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Monolithic Power Systems, Inc.

MPWR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001280452

In the last 90 days, Monolithic Power Systems, Inc. insiders filed 0 open-market purchases and 9 sales; 1,250 institutions reported holding it in 13F filings for Q2 2026, worth $65.6B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.

Q2 2025 vs. Q1 2025

How the institutions holding Monolithic Power Systems, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of MPWR: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders86210907+55
Shares46.7M57.9K47.4M+747.4K (+1.6%)
Value$27.0B$33.6M$34.6B+$7.61B (+28.2%)

10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (139)

Institutions that held Monolithic Power Systems, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Showing the largest 100 of 139 by value.

Institutions new to MPWR in Q2 2025
InstitutionSharesValue% of portfolio
Twinbeech Capital LP48,016$35.1M0.80%
Swedbank AB39,444$28.8M0.03%
Glenmede Investment Management, LP22,280$16.3M0.08%
Avalon Global Asset Management LLC20,000$14.6M4.12%
Moore Capital Management, LP20,000$14.6M0.29%
Davidson Kempner Capital Management LP20,000$14.6M0.22%
Engineers Gate Manager LP13,044$9.54M0.12%
Greenland Capital Management LP9,517$6.96M0.90%
Woodline Partners LP8,541$6.25M0.03%
NFJ Investment Group, LLC8,106$5.93M0.21%
Polar Asset Management Partners Inc.7,290$5.33M0.13%
Midwest Trust Co7,252$5.30M0.07%
Parcion Private Wealth LLC5,053$3.70M0.26%
Boston Partners4,659$3.41M0.00%
Marex Group plc4,609$3.37M0.06%
Pinebridge Investments, L.P.4,502$3.29M0.03%
Hel Ved Capital Management Ltd4,000$2.93M1.32%
Avanza Fonder AB3,813$2.79M0.08%
1832 Asset Management L.P.3,804$2.78M0.00%
Brevan Howard Capital Management LP3,659$2.68M0.03%
Mizuho Securities USA LLC3,312$2.42M0.05%
XTX Topco Ltd3,298$2.41M0.10%
Prelude Capital Management, LLC3,206$2.34M0.23%
Summit Trail Advisors, LLC3,004$2.20M0.04%
Calamos Advisors LLC2,773$2.03M0.01%
Scott Marsh Financial, LLC2,468$1.81M0.67%
Oak Harvest Investment Services2,419$1.77M0.22%
Campbell & CO Investment Adviser LLC2,058$1.51M0.09%
Erste Asset Management GmbH1,818$1.34M0.01%
Westerkirk Capital Inc.1,608$1.18M0.14%
Bouvel Investment Partners, LLC1,523$1.11M0.38%
Ellevest, Inc.1,511$1.11M0.18%
Win Advisors, Inc1,428$1.04M0.50%
Summit Place Financial Advisors, LLC1,404$1.03M0.52%
Callan Family Office, LLC1,291$944.2K0.03%
Wahed Invest LLC1,258$920.1K0.14%
Boomfish Wealth Group, LLC1,212$886.4K0.51%
Diversify Advisory Services, LLC1,016$854.3K0.03%
Suncoast Equity Management1,071$783.3K0.08%
