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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: $507.0MQ2 2021: $462.8MQ3 2021: $467.4MQ4 2021: $913.6MQ1 2022: $864.5MQ2 2022: $605.4MQ3 2022: $569.4MQ4 2022: $508.9MQ1 2023: $487.9MQ2 2023: $570.9MQ3 2023: $521.4MQ4 2023: $482.8MQ1 2024: $433.4MQ2 2024: $728.5MQ3 2024: $727.2MQ4 2024: $760.3MQ1 2025: $564.6MQ2 2025: $557.4MQ3 2025: $623.4MQ4 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$623.4M
Q2 2025165$557.4M
Q1 2025156$564.6M
Q4 2024177$760.3M
Q3 2024173$727.2M
Q2 2024166$728.5M
Q1 2024141$433.4M
Q4 2023144$482.8M
Q3 2023141$521.4M
Q2 2023145$570.9M
Q1 2023144$487.9M
Q4 2022164$508.9M
Q3 2022176$569.4M
Q2 2022186$605.4M
Q1 2022207$864.5M
Q4 2021178$913.6M
Q3 2021131$467.4M
Q2 2021125$462.8M
Q1 2021126$507.0M

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
BlackRock, Inc.4,256,528$201.5M0.00%+351,752+9.0%Added
State Street Corp2,347,448$111.1M0.00%+945,898+67.5%Added
Manufacturers Life Insurance Company, The1,375,083$65.1M0.05%−199,379−12.7%Reduced
Dimensional Fund Advisors LP1,335,089$63.2M0.01%−228,782−14.6%Reduced
Vanguard Portfolio Management LLC1,111,480$52.6M0.00%−57,449−4.9%Reduced
Vanguard Capital Management LLC1,070,895$50.7M0.00%+19,664+1.9%Added
Two Sigma Investments, LP951,576$45.0M0.03%+398,565+72.1%Added
FMR LLC791,715$37.5M0.00%+247,006+45.3%Added
Geode Capital Management, LLC658,902$31.2M0.00%+30,234+4.8%Added
Connor, Clark & Lunn Investment Management Ltd.636,893$30.1M0.06%+300,177+89.1%Added
Weber Capital Management LLC538,437$25.5M21.69%−3,871−0.7%Reduced
Wellington Management Group LLP412,910$19.5M0.00%−281,898−40.6%Reduced
Charles Schwab Investment Management Inc403,197$19.1M0.00%−17,230−4.1%Reduced
Acadian Asset Management LLC323,866$15.3M0.02%+113,226+53.8%Added
Royce & Associates LP309,015$14.6M0.12%−209,100−40.4%Reduced
D. E. Shaw & Co., Inc.284,225$13.5M0.01%+4,637+1.7%Added
Goldman Sachs Group Inc279,113$13.2M0.00%+11,431+4.3%Added
Millennium Management LLC267,648$12.7M0.01%+69,866+35.3%Added
Northern Trust Corp261,018$12.4M0.00%+14,228+5.8%Added
Jane Street Group, LLC234,335$11.1M0.01%+234,335New
Morgan Stanley217,176$10.3M0.00%+20,281+10.3%Added
Invesco Ltd.207,842$9.84M0.00%−167,931−44.7%Reduced
Apis Capital Advisors, LLC206,280$9.76M0.95%+206,280New
Congress Asset Management Co203,460$9.63M0.06%+203,460New
Panagora Asset Management Inc194,356$9.20M0.03%+135,571+230.6%Added
Vanguard Fiduciary Trust Co163,428$7.74M0.00%+485+0.3%Added
Jacobs Levy Equity Management, Inc160,918$7.62M0.03%−192,996−54.5%Reduced
T. Rowe Price Investment Management, Inc.153,998$7.29M0.00%+153,998New
Bridgeway Capital Management, LLC149,537$7.08M0.12%+9,206+6.6%Added
Bank of America Corp145,243$6.87M0.00%+17,551+13.7%Added
Tudor Investment Corp Et Al144,312$6.83M0.03%+74,762+107.5%Added
Bank of New York Mellon Corp141,445$6.69M0.00%+1,911+1.4%Added
UBS Group AG135,116$6.40M0.00%−53,624−28.4%Reduced
Empowered Funds, LLC129,537$6.13M0.03%+9,206+7.7%Added
Principal Financial Group Inc120,056$5.68M0.00%−190.0%Reduced
Trexquant Investment LP117,474$5.56M0.03%−56,626−32.5%Reduced
JPMorgan Chase & Co109,566$4.95M0.00%−234,466−68.2%Reduced
IMC-Chicago, LLC99,791$4.72M0.04%+99,791New
Susquehanna International Group, LLP96,522$4.57M0.00%+54,787+131.3%Added
Wedge Capital Management L L P91,440$4.33M0.07%−21,114−18.8%Reduced
Public Sector Pension Investment Board85,371$4.04M0.01%−3,016−3.4%Reduced
