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Disclosery

AOSL ALPHA & OMEGA SEMICONDUCTOR

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SHS (common), issuer CIK 1387467

180 managers (185 13F filers) reported a position in AOSL shares at 2025-09-30, 22,139,200 shares in all. 34 filers opened a position and 14 filers sold out during the quarter.

Managers
180
13F filers
185
New
34
Added
66
Reduced
50
Sold out
14
Shares held by filers
22,139,200

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.3,845,295$108M<0.01%-12,65913F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC2,453,975$68.6M<0.01%+33,95913F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,687,666$47.2M0.01%-32,56713F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …1,555,003$43.5M0.04%+143,60313F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,212,058$33.9M<0.01%-66,66713F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…864,965$24.2M<0.01%+113,07713F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp786,630$22M0.02%-322,74713F-HRTimelineGroup
Robeco Schweiz AGin group Robeco Institutional Asset Ma…785,264$22M0.49%+2,76113F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC637,876$17.8M0.01%+232,81713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC607,477$17M<0.01%+5,80513F-HRTimelineGroup
FMR LLCin group FMR LLC515,044$14.4M<0.01%+58313F-HRTimelineGroup
ROYCE & ASSOCIATES LP427,353$11.9M0.12%-3,57813F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC370,350$10.4M<0.01%-98,57013F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co344,601$9.64M<0.01%+43,56013F-HRTimelineGroup
GAGNON SECURITIES LLCgroup of 2 filers holding335,545$9.38M-631Timeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…326,608$9.13M0.02%-2,60013F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.318,633$8.91M<0.01%-9,53713F-HRTimelineGroup
OBERWEIS ASSET MANAGEMENT INC/271,100$7.58M0.29%+26,80013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY262,816$7.35M<0.01%+21,62913F-HR/ATimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding257,320$7.19M-20,384Timeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP251,879$7.04M<0.01%+1,81513F-HRTimelineGroup
Acuitas Investments, LLC240,920$6.74M4.32%+67,10013F-HR/ATimeline
PEREGRINE CAPITAL MANAGEMENT LLC222,074$6.21M0.19%-66513F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…190,221$5.32M0.01%-19,02613F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/179,297$5.01M<0.01%-31,98413F-HR/ATimelineGroup
Uniplan Investment Counsel, Inc.160,515$4.49M0.44%-26,61413F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO158,844$4.44M<0.01%+66,72313F-HR/ATimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp146,648$4.1M<0.01%+2,35113F-HRTimelineGroup
SG Americas Securities, LLC127,276$3.56M0.01%new13F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC119,323$3.34M<0.01%-1,65313F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…112,672$3.15M0.01%+32,32113F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding110,679$3.09M-35,377Timeline
UBS Group AGgroup of 2 filers holding104,995$2.94M+18,810Timeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO103,072$2.88M<0.01%-67213F-HRTimelineGroup
Public Sector Pension Investment Board96,362$2.69M0.01%+13,17013F-HRTimeline
Numerai GP LLC89,695$2.51M0.35%+24,49213F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC82,597$2.31M<0.01%-8,62513F-HR/ATimelineGroup
Verition Fund Management LLC81,513$2.28M0.01%+19,51513F-HRTimeline
RHUMBLINE ADVISERS73,474$2.05M<0.01%+41813F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC72,983$2.04M0.04%+47,79813F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc65,040$1.82M<0.01%-35913F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC64,302$1.8M<0.01%+6,45013F-HRTimelineGroup
ALGERT GLOBAL LLC63,319$1.77M0.03%+24,78013F-HR/ATimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC60,097$1.68M<0.01%+58713F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD56,921$1.59M<0.01%-29,87013F-HRTimeline
Empowered Funds, LLC52,983$1.48M0.01%new13F-HRTimeline
Swiss National Bank49,100$1.37M<0.01%+1,30013F-HRTimeline
Nuveen, LLCin group TIAA48,149$1.35M<0.01%013F-HRTimelineGroup
WINTON GROUP Ltdin group WINTON GROUP Ltd47,351$1.32M0.05%-2,26813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC47,104$1.32M<0.01%-2,81013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\46,215$1.29M<0.01%+2,37213F-HRTimelineGroup
