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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 2026

Institutional positions in Alpha & Omega Semiconductor Ltd as of Jun 30, 2026. 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
216
+39 vs. Q1 2026
Shares held
22.8M
+741.0K (+3.4%) vs. Q1 2026
Total value
$1.08B
+$590.9M (+120.7%) vs. Q1 2026
New holders
64
61 more added
Sold out
25
65 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 216 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 2026: $1.08B
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 2026

Shares, value and share of portfolio for each institution holding Alpha & Omega Semiconductor Ltd; share changes are against Q1 2026.

Institutions holding AOSL in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Marshall Wace, LLP6,000$284.0K0.00%−14,400−70.6%Reduced
Teachers Retirement System of the State of Kentucky6,048$286.0K0.00%00.0%Unchanged
Vanguard Investments Australia, Ltd.6,351$300.6K0.00%00.0%Unchanged
Yousif Capital Management, LLC6,526$308.9K0.00%+6,526New
Royal Bank of Canada6,554$310.0K0.00%−1,383−17.4%Reduced
Amalgamated Bank6,683$316.0K0.00%+6,683New
Caitong International Asset Management Co., Ltd6,677$316.0K0.04%+6,677New
Arizona State Retirement System6,775$320.7K0.00%+6,775New
Police & Firemen's Retirement System of New Jersey6,827$323.1K0.00%00.0%Unchanged
HSBC Holdings PLC6,881$323.5K0.00%+6,881New
State Board of Administration of Florida Retirement System7,266$343.9K0.00%+7,266New
CAPROCK Group, Inc.7,277$344.4K0.01%−5,058−41.0%Reduced
Axq Capital, LP7,546$357.2K0.04%+7,546New
LPL Financial LLC7,805$369.4K0.00%+7,805New
State of Tennessee, Treasury Department7,821$370.2K0.00%+2,745+54.1%Added
Almanack Investment Partners, LLC.7,846$371.4K0.05%+7,846New
State of New Jersey Common Pension Fund D7,939$375.8K0.00%+7,939New
Jones Financial Companies LLLP8,750$384.9K0.00%+1,264+16.9%Added
Overbrook Management Corp8,304$393.0K0.06%+8,304New
Jain Global LLC8,658$409.8K0.00%+8,658New
SEI Investments Co8,964$424.3K0.00%−74,870−89.3%Reduced
State of Alaska, Department of Revenue9,450$447.0K0.00%−3,990−29.7%Reduced
New York State Common Retirement Fund10,096$477.8K0.00%+2,300+29.5%Added
Natixis Advisors, L.P.10,275$486.0K0.00%+10,275New
Louisiana State Employees Retirement System10,900$515.9K0.01%−100−0.9%Reduced
Vanguard Global Advisers, LLC11,209$530.5K0.00%−9,814−46.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.11,391$539.1K0.00%−533−4.5%Reduced
Engineers Gate Manager LP12,250$579.8K0.01%−50,784−80.6%Reduced
Diversified Trust Co12,912$611.1K0.01%+12,912New
Zurcher Kantonalbank (Zurich Cantonalbank)13,232$626.3K0.00%+4,787+56.7%Added
Jupiter Topco LLC13,485$637.9K0.00%+13,485New
MetLife Investment Management14,460$684.4K0.00%+143+1.0%Added
Arosa Capital Management LP15,000$710.0K0.62%−15,000−50.0%Reduced
Capelight Capital Asset Management LP15,000$710.0K0.35%+15,000New
Illinois Municipal Retirement Fund15,358$726.9K0.01%+2,975+24.0%Added
Vanguard Asset Management, Ltd15,523$734.7K0.00%00.0%Unchanged
Alliancebernstein L.P.33,698$746.7K0.00%+13,198+64.4%Added
Thrivent Financial for Lutherans16,313$772.0K0.00%−175−1.1%Reduced
Brevan Howard Capital Management LP16,483$780.1K0.01%−2,688−14.0%Reduced
Gsa Capital Partners LLP16,925$801.0K0.05%−38,345−69.4%Reduced
Walleye Trading LLC18,979$898.3K0.01%+18,979New
Neuberger Berman Group LLC19,063$902.3K0.00%+79+0.4%Added
