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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, Q2 2025

Institutional positions in Alpha & Omega Semiconductor Ltd as of Jun 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
165
+10 vs. Q1 2025
Shares held
21.7M
−919.7K (−4.1%) vs. Q1 2025
Total value
$557.1M
−$5.49M (−1.0%) vs. Q1 2025
New holders
31
75 more added
Sold out
21
32 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 165 institutions
Q1 2021: 126 institutionsQ2 2021: 125 institutionsQ3 2021: 131 institutionsQ4 2021: 178 institutionsQ1 2022: 207 institutionsQ2 2022: 186 institutionsQ3 2022: 176 institutionsQ4 2022: 164 institutionsQ1 2023: 144 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 heldQ2 2025: $557.1M
Q1 2021: $506.9MQ2 2021: $461.4MQ3 2021: $467.4MQ4 2021: $908.1MQ1 2022: $864.5MQ2 2022: $605.3MQ3 2022: $568.4MQ4 2022: $508.9MQ1 2023: $472.1MQ2 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 2023144$472.1M
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 2021125$461.4M
Q1 2021126$506.9M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q1 2025.

Institutions holding AOSL in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,857,954$99.0M0.00%+89,160+2.4%Added
Vanguard Group Inc2,420,016$62.1M0.00%+81,410+3.5%Added
Dimensional Fund Advisors LP1,720,233$44.1M0.01%−121,434−6.6%Reduced
Manufacturers Life Insurance Company, The1,411,400$36.2M0.03%+158,869+12.7%Added
State Street Corp1,278,725$32.8M0.00%−76,134−5.6%Reduced
Boston Partners1,109,377$28.5M0.03%+514,240+86.4%Added
Robeco Schweiz AG782,503$20.1M0.46%+751+0.1%Added
Wellington Management Group LLP751,888$19.3M0.00%−156,155−17.2%Reduced
Geode Capital Management, LLC601,672$15.4M0.00%+2,785+0.5%Added
FMR LLC514,461$13.2M0.00%−33,514−6.1%Reduced
Goldman Sachs Group Inc468,920$12.0M0.00%+348,568+289.6%Added
Royce & Associates LP430,931$11.1M0.11%+85,617+24.8%Added
Millennium Management LLC405,059$10.4M0.01%+405,059New
First Eagle Investment Management, LLC329,208$8.45M0.02%+22,500+7.3%Added
Invesco Ltd.328,170$8.42M0.00%−431,339−56.8%Reduced
Charles Schwab Investment Management Inc301,041$7.72M0.00%+59,292+24.5%Added
Northern Trust Corp250,064$6.42M0.00%−1,975−0.8%Reduced
Oberweis Asset Management Inc244,300$6.27M0.27%+66,600+37.5%Added
Morgan Stanley241,187$6.19M0.00%−119,985−33.2%Reduced
Peregrine Capital Management LLC222,739$5.72M0.17%+47,719+27.3%Added
Gagnon Securities LLC215,980$5.54M1.13%+1,219+0.6%Added
Bank of America Corp211,281$5.42M0.00%−22,205−9.5%Reduced
Russell Investments Group, Ltd.209,247$5.37M0.01%+34,654+19.8%Added
Two Sigma Investments, LP196,904$5.05M0.01%+126,715+180.5%Added
Uniplan Investment Counsel, Inc.187,129$4.80M0.49%+9,866+5.6%Added
Acuitas Investments, LLC173,820$4.46M3.55%+27,447+18.8%Added
Bank of New York Mellon Corp144,297$3.70M0.00%+3,725+2.6%Added
Principal Financial Group Inc120,976$3.10M0.00%+871+0.7%Added
Gagnon Advisors, LLC120,196$3.08M2.07%00.0%Unchanged
SEI Investments Co103,744$2.66M0.00%+19,920+23.8%Added
JPMorgan Chase & Co92,121$2.36M0.00%+77,984+551.6%Added
Barclays PLC91,222$2.34M0.00%+60,136+193.5%Added
Susquehanna Portfolio Strategies, LLC88,750$2.28M0.05%+88,750New
State of Wisconsin Investment Board86,791$2.23M0.01%+19,919+29.8%Added
Public Sector Pension Investment Board83,192$2.13M0.01%+6,746+8.8%Added
Two Sigma Advisers, LP80,800$2.07M0.00%+65,100+414.6%Added
Connor, Clark & Lunn Investment Management Ltd.80,351$2.06M0.01%+34,171+74.0%Added
Victory Capital Management Inc80,252$2.06M0.00%+30,006+59.7%Added
Rhumbline Advisers73,056$1.87M0.00%+3,637+5.2%Added
Legal & General Group Plc65,399$1.68M0.00%+2,457+3.9%Added
