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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, Q3 2025

Institutional positions in Alpha & Omega Semiconductor Ltd as of Sep 30, 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
185
+20 vs. Q2 2025
Shares held
22.1M
+428.4K (+2.0%) vs. Q2 2025
Total value
$619.0M
+$61.9M (+11.1%) vs. Q2 2025
New holders
34
66 more added
Sold out
14
50 more reduced

Compare with Q2 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 holdersQ3 2025: 185 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 heldQ3 2025: $619.0M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q2 2025.

Institutions holding AOSL in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth23$00.00%−23−50.0%Reduced
CIBC Private Wealth Group, LLC1$280.00%00.0%Unchanged
Clearstead Advisors, LLC1$280.00%+1New
Parallel Advisors, LLC2$560.00%00.0%Unchanged
IFP Advisors, Inc6$1680.00%+6Added
HHM Wealth Advisors, LLC6$1680.00%00.0%Unchanged
Smartleaf Asset Management LLC8$2210.00%+1+14.3%Added
Wealthspire Advisors, LLC12$3360.00%+12New
Rothschild Investment LLC15$4190.00%−10−40.0%Reduced
Farmers & Merchants Investments Inc16$4470.00%00.0%Unchanged
Breakwater Investment Management17$4760.00%+17New
Essential Partners LLC18$5030.00%+10+125.0%Added
Financial Network Wealth Advisors LLC20$5590.00%00.0%Unchanged
Vermillion Wealth Management, Inc.21$5870.00%+21New
Advisors Asset Management, Inc.42$6650.00%−3−6.7%Reduced
Parkside Financial Bank & Trust25$6990.00%00.0%Unchanged
Tortoise Investment Management, LLC27$7550.00%+27New
EverSource Wealth Advisors, LLC31$8670.00%00.0%Unchanged
Picton Mahoney Asset Management32$1.00K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC46$1.29K0.00%+46New
Quarry LP47$1.31K0.00%+47New
UMA Financial Services, Inc.51$1.43K0.00%−21−29.2%Reduced
Stephens Consulting, LLC52$1.45K0.00%+52New
Quadrant Capital Group LLC54$1.51K0.00%+54New
Ronald Blue Trust, Inc.57$1.59K0.00%00.0%Unchanged
True Wealth Design, LLC60$1.68K0.00%+11+22.4%Added
Fortitude Family Office, LLC65$1.82K0.00%00.0%Unchanged
Bessemer Group Inc79$2.00K0.00%+72+1,028.6%Added
Farther Finance Advisors, LLC79$2.21K0.00%−1,722−95.6%Reduced
Spire Wealth Management100$2.80K0.00%00.0%Unchanged
Massmutual Trust Co FSB107$2.99K0.00%00.0%Unchanged
Larson Financial Group LLC113$3.16K0.00%+56+98.2%Added
Optiver Holding B.V.134$3.75K0.00%+134New
Rockefeller Capital Management L.P.140$3.91K0.00%+140New
Huntington National Bank158$4.42K0.00%00.0%Unchanged
Umb Bank N A179$5.00K0.00%+20+12.6%Added
City State Bank200$5.59K0.00%00.0%Unchanged
Jones Financial Companies LLLP200$5.69K0.00%−50−20.0%Reduced
Advisory Services Network, LLC205$5.73K0.00%+205New
Salomon & Ludwin, LLC218$6.15K0.00%+218New
Truvestments Capital LLC228$6.38K0.00%00.0%Unchanged
Fifth Third Bancorp256$7.16K0.00%+45+21.3%Added
Transamerica Financial Advisors, Inc.262$7.33K0.00%+262New
SBI Securities Co., Ltd.276$7.72K0.00%−30−9.8%Reduced
Caitong International Asset Management Co., Ltd288$8.05K0.01%+243+540.0%Added
Allworth Financial LP289$8.08K0.00%−339−54.0%Reduced
Global Retirement Partners, LLC346$9.67K0.00%00.0%Unchanged