AQR Capital Management LLC83,433$3.95M0.00%−58,224−41.1%Reduced
BNP Paribas Arbitrage, SA76,044$3.60M0.00%−29,222−27.8%Reduced
Rhumbline Advisers61,676$2.92M0.00%−10,369−14.4%Reduced
American Century Companies Inc61,255$2.90M0.00%+2,930+5.0%Added
Citigroup Inc61,099$2.89M0.00%+54,330+802.6%Added
Nuveen, LLC55,668$2.63M0.00%+7,251+15.0%Added
Russell Investments Group, Ltd.55,849$2.60M0.00%+21,769+63.9%Added
Algert Global LLC54,200$2.57M0.03%−66,140−55.0%Reduced
Legal & General Group Plc54,126$2.56M0.00%−2,680−4.7%Reduced
Deutsche Bank AG52,853$2.50M0.00%+3,311+6.7%Added
Swiss National Bank49,300$2.33M0.00%−1,100−2.2%Reduced
Ameriprise Financial Inc47,029$2.23M0.00%−6,903−12.8%Reduced
Franklin Resources Inc40,523$1.92M0.00%−15,811−28.1%Reduced
Citadel Advisors LLC39,368$1.86M0.00%+2,934+8.1%Added
Price T Rowe Associates Inc39,104$1.85M0.00%+6,281+19.1%Added
XTX Topco Ltd37,562$1.78M0.02%+14,628+63.8%Added
Quantinno Capital Management LP36,440$1.72M0.00%−808−2.2%Reduced
Winton Group Ltd34,889$1.65M0.05%−26,043−42.7%Reduced
Numerai GP LLC32,941$1.56M0.13%−65,033−66.4%Reduced
Mork Capital Management, LLC30,000$1.42M0.91%−15,000−33.3%Reduced
Healthcare of Ontario Pension Plan Trust Fund29,005$1.37M0.00%+29,005New
California State Teachers Retirement System27,820$1.32M0.00%+4,036+17.0%Added
Massachusetts Financial Services Co26,638$1.26M0.00%−1,062−3.8%Reduced
New Age Alpha Advisors, LLC24,986$1.18M0.05%+24,986New
Counterpoint Mutual Funds LLC24,712$1.17M0.12%−14,867−37.6%Reduced
Raymond James Financial Inc23,317$1.10M0.00%−498−2.1%Reduced
Y-Intercept (Hong Kong) Ltd22,218$1.05M0.02%−13,152−37.2%Reduced
Marex Group plc21,500$1.02M0.01%+21,500New
Dynamic Technology Lab Private Ltd21,440$1.01M0.23%+21,440New
Wells Fargo & Company21,414$1.01M0.00%+11,342+112.6%Added
Creative Planning21,107$999.0K0.00%+5,183+32.5%Added
Natixis20,000$946.6K0.00%00.0%Unchanged
Jump Financial, LLC19,800$937.1K0.01%−21,700−52.3%Reduced
Neuberger Berman Group LLC19,063$902.3K0.00%+79+0.4%Added
Walleye Trading LLC18,979$898.3K0.01%+18,979New
Gsa Capital Partners LLP16,925$801.0K0.05%−38,345−69.4%Reduced
Brevan Howard Capital Management LP16,483$780.1K0.01%−2,688−14.0%Reduced
Thrivent Financial for Lutherans16,313$772.0K0.00%−175−1.1%Reduced
Alliancebernstein L.P.33,698$746.7K0.00%+13,198+64.4%Added
Vanguard Asset Management, Ltd15,523$734.7K0.00%00.0%Unchanged
Illinois Municipal Retirement Fund15,358$726.9K0.01%+2,975+24.0%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
MetLife Investment Management14,460$684.4K0.00%+143+1.0%Added
Jupiter Topco LLC13,485$637.9K0.00%+13,485New
Zurcher Kantonalbank (Zurich Cantonalbank)13,232$626.3K0.00%+4,787+56.7%Added
Diversified Trust Co12,912$611.1K0.01%+12,912New
Engineers Gate Manager LP12,250$579.8K0.01%−50,784−80.6%Reduced
Mirae Asset Global ETFs Holdings Ltd.11,391$539.1K0.00%−533−4.5%Reduced
Vanguard Global Advisers, LLC11,209$530.5K0.00%−9,814−46.7%Reduced
Louisiana State Employees Retirement System10,900$515.9K0.01%−100−0.9%Reduced
Natixis Advisors, L.P.10,275$486.0K0.00%+10,275New
New York State Common Retirement Fund10,096$477.8K0.00%+2,300+29.5%Added
State of Alaska, Department of Revenue9,450$447.0K0.00%−3,990−29.7%Reduced
SEI Investments Co8,964$424.3K0.00%−74,870−89.3%Reduced
Jain Global LLC8,658$409.8K0.00%+8,658New
Overbrook Management Corp8,304$393.0K0.06%+8,304New
Jones Financial Companies LLLP8,750$384.9K0.00%+1,264+16.9%Added
State of New Jersey Common Pension Fund D7,939$375.8K0.00%+7,939New