Pier 88 Investment Partners LLC1,010$738.7K0.14%
Vise Technologies, Inc.907$663.5K0.03%
Unique Wealth Strategies, LLC866$633.6K0.27%
Generali Investments, Management Co LLC861$628.9K0.14%
Hershey Financial Advisers, LLC810$592.5K0.53%
J2 Capital Management Inc781$571.2K0.46%
CenterBook Partners LP769$562.4K0.03%
DRW Securities, LLC767$561.0K0.04%
Gsa Capital Partners LLP763$558.0K0.04%
Burns Matteson Capital Management, LLC737$539.0K0.26%
Catalytic Wealth RIA, LLC714$522.2K0.04%
Canada Post Corp Registered Pension Plan710$519.3K0.03%
AdvisorShares Investments LLC640$468.1K0.08%
Global Retirement Partners, LLC629$459.7K0.01%
Inscription Capital, LLC599$438.1K0.06%
Legacy Wealth Asset Management, LLC533$389.8K0.10%
Caitlin John, LLC484$354.0K0.32%
Coastal Bridge Advisors, LLC481$351.6K0.03%
Wetherby Asset Management Inc476$348.1K0.02%
Savant Capital, LLC475$347.4K0.00%
Globeflex Capital L P474$346.7K0.03%
Forum Financial Management, LP404$295.5K0.00%
Royal Fund Management, LLC402$294.0K0.03%
Foundations Investment Advisors, LLC395$289.0K0.00%
Kathmere Capital Management, LLC390$285.2K0.02%
American Trust382$279.4K0.03%
Patton Fund Management, Inc.376$275.0K0.06%
Principal Street Partners, LLC376$275.0K0.03%
Voleon Capital Management LP369$269.9K0.01%
Atomi Financial Group, Inc.363$265.4K0.01%
West Family Investments, Inc.360$263.3K0.07%
Sage Mountain Advisors LLC351$257.0K0.02%
First Affirmative Financial Network350$256.2K0.13%
Beacon Pointe Advisors, LLC350$256.0K0.00%
AMG National Trust Bank340$248.7K0.01%
Checchi Capital Advisers, LLC339$247.9K0.02%
D.A. Davidson & Co.337$246.9K0.00%
TigerOak Management, L.L.C.334$244.3K0.08%
Commerzbank Aktiengesellschaft330$242.0K0.01%
BankPlus Wealth Management LLC329$240.9K0.16%
Potentia Wealth320$234.0K0.13%
Csenge Advisory Group351$232.1K0.01%
Unique Wealth, LLC315$230.4K0.04%
Integrated Advisors Network LLC310$226.7K0.01%
SageView Advisory Group, LLC303$223.8K0.01%
SLT Holdings LLC305$223.1K0.17%
Hutchens & Kramer Investment Management Group, LLC298$222.6K0.10%
Consolidated Portfolio Review Corp303$221.6K0.03%
Personal Cfo Solutions, LLC301$220.2K0.04%
FSM Wealth Advisors, LLC296$219.4K0.04%
Stephens Inc298$218.0K0.00%
Fedenia Advisers LLC297$217.2K0.10%
Gerber Kawasaki Wealth & Investment Management291$213.1K0.01%
Keel Point, LLC290$212.1K0.01%
Integrated Investment Consultants, LLC283$207.0K0.04%
First Bank & Trust281$205.5K0.04%
Eq LLC279$204.3K0.08%
Corundum Group, Inc.277$202.6K0.09%
Woodward Diversified Capital, LLC277$202.6K0.10%
111 Capital276$201.9K0.03%
Gitterman Wealth Management, LLC245$179.2K0.04%

