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Disclosery

MPWR MONOLITHIC PWR SYS INC

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Stock (common), issuer CIK 1280452

887 managers (910 13F filers) reported a position in MPWR shares at 2025-06-30, 47,350,529 shares in all. 123 filers opened a position and 84 filers sold out during the quarter.

Managers
887
13F filers
910
New
123
Added
378
Reduced
302
Sold out
84
Shares held by filers
47,350,529

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, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, 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
Pathstone Holdings, LLCin group Pathstone Holdings, LLC12,074$8.83M0.03%-1,27113F-HRTimelineGroup
Polar Capital Holdings Plcin group Polar Capital Holdings Plc12,050$8.81M0.05%-5,65013F-HRTimelineGroup
Nicholas Investment Partners, LP11,912$8.71M0.78%+17013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…11,743$8.59M0.05%+80613F-HRTimeline
Czech National Bank11,703$8.56M0.07%+71913F-HRTimeline
Aware Super Pty Ltd as trustee of Aware…11,505$8.41M0.12%-12,65913F-HRTimeline
NISA INVESTMENT ADVISORS, LLC11,442$8.39M0.04%-2,27013F-HRTimeline
XPONANCE LLC11,350$8.3M0.07%+23013F-HRTimeline
Mariner, LLCin group Mariner, LLC11,240$8.22M0.01%+1,00813F-HRTimelineGroup
4D Advisors, LLC11,000$8.05M4.33%+8,00013F-HRTimeline
NorthCrest Asset Manangement, LLC10,242$7.77M0.21%-5613F-HRTimeline
UniSuper Management Pty Ltd10,621$7.77M0.05%-62113F-HRTimeline
Lansforsakringar Fondforvaltning AB (pu…10,617$7.77M0.04%-5,43413F-HRTimeline
LEVEL FOUR ADVISORY SERVICES, LLCin group LEVEL FOUR ADVISORY SERVICES,…10,615$7.76M0.29%+1,28313F-HRTimelineGroup
WESTWOOD HOLDINGS GROUP INCin group WESTWOOD HOLDINGS GROUP INC10,558$7.72M0.06%+9113F-HR/ATimelineGroup
STOREBRAND ASSET MANAGEMENT AS10,395$7.6M0.02%+38313F-HRTimeline
AMALGAMATED BANK10,306$7.54M0.06%+13313F-HRTimeline
Verition Fund Management LLC10,295$7.53M0.04%+8,01113F-HRTimeline
Retirement Systems of Alabama10,276$7.52M0.03%013F-HRTimeline
COMERICA BANK9,906$7.24M0.03%+2,21613F-HRTimeline
Larson Financial Group LLC9,791$7.16M0.29%+92313F-HRTimeline
USS Investment Management Ltd9,663$7.07M0.04%+33113F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.9,536$6.97M0.03%+30713F-HRTimelineGroup
Greenland Capital Management LP9,517$6.96M0.9%new13F-HRTimeline
NewEdge Advisors, LLC9,383$6.86M0.04%+31413F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding9,367$6.85M-397Timeline
BLB&B Advisors, LLC9,205$6.73M0.31%+76813F-HRTimeline
Stratos Wealth Partners, LTD.in group Stratos Wealth Partners, LTD.9,178$6.71M0.09%-28813F-HRTimelineGroup
IFM Investors Pty Ltd9,140$6.68M0.06%+59213F-HRTimeline
BLAIR WILLIAM & CO/IL8,987$6.57M0.02%-52113F-HRTimeline
Cetera Investment Advisers8,938$6.54M0.01%-52613F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC8,871$6.48M0.01%+1,24213F-HRTimelineGroup
Woodline Partners LP8,541$6.25M0.03%new13F-HRTimeline
NFJ INVESTMENT GROUP, LLC8,106$5.93M0.21%new13F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC8,090$5.92M0.64%-97513F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC7,953$5.82M0.04%-2,16713F-HRTimelineGroup
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …7,938$5.8M0.27%-1,33913F-HRTimelineGroup
Utah Retirement Systems7,689$5.62M0.06%-7013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC7,650$5.6M<0.01%+6,87513F-HRTimelineGroup
FIRST FOUNDATION ADVISORSin group FIRST FOUNDATION ADVISORS7,614$5.57M0.21%+47713F-HRTimelineGroup
BRITISH COLUMBIA INVESTMENT MANAGEMENT …7,534$5.51M0.03%-1,79613F-HRTimeline
