Alpha & Omega SemiconductorAOSL

13F holders, Q1 2025 (March 31)
156holders −21
20new positions
40sold out
3famous investors
$24.86avg. 13F price*

At the end of Q1 2025, 156 institutions reported holding Alpha & Omega Semiconductor (AOSL) in their 13F filings, down 21 from Q4 2024. 20 opened new positions and 40 sold out. The largest holders were BlackRock, Inc. ($93.7M), Vanguard Group Inc. ($58.1M) and Hood River Capital Management LLC ($49.4M). 3 famous investors held it, including Joel Greenblatt (0.0% of Gotham Asset Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Alpha & Omega Semiconductor
CUSIP
G6331P104
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 141Q1 2024Q2 2024: 166Q2 2024Q3 2024: 173Q3 2024Q4 2024: 177Q4 2024Q1 2025: 156Q1 2025Q2 2025: 164Q2 2025Q3 2025: 185Q3 2025Q4 2025: 168Q4 2025Q1 2026: 180Q1 2026Q2 2026: 216Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions20$32.6M
Exits40$55.2M

All 13F filers, Q4 2024 → Q1 2025: 4,649,857 shares bought and 2,567,367 shares sold, net +2,082,490 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 156 holders

BlackRock, Inc. 0.00% Reduce -4.1% 3,768,794 $93.7M
Vanguard Group Inc. 0.00% Reduce -3.0% 2,338,606 $58.1M
Hood River Capital Management LLC 0.84% Add +74.4% 1,986,142 $49.4M
Dimensional Fund Advisors LP 0.01% Reduce -6.8% 1,841,667 $45.8M
State Street Corp. 0.00% Add +16.1% 1,354,859 $33.7M
Manufacturers Life Insurance Company, The 0.03% Add +5.3% 1,252,531 $31.1M
Wellington Management Group LLP 0.00% Add +43.4% 908,043 $22.6M
Robeco Schweiz AG 0.48% New 781,752 $19.4M
Invesco Ltd. 0.00% Add +409.1% 759,509 $18.9M
Geode Capital Management, LLC 0.00% Add +3.2% 598,887 $14.9M
Boston Partners 0.02% Add +2738.7% 595,137 $14.8M
FMR LLC 0.00% Add +2.1% 547,975 $13.6M
Clearline Capital LP 0.94% New 372,780 $9.3M
Morgan Stanley 0.00% Add +26.4% 361,172 $9.0M
Royce & Associates LP 0.09% Reduce -6.1% 345,314 $8.6M
First Eagle Investment Management, LLC 0.02% Reduce -2.8% 306,708 $7.6M
Northern Trust Corp. 0.00% Reduce -3.6% 252,039 $6.3M
Charles Schwab Investment Management Inc. 0.00% Add +7.5% 241,749 $6.0M
Bank of America Corp. 0.00% Add +299.3% 233,486 $5.8M
Gagnon Securities LLC 1.17% Add +0.3% 214,761 $5.3M
Oberweis Asset Management Inc./ 0.22% No change 177,700 $4.4M
Uniplan Investment Counsel, Inc. 0.44% Reduce -7.6% 177,263 $4.4M
Peregrine Capital Management LLC 0.14% Reduce -5.2% 175,020 $4.4M
Russell Investments Group, Ltd. 0.01% Add +161.4% 174,593 $4.3M
UBS Group AG 0.00% Add +43.8% 148,446 $3.7M
Acuitas Investments, LLC 3.10% Add +26.3% 146,373 $3.6M
Bank of New York Mellon Corp 0.00% Reduce -4.6% 140,572 $3.5M
Goldman Sachs Group Inc. 0.00% Reduce -23.5% 120,352 $3.0M
Gagnon Advisors, LLC 2.11% No change 120,196 $3.0M
Principal Financial Group Inc. 0.00% Add +4.0% 120,105 $3.0M
Brandywine Global Investment Management, LLC 0.02% Reduce -3.8% 94,783 $2.4M
Sei Investments Co. 0.00% Reduce -2.6% 83,824 $2.1M
Public Sector Pension Investment Board 0.01% Add +28.6% 76,446 $1.9M
Wedge Capital Management L L P 0.03% Add +60.2% 70,951 $1.8M
Susquehanna International Group, LLP 0.00% Add +43.0% 70,825 $1.8M
Two Sigma Investments, LP 0.00% Reduce -43.9% 70,189 $1.7M
Rhumbline Advisers 0.00% Reduce -1.8% 69,419 $1.7M
State of Wisconsin Investment Board 0.00% Add +281.0% 66,872 $1.7M
Nuveen, LLC 0.00% — 63,688 $1.6M
