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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
Covestor Ltd2$00.00%−1,164−99.8%Reduced
Huntington National Bank1$200.00%−157−99.4%Reduced
Parallel Advisors, LLC2$400.00%00.0%Unchanged
Farther Finance Advisors, LLC4$790.00%−75−94.9%Reduced
HHM Wealth Advisors, LLC6$1190.00%00.0%Unchanged
CIBC Private Wealth Group, LLC7$1390.00%+6+600.0%Added
Larson Financial Group LLC8$1580.00%−105−92.9%Reduced
Rothschild Investment LLC9$1780.00%−6−40.0%Reduced
Rockefeller Capital Management L.P.10$1980.00%−130−92.9%Reduced
YANKCOM Partnership10$1980.00%+10New
EverSource Wealth Advisors, LLC13$2580.00%−18−58.1%Reduced
Massmutual Trust Co FSB14$2770.00%−93−86.9%Reduced
Farmers & Merchants Investments Inc16$3170.00%00.0%Unchanged
Kilter Group LLC18$3570.00%+18New
Basecamp Wealth Advisors LLC19$3760.00%+19New
Bare Financial Services, Inc23$4560.00%+23New
True Wealth Design, LLC28$5550.00%−32−53.3%Reduced
Barrow Hanley Mewhinney & Strauss LLC28$5550.00%+28New
Picton Mahoney Asset Management32$6340.00%00.0%Unchanged
Advisors Asset Management, Inc.39$7730.00%−3−7.1%Reduced
Rachor Investment Advisory Services, LLC47$9320.00%+47New
Avion Wealth51$1.00K0.00%+28+121.7%Added
Quadrant Capital Group LLC54$1.07K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.57$1.13K0.00%00.0%Unchanged
Fortitude Family Office, LLC65$1.29K0.00%00.0%Unchanged
Quarry LP66$1.31K0.00%+19+40.4%Added
Optiver Holding B.V.70$1.39K0.00%−64−47.8%Reduced
Signaturefd, LLC96$1.90K0.00%−587−85.9%Reduced
Parkside Financial Bank & Trust101$2.00K0.00%+76+304.0%Added
Pinnacle Wealth Planning Services, Inc.107$2.12K0.00%+107New
UMA Financial Services, Inc.124$2.46K0.00%+73+143.1%Added
Umb Bank N A131$2.60K0.00%−48−26.8%Reduced
Bessemer Group Inc150$3.00K0.00%+71+89.9%Added
SRS Capital Advisors, Inc.166$3.29K0.00%−635−79.3%Reduced
Fifth Third Bancorp182$3.60K0.00%−74−28.9%Reduced
City State Bank200$3.96K0.00%00.0%Unchanged
Jones Financial Companies LLLP206$4.08K0.00%+6+3.0%Added
SBI Securities Co., Ltd.223$4.42K0.00%−53−19.2%Reduced
Allworth Financial LP232$4.60K0.00%−57−19.7%Reduced
Smartleaf Asset Management LLC301$6.01K0.00%+293+3,662.5%Added
Global Retirement Partners, LLC346$6.85K0.00%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.414$8.00K0.00%+414New
Bryn Mawr Trust Co500$9.90K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.543$10.8K0.00%−190−25.9%Reduced
Public Employees Retirement System of Ohio659$13.1K0.00%+98+17.5%Added
Group One Trading, L.P.694$13.7K0.00%+694New
Tower Research Capital LLC (TRC)745$14.8K0.00%−2,304−75.6%Reduced
US Bancorp792$15.7K0.00%+41+5.5%Added
Hantz Financial Services, Inc.872$17.0K0.00%−164−15.8%Reduced
Nisa Investment Advisors, LLC906$17.9K0.00%−209−18.7%Reduced
Versant Capital Management, Inc962$19.1K0.00%−926−49.0%Reduced
Federated Hermes, Inc.975$19.3K0.00%+975New
CWM, LLC1,088$22.0K0.00%−1,226−53.0%Reduced
