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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 8 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.

13F holders, Q3 2022

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
630
+10 vs. Q2 2022
Shares held
45.7M
+2.03M (+4.7%) vs. Q2 2022
Total value
$16.6B
−$158.2M (−0.9%) vs. Q2 2022
New holders
81
257 more added
Sold out
71
230 more reduced

5 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2022: 630 institutions
Q1 2021: 530 institutionsQ2 2021: 533 institutionsQ3 2021: 579 institutionsQ4 2021: 627 institutionsQ1 2022: 611 institutionsQ2 2022: 625 institutionsQ3 2022: 630 institutionsQ4 2022: 611 institutionsQ1 2023: 669 institutionsQ2 2023: 652 institutionsQ3 2023: 655 institutionsQ4 2023: 737 institutionsQ1 2024: 807 institutionsQ2 2024: 838 institutionsQ3 2024: 885 institutionsQ4 2024: 864 institutionsQ1 2025: 862 institutionsQ2 2025: 907 institutionsQ3 2025: 981 institutionsQ4 2025: 1,061 institutionsQ1 2026: 1,124 institutionsQ2 2026: 1,250 institutions
Value heldQ3 2022: $16.6B
Q1 2021: $15.1BQ2 2021: $16.1BQ3 2021: $21.1BQ4 2021: $21.5BQ1 2022: $21.3BQ2 2022: $16.8BQ3 2022: $16.6BQ4 2022: $16.5BQ1 2023: $23.3BQ2 2023: $25.2BQ3 2023: $21.2BQ4 2023: $28.6BQ1 2024: $31.2BQ2 2024: $38.6BQ3 2024: $42.8BQ4 2024: $27.6BQ1 2025: $27.0BQ2 2025: $34.6BQ3 2025: $43.0BQ4 2025: $44.2BQ1 2026: $51.6BQ2 2026: $65.6B
Institutions holding MPWR and their total value by quarter
QuarterHoldersValue
Q2 20261,250$65.6B
Q1 20261,124$51.6B
Q4 20251,061$44.2B
Q3 2025981$43.0B
Q2 2025907$34.6B
Q1 2025862$27.0B
Q4 2024864$27.6B
Q3 2024885$42.8B
Q2 2024838$38.6B
Q1 2024807$31.2B
Q4 2023737$28.6B
Q3 2023655$21.2B
Q2 2023652$25.2B
Q1 2023669$23.3B
Q4 2022611$16.5B
Q3 2022630$16.6B
Q2 2022625$16.8B
Q1 2022611$21.3B
Q4 2021627$21.5B
Q3 2021579$21.1B
Q2 2021533$16.1B
Q1 2021530$15.1B

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2022.