Jump Financial, LLC19,800$937.1K0.01%−21,700−52.3%Reduced
Natixis20,000$946.6K0.00%00.0%Unchanged
Creative Planning21,107$999.0K0.00%+5,183+32.5%Added
Wells Fargo & Company21,414$1.01M0.00%+11,342+112.6%Added
Dynamic Technology Lab Private Ltd21,440$1.01M0.23%+21,440New
Marex Group plc21,500$1.02M0.01%+21,500New
Y-Intercept (Hong Kong) Ltd22,218$1.05M0.02%−13,152−37.2%Reduced
Raymond James Financial Inc23,317$1.10M0.00%−498−2.1%Reduced
Counterpoint Mutual Funds LLC24,712$1.17M0.12%−14,867−37.6%Reduced
New Age Alpha Advisors, LLC24,986$1.18M0.05%+24,986New
Massachusetts Financial Services Co26,638$1.26M0.00%−1,062−3.8%Reduced
California State Teachers Retirement System27,820$1.32M0.00%+4,036+17.0%Added
Healthcare of Ontario Pension Plan Trust Fund29,005$1.37M0.00%+29,005New
Mork Capital Management, LLC30,000$1.42M0.91%−15,000−33.3%Reduced
Numerai GP LLC32,941$1.56M0.13%−65,033−66.4%Reduced
Winton Group Ltd34,889$1.65M0.05%−26,043−42.7%Reduced
Quantinno Capital Management LP36,440$1.72M0.00%−808−2.2%Reduced
XTX Topco Ltd37,562$1.78M0.02%+14,628+63.8%Added
Price T Rowe Associates Inc39,104$1.85M0.00%+6,281+19.1%Added
Citadel Advisors LLC39,368$1.86M0.00%+2,934+8.1%Added
Franklin Resources Inc40,523$1.92M0.00%−15,811−28.1%Reduced
Ameriprise Financial Inc47,029$2.23M0.00%−6,903−12.8%Reduced
Swiss National Bank49,300$2.33M0.00%−1,100−2.2%Reduced
Deutsche Bank AG52,853$2.50M0.00%+3,311+6.7%Added
Legal & General Group Plc54,126$2.56M0.00%−2,680−4.7%Reduced
Algert Global LLC54,200$2.57M0.03%−66,140−55.0%Reduced
Russell Investments Group, Ltd.55,849$2.60M0.00%+21,769+63.9%Added
Nuveen, LLC55,668$2.63M0.00%+7,251+15.0%Added
Citigroup Inc61,099$2.89M0.00%+54,330+802.6%Added
American Century Companies Inc61,255$2.90M0.00%+2,930+5.0%Added
Rhumbline Advisers61,676$2.92M0.00%−10,369−14.4%Reduced
BNP Paribas Arbitrage, SA76,044$3.60M0.00%−29,222−27.8%Reduced
AQR Capital Management LLC83,433$3.95M0.00%−58,224−41.1%Reduced
Public Sector Pension Investment Board85,371$4.04M0.01%−3,016−3.4%Reduced
Wedge Capital Management L L P91,440$4.33M0.07%−21,114−18.8%Reduced
Susquehanna International Group, LLP96,522$4.57M0.00%+54,787+131.3%Added
IMC-Chicago, LLC99,791$4.72M0.04%+99,791New
JPMorgan Chase & Co109,566$4.95M0.00%−234,466−68.2%Reduced
Trexquant Investment LP117,474$5.56M0.03%−56,626−32.5%Reduced
Principal Financial Group Inc120,056$5.68M0.00%−190.0%Reduced
Empowered Funds, LLC129,537$6.13M0.03%+9,206+7.7%Added
UBS Group AG135,116$6.40M0.00%−53,624−28.4%Reduced
Bank of New York Mellon Corp141,445$6.69M0.00%+1,911+1.4%Added
Tudor Investment Corp Et Al144,312$6.83M0.03%+74,762+107.5%Added
Bank of America Corp145,243$6.87M0.00%+17,551+13.7%Added
Bridgeway Capital Management, LLC149,537$7.08M0.12%+9,206+6.6%Added
T. Rowe Price Investment Management, Inc.153,998$7.29M0.00%+153,998New
Jacobs Levy Equity Management, Inc160,918$7.62M0.03%−192,996−54.5%Reduced
Vanguard Fiduciary Trust Co163,428$7.74M0.00%+485+0.3%Added
Panagora Asset Management Inc194,356$9.20M0.03%+135,571+230.6%Added
Congress Asset Management Co203,460$9.63M0.06%+203,460New
Apis Capital Advisors, LLC206,280$9.76M0.95%+206,280New
Invesco Ltd.207,842$9.84M0.00%−167,931−44.7%Reduced
Morgan Stanley217,176$10.3M0.00%+20,281+10.3%Added
Jane Street Group, LLC234,335$11.1M0.01%+234,335New
Northern Trust Corp261,018$12.4M0.00%+14,228+5.8%Added
Millennium Management LLC267,648$12.7M0.01%+69,866+35.3%Added
Goldman Sachs Group Inc279,113$13.2M0.00%+11,431+4.3%Added