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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, Q1 2025

Institutional positions in Alpha & Omega Semiconductor Ltd as of Mar 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
156
−19 vs. Q4 2024
Shares held
22.6M
+2.15M (+10.5%) vs. Q4 2024
Total value
$562.6M
−$195.3M (−25.8%) vs. Q4 2024
New holders
21
46 more added
Sold out
40
59 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 156 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 heldQ1 2025: $562.6M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q4 2024.

Institutions holding AOSL in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.3,768,794$93.7M0.00%−162,439−4.1%Reduced
Vanguard Group Inc2,338,606$58.1M0.00%−73,026−3.0%Reduced
Hood River Capital Management LLC1,986,142$49.4M0.84%+847,545+74.4%Added
Dimensional Fund Advisors LP1,841,667$45.8M0.01%−133,776−6.8%Reduced
State Street Corp1,354,859$33.7M0.00%+187,590+16.1%Added
Manufacturers Life Insurance Company, The1,252,531$31.1M0.03%+63,286+5.3%Added
Wellington Management Group LLP908,043$22.6M0.00%+274,698+43.4%Added
Robeco Schweiz AG781,752$19.4M0.48%+781,752New
Invesco Ltd.759,509$18.9M0.00%+610,336+409.1%Added
Geode Capital Management, LLC598,887$14.9M0.00%+18,331+3.2%Added
Boston Partners595,137$14.8M0.02%+574,172+2,738.7%Added
FMR LLC547,975$13.6M0.00%+11,048+2.1%Added
Clearline Capital LP372,780$9.27M0.94%+372,780New
Morgan Stanley361,172$8.98M0.00%+75,436+26.4%Added
Royce & Associates LP345,314$8.58M0.09%−22,280−6.1%Reduced
First Eagle Investment Management, LLC306,708$7.62M0.02%−8,700−2.8%Reduced
Northern Trust Corp252,039$6.27M0.00%−9,407−3.6%Reduced
Charles Schwab Investment Management Inc241,749$6.01M0.00%+16,940+7.5%Added
Bank of America Corp233,486$5.80M0.00%+175,011+299.3%Added
Gagnon Securities LLC214,761$5.34M1.17%+656+0.3%Added
Oberweis Asset Management Inc177,700$4.42M0.22%00.0%Unchanged
Uniplan Investment Counsel, Inc.177,263$4.41M0.43%−14,513−7.6%Reduced
Peregrine Capital Management LLC175,020$4.35M0.14%−9,579−5.2%Reduced
Russell Investments Group, Ltd.174,593$4.34M0.01%+107,790+161.4%Added
UBS Group AG148,446$3.69M0.00%+45,237+43.8%Added
Acuitas Investments, LLC146,373$3.64M3.10%+30,473+26.3%Added
Bank of New York Mellon Corp140,572$3.49M0.00%−6,826−4.6%Reduced
Goldman Sachs Group Inc120,352$2.99M0.00%−36,920−23.5%Reduced
Gagnon Advisors, LLC120,196$2.99M2.11%00.0%Unchanged
Principal Financial Group Inc120,105$2.99M0.00%+4,660+4.0%Added
Brandywine Global Investment Management, LLC94,783$2.36M0.02%−3,710−3.8%Reduced
SEI Investments Co83,824$2.08M0.00%−2,260−2.6%Reduced
Public Sector Pension Investment Board76,446$1.90M0.01%+16,982+28.6%Added
Wedge Capital Management L L P70,951$1.76M0.03%+26,666+60.2%Added
Susquehanna International Group, LLP70,825$1.76M0.00%+21,315+43.1%Added
Two Sigma Investments, LP70,189$1.74M0.00%−54,906−43.9%Reduced
Rhumbline Advisers69,419$1.73M0.00%−1,301−1.8%Reduced
State of Wisconsin Investment Board66,872$1.66M0.00%+49,321+281.0%Added
Nuveen, LLC63,688$1.58M0.00%+63,688New
Legal & General Group Plc62,942$1.56M0.00%−1,477−2.3%Reduced
Voya Investment Management LLC62,448$1.55M0.00%+55,191+760.5%Added
Ardsley Advisory Partners LP53,700$1.33M0.31%+53,700New
American Century Companies Inc52,602$1.31M0.00%−55,884−51.5%Reduced
Ameriprise Financial Inc51,659$1.28M0.00%−1,184−2.2%Reduced
Victory Capital Management Inc50,246$1.25M0.00%+32,009+175.5%Added