Institutions holding MPWR in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Gulf International Bank (UK) Ltd8,259$3.00M0.06%00.0%Unchanged
Putnam Investments LLC8,305$3.02M0.01%−706−7.8%Reduced
Azzad Asset Management Inc8,562$3.11M0.31%00.0%Unchanged
Granahan Investment Management Inc8,927$3.24M0.11%+799+9.8%Added
Tredje AP-fonden8,978$3.26M0.07%+8,978New
Xponance, Inc.9,019$3.28M0.06%+643+7.7%Added
Bahl & Gaynor Inc9,092$3.30M0.02%+603+7.1%Added
Copeland Capital Management, LLC9,153$3.33M0.11%−396−4.1%Reduced
Level Four Advisory Services, LLC9,220$3.35M0.33%+39+0.4%Added
Parallax Volatility Advisers, L.P.9,229$3.35M0.07%+2,507+37.3%Added
LGT Group Foundation9,260$3.37M0.13%+546+6.3%Added
Meeder Asset Management Inc9,268$3.37M0.19%+8,445+1,026.1%Added
MML Investors Services, LLC9,366$3.40M0.03%+173+1.9%Added
Forsta Ap-Fonden9,500$3.45M0.04%+1,500+18.8%Added
Comerica Bank10,557$3.49M0.03%−22−0.2%Reduced
Oppenheimer Asset Management Inc.9,640$3.50M0.06%−548−5.4%Reduced
Quantbot Technologies LP9,919$3.60M0.27%+3,162+46.8%Added
Covenant Asset Management, LLC9,976$3.63M1.46%−1,985−16.6%Reduced
Storebrand Asset Management AS9,990$3.63M0.02%+1,141+12.9%Added
Magnetar Financial LLC10,258$3.73M0.05%+10,258New
Truist Financial Corp10,366$3.77M0.01%−91−0.9%Reduced
Schroder Investment Management Group10,539$3.83M0.01%+1,309+14.2%Added
Fifth Third Bancorp10,893$3.96M0.02%+2,898+36.2%Added
Yousif Capital Management, LLC11,031$4.01M0.06%−146−1.3%Reduced
HRT Financial LP11,087$4.03M0.04%+7,466+206.2%Added
Synovus Financial Corp11,182$4.06M0.05%−205−1.8%Reduced
Standard Life Aberdeen plc11,211$4.07M0.01%+356+3.3%Added
First Hawaiian Bank11,631$4.23M0.16%−1,803−13.4%Reduced
Taylor Frigon Capital Management LLC12,082$4.39M2.29%+17+0.1%Added
Westwood Holdings Group Inc.12,140$4.41M0.05%−128−1.0%Reduced
Arizona State Retirement System12,166$4.42M0.05%−165−1.3%Reduced
Amalgamated Bank12,196$4.43M0.04%−656−5.1%Reduced
Tower Research Capital LLC (TRC)12,343$4.49M0.07%+670+5.7%Added
Thornburg Investment Management Inc12,501$4.54M0.08%−2,917−18.9%Reduced
State of Michigan Retirement System12,670$4.60M0.03%−525−4.0%Reduced
American International Group, Inc.12,833$4.66M0.03%−134−1.0%Reduced
ProShare Advisors LLC12,935$4.70M0.02%+985+8.2%Added
Gotham Asset Management, LLC13,011$4.73M0.14%+8,424+183.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)13,079$4.75M0.03%+1,595+13.9%Added
Raymond James Financial Services Advisors, Inc.13,169$4.79M0.01%+1,203+10.1%Added
Wealth Enhancement Advisory Services, LLC13,606$4.93M0.07%+669+5.2%Added
Engineers Gate Manager LP13,645$4.96M0.31%−2,369−14.8%Reduced
Nisa Investment Advisors, LLC13,683$4.96M0.04%−337−2.4%Reduced
MetLife Investment Management13,701$4.98M0.04%−30.0%Reduced
Healthcare of Ontario Pension Plan Trust Fund14,740$5.36M0.03%+1,851+14.4%Added
Retirement Systems of Alabama14,763$5.37M0.02%+228+1.6%Added
Royal London Asset Management Ltd14,921$5.42M0.03%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC15,000$5.45M0.15%+3,500+30.4%Added
Silvant Capital Management LLC15,793$5.75M0.39%+15,793New
Parnassus Investments16,156$5.87M0.02%−34,106−67.9%Reduced