Sold out (84)

Institutions that held Monolithic Power Systems, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of MPWR in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Alyeska Investment Group, L.P.287,149$166.5M
Coatue Management LLCSuperinvestorCoatue Management193,432$112.2M
Worldquant Millennium Advisors LLC157,395$91.3M
Holocene Advisors, LP149,569$86.7M
Balyasny Asset Management LLC95,000$55.1M
Whale Rock Capital Management LLC50,150$29.1M
Tairen Capital Ltd49,872$28.9M
Trexquant Investment LP24,705$14.3M
Qube Research & Technologies Ltd23,426$13.6M
Capitolis Liquid Global Markets LLC20,162$11.7M
Marshall Wace, LLP18,161$10.5M
Point72 Hong Kong Ltd15,401$8.93M
Corebridge Financial, Inc.12,172$7.06M
LGT Group Foundation9,045$5.25M
Financial Counselors Inc7,399$4.29M
Intact Investment Management Inc.6,200$3.60M
Jacobs Levy Equity Management, Inc5,456$3.16M
Polymer Capital Management (US) LLC3,800$2.20M
Winton Group Ltd3,309$1.92M
Bridgewater Associates, LP3,276$1.90M
Aster Capital Management (DIFC) Ltd2,664$1.63M
Quantitative Investment Management, LLC2,398$1.39M
Prasad Wealth Partners, LLC2,196$1.27M
Y-Intercept (Hong Kong) Ltd1,978$1.15M
Dark Forest Capital Management LP1,880$1.09M
PGGM Investments1,839$1.07M
Quantessence Capital LLC1,816$1.05M
Allstate Corp1,809$1.05M
LMR Partners LLP1,500$870.0K
Benjamin Edwards Inc1,487$862.7K
Polymer Capital Management (HK) LTD1,426$827.1K
Winnow Wealth LLC1,333$772.7K
Hudson Bay Capital Management LP1,321$766.2K
Frank, Rimerman Advisors LLC1,263$732.5K
Lighthouse Investment Partners, LLC1,200$696.0K
U.S. Capital Wealth Advisors, LLC1,172$680.0K
United Services Automobile Association1,101$638.5K
Bridgefront Capital, LLC1,014$588.1K
WT Asset Management Ltd1,000$580.0K
Alberta Investment Management Corp997$578.2K
GraniteShares Advisors LLC921$534.2K
Belpointe Asset Management LLC909$527.2K
Fortis Capital Advisors, LLC909$527.2K
Arrowpoint Investment Partners (Singapore) Pte. Ltd.780$452.4K
Dynamic Technology Lab Private Ltd730$423.0K
Pathway Financial Advisors LLC702$407.1K
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund700$406.0K
Fox Run Management, L.L.C.631$366.0K
Pallas Capital Advisors LLC630$365.0K
Cresset Asset Management, LLC619$360.0K
Retireful, LLC620$359.5K
United Advisor Group, LLC571$331.2K
Perbak Capital Partners LLP569$330.0K
Symphony Financial, Ltd. Co.617$318.4K
Simon Quick Advisors, LLC535$310.3K
Archer Investment Corp440$255.2K
Chilton Investment Co LLC433$251.1K
EntryPoint Capital, LLC420$243.6K
National Asset Management, Inc.416$241.2K
Procyon Private Wealth Partners, LLC384$222.8K
Buckingham Strategic Partners357$207.1K
Riverview Trust Co131$76.0K
Quent Capital, LLC101$58.7K
Global Financial Private Client, LLC73$42.3K
Headlands Technologies LLC38$22.0K
Saudi Central Bank19$11.0K
Flaharty Asset Management, LLC17$9.86K
Clark Wealth Partners12$6.96K
City Holding Co12$6.96K
HM Payson & Co10$5.80K
United Community Bank10$5.80K
Cheviot Value Management, LLC8$5.02K
Washington Trust Co8$4.69K
Synergy Investment Management, LLC6$3.48K
Carolinas Wealth Consulting LLC3$1.74K
Hexagon Capital Partners LLC3$1.74K
Addison Advisors LLC3$1.74K
Key Financial Inc2$1.16K
Private Wealth Asset Management, LLC2$1.16K
WestEnd Advisors, LLC1$580
West Paces Advisors Inc.1$580
American Capital Advisory, LLC1$580
MPWM Advisory Solutions, LLC1$580
Chesapeake Asset Management LLC1$579

Not filed for Q2 2025 yet (10)

Institutions that held Monolithic Power Systems, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MPWR in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Glenmede Trust Co NA22,113$12.8M
Credit Agricole S A17,882$10.4M
Rakuten Investment Management, Inc.8,601$4.99M
Mizuho Securities USA LLC3,829$2.22M
Orion Portfolio Solutions, LLC3,276$1.90M
CAPROCK Group, Inc.1,048$610.4K
Redwood Investments, LLC773$448.3K
Lindbrook Capital, LLC306$177.5K
Pilgrim Partners Asia Pte Ltd80$46.4K
Sandy Spring Bank17$9.86K