Polar Asset Management Partners Inc.7,290$5.33M0.13%new13F-HRTimeline
Midwest Trust Co7,252$5.3M0.07%13F-HRTimeline
Edgestream Partners, L.P.7,183$5.25M0.15%-1,93413F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…7,144$5.22M0.05%+8413F-HRTimelineGroup
Police & Firemen's Retirement System of…7,024$5.14M0.05%+21213F-HRTimeline
AMERICAN CAPITAL MANAGEMENT INC7,015$5.13M0.21%-8313F-HRTimeline
MACKENZIE FINANCIAL CORP7,004$5.12M0.01%-1,08813F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al7,000$5.12M0.04%013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC6,996$5.12M0.01%+71613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.7,233$5.1M0.01%+1,51113F-HR/ATimelineGroup
QRG CAPITAL MANAGEMENT, INC.6,959$5.09M0.04%-9513F-HRTimeline
Ethic Inc.6,852$5.04M0.09%+3,23613F-HRTimeline
CIBC Asset Management Inc6,605$4.83M0.02%-59413F-HRTimeline
MML INVESTORS SERVICES, LLC6,534$4.78M0.01%-1,19513F-HRTimeline
Federation des caisses Desjardins du Qu…6,374$4.66M0.02%+3,81513F-HRTimeline
Tredje AP-fonden6,349$4.64M0.04%-1,93713F-HRTimeline
FIRST AMERICAN TRUST, FSB6,337$4.63M0.37%+17513F-HRTimeline
Advisors Asset Management, Inc.6,318$4.62M0.08%-75713F-HR/ATimeline
BOKF, NAin group BOKF, NA6,150$4.5M0.07%-3,04113F-HRTimelineGroup
SYNOVUS FINANCIAL CORP6,143$4.49M0.05%+9013F-HRTimeline
HB Wealth Management, LLC6,067$4.44M0.04%+22113F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…6,028$4.41M0.05%-7213F-HRTimelineGroup
CIBC WORLD MARKETS CORP6,023$4.41M0.03%+21113F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…6,007$4.39M0.04%+5913F-HRTimelineGroup
Bank Julius Baer & Co. Ltd, Zurich5,987$4.38M0.01%+5,96013F-HR/ATimeline
PFG Advisors5,974$4.37M0.2%+1,13913F-HRTimeline
Private Advisor Group, LLC5,969$4.37M0.02%+48913F-HRTimeline
Wealthfront Advisers LLC5,928$4.34M0.01%-79113F-HRTimeline
WASATCH ADVISORS LP5,801$4.24M0.02%+73913F-HRTimeline
SATURNA CAPITAL CORP5,774$4.22M0.06%+4,15613F-HRTimeline
Rathbones Group PLC5,700$4.17M0.02%+70513F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV5,692$4.16M0.01%+60513F-HRTimeline
Knollwood Investment Advisory, LLC5,685$4.16M0.4%013F-HRTimeline
CARDEROCK CAPITAL MANAGEMENT INC5,667$4.14M1.06%-69213F-HRTimeline
Mirabaud Asset Management Ltd5,627$4.14M1.93%+78113F-HRTimeline
Empowered Funds, LLC5,604$4.1M0.05%+27913F-HRTimeline
Wilmington Savings Fund Society, FSB5,589$4.09M0.07%-11,94013F-HRTimeline
Perpetual Ltdin group Perpetual Ltd5,561$4.07M0.05%-97113F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC5,527$4.04M0.04%-3113F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …5,497$4.02M0.01%+61413F-HRTimelineGroup
Meiji Yasuda Life Insurance Cogroup of 2 filers holding5,458$3.99M-1,132Timeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.5,427$3.97M<0.01%-1,85013F-HRTimelineGroup
State of Alaska, Department of Revenue5,384$3.94M0.04%-22013F-HRTimeline
KORNITZER CAPITAL MANAGEMENT INC /KS5,227$3.82M0.08%013F-HRTimeline
RFG Advisory, LLC5,216$3.81M0.09%+18013F-HRTimeline
Crossmark Global Holdings, Inc.5,181$3.79M0.06%+72613F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …5,177$3.79M<0.01%-7,85413F-HRTimelineGroup
SHELL ASSET MANAGEMENT CO5,164$3.78M0.13%-1,86313F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC5,157$3.77M0.06%+27613F-HRTimeline
Bahl & Gaynor LLC5,157$3.77M0.02%013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC5,072$3.71M0.01%+4,05013F-HRTimelineGroup
OP Asset Management Ltd5,069$3.71M0.05%-2313F-HR/ATimeline
Parcion Private Wealth LLC5,053$3.7M0.26%new13F-HRTimeline
AZZAD ASSET MANAGEMENT INC /ADV5,032$3.68M0.39%+48013F-HRTimeline