Swiss National Bank47,800$1.19M0.00%−700−1.4%Reduced
Voloridge Investment Management, LLC47,359$1.18M0.00%+47,359New
Deutsche Bank AG47,342$1.18M0.00%+26,349+125.5%Added
Connor, Clark & Lunn Investment Management Ltd.46,180$1.15M0.01%−2,649−5.4%Reduced
Winton Group Ltd40,965$1.02M0.06%+21,488+110.3%Added
Citigroup Inc37,651$936.0K0.00%−451−1.2%Reduced
UBS Asset Management Americas Inc36,381$904.4K0.00%−31,166−46.1%Reduced
Alliancebernstein L.P.32,157$799.4K0.00%00.0%Unchanged
Barclays PLC31,086$772.8K0.00%−39,093−55.7%Reduced
Verition Fund Management LLC30,249$752.0K0.00%+21,113+231.1%Added
Mork Capital Management, LLC30,000$745.8K0.58%00.0%Unchanged
Boothbay Fund Management, LLC25,121$624.5K0.02%−79,346−76.0%Reduced
Price T Rowe Associates Inc24,187$602.0K0.00%+1,055+4.6%Added
California State Teachers Retirement System22,974$571.1K0.00%00.0%Unchanged
Raymond James Financial Inc22,095$549.3K0.00%−2,802−11.3%Reduced
Squarepoint Ops LLC21,739$540.4K0.00%−15,795−42.1%Reduced
AQR Capital Management LLC18,956$471.2K0.00%+18,956New
Polymer Capital Management (HK) LTD18,065$449.1K0.08%−31,312−63.4%Reduced
Stratos Wealth Partners, LTD.17,875$444.4K0.01%−100−0.6%Reduced
Jane Street Group, LLC17,847$443.7K0.00%−45,683−71.9%Reduced
Thrivent Financial for Lutherans17,717$440.0K0.00%−683−3.7%Reduced
Wells Fargo & Company17,401$432.6K0.00%−10,520−37.7%Reduced
First Trust Advisors LP16,761$416.7K0.00%+199+1.2%Added
Citadel Advisors LLC16,523$410.8K0.00%−86,013−83.9%Reduced
Geneos Wealth Management Inc.16,362$406.8K0.01%+1,799+12.4%Added
Redwood Wealth Management Group, LLC16,079$399.7K0.20%+1,342+9.1%Added
Two Sigma Advisers, LP15,700$390.3K0.00%−24,800−61.2%Reduced
Pacific Point Advisors, LLC15,000$372.9K0.21%+7,000+87.5%Added
MetLife Investment Management14,317$355.9K0.00%−288−2.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.14,167$352.2K0.00%+624+4.6%Added
JPMorgan Chase & Co14,137$351.4K0.00%−17,940−55.9%Reduced
Janus Henderson Group PLC13,485$351.3K0.00%00.0%Unchanged
Illinois Municipal Retirement Fund13,822$343.6K0.00%+3,082+28.7%Added
State of Alaska, Department of Revenue13,365$332.0K0.00%−111−0.8%Reduced
Franklin Resources Inc13,270$329.9K0.00%−24−0.2%Reduced
Corebridge Financial, Inc.12,440$309.3K0.00%−233−1.8%Reduced
Intech Investment Management LLC12,313$306.1K0.00%+3,522+40.1%Added
Bridgeway Capital Management, LLC12,175$302.7K0.01%−37,272−75.4%Reduced
Royal Bank of Canada11,939$297.0K0.00%+820+7.4%Added
Louisiana State Employees Retirement System11,400$283.4K0.01%−100−0.9%Reduced
LPL Financial LLC10,566$262.7K0.00%+1,055+11.1%Added
Two Sigma Securities, LLC10,256$255.0K0.04%+10,256New
Prelude Capital Management, LLC10,237$254.5K0.03%−18,495−64.4%Reduced
Yousif Capital Management, LLC8,911$221.5K0.00%−138−1.5%Reduced
Gotham Asset Management, LLC8,720$216.8K0.00%+8,720New
Overbrook Management Corp8,304$206.4K0.05%00.0%Unchanged
New York State Teachers Retirement System8,070$201.0K0.00%00.0%Unchanged
New York State Common Retirement Fund7,796$193.8K0.00%00.0%Unchanged
Quantbot Technologies LP7,539$187.4K0.01%+7,539New
BNP Paribas Arbitrage, SA7,339$182.4K0.00%−2,769−27.4%Reduced
Teachers Retirement System of the State of Kentucky7,226$180.0K0.00%00.0%Unchanged
Amalgamated Bank6,682$166.0K0.00%−292−4.2%Reduced
Aquatic Capital Management LLC6,522$162.1K0.00%+6,522New
Oregon Public Employees Retirement Fund5,560$138.2K0.00%00.0%Unchanged
State of Tennessee, Treasury Department5,477$136.2K0.00%−3,049−35.8%Reduced