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Equibles

AOSL

ALPHA & OMEGA SEMICONDUCTOR Ltd

Company with tickers: AOSL

CIK
1387467
CUSIP
G6331P104
Shares Outstanding
29,929,578
13F Activity (30d)
104 filings 97 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 180
Total Value: $494,324,051
Total Shares: 22,307,047
Showing 1–100 of 184 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 180 13F filers · Δ vs Dec 31, 2025
Top Holder
17.5%
Jun 2023 → Mar 2026 · range 16.4% – 20.9%
+0.2 pts
Top 5
43.1%
Jun 2023 → Mar 2026 · range 43.1% – 57.5%
−5.8 pts
Top 10
58.7%
Jun 2023 → Mar 2026 · range 58.7% – 69.9%
−5.2 pts
HHI
565
Jun 2023 → Mar 2026 · range 565 – 849
Broadly held−75

Quarterly Activity

vs Dec 31, 2025
New
32
Increased
60
Decreased
53
Sold Out
19
Unchanged
35
Holder count: +13
Institutional value: +10.6%
Shares held: -1.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega TWO SIGMA INVESTMENTS, LP +274,894 553,011
Large JACOBS LEVY EQUITY MANAGEMENT, INC +229,163 353,914
Mega MILLENNIUM MANAGEMENT LLC +137,799 197,782
Large Connor, Clark & Lunn Investment Management Ltd. +132,205 336,716
Mega D. E. Shaw & Co., Inc. +119,000 279,588

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP −331,145 694,808
Mega GOLDMAN SACHS GROUP INC −179,338 267,682
Large Russell Investments Group, Ltd. −171,695 34,080
Mega JANE STREET GROUP, LLC −96,702 23,300
Mega BANK OF AMERICA CORP /DE/ −93,607 127,692

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 1,168,929 $25,903,466
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,051,231 $23,295,278
Mega VANGUARD FIDUCIARY TRUST CO 162,943 $3,610,816
Large Point72 Asset Management, L.P. 129,287 $2,864,999
Mid WEDGE CAPITAL MANAGEMENT L L P/NC 112,554 $2,494,196

