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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 2024

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 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
885
+55 vs. Q2 2024
Shares held
46.4M
+5.44M (+13.3%) vs. Q2 2024
Total value
$42.8B
+$9.10B (+27.0%) vs. Q2 2024
New holders
118
326 more added
Sold out
63
324 more reduced

8 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 885 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 2024: $42.8B
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 2024

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2024.

Institutions holding MPWR in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Clearbridge Investments, LLC53,580$49.5M0.04%−154,782−74.3%Reduced
Caisse de Depot Et Placement du Quebec51,208$47.3M0.09%+22,642+79.3%Added
State Board of Administration of Florida Retirement System50,908$47.1M0.09%−286−0.6%Reduced
CI Private Wealth, LLC49,668$45.9M0.07%+2,555+5.4%Added
Raymond James & Associates48,724$45.0M0.03%−9,226−15.9%Reduced
National Bank of Canada47,881$44.3M0.06%−38,079−44.3%Reduced
Bank of Montreal45,627$42.2M0.02%−27,581−37.7%Reduced
Voloridge Investment Management, LLC44,236$40.9M0.15%+5,209+13.3%Added
Sapient Capital LLC43,400$40.2M0.81%−2,057−4.5%Reduced
Zevenbergen Capital Investments LLC42,923$39.7M0.83%−9,055−17.4%Reduced
New York State Teachers Retirement System42,163$39.0M0.08%+212+0.5%Added
Azimuth Capital Investment Management LLC40,717$37.6M1.46%+283+0.7%Added
Whittier Trust Co40,290$37.2M0.50%+1,406+3.6%Added
Grandeur Peak Global Advisors, LLC39,482$36.5M3.03%−50,945−56.3%Reduced
Robeco Institutional Asset Management B.V.38,333$35.4M0.07%+17,746+86.2%Added
Great West Life Assurance Co38,113$35.3M0.06%+2,106+5.8%Added
HRT Financial LP37,111$34.3M0.17%+37,111New
Pembroke Management, LTD35,525$32.8M4.19%−5,971−14.4%Reduced
Candriam Luxembourg S.C.A.34,504$31.9M0.18%+32,085+1,326.4%Added
Lazard Asset Management LLC34,443$31.8M0.04%+25,475+284.1%Added
Russell Investments Group, Ltd.34,103$31.5M0.05%+5,171+17.9%Added
State of Wisconsin Investment Board33,677$31.1M0.08%+6,018+21.8%Added
Vantage Investment Partners, LLC33,217$30.7M2.58%−1,488−4.3%Reduced
Public Employees Retirement Association of Colorado33,031$30.5M0.12%−7,000−17.5%Reduced
Thrivent Financial for Lutherans33,024$30.5M0.06%−1,663−4.8%Reduced
RMB Capital Management, LLC32,722$30.3M0.69%−11,449−25.9%Reduced
ING Groep NV31,520$29.1M0.17%−30,029−48.8%Reduced
TD Asset Management Inc31,194$28.9M0.03%+7,324+30.7%Added
Stifel Financial Corp30,505$28.2M0.03%+1,817+6.3%Added
Schroder Investment Management Group30,497$28.2M0.03%+16,737+121.6%Added
D. E. Shaw & Co., Inc.30,293$28.0M0.04%−10,394−25.5%Reduced
Glenmede Trust Co NA28,885$26.7M0.13%00.0%Unchanged
Squarepoint Ops LLC28,249$26.1M0.09%−24,609−46.6%Reduced
Bamco Inc27,915$25.8M0.07%−1,527−5.2%Reduced
Mitsubishi UFJ Trust & Banking Corp27,810$25.7M0.06%−603−2.1%Reduced
Korea Investment CORP27,485$25.4M0.06%+10,920+65.9%Added
Royal London Asset Management Ltd27,389$25.3M0.06%+371+1.4%Added
Geneva Capital Management LLC27,335$25.3M0.42%−709−2.5%Reduced
Jupiter Asset Management Ltd26,677$24.7M0.22%−4,352−14.0%Reduced
New York State Common Retirement Fund26,644$24.6M0.03%−8,415−24.0%Reduced
Andra AP-fonden26,400$24.4M0.36%+3,000+12.8%Added
Chevy Chase Trust Holdings, Inc.26,398$24.4M0.07%−176−0.7%Reduced
Vontobel Holding Ltd.25,966$24.0M0.08%−338−1.3%Reduced
Bryn Mawr Trust Co25,130$23.2M0.42%+25,130New