&PARTNERS4,831$3.54M0.03%+1,39213F-HRTimeline
Taylor Frigon Capital Management LLC4,820$3.53M1.87%-60313F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP4,731$3.46M0.01%+6813F-HRTimelineGroup
Steward Partners Investment Advisory, L…4,705$3.44M0.03%-39413F-HRTimeline
BURR FINANCIAL SERVICES, LLC4,660$3.41M2.87%+4,12713F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp4,659$3.41M<0.01%new13F-HR/ATimelineGroup
Marex Group Ltdin group Marex Group Ltd4,609$3.37M0.06%new13F-HRTimelineGroup
Paragon Advisors, LLC4,607$3.37M0.88%+1,49113F-HRTimeline
Davidson Capital Management Inc.4,598$3.36M0.81%-55413F-HRTimeline
PINEBRIDGE INVESTMENTS, L.P.4,502$3.29M0.03%new13F-HRTimeline
KP Management LLC4,500$3.29M1.33%-2,00013F-HR/ATimeline
ASR Vermogensbeheer N.V.4,454$3.26M0.04%+2,28113F-HRTimeline
HighTower Advisors, LLC4,375$3.2M<0.01%+23913F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC4,302$3.15M0.01%-44113F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC4,289$3.14M0.04%-4,57813F-HR/ATimelineGroup
Kentucky Retirement Systemsgroup of 2 filers holding4,285$3.13M-287Timeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …4,236$3.11M<0.01%+39713F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND4,182$3.06M0.05%013F-HRTimeline
Linden Thomas Advisory Services, LLC4,174$3.05M0.34%+5313F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC4,110$3.01M0.03%+34013F-HRTimelineGroup
Global X Japan Co., Ltd.4,073$2.98M0.3%-9813F-HRTimeline
World Investment Advisors4,056$2.97M0.07%+2813F-HRTimeline
Hel Ved Capital Management Ltd4,000$2.93M1.32%new13F-HRTimeline
Trilogy Capital Inc.3,975$2.91M0.14%+38313F-HRTimeline
Avanza Fonder AB3,813$2.79M0.08%new13F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…3,806$2.78M0.02%+3813F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC3,805$2.78M0.02%+68813F-HRTimeline
1832 Asset Management L.P.3,804$2.78M<0.01%new13F-HRTimeline
Orion Porfolio Solutions, LLC3,753$2.74M0.02%+47713F-HR/ATimeline
Redhawk Wealth Advisors, Inc.3,720$2.72M0.34%+60113F-HRTimeline
PEAPACK GLADSTONE FINANCIAL CORP3,711$2.71M0.04%-7313F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…3,659$2.68M0.03%new13F-HRTimelineGroup
Investors Towarzystwo Funduszy Inwestyc…3,585$2.62M1.05%-1,03013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…3,412$2.59M<0.01%-30713F-HRTimeline
INTRUST BANK NA3,492$2.55M0.23%-11613F-HRTimeline
Kestra Advisory Services, LLCgroup of 3 filers holding3,490$2.55M+813Timeline
Harfst & Associates, Inc.3,436$2.51M0.52%+16513F-HRTimeline
Values First Advisors, Inc.3,411$2.5M1.36%+38613F-HRTimeline
GROUPAMA ASSET MANAGMENT3,378$2.49M0.04%-53913F-HRTimeline
AVANTAX ADVISORY SERVICES, INC.3,386$2.48M0.01%-6113F-HRTimeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC3,348$2.45M0.06%+7713F-HRTimelineGroup
Leelyn Smith, LLC3,324$2.43M0.4%+19313F-HRTimeline
SIRIOS CAPITAL MANAGEMENT L P3,318$2.43M0.35%-2,00313F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC3,312$2.42M0.05%13F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC3,304$2.42M0.02%-41313F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd3,298$2.41M0.1%new13F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC3,206$2.34M0.23%new13F-HRTimeline
GUIDANCE CAPITAL, INC2,962$2.33M0.66%+15813F-HRTimeline
HANCOCK WHITNEY CORP3,144$2.3M0.04%-13,01513F-HRTimeline
PROFUND ADVISORS LLC3,125$2.29M0.08%+313F-HRTimeline
Modern Wealth Management, LLC3,106$2.27M0.06%+21513F-HR/ATimeline
Torray Investment Partners LLC3,054$2.23M0.32%+213F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.3,049$2.23M0.03%+3,03213F-HRTimelineGroup