Sit Investment Associates Inc16,923$6.15M0.18%+1,215+7.7%Added
Atria Wealth Solutions, Inc.17,194$6.25M0.11%+13,401+353.3%Added
Pictet Asset Management SA19,191$6.97M0.01%−10,012−34.3%Reduced
Treasurer of the State of North Carolina19,453$7.07M0.05%+260+1.4%Added
Geneva Capital Management LLC19,552$7.11M0.16%−1,043−5.1%Reduced
Blair William & Co19,899$7.23M0.03%+6,616+49.8%Added
Maplelane Capital, LLC20,000$7.27M1.80%+20,000New
Vontobel Holding Ltd.20,203$7.34M0.09%+35+0.2%Added
APG Asset Management N.V.19,952$7.40M0.02%−6,746−25.3%Reduced
DF Dent & Co Inc20,957$7.62M0.12%+20,957New
Janney Montgomery Scott LLC21,227$7.71M0.03%+159+0.8%Added
US Bancorp21,455$7.80M0.02%−1,114−4.9%Reduced
USS Investment Management Ltd21,700$7.89M0.12%−3,239−13.0%Reduced
Snowden Capital Advisors LLC21,795$7.92M0.36%−1,215−5.3%Reduced
Bridgewater Associates, LP21,909$7.96M0.04%+21,115+2,659.3%Added
Canada Pension Plan Investment Board22,189$8.06M0.01%+7,300+49.0%Added
Bank of Montreal21,632$8.11M0.01%−3,884−15.2%Reduced
Jane Street Group, LLC22,375$8.13M0.02%+13,538+153.2%Added
Nomura Asset Management Co Ltd22,662$8.24M0.05%−1,752−7.2%Reduced
Asset Management One Co.,Ltd.23,729$8.62M0.04%−2,013−7.8%Reduced
Jag Capital Management, LLC23,801$8.65M1.21%−17,815−42.8%Reduced
Toronto Dominion Bank24,122$8.76M0.02%−4,345−15.3%Reduced
Advisor Group Holdings, Inc.24,330$8.85M0.02%+289+1.2%Added
T. Rowe Price Investment Management, Inc.24,404$8.87M0.01%+24,404New
State of New Jersey Common Pension Fund D25,761$9.36M0.04%−277−1.1%Reduced
Analog Century Management LP26,030$9.46M5.30%+1,280+5.2%Added
State of Alaska, Department of Revenue26,249$9.54M0.13%−1,229−4.5%Reduced
Pacer Advisors, Inc.26,264$9.54M0.07%+26,061+12,837.9%Added
Whittier Trust Co of Nevada Inc26,275$9.55M0.41%+1,950+8.0%Added
Arcadia Investment Management Corp26,506$9.63M2.33%−1,373−4.9%Reduced
Bamco Inc26,722$9.71M0.03%+18,438+222.6%Added
Public Employees Retirement System of Ohio26,730$9.71M0.04%−20,000−42.8%Reduced
Aviva PLC26,994$9.81M0.06%+2,456+10.0%Added
Chevy Chase Trust Holdings, Inc.27,140$9.86M0.04%+662+2.5%Added
Illinois Municipal Retirement Fund27,166$9.87M0.24%+9,869+57.1%Added
Tudor Investment Corp Et Al27,820$10.1M0.25%+8,429+43.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.28,683$10.4M0.03%+3,530+14.0%Added
Robeco Institutional Asset Management B.V.29,897$10.9M0.04%−1,059−3.4%Reduced
Edgestream Partners, L.P.30,901$11.2M0.87%+30,901New
State of Wisconsin Investment Board31,312$11.4M0.04%−4,153−11.7%Reduced
Trexquant Investment LP32,443$11.8M0.41%+25,363+358.2%Added
Jennison Associates LLC32,624$11.9M0.01%−11,413−25.9%Reduced
Eaton Vance Management32,900$12.0M0.02%−12,483−27.5%Reduced
Twin Tree Management, LP32,921$12.0M0.33%−5,553−14.4%Reduced
ExodusPoint Capital Management, LP34,507$12.5M0.18%+27,999+430.2%Added
Korea Investment CORP35,448$12.9M0.04%+14,248+67.2%Added
Capital Fund Management S.A.36,100$13.1M0.33%+9,002+33.2%Added
Mitsubishi UFJ Trust & Banking Corp36,300$13.2M0.04%+2,742+8.2%Added
Hantz Financial Services, Inc.36,315$13.2M0.46%−338−0.9%Reduced
Man Group plc36,510$13.3M0.06%––