Janney Montgomery Scott LLC24,992$23.1M0.06%−653−2.5%Reduced
KBC Group NV22,826$21.1M0.06%+1,234+5.7%Added
Parnassus Investments22,806$21.1M0.04%−7,857−25.6%Reduced
Bank Julius Baer & Co. Ltd, Zurich22,070$20.8M0.07%+15,338+227.8%Added
Comgest Global Investors S.A.S.22,387$20.7M0.30%−17,484−43.9%Reduced
Jacobs Levy Equity Management, Inc21,914$20.3M0.08%−20,768−48.7%Reduced
Arcadia Investment Management Corp21,548$19.9M3.28%−134−0.6%Reduced
US Bancorp21,407$19.8M0.03%−1,044−4.7%Reduced
Treasurer of the State of North Carolina20,521$19.0M0.08%+80+0.4%Added
Danske Bank A/S20,058$18.5M0.06%+665+3.4%Added
Whittier Trust Co of Nevada Inc19,990$18.5M0.48%+698+3.6%Added
Los Angeles Capital Management LLC19,956$18.4M0.07%−22,397−52.9%Reduced
Storebrand Asset Management AS19,785$18.3M0.06%+3,930+24.8%Added
Nisa Investment Advisors, LLC19,594$18.1M0.11%+7,137+57.3%Added
Asset Management One Co.,Ltd.19,478$18.0M0.06%+153+0.8%Added
Nomura Asset Management Co Ltd19,287$17.8M0.05%+601+3.2%Added
Congress Wealth Management LLC19,071$17.6M0.24%−11,338−37.3%Reduced
Standard Life Aberdeen plc19,063$17.5M0.03%+6,646+53.5%Added
Engineers Gate Manager LP18,872$17.4M0.34%+13,481+250.1%Added
Gotham Asset Management, LLC18,504$17.1M0.18%+2,665+16.8%Added
Mn Services Vermogensbeheer B.V.18,400$17.0M0.12%−500−2.6%Reduced
Raymond James Financial Services Advisors, Inc.18,347$17.0M0.02%+1,031+6.0%Added
Toronto Dominion Bank18,017$16.7M0.03%−8,164−31.2%Reduced
Hantz Financial Services, Inc.17,858$16.5M0.29%−5,882−24.8%Reduced
State of New Jersey Common Pension Fund D17,632$16.3M0.07%00.0%Unchanged
Assetmark, Inc17,586$16.3M0.05%+1,082+6.6%Added
Illinois Municipal Retirement Fund17,541$16.2M0.23%+855+5.1%Added
Nicholas Investment Partners, LP17,212$15.9M1.46%−18,275−51.5%Reduced
Public Sector Pension Investment Board17,084$15.8M0.09%+15,200+806.8%Added
Sit Investment Associates Inc16,509$15.3M0.34%+1,515+10.1%Added
Mediolanum International Funds Ltd16,334$15.1M0.21%−996−5.7%Reduced
Nissay Asset Management Corp16,059$14.8M0.09%+391+2.5%Added
SG Americas Securities, LLC15,995$14.8M0.06%+8,644+117.6%Added
Scout Investments, Inc.15,436$14.5M0.38%−10,104−39.6%Reduced
Copeland Capital Management, LLC15,639$14.5M0.25%−722−4.4%Reduced
USS Investment Management Ltd15,393$14.2M0.10%+11,193+266.5%Added
Segall Bryant & Hamill, LLC15,247$14.1M0.19%−223−1.4%Reduced
ProShare Advisors LLC15,176$14.0M0.03%−509−3.2%Reduced
Fred Alger Management, LLC15,152$14.0M0.07%+966+6.8%Added
Moran Wealth Management, LLC15,150$14.0M0.43%+76+0.5%Added
MetLife Investment Management14,786$13.7M0.08%−345−2.3%Reduced
Pathstone Holdings, LLC14,485$13.4M0.06%−219−1.5%Reduced
Quest Investment Management LLC14,182$13.1M1.53%−425−2.9%Reduced
State of Michigan Retirement System14,070$13.0M0.06%−100−0.7%Reduced
Arizona State Retirement System13,945$12.9M0.08%+578+4.3%Added
ExodusPoint Capital Management, LP13,904$12.9M0.13%+13,904New
Banco Bilbao Vizcaya Argentaria, S.A.13,707$12.7M0.13%+12,254+843.4%Added
Factory Mutual Insurance Co13,472$12.5M0.13%+6,616+96.5%Added
Corebridge Financial, Inc.12,961$12.0M0.06%−442−3.3%Reduced
Handelsbanken Fonder AB12,344$11.4M0.05%+2,000+19.3%Added
Pinnacle Financial Partners Inc12,317$11.4M0.23%+195+1.6%Added
Sanctuary Advisors, LLC19,500$11.3M0.07%+15,493+386.6%Added
State of Tennessee, Treasury Department11,648$10.8M0.04%−1,993−14.6%Reduced
Silvant Capital Management LLC11,440$10.6M0.46%00.0%Unchanged
Bank of Nova Scotia11,394$10.5M0.02%+8,182+254.7%Added
Xponance, Inc.10,901$10.1M0.10%−36−0.3%Reduced