Sterling Capital Management LLC1,437$28.5K0.00%−291−16.8%Reduced
The PNC Financial Services Group, Inc.1,507$29.9K0.00%−176−10.5%Reduced
Northwestern Mutual Wealth Management Co2,205$43.7K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,305$45.7K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC2,500$49.5K0.02%00.0%Unchanged
GAMMA Investing LLC2,501$49.5K0.00%−1,608−39.1%Reduced
Canada Pension Plan Investment Board3,100$61.4K0.00%+300+10.7%Added
Eastern Bank4,676$92.6K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS5,500$109.0K0.00%+1,000+22.2%Added
New York State Teachers Retirement System5,528$110.0K0.00%−909−14.1%Reduced
State of Tennessee, Treasury Department5,076$112.2K0.00%−401−7.3%Reduced
Oregon Public Employees Retirement Fund5,756$114.0K0.00%+196+3.5%Added
Teachers Retirement System of the State of Kentucky6,048$120.0K0.00%−776−11.4%Reduced
BNP Paribas Arbitrage, SA6,193$122.7K0.00%+70+1.1%Added
Police & Firemen's Retirement System of New Jersey6,827$135.2K0.00%00.0%Unchanged
Amalgamated Bank7,210$143.0K0.00%+37+0.5%Added
New York State Common Retirement Fund7,796$154.4K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)7,926$157.0K0.00%+3,519+79.9%Added
Citigroup Inc8,717$172.7K0.00%−3,056−26.0%Reduced
Royal Bank of Canada8,938$177.0K0.00%+755+9.2%Added
Simplex Trading, LLC9,056$179.4K0.01%+7,897+681.4%Added
CAPROCK Group, Inc.10,373$205.5K0.00%+10,373New
Renaissance Technologies LLC10,500$208.0K0.00%+10,500New
Summit Global Investments11,238$223.0K0.01%+11,238New
Louisiana State Employees Retirement System11,400$225.8K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.11,652$230.8K0.00%−75−0.6%Reduced
Illinois Municipal Retirement Fund12,260$242.9K0.00%−594−4.6%Reduced
Dynamic Technology Lab Private Ltd12,515$248.0K0.06%+12,515New
Janus Henderson Group PLC13,485$267.1K0.00%00.0%Unchanged
State of Alaska, Department of Revenue13,973$276.0K0.00%+275+2.0%Added
Redwood Wealth Management Group, LLC14,076$278.8K0.12%−5,665−28.7%Reduced
MetLife Investment Management14,317$283.6K0.00%00.0%Unchanged
Intech Investment Management LLC14,476$286.8K0.00%+1,523+11.8%Added
Tudor Investment Corp Et Al15,401$305.1K0.00%+4,488+41.1%Added
Prelude Capital Management, LLC16,480$326.5K0.02%+16,480New
Los Angeles Capital Management LLC11,926$335.1K0.00%+115+1.0%Added
Thrivent Financial for Lutherans17,144$340.0K0.00%−676−3.8%Reduced
Gsa Capital Partners LLP17,675$350.0K0.03%−18,506−51.1%Reduced
Natixis20,000$396.2K0.00%+20,000New
Franklin Resources Inc20,281$401.8K0.00%+1,053+5.5%Added
Aquatic Capital Management LLC20,300$402.1K0.01%+20,300New
Axq Capital, LP20,511$406.3K0.09%+20,511New
PDT Partners, LLC21,287$421.7K0.03%00.0%Unchanged
Raymond James Financial Inc22,178$439.3K0.00%−8,434−27.6%Reduced
Alliancebernstein L.P.23,300$461.6K0.00%−8,790−27.4%Reduced
Voya Investment Management LLC24,386$483.1K0.00%+85+0.3%Added
California State Teachers Retirement System25,763$510.4K0.00%+2,787+12.1%Added