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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, Q1 2024

Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2024. 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
807
+75 vs. Q4 2023
Shares held
46.0M
+604.0K (+1.3%) vs. Q4 2023
Total value
$31.2B
+$2.52B (+8.8%) vs. Q4 2023
New holders
129
305 more added
Sold out
54
273 more reduced

5 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 807 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 heldQ1 2024: $31.2B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2023.

Institutions holding MPWR in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
D. E. Shaw & Co., Inc.46,522$31.5M0.04%+19,108+69.7%Added
Sapient Capital LLC45,595$30.9M0.69%−42−0.1%Reduced
Manufacturers Life Insurance Company, The45,315$30.7M0.03%−14,698−24.5%Reduced
RMB Capital Management, LLC44,536$30.2M0.69%−3,171−6.6%Reduced
Los Angeles Capital Management LLC43,353$29.4M0.10%+38,334+763.8%Added
Adage Capital Partners GP, L.L.C.42,100$28.5M0.05%−4,400−9.5%Reduced
New York State Teachers Retirement System42,094$28.5M0.06%+148+0.4%Added
Loomis Sayles & Co L P40,583$27.5M0.04%−172−0.4%Reduced
Public Employees Retirement Association of Colorado40,134$27.2M0.12%−36−0.1%Reduced
Azimuth Capital Investment Management LLC39,912$27.0M1.12%+14,523+57.2%Added
Man Group plc39,897$27.0M0.07%+37,278+1,423.4%Added
State Board of Administration of Florida Retirement System53,611$26.8M0.06%−126−0.2%Reduced
Scout Investments, Inc.39,568$26.5M0.65%−4,226−9.6%Reduced
Squarepoint Ops LLC38,000$25.7M0.11%+36,702+2,827.6%Added
Whittier Trust Co37,091$25.1M0.37%+1,271+3.5%Added
Thrivent Financial for Lutherans36,343$24.6M0.05%−17,001−31.9%Reduced
Great West Life Assurance Co36,132$24.5M0.05%−2,828−7.3%Reduced
Vantage Investment Partners, LLC35,795$24.2M2.17%−1,778−4.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)35,693$24.2M0.08%+18,521+107.9%Added
Nicholas Investment Partners, LP35,212$23.9M2.44%−92−0.3%Reduced
New York State Common Retirement Fund35,141$23.8M0.03%−40,760−53.7%Reduced
Prudential Financial Inc33,010$22.4M0.03%−1,143−3.3%Reduced
Comgest Global Investors S.A.S.32,898$22.3M0.31%+2,032+6.6%Added
Marshall Wace, LLP32,343$21.9M0.04%+17,952+124.7%Added
Jupiter Asset Management Ltd32,077$21.7M0.21%−5,048−13.6%Reduced
State of Wisconsin Investment Board31,693$21.5M0.06%+6,254+24.6%Added
Bamco Inc31,636$21.4M0.06%−4,057−11.4%Reduced
Caisse de Depot Et Placement du Quebec31,469$21.3M0.05%−26,294−45.5%Reduced
Parnassus Investments30,663$20.8M0.04%00.0%Unchanged
Congress Wealth Management LLC30,542$20.7M0.36%−387−1.3%Reduced
Mitsubishi UFJ Trust & Banking Corp30,278$20.5M0.05%−803−2.6%Reduced
Glenmede Trust Co NA29,583$20.0M0.10%+28,318+2,238.6%Added
Toronto Dominion Bank29,430$19.9M0.03%+350+1.2%Added
Stifel Financial Corp28,657$19.4M0.02%+10,901+61.4%Added
Royal London Asset Management Ltd28,131$19.1M0.05%−750−2.6%Reduced
Capital Fund Management S.A.27,589$18.7M0.23%+5,269+23.6%Added
Segall Bryant & Hamill, LLC26,855$18.2M0.34%−2,671−9.0%Reduced
State of New Jersey Common Pension Fund D26,794$18.2M0.05%+1,174+4.6%Added
Chevy Chase Trust Holdings, Inc.26,595$18.0M0.06%−167−0.6%Reduced
Hantz Financial Services, Inc.26,339$17.8M0.35%−2,329−8.1%Reduced
Janney Montgomery Scott LLC26,216$17.8M0.05%+27+0.1%Added
Vontobel Holding Ltd.25,979$17.6M0.14%−4,457−14.6%Reduced
Danske Bank A/S25,540$17.3M0.05%+25,540New
