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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, Q4 2024

Institutional positions in Monolithic Power Systems, Inc. as of Dec 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
864
−6 vs. Q3 2024
Shares held
46.5M
+350.5K (+0.8%) vs. Q3 2024
Total value
$27.6B
−$15.0B (−35.3%) vs. Q3 2024
New holders
153
321 more added
Sold out
159
291 more reduced

15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 864 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 heldQ4 2024: $27.6B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2024.

Institutions holding MPWR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Man Group plc60,702$35.9M0.11%+58,321+2,449.4%Added
Natixis60,475$35.8M0.24%+56,223+1,322.3%Added
AXA S.A.60,158$35.6M0.11%+55,886+1,308.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)54,639$32.3M0.09%−84−0.2%Reduced
Clearbridge Investments, LLC52,746$31.2M0.03%−834−1.6%Reduced
Susquehanna International Group, LLP51,711$30.6M0.05%−82,541−61.5%Reduced
Candriam Luxembourg S.C.A.50,792$30.1M0.17%+16,288+47.2%Added
Skandinaviska Enskilda Banken AB (publ)49,720$30.0M0.14%−6,745−11.9%Reduced
State Board of Administration of Florida Retirement System49,151$29.1M0.06%−1,757−3.5%Reduced
Bank of Montreal47,162$27.9M0.01%+1,535+3.4%Added
Andra AP-fonden45,700$27.0M0.43%+19,300+73.1%Added
National Bank of Canada45,341$26.8M0.03%−2,540−5.3%Reduced
Zevenbergen Capital Investments LLC42,913$25.4M0.52%−100.0%Reduced
Eventide Asset Management, LLC42,207$25.0M0.45%−51,662−55.0%Reduced
Whittier Trust Co41,532$24.6M0.32%+1,242+3.1%Added
New York State Teachers Retirement System41,508$24.6M0.05%−655−1.6%Reduced
Squarepoint Ops LLC40,311$23.9M0.06%+12,062+42.7%Added
Lazard Asset Management LLC39,835$23.6M0.03%+5,392+15.7%Added
Vontobel Holding Ltd.38,853$23.0M0.08%+12,887+49.6%Added
Jennison Associates LLC38,011$22.5M0.01%−63,907−62.7%Reduced
Pembroke Management, LTD37,969$22.5M2.80%+2,444+6.9%Added
Sapient Capital LLC37,729$22.4M0.43%−5,671−13.1%Reduced
Korea Investment CORP36,702$21.7M0.05%+9,217+33.5%Added
Geneva Capital Management LLC36,339$21.5M0.37%+9,004+32.9%Added
Thrivent Financial for Lutherans35,976$21.3M0.04%+2,952+8.9%Added
TD Asset Management Inc35,723$21.1M0.02%+4,529+14.5%Added
Universal- Beteiligungs- und Servicegesellschaft mbH35,373$20.9M0.04%+35,373New
RMB Capital Management, LLC35,183$20.8M0.48%+2,461+7.5%Added
Vantage Investment Partners, LLC34,722$20.5M1.79%+1,505+4.5%Added
Azimuth Capital Investment Management LLC34,394$20.4M0.79%−6,323−15.5%Reduced
Robeco Institutional Asset Management B.V.32,977$19.5M0.04%−5,356−14.0%Reduced
Public Employees Retirement Association of Colorado32,952$19.5M0.08%−79−0.2%Reduced
Factory Mutual Insurance Co31,272$18.5M0.20%+17,800+132.1%Added
Public Sector Pension Investment Board31,023$18.4M0.08%+13,939+81.6%Added
Handelsbanken Fonder AB30,229$17.9M0.07%+17,885+144.9%Added
Mitsubishi UFJ Trust & Banking Corp29,838$17.7M0.04%+2,028+7.3%Added
Mediolanum International Funds Ltd29,005$17.5M0.23%+12,671+77.6%Added
Royal London Asset Management Ltd28,834$17.1M0.04%+1,445+5.3%Added
Glenmede Trust Co NA28,824$17.1M0.09%−61−0.2%Reduced
Parnassus Investments28,450$16.8M0.04%+5,644+24.7%Added
APG Asset Management N.V.28,535$16.3M0.05%+24,175+554.5%Added
State of Wisconsin Investment Board26,885$15.9M0.04%−6,792−20.2%Reduced
Freestone Grove Partners LP26,751$15.8M0.19%+26,751New
Russell Investments Group, Ltd.26,694$15.8M0.02%−7,409−21.7%Reduced
