%−7,459−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−7,399−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−3,261−100.0%Sold out
STRS Ohio0$00.00%−2,800−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−288−100.0%Sold out
Transamerica Financial Advisors, Inc.0$00.00%−262−100.0%Sold out
Truvestments Capital LLC0$00.00%−228−100.0%Sold out
Salomon & Ludwin, LLC0$00.00%−218−100.0%Sold out