Numerai GP LLC65,203$1.67M0.24%+65,203New
UBS Asset Management Americas Inc64,249$1.65M0.00%+27,868+76.6%Added
Verition Fund Management LLC61,998$1.59M0.01%+31,749+105.0%Added
AQR Capital Management LLC59,510$1.53M0.00%+40,554+213.9%Added
American Century Companies Inc57,852$1.48M0.00%+5,250+10.0%Added
Susquehanna International Group, LLP57,306$1.47M0.00%−13,519−19.1%Reduced
Ameriprise Financial Inc49,914$1.28M0.00%−1,745−3.4%Reduced
Winton Group Ltd49,619$1.27M0.07%+8,654+21.1%Added
Nuveen, LLC48,149$1.24M0.00%−15,539−24.4%Reduced
Swiss National Bank47,800$1.23M0.00%00.0%Unchanged
Mork Capital Management, LLC45,000$1.15M0.84%+15,000+50.0%Added
Tudor Investment Corp Et Al44,482$1.14M0.01%+44,482New
Cubist Systematic Strategies, LLC43,969$1.13M0.01%+43,969New
Deutsche Bank AG43,843$1.13M0.00%−3,499−7.4%Reduced
Algert Global LLC38,539$988.9K0.02%+38,539New
Alliancebernstein L.P.32,090$823.4K0.00%−67−0.2%Reduced
Acadian Asset Management LLC30,511$782.0K0.00%+30,511New
First Trust Advisors LP29,397$754.3K0.00%+12,636+75.4%Added
Citigroup Inc25,968$666.3K0.00%−11,683−31.0%Reduced
Price T Rowe Associates Inc25,815$663.0K0.00%+1,628+6.7%Added
Bridgeway Capital Management, LLC25,185$646.2K0.02%+13,010+106.9%Added
California State Teachers Retirement System22,974$589.5K0.00%00.0%Unchanged
Raymond James Financial Inc22,146$568.3K0.00%+51+0.2%Added
UBS Group AG21,936$562.9K0.00%−126,510−85.2%Reduced
PDT Partners, LLC21,300$546.6K0.03%+21,300New
Squarepoint Ops LLC20,909$536.5K0.00%−830−3.8%Reduced
Citadel Advisors LLC20,473$525.3K0.00%+3,950+23.9%Added
Quantinno Capital Management LP18,207$467.2K0.00%+18,207New
Thrivent Financial for Lutherans17,944$460.0K0.00%+227+1.3%Added
Redwood Wealth Management Group, LLC17,351$445.2K0.20%+1,272+7.9%Added
Wells Fargo & Company17,296$443.8K0.00%−105−0.6%Reduced
Los Angeles Capital Management LLC17,013$436.6K0.00%+17,013New
Geneos Wealth Management Inc.16,595$425.8K0.01%+233+1.4%Added
Intech Investment Management LLC15,497$397.7K0.00%+3,184+25.9%Added
Skopos Labs, Inc.14,985$384.5K0.05%+14,722+5,597.7%Added
State of Alaska, Department of Revenue14,530$372.0K0.00%+1,165+8.7%Added
MetLife Investment Management14,317$367.4K0.00%00.0%Unchanged
Voloridge Investment Management, LLC14,146$363.0K0.00%−33,213−70.1%Reduced
Gotham Asset Management, LLC13,810$354.4K0.00%+5,090+58.4%Added
Mirae Asset Global ETFs Holdings Ltd.13,751$352.9K0.00%−416−2.9%Reduced
Janus Henderson Group PLC13,485$346.2K0.00%00.0%Unchanged
Franklin Resources Inc13,327$342.0K0.00%+57+0.4%Added
Royal Bank of Canada11,986$308.0K0.00%+47+0.4%Added
Louisiana State Employees Retirement System11,400$292.5K0.01%00.0%Unchanged
Illinois Municipal Retirement Fund10,992$282.1K0.00%−2,830−20.5%Reduced
Canada Pension Plan Investment Board10,800$277.1K0.00%+7,800+260.0%Added
Neuberger Berman Group LLC10,114$259.5K0.00%+10,114New
Creative Planning9,658$247.8K0.00%+9,658New
Journey Strategic Wealth LLC9,531$244.6K0.01%+9,531New
Sanctuary Advisors, LLC9,267$237.8K0.00%+9,267New
Yousif Capital Management, LLC8,911$228.7K0.00%00.0%Unchanged
Engineers Gate Manager LP8,449$216.8K0.00%+8,449New
LPL Financial LLC8,422$216.1K0.00%−2,144−20.3%Reduced
Versor Investments LP8,400$215.5K0.04%+8,400New
Overbrook Management Corp8,304$213.1K0.04%00.0%Unchanged
New York State Common Retirement Fund7,796$200.0K0.00%00.0%Unchanged
New York State Teachers Retirement System7,770$199.0K0.00%−300−3.7%Reduced
Teachers Retirement System of the State of Kentucky7,226$185.0K0.00%00.0%Unchanged
Amalgamated Bank6,914$177.0K0.00%+232+3.5%Added
Oregon Public Employees Retirement Fund5,560$142.7K0.00%00.0%Unchanged