Jupiter Asset Management Ltd26,690$15.8M0.15%+130.0%Added
Aware Super Pty Ltd as trustee of Aware Super26,308$15.6M0.25%+26,308New
Segall Bryant & Hamill, LLC25,896$15.3M0.21%+10,649+69.8%Added
Chevy Chase Trust Holdings, Inc.25,854$15.3M0.05%−544−2.1%Reduced
Treasurer of the State of North Carolina25,621$15.2M0.06%+5,100+24.9%Added
Prudential Financial Inc25,240$14.9M0.02%−49,197−66.1%Reduced
Bryn Mawr Trust Co24,981$14.8M0.27%−149−0.6%Reduced
Swiss Life Asset Management Ltd24,926$14.7M0.11%+16,551+197.6%Added
Sanctuary Advisors, LLC23,116$14.7M0.09%+3,616+18.5%Added
New York State Common Retirement Fund24,406$14.4M0.02%−2,238−8.4%Reduced
Danske Bank A/S24,212$14.3M0.04%+4,154+20.7%Added
Jump Financial, LLC23,943$14.2M0.30%+16,952+242.5%Added
Janney Montgomery Scott LLC23,762$14.1M0.04%−1,230−4.9%Reduced
KBC Group NV23,168$13.7M0.04%+342+1.5%Added
Federated Hermes, Inc.22,995$13.6M0.03%+14,374+166.7%Added
DnB Asset Management AS22,432$13.3M0.06%+14,571+185.4%Added
Voloridge Investment Management, LLC22,427$13.3M0.05%−21,809−49.3%Reduced
Arcadia Investment Management Corp22,115$13.1M2.09%+567+2.6%Added
Asset Management One Co.,Ltd.20,512$12.6M0.04%+1,034+5.3%Added
Schroder Investment Management Group20,727$12.5M0.01%−9,770−32.0%Reduced
Whittier Trust Co of Nevada Inc20,862$12.3M0.30%+872+4.4%Added
Assetmark, Inc20,860$12.3M0.03%+3,274+18.6%Added
US Bancorp20,297$12.0M0.02%−1,110−5.2%Reduced
Polar Asset Management Partners Inc.20,000$11.8M0.17%+20,000New
Tudor Investment Corp Et Al19,887$11.8M0.13%+19,887New
Public Employees Retirement System of Ohio19,738$11.7M0.04%+19,738New
Copeland Capital Management, LLC19,725$11.7M0.22%+4,086+26.1%Added
Pinnacle Financial Partners Inc19,100$11.5M0.23%+6,783+55.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.19,382$11.5M0.03%+16,234+515.7%Added
Nisa Investment Advisors, LLC18,975$11.3M0.04%−619−3.2%Reduced
Mn Services Vermogensbeheer B.V.18,700$11.1M0.07%+300+1.6%Added
Jacobs Levy Equity Management, Inc18,515$11.0M0.04%−3,399−15.5%Reduced
Congress Wealth Management LLC18,436$10.9M0.15%−635−3.3%Reduced
ProShare Advisors LLC17,746$10.5M0.02%+2,570+16.9%Added
State of New Jersey Common Pension Fund D17,641$10.4M0.04%+9+0.1%Added
Fred Alger Management, LLC17,393$10.3M0.05%+2,241+14.8%Added
Mirae Asset Global ETFs Holdings Ltd.17,134$10.3M0.02%+8,183+91.4%Added
Meridiem Capital Partners LP17,153$10.1M0.95%+17,153New
Standard Life Aberdeen plc16,886$10.1M0.02%−2,177−11.4%Reduced
Nissay Asset Management Corp16,450$10.1M0.06%+391+2.4%Added
Illinois Municipal Retirement Fund16,926$10.0M0.14%−615−3.5%Reduced
Sit Investment Associates Inc16,512$9.77M0.22%+30.0%Added
Toronto Dominion Bank16,509$9.77M0.02%−1,508−8.4%Reduced
KLP Kapitalforvaltning AS16,450$9.75M0.05%+16,450New
TownSquare Capital, LLC16,384$9.69M0.11%+7,315+80.7%Added
Walleye Capital LLC16,375$9.69M0.09%+9,522+138.9%Added
Silvercrest Asset Management Group LLC16,278$9.63M0.06%+13,951+599.5%Added
Nomura Asset Management Co Ltd16,143$9.55M0.03%−3,144−16.3%Reduced
Lansforsakringar Fondforvaltning AB (publ)16,103$9.53M0.05%+16,103New
Jane Street Group, LLC16,100$9.53M0.02%−117,560−88.0%Reduced
Comgest Global Investors S.A.S.16,068$9.51M0.16%−6,319−28.2%Reduced
Trexquant Investment LP15,706$9.29M0.11%+11,365+261.8%Added
Moran Wealth Management, LLC15,679$9.28M0.30%+529+3.5%Added
Hantz Financial Services, Inc.15,600$9.23M0.16%−2,258−12.6%Reduced
Gotham Asset Management, LLC15,382$9.10M0.09%−3,122−16.9%Reduced
MetLife Investment Management14,950$8.85M0.05%+164+1.1%Added