Mork Capital Management, LLC45,000$1.26M0.87%013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC44,658$1.25M<0.01%+14,14713F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP36,181$1.01M0.08%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.32,090$897K<0.01%013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC30,612$856K<0.01%+8,46613F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP29,041$812K<0.01%-35613F-HRTimelineGroup
ExodusPoint Capital Management, LP27,948$781K0.01%new13F-HRTimeline
Engineers Gate Manager LP27,680$774K0.01%+19,23113F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/26,636$745K<0.01%+82113F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC24,301$679K<0.01%new13F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…22,976$642K<0.01%+213F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC22,525$630K<0.01%+1,61613F-HRTimelineGroup
PDT Partners, LLC21,287$595K0.04%-1313F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN20,684$578K<0.01%+3,38813F-HRTimelineGroup
Redwood Wealth Management Group, LLC19,741$552K0.23%+2,39013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources19,228$538K<0.01%+5,90113F-HRTimelineGroup
Quantinno Capital Management LP19,191$537K<0.01%+98413F-HRTimeline
Trexquant Investment LP17,969$502K0.01%new13F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…17,820$498K<0.01%-12413F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding16,301$456KnewTimeline
Brooklyn Investment Group16,517$425K0.06%+1,53213F-HR/ATimeline
MetLife Investment Management, LLCin group MetLife Investment Management…14,317$400K<0.01%013F-HRTimelineGroup
State of Alaska, Department of Revenue13,698$382K<0.01%-83213F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson13,485$377K<0.01%013F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC12,953$362K<0.01%-2,54413F-HRTimeline
Illinois Municipal Retirement Fund12,854$359K<0.01%+1,86213F-HRTimeline
Counterpoint Mutual Funds LLC12,494$349K0.03%new13F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP12,218$342K<0.01%new13F-HRTimelineGroup
Versor Investments LP12,054$337K0.06%+3,65413F-HRTimeline
Creative Planningin group Creative Planning11,993$335K<0.01%+2,33513F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC11,811$330K<0.01%-5,20213F-HRTimeline
CITIGROUP INCin group CITIGROUP INC11,773$329K<0.01%-14,19513F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…11,727$328K<0.01%-2,02413F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC11,519$322K<0.01%+1,40513F-HRTimelineGroup
Louisiana State Employees Retirement Sy…11,400$319K0.01%013F-HRTimeline
Quantbot Technologies LP11,234$314K0.01%+7,78913F-HRTimeline
TUDOR INVESTMENT CORP ET AL10,913$305K<0.01%-33,56913F-HR/ATimeline
Jain Global LLC10,800$302K<0.01%new13F-HRTimeline
Gotham Asset Management, LLC9,978$279K<0.01%-3,83213F-HRTimeline
JOURNEY STRATEGIC WEALTH LLC9,658$270K0.01%+12713F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management9,524$266K<0.01%new13F-HRTimelineGroup
FIRST CITIZENS BANK & TRUST CO9,263$259K0.01%new13F-HRTimeline
Overbrook Management Corp8,304$232K0.04%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA8,183$230K<0.01%-3,80313F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND7,796$218K<0.01%013F-HRTimeline
HighTower Advisors, LLC7,735$216K<0.01%new13F-HRTimeline
FourThought Financial Partners, LLC7,679$215K0.02%new13F-HRTimeline
Graham Capital Management, L.P.7,529$211K0.01%new13F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC7,501$210K<0.01%-1,41013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM7,459$209K<0.01%new13F-HRTimeline
AMALGAMATED BANK7,173$201K<0.01%+25913F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…6,824$191K<0.01%-40213F-HRTimeline
Police & Firemen's Retirement System of…6,827$191K<0.01%+1,62313F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…6,437$180K<0.01%-1,33313F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS6,123$171K<0.01%+3,63513F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND5,560$155K<0.01%013F-HRTimeline
State of Tennessee, Department of Treas…5,477$153K<0.01%013F-HRTimeline
EASTERN BANK4,676$131K<0.01%013F-HRTimeline
KLP KAPITALFORVALTNING AS4,500$126K<0.01%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…4,407$123K<0.01%013F-HRTimeline
GAMMA Investing LLC4,109$115K0.01%+72413F-HRTimeline