Bryn Mawr Trust Co500$14.0K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio561$15.7K0.00%+58+11.5%Added
Signaturefd, LLC683$19.1K0.00%−2−0.3%Reduced
Advisor Group Holdings, Inc.733$20.8K0.00%+108+17.3%Added
US Bancorp751$21.0K0.00%−428−36.3%Reduced
SRS Capital Advisors, Inc.801$22.4K0.00%+639+394.4%Added
Hantz Financial Services, Inc.1,036$29.0K0.00%+895+634.8%Added
Nisa Investment Advisors, LLC1,115$31.2K0.00%+103+10.2%Added
Simplex Trading, LLC1,159$32.0K0.00%+1,159New
Covestor Ltd1,166$33.0K0.02%−5−0.4%Reduced
The PNC Financial Services Group, Inc.1,683$47.1K0.00%+150+9.8%Added
Sterling Capital Management LLC1,728$48.3K0.00%+1,090+170.8%Added
Versant Capital Management, Inc1,888$52.8K0.01%+194+11.5%Added
Northwestern Mutual Wealth Management Co2,205$61.7K0.00%+2,205New
Ameritas Investment Partners, Inc.2,305$64.4K0.00%00.0%Unchanged
CWM, LLC2,314$65.0K0.00%+386+20.0%Added
Strengthening Families & Communities, LLC2,500$69.9K0.02%00.0%Unchanged
Canada Pension Plan Investment Board2,800$78.3K0.00%−8,000−74.1%Reduced
STRS Ohio2,800$78.3K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)3,049$85.3K0.00%−1,908−38.5%Reduced
ISAM Funds (UK) Ltd3,261$91.2K0.02%+3,261New
GAMMA Investing LLC4,109$114.9K0.01%+724+21.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)4,407$123.2K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS4,500$125.8K0.00%00.0%Unchanged
Eastern Bank4,676$130.7K0.00%00.0%Unchanged
State of Tennessee, Treasury Department5,477$153.1K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund5,560$155.5K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA6,123$171.2K0.00%+3,635+146.1%Added
New York State Teachers Retirement System6,437$180.0K0.00%−1,333−17.2%Reduced
Police & Firemen's Retirement System of New Jersey6,827$190.9K0.00%+1,623+31.2%Added
Teachers Retirement System of the State of Kentucky6,824$191.0K0.00%−402−5.6%Reduced
Amalgamated Bank7,173$201.0K0.00%+259+3.7%Added
Envestnet Asset Management Inc7,399$206.9K0.00%+7,399New
Arizona State Retirement System7,459$208.6K0.00%+7,459New
Yousif Capital Management, LLC7,501$209.7K0.00%−1,410−15.8%Reduced
Graham Capital Management, L.P.7,529$210.5K0.01%+7,529New
FourThought Financial Partners, LLC7,679$214.7K0.02%+7,679New
HighTower Advisors, LLC7,735$216.3K0.00%+7,735New
New York State Common Retirement Fund7,796$218.0K0.00%00.0%Unchanged
Royal Bank of Canada8,183$230.0K0.00%−3,803−31.7%Reduced
Overbrook Management Corp8,304$232.2K0.04%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.8,902$248.9K0.00%+8,902New
First Citizens Bank & Trust Co9,263$259.0K0.01%+9,263New
Balyasny Asset Management LLC9,524$266.3K0.00%+9,524New
Journey Strategic Wealth LLC9,658$270.0K0.01%+127+1.3%Added
Gotham Asset Management, LLC9,978$279.0K0.00%−3,832−27.7%Reduced
Jain Global LLC10,800$302.0K0.00%+10,800New
Tudor Investment Corp Et Al10,913$305.1K0.00%−33,569−75.5%Reduced
Quantbot Technologies LP11,234$314.1K0.01%+7,789+226.1%Added
Louisiana State Employees Retirement System11,400$318.7K0.01%00.0%Unchanged
Neuberger Berman Group LLC11,519$322.1K0.00%+1,405+13.9%Added
Mirae Asset Global ETFs Holdings Ltd.11,727$327.9K0.00%−2,024−14.7%Reduced
Citigroup Inc11,773$329.2K0.00%−14,195−54.7%Reduced