OMERS ADMINISTRATION Corp3,015$2.21M0.02%-1,19213F-HRTimeline
Summit Trail Advisors, LLC3,004$2.2M0.04%new13F-HRTimeline
Versor Investments LP2,993$2.19M0.39%+1,99513F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…2,963$2.17M<0.01%+22613F-HR/ATimelineGroup
Atria Investments, Inc2,966$2.17M0.03%+17613F-HRTimeline
Jackson Wealth Management, LLC2,930$2.14M0.23%+3413F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO2,886$2.11M0.07%-3013F-HRTimeline
GKV Capital Management Co., Inc.2,875$2.1M0.93%-1513F-HRTimeline
Thrive Capital Management, LLC2,865$2.1M0.66%+1,89813F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC2,800$2.05M0.02%+47213F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC2,773$2.03M0.01%new13F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp2,664$1.95M0.01%+5813F-HRTimelineGroup
Hennion & Walsh Asset Management, Inc.2,649$1.94M0.08%+32913F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding2,642$1.93M+45Timeline
COMMERCE BANKin group COMMERCE BANK2,628$1.92M0.01%+213F-HRTimelineGroup
GREENUP STREET WEALTH MANAGEMENT LLC2,527$1.85M0.32%+10013F-HRTimeline
BOSTON FAMILY OFFICE LLC2,514$1.84M0.12%-10513F-HRTimeline
Louisiana State Employees Retirement Sy…2,500$1.83M0.03%-10013F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC2,497$1.83M0.05%-8113F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The2,489$1.82M0.03%+8313F-HRTimelineGroup
Gulf International Bank (UK) Ltd2,472$1.81M0.06%-36513F-HRTimeline
Scott Marsh Financial, LLC2,468$1.81M0.67%13F-HRTimeline
Oak Harvest Investment Services2,419$1.77M0.22%new13F-HRTimeline
Sequoia Financial Advisors, LLC2,388$1.75M0.01%+37513F-HRTimeline
LBP AM SA2,365$1.73M0.02%+54013F-HRTimeline
VALLEY NATIONAL ADVISERS INC2,312$1.69M0.28%+2613F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD2,300$1.68M0.05%013F-HRTimeline
Twin Tree Management, LP2,291$1.68M0.04%-12,24613F-HRTimeline
Liontrust Investment Partners LLP2,277$1.67M0.02%+44513F-HRTimeline
PRUDENTIAL PLCin group PRUDENTIAL PLC2,261$1.65M0.01%+64613F-HRTimelineGroup
REGIONS FINANCIAL CORPin group REGIONS FINANCIAL CORP2,229$1.63M0.01%+10113F-HRTimelineGroup
Metis Global Partners, LLC2,227$1.63M0.04%-25513F-HRTimeline
Stiles Financial Services Inc2,205$1.62M0.56%+19613F-HRTimeline
Peak Retirement Planning, Inc.2,206$1.61M0.65%+36913F-HRTimeline
Cambridge Investment Research Advisors,…2,205$1.61M<0.01%-18013F-HRTimeline
Maryland State Retirement & Pension Sys…2,195$1.61M0.04%013F-HRTimeline
Dakota Wealth Management2,175$1.59M0.03%+1,19213F-HRTimeline
Catalyst Funds Management Pty Ltd2,175$1.59M0.44%-1,32513F-HRTimeline
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…2,149$1.57M<0.01%-93213F-HRTimelineGroup
BI Asset Management Fondsmaeglerselskab…in group BI Asset Management Fondsmaeg…2,079$1.52M0.01%+51513F-HRTimelineGroup
Confluence Wealth Services, Inc.2,067$1.51M0.08%+1913F-HRTimeline
Illinois Municipal Retirement Fund2,064$1.51M0.02%-13,63513F-HRTimeline
VestGen Advisors, LLC2,059$1.51M0.06%-61513F-HRTimeline
Campbell & CO Investment Adviser LLC2,058$1.51M0.09%new13F-HRTimeline
E. Ohman J:or Asset Management AB2,050$1.5M0.04%-15013F-HRTimeline
Whalen Wealth Management Inc.2,010$1.47M0.92%+1,22313F-HRTimeline
OSSIAM2,006$1.47M0.02%+86513F-HRTimeline
AG2R LA MONDIALE GESTION D'ACTIFS1,975$1.44M0.07%-7613F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,962$1.44M<0.01%+30013F-HRTimelineGroup
Mach-1 Financial Group, LLC1,969$1.44M0.42%+1,42113F-HRTimeline
Marshall Financial Group, LLC1,937$1.44M0.28%+9513F-HRTimeline
SRN Advisors, LLC1,953$1.43M1.3%+11413F-HRTimeline