Legal & General Group Plc 0.00% Reduce -2.3% 62,942 $1.6M
Voya Investment Management LLC 0.00% Add +760.5% 62,448 $1.6M
Ardsley Advisory Partners LP 0.31% New 53,700 $1.3M
American Century Companies Inc. 0.00% Reduce -51.5% 52,602 $1.3M
Ameriprise Financial Inc. 0.00% Reduce -2.2% 51,659 $1.3M
Victory Capital Management Inc. 0.00% Add +175.5% 50,246 $1.2M
Swiss National Bank 0.00% Reduce -1.4% 47,800 $1.2M
Voloridge Investment Management, LLC 0.00% New 47,359 $1.2M
Deutsche Bank AG 0.00% Add +125.5% 47,342 $1.2M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -5.4% 46,180 $1.1M
WINTON GROUP Ltd 0.06% Add +110.3% 40,965 $1.0M
Citigroup Inc. 0.00% Reduce -1.2% 37,651 $936K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -46.1% 36,381 $904K
Alliancebernstein L.P. 0.00% No change 32,157 $799K
Barclays PLC 0.00% Reduce -55.7% 31,086 $773K
Verition Fund Management LLC 0.00% Add +231.1% 30,249 $752K
Mork Capital Management, LLC 0.58% No change 30,000 $746K
Boothbay Fund Management, LLC 0.02% Reduce -76.0% 25,121 $625K
T. Rowe Price Associates Inc. 0.00% Add +4.6% 24,187 $602K
California State Teachers Retirement System 0.00% No change 22,974 $571K
Raymond James Financial Inc. 0.00% Reduce -11.3% 22,095 $549K
Squarepoint Ops LLC 0.00% Reduce -42.1% 21,739 $540K
AQR Capital Management 0.00% New 18,956 $471K
Polymer Capital Management (HK) LTD 0.08% Reduce -63.4% 18,065 $449K
Stratos Wealth Partners, LTD. 0.01% Reduce -0.6% 17,875 $444K
Jane Street Group, LLC 0.00% Reduce -71.9% 17,847 $444K
Thrivent Financial for Lutherans 0.00% Reduce -3.7% 17,717 $440K
Wells Fargo & Company 0.00% Reduce -37.7% 17,401 $433K
First Trust Advisors LP 0.00% Add +1.2% 16,761 $417K
Citadel Advisors 0.00% Reduce -83.9% 16,523 $411K
Geneos Wealth Management Inc. 0.01% Add +12.3% 16,362 $407K
Redwood Wealth Management Group, LLC 0.20% Add +9.1% 16,079 $400K
Two Sigma Advisers, LP 0.00% Reduce -61.2% 15,700 $390K
Pacific Point Advisors, LLC 0.21% Add +87.5% 15,000 $373K
MetLife Investment Management, LLC 0.00% Reduce -2.0% 14,317 $356K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.6% 14,167 $352K
JPMorgan Chase & Co. 0.00% Reduce -55.9% 14,137 $351K
Janus Henderson Group PLC 0.00% No change 13,485 $351K
Illinois Municipal Retirement Fund 0.01% Add +28.7% 13,822 $344K
State of Alaska, Department of Revenue 0.00% Reduce -0.8% 13,365 $332K
Franklin Resources Inc. 0.00% Reduce -0.2% 13,270 $330K
Corebridge Financial, Inc. 0.00% Reduce -1.8% 12,440 $309K
Intech Investment Management LLC 0.00% Add +40.1% 12,313 $306K
Bridgeway Capital Management, LLC 0.01% Reduce -75.4% 12,175 $303K
Royal Bank of Canada 0.00% Add +7.4% 11,939 $297K
Louisiana State Employees Retirement System 0.01% Reduce -0.9% 11,400 $283K
LPL Financial LLC 0.00% Add +11.1% 10,566 $263K
Two Sigma Securities, LLC 0.04% New 10,256 $255K
Prelude Capital Management, LLC 0.03% Reduce -64.4% 10,237 $254K
Yousif Capital Management, LLC 0.00% Reduce -1.5% 8,911 $222K
Gotham Asset Management 0.00% New 8,720 $217K
Overbrook Management Corp 0.05% No change 8,304 $206K
New York State Teachers Retirement System 0.00% No change 8,070 $201K
New York State Common Retirement Fund 0.00% No change 7,796 $194K
Quantbot Technologies LP 0.01% New 7,539 $187K
BNP Paribas Financial Markets 0.00% Reduce -27.4% 7,339 $182K