iSAM Funds (UK) Ltdin group iSAM Funds (UK) Ltd3,261$91.2K0.02%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,049$85.2K<0.01%-1,90813F-HRTimelineGroup
STRS OHIO2,800$78.3K<0.01%013F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD2,800$78.3K<0.01%-8,00013F-HRTimeline
Strengthening Families & Communities, L…2,500$69.9K0.02%013F-HRTimeline
CWM, LLCin group CWM, LLC2,314$65K<0.01%+38613F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,305$64.4K<0.01%013F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…2,205$61.7K<0.01%new13F-HRTimelineGroup
Versant Capital Management, Inc1,888$52.8K0.01%+19413F-HRTimeline
Sterling Capital Management LLC1,728$48.3K<0.01%+1,09013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,683$47.1K<0.01%+15013F-HRTimelineGroup
Covestor Ltd1,166$33K0.02%-513F-HRTimeline
SIMPLEX TRADING, LLC1,159$32K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,115$31.2K<0.01%+10313F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.1,036$29K<0.01%+89513F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Arax Advisory Partners801$22.4K<0.01%+63913F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\751$21K<0.01%-42813F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.733$20.8K<0.01%+10813F-HRTimelineGroup
SIGNATUREFD, LLC683$19.1K<0.01%-213F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…561$15.7K<0.01%+5813F-HRTimeline
Wilmington Savings Fund Society, FSB500$14K<0.01%013F-HR/ATimeline
Global Retirement Partners, LLC346$9.67K<0.01%013F-HRTimeline
Allworth Financial LP289$8.08K<0.01%-33913F-HRTimeline
Caitong International Asset Management …288$8.05K0.01%+24313F-HRTimeline
SBI Securities Co., Ltd.276$7.72K<0.01%-3013F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…262$7.33K<0.01%new13F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…256$7.16K<0.01%+4513F-HRTimelineGroup
Truvestments Capital LLC228$6.38K<0.01%013F-HRTimeline
Salomon & Ludwin, LLC218$6.15K<0.01%new13F-HRTimeline
Advisory Services Network, LLC205$5.73K<0.01%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP200$5.69K<0.01%-5013F-HRTimelineGroup
City State Bank200$5.59K<0.01%013F-HRTimeline
UMB Bank, n.a.179$5K<0.01%+2013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK158$4.42K<0.01%013F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…140$3.91K<0.01%new13F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.134$3.75K<0.01%new13F-HRTimelineGroup
Larson Financial Group LLC113$3.16K<0.01%+5613F-HRTimeline
MassMutual Private Wealth & Trust, FSB107$2.99K<0.01%013F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management100$2.8K<0.01%013F-HRTimelineGroup
Farther Finance Advisors, LLC79$2.21K<0.01%-1,72213F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC79$2K<0.01%+7213F-HRTimelineGroup
Fortitude Family Office, LLC65$1.82K<0.01%013F-HRTimeline
True Wealth Design, LLC60$1.68K<0.01%+1113F-HRTimeline
Blue Trust, Inc.57$1.59K<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC54$1.51K<0.01%new13F-HRTimeline
Stephens Consulting, LLC52$1.45K<0.01%new13F-HRTimeline
Physician Wealth Advisors, Inc.51$1.43K<0.01%-2113F-HRTimeline
Quarry LP47$1.31K<0.01%new13F-HRTimeline
Cedar Mountain Advisors, LLC46$1.29K<0.01%new13F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT32$1K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…31$867<0.01%013F-HRTimelineGroup
Tortoise Investment Management, LLC27$755<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust25$699<0.01%013F-HRTimeline
Advisors Asset Management, Inc.42$665<0.01%-313F-HR/ATimeline
Vermillion Wealth Management, Inc.21$587<0.01%new13F-HRTimeline
Financial Network Wealth Advisors LLC20$559<0.01%013F-HRTimeline
Essential Partners LLC18$503<0.01%+1013F-HRTimeline
Breakwater Investment Management17$476<0.01%new13F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…16$447<0.01%013F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC15$419<0.01%-1013F-HRTimeline
Wealthspire Advisors, LLC12$336<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC8$221<0.01%+113F-HRTimeline
IFP Advisors, Inc6$168<0.01%+613F-HR/ATimeline
HHM Wealth Advisors, LLC6$168<0.01%013F-HRTimeline
Parallel Advisors, LLC2$56<0.01%013F-HRTimeline
Clearstead Advisors, LLC1$28<0.01%new13F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1$28<0.01%013F-HRTimelineGroup
Avion Wealth23$00%-2313F-HRTimelineValue filed as zero, left out of ratios.