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 2,424,320 $48,025,777
Large Boston Partners 689,143 $13,651,922
Large TWO SIGMA ADVISERS, LP 189,000 $3,744,090
Large Walleye Capital LLC 50,691 $1,004,188
Large VOYA INVESTMENT MANAGEMENT LLC 24,386 $483,086
Filter: New 32 Increased 60 Reduced 53 Sold out 19 Unchanged 35
Showing 100 of 184
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $86,529,831 17.50% 3,904,776
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $34,890,077 7.06% 1,574,462
Mega DIMENSIONAL FUND ADVISORS LP $34,655,380 7.01% 1,563,871
Mega STATE STREET CORP $31,058,348 6.28% 1,401,550
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $25,903,466 5.24% 1,168,929
Mega VANGUARD CAPITAL MANAGEMENT LLC $23,295,278 4.71% 1,051,231
Mega WELLINGTON MANAGEMENT GROUP LLP $15,396,945 3.11% 694,808
Mega GEODE CAPITAL MANAGEMENT, LLC $13,931,281 2.82% 628,668
Mega TWO SIGMA INVESTMENTS, LP $12,254,723 2.48% 553,011
Mega FMR LLC $12,070,751 2.44% 544,709
Micro WEBER CAPITAL MANAGEMENT LLC /ADV $12,017,545 2.43% 542,308
Mid ROYCE & ASSOCIATES LP $11,481,428 2.32% 518,115
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $9,316,662 1.88% 420,427
Mega Invesco Ltd. $8,327,128 1.68% 375,773
Large JACOBS LEVY EQUITY MANAGEMENT, INC $7,842,734 1.59% 353,914
Mega JPMORGAN CHASE & CO $7,623,747 1.54% 344,032
Large Connor, Clark & Lunn Investment Management Ltd. $7,461,626 1.51% 336,716
Mega D. E. Shaw & Co., Inc. $6,195,670 1.25% 279,588
Mega GOLDMAN SACHS GROUP INC $5,931,832 1.20% 267,682
Mega NORTHERN TRUST CORP Bank $5,468,864 1.11% 246,790
Large ACADIAN ASSET MANAGEMENT LLC $4,667,782 0.94% 210,640
Mega MILLENNIUM MANAGEMENT LLC $4,382,849 0.89% 197,782
Mega MORGAN STANLEY $4,363,191 0.88% 196,895
Mega UBS Group AG $4,182,477 0.85% 188,740
Large Trexquant Investment LP $3,858,056 0.78% 174,100
Small GAGNON SECURITIES LLC Broker-Dealer $3,720,087 0.75% 167,874
Mega VANGUARD FIDUCIARY TRUST CO Bank $3,610,816 0.73% 162,943
Mid PEREGRINE CAPITAL MANAGEMENT LLC $3,585,953 0.73% 161,821
Small Uniplan Investment Counsel, Inc. $3,327,412 0.67% 150,154
Mega AQR CAPITAL MANAGEMENT LLC $3,139,117 0.64% 141,657
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $3,109,734 0.63% 140,331
Mega Bank of New York Mellon Corp Bank $3,092,071 0.63% 139,534
Large Point72 Asset Management, L.P. $2,864,999 0.58% 129,287
Mega BANK OF AMERICA CORP /DE/ Bank $2,829,653 0.57% 127,692
Mid ALGERT GLOBAL LLC $2,666,734 0.54% 120,340
Large Empowered Funds, LLC $2,666,534 0.54% 120,331
Small Gagnon Advisors, LLC $2,663,543 0.54% 120,196
Mega PRINCIPAL FINANCIAL GROUP INC $2,660,861 0.54% 120,075
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $2,494,196 0.50% 112,554
Mega BNP PARIBAS ARBITRAGE, SA $2,332,694 0.47% 105,266
Small Numerai GP LLC $2,171,103 0.44% 97,974
Large Public Sector Pension Investment Board Pension $1,958,655 0.40% 88,387
Large SEI INVESTMENTS CO $1,857,760 0.38% 83,834
Large STATE OF WISCONSIN INVESTMENT BOARD $1,739,626 0.35% 78,503
Large SG Americas Securities, LLC Broker-Dealer $1,605,669 0.32% 72,458
Mega RHUMBLINE ADVISERS $1,596,517 0.32% 72,045
Large TUDOR INVESTMENT CORP ET AL $1,541,228 0.31% 69,550
Mid Susquehanna Portfolio Strategies, LLC $1,476,897 0.30% 66,647
Mid Engineers Gate Manager LP $1,396,833 0.28% 63,034
Mid WINTON GROUP Ltd $1,350,253 0.27% 60,932
Large PANAGORA ASSET MANAGEMENT INC $1,302,675 0.26% 58,785
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,300,792 0.26% 58,700
Mega AMERICAN CENTURY COMPANIES INC $1,292,482 0.26% 58,325
Mega Legal & General Group Plc $1,258,820 0.25% 56,806
Mega FRANKLIN RESOURCES INC $1,248,360 0.25% 56,334
Mid GSA CAPITAL PARTNERS LLP $1,224,783 0.25% 55,270
Mega AMERIPRISE FINANCIAL INC $1,195,133 0.24% 53,932
Mega Swiss National Bank Bank $1,116,864 0.23% 50,400
Mega DEUTSCHE BANK AG\ Bank $1,097,849 0.22% 49,542
Mega Nuveen, LLC $1,072,920 0.22% 48,417
Small Mork Capital Management, LLC $997,200 0.20% 45,000
Mega CITADEL ADVISORS LLC $975,040 0.20% 44,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $924,847 0.19% 41,735
Mid Jump Financial, LLC $919,640 0.19% 41,500
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $887,130 0.18% 40,033
Large First Eagle Investment Management, LLC $886,400 0.18% 40,000
Small Counterpoint Mutual Funds LLC Mutual Fund $877,070 0.18% 39,579
Large Quantinno Capital Management LP $825,415 0.17% 37,248
Mega CITADEL ADVISORS LLC $807,377 0.16% 36,434
Mid Y-Intercept (Hong Kong) Ltd $783,799 0.16% 35,370
Large Russell Investments Group, Ltd. $755,209 0.15% 34,080
Mega PRICE T ROWE ASSOCIATES INC /MD/ $727,357 0.15% 32,823
Small Arosa Capital Management LP $664,800 0.13% 30,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $642,640 0.13% 29,000
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $613,831 0.12% 27,700
Mid PDT Partners, LLC $562,310 0.11% 25,375
Mega RAYMOND JAMES FINANCIAL INC $527,739 0.11% 23,815
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $527,053 0.11% 23,784
Mega JANE STREET GROUP, LLC $516,328 0.10% 23,300
Mid XTX Topco Ltd $508,217 0.10% 22,934
Mega Vanguard Global Advisers, LLC $465,869 0.09% 21,023
Mega ALLIANCEBERNSTEIN L.P. $454,280 0.09% 20,500
Large MARSHALL WACE, LLP $452,063 0.09% 20,400
Mid DRW Securities, LLC Broker-Dealer $447,100 0.09% 20,176
Large NATIXIS $443,200 0.09% 20,000
Large HighTower Advisors, LLC $432,252 0.09% 19,506
Mid Brevan Howard Capital Management LP $424,829 0.09% 19,171
Mega NEUBERGER BERMAN GROUP LLC $420,685 0.09% 18,984
Mid JOURNEY STRATEGIC WEALTH LLC $394,225 0.08% 17,790
Mid Quantbot Technologies LP $381,417 0.08% 17,212
Large Thrivent Financial for Lutherans $365,374 0.07% 16,488
Large Creative Planning $352,875 0.07% 15,924
Mid FIRST CITIZENS BANK & TRUST CO Bank $350,792 0.07% 15,830
Large Verition Fund Management LLC $349,884 0.07% 15,789
Mega VANGUARD ASSET MANAGEMENT, Ltd $343,989 0.07% 15,523
Mid Envestnet Portfolio Solutions, Inc. $336,942 0.07% 15,205
Large MetLife Investment Management, LLC $317,264 0.06% 14,317
Mega JANUS HENDERSON GROUP PLC $298,827 0.06% 13,485
Mid State of Alaska, Department of Revenue $297,830 0.06% 13,440
Mid Illinois Municipal Retirement Fund Pension $274,407 0.06% 12,383

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