Teachers Retirement System of the State of Kentucky 0.00% No change 7,226 $180K
Amalgamated Bank 0.00% Reduce -4.2% 6,682 $166K
Aquatic Capital Management LLC 0.00% New 6,522 $162K
Oregon Public Employees Retirement Fund 0.00% No change 5,560 $138K
State of Tennessee, Department of Treasury 0.00% Reduce -35.8% 5,477 $136K
Police & Firemen's Retirement System of New Jersey 0.00% No change 5,204 $129K
Eastern Bank 0.00% No change 4,676 $116K
KLP Kapitalforvaltning As 0.00% No change 4,500 $112K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 4,407 $110K
Canada Pension Plan Investment Board 0.00% New 3,000 $75K
STRS Ohio 0.00% Add +154.6% 2,800 $70K
Strengthening Families & Communities, LLC 0.04% No change 2,500 $62K
Ameritas Investment Partners, Inc. 0.00% No change 2,305 $57K
Larson Financial Group LLC 0.00% Add +117.8% 2,221 $55K
GAMMA Investing LLC 0.00% Add +94.7% 1,221 $30K
PNC Financial Services Group, Inc. 0.00% Add +13.3% 1,029 $26K
US Bancorp \de 0.00% Reduce -75.1% 845 $21K
Tower Research Capital LLC (TRC) 0.00% Reduce -92.1% 735 $18K
CIBC Private Wealth Group LLC 0.00% No change 1,000 $18K
IFP Advisors, Inc 0.00% Reduce -9.0% 679 $17K
Arax Advisory Partners 0.00% New 568 $14K
Pinpoint Asset Management Ltd 0.00% Reduce -95.9% 529 $13K
Wilmington Savings Fund Society, FSB 0.00% No change 500 $12K
Osaic Holdings, Inc. 0.00% Reduce -0.8% 467 $12K
Public Employees Retirement System of Ohio 0.00% No change 443 $11K
Nisa Investment Advisors, LLC 0.00% Reduce -13.2% 426 $11K
Sterling Capital Management LLC 0.00% Reduce -45.6% 411 $10K
Cwm, LLC 0.00% No change 383 $10K
SBI Securities Co., Ltd. 0.00% Reduce -3.9% 296 $7K
Versant Capital Management, Inc 0.00% Add +197.9% 289 $7K
Harbor Capital Advisors, Inc. 0.00% Add +45.1% 280 $7K
Brooklyn Investment Group 0.00% Add +56.5% 263 $7K
Truvestments Capital LLC 0.00% Reduce -76.0% 228 $6K
Smartleaf Asset Management LLC 0.00% Reduce -8.0% 208 $5K
Jones Financial Companies LLLP 0.00% No change 200 $5K
City State Bank 0.00% No change 200 $5K
Bayforest Capital Ltd 0.00% New 180 $4K
Farther Finance Advisors, LLC 0.00% Reduce -72.6% 171 $4K
Fifth Third Bancorp 0.00% Add +157.6% 170 $4K
Signaturefd, LLC 0.00% Reduce -4.1% 165 $4K
Huntington National Bank 0.00% Reduce -25.9% 126 $3K
Spire Wealth Management 0.00% No change 100 $2K
Caitong International Asset Management Co., Ltd 0.00% Add +1125.0% 98 $2K
WealthCollab, LLC 0.00% No change 65 $2K
Allworth Financial LP 0.00% Add +100.0% 80 $2K
MassMutual Private Wealth & Trust, FSB 0.00% No change 56 $1K
Coldstream Capital Management Inc. 0.00% New 49 $1K
Rothschild Investment LLC 0.00% Add +200.0% 45 $1K
Picton Mahoney Asset Management 0.00% No change 32 $1K
Advisors Asset Management, Inc. 0.00% New 24 $597
Farmers & Merchants Investments Inc. 0.00% No change 16 $398
Stephens Consulting, LLC 0.00% New 15 $373
Parkside Financial Bank & Trust 0.00% Reduce -6.7% 14 $349
CoreCap Advisors, LLC 0.00% New 14 $348
UMB Bank, n.a. 0.00% Reduce -56.7% 13 $323
TD Capital Management LLC 0.00% New 8 $199
HHM Wealth Advisors, LLC 0.00% No change 6 $150
True Wealth Design, LLC 0.00% New 2 $50
Bessemer Group Inc. 0.00% New 7 $0
Hantz Financial Services, Inc. 0.00% New 11 $0
Covestor Ltd 0.00% No change 3 $0

"% of holder's portfolio" is AOSL's weight in each manager's 13F, not the share of Alpha & Omega Semiconductor the manager owns.