Engineers Gate Manager LP24,986$16.9M0.45%+24,986New
Russell Investments Group, Ltd.23,954$16.2M0.03%−2,999−11.1%Reduced
Geneva Capital Management LLC23,723$16.1M0.28%−168−0.7%Reduced
Arcadia Investment Management Corp22,717$15.4M2.72%−237−1.0%Reduced
US Bancorp22,178$15.0M0.02%−979−4.2%Reduced
APG Asset Management N.V.23,918$15.0M0.03%−9,604−28.6%Reduced
Standard Life Aberdeen plc21,846$14.8M0.03%+1,031+5.0%Added
TD Asset Management Inc21,520$14.6M0.01%+1,805+9.2%Added
Illinois Municipal Retirement Fund21,265$14.4M0.22%00.0%Unchanged
Public Employees Retirement System of Ohio21,143$14.3M0.06%−2,447−10.4%Reduced
Jane Street Group, LLC21,080$14.3M0.02%−39,244−65.1%Reduced
Treasurer of the State of North Carolina20,533$13.9M0.06%+140+0.7%Added
Renaissance Technologies LLC20,086$13.6M0.02%+20,086New
Citadel Advisors LLC19,471$13.2M0.01%+6,070+45.3%Added
Asset Management One Co.,Ltd.19,458$13.2M0.05%+196+1.0%Added
Mn Services Vermogensbeheer B.V.19,400$13.1M0.10%+19,400New
National Bank of Canada18,516$13.0M0.02%−17,702−48.9%Reduced
Whittier Trust Co of Nevada Inc18,566$12.6M0.36%+956+5.4%Added
KBC Group NV18,105$12.3M0.04%+1,009+5.9%Added
Gotham Asset Management, LLC17,986$12.2M0.18%+8,296+85.6%Added
Snowden Capital Advisors LLC17,432$11.8M0.37%+344+2.0%Added
Cubist Systematic Strategies, LLC17,412$11.8M0.13%+16,481+1,770.2%Added
Nomura Asset Management Co Ltd17,031$11.5M0.04%−504−2.9%Reduced
Copeland Capital Management, LLC15,870$10.8M0.20%+949+6.4%Added
Trexquant Investment LP15,697$10.6M0.21%+9,301+145.4%Added
Assetmark, Inc15,335$10.4M0.03%+1,215+8.6%Added
Fred Alger Management, LLC15,270$10.3M0.05%+5,871+62.5%Added
Moran Wealth Management, LLC15,242$10.3M0.33%−101−0.7%Reduced
Point72 Hong Kong Ltd15,077$10.2M0.52%+15,077New
Sit Investment Associates Inc15,056$10.2M0.23%−130−0.9%Reduced
State of Alaska, Department of Revenue14,704$9.96M0.11%−3,125−17.5%Reduced
Pathstone Holdings, LLC14,626$9.91M0.05%+7,738+112.3%Added
Atria Wealth Solutions, Inc.14,564$9.88M0.11%+1,811+14.2%Added
APG Asset Management US Inc.14,515$9.70M0.06%+5,456+60.2%Added
Value Aligned Research Advisors, LLC14,222$9.63M1.90%00.0%Unchanged
State of Tennessee, Treasury Department14,074$9.53M0.04%−306−2.1%Reduced
ProShare Advisors LLC14,055$9.52M0.03%+1,489+11.8%Added
State of Michigan Retirement System13,770$9.33M0.05%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.13,761$9.32M0.01%−2,284−14.2%Reduced
American International Group, Inc.13,399$9.08M0.03%−324−2.4%Reduced
Arizona State Retirement System13,178$8.93M0.06%+703+5.6%Added
MetLife Investment Management13,106$8.88M0.06%−380−2.8%Reduced
Westwood Holdings Group Inc.12,802$8.67M0.07%−70−0.5%Reduced
Schroder Investment Management Group12,787$8.66M0.01%+1,213+10.5%Added
Storebrand Asset Management AS12,707$8.61M0.03%+395+3.2%Added
Twin Tree Management, LP12,362$8.37M0.19%+12,362New
Nisa Investment Advisors, LLC11,981$8.13M0.05%+233+2.0%Added
Lido Advisors, LLC11,969$8.12M0.07%+580+5.1%Added
Pinnacle Financial Partners Inc11,627$7.88M0.17%−46−0.4%Reduced
Jump Financial, LLC11,527$7.81M0.21%+10,927+1,821.2%Added
Silvant Capital Management LLC11,440$7.76M0.37%00.0%Unchanged
Skandinaviska Enskilda Banken AB (publ)11,437$7.75M0.04%−720−5.9%Reduced
Comerica Bank11,013$7.46M0.03%+163+1.5%Added
Bank of Nova Scotia10,914$7.39M0.01%+4,370+66.8%Added
Fifth Third Bancorp10,890$7.38M0.03%−29−0.3%Reduced
Xponance, Inc.10,749$7.28M0.08%+178+1.7%Added
Kornitzer Capital Management Inc10,613$7.19M0.13%−6,750−38.9%Reduced