Skip to main content

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, Q2 2023

Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2023. 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
652
−14 vs. Q1 2023
Shares held
46.7M
−589.7K (−1.2%) vs. Q1 2023
Total value
$25.2B
+$1.92B (+8.2%) vs. Q1 2023
New holders
74
237 more added
Sold out
88
256 more reduced

3 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 652 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 heldQ2 2023: $25.2B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2023.

Institutions holding MPWR in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Pictet Asset Management SA19,515$10.5M0.01%+967+5.2%Added
Susquehanna International Group, LLP19,708$10.6M0.02%−20,243−50.7%Reduced
Treasurer of the State of North Carolina20,433$11.0M0.06%+390+1.9%Added
Albar Capital Ltd20,474$11.1M2.47%+18,862+1,170.1%Added
Scout Investments, Inc.21,150$11.2M0.23%−31,840−60.1%Reduced
Advisor Group Holdings, Inc.20,808$11.2M0.02%−8,767−29.6%Reduced
Blair William & Co21,877$11.8M0.04%−1,485−6.4%Reduced
AXA S.A.21,890$11.8M0.04%+15,064+220.7%Added
Jane Street Group, LLC22,292$12.0M0.02%−11,682−34.4%Reduced
Hel Ved Capital Management Ltd22,295$12.0M5.28%+15,995+253.9%Added
Russell Investments Group, Ltd.22,972$12.4M0.02%+2,244+10.8%Added
State of Wisconsin Investment Board23,402$12.6M0.04%−237−1.0%Reduced
Millennium Management LLC23,476$12.7M0.01%−174,504−88.1%Reduced
Arcadia Investment Management Corp23,525$12.7M2.58%−1,791−7.1%Reduced
Pacer Advisors, Inc.23,844$12.9M0.05%−8,161−25.5%Reduced
Bank of Montreal23,859$13.0M0.01%+3,897+19.5%Added
Public Employees Retirement System of Ohio24,683$13.3M0.05%+1,426+6.1%Added
Royal London Asset Management Ltd25,550$13.8M0.04%+10,093+65.3%Added
Chevy Chase Trust Holdings, Inc.25,917$14.0M0.05%−89−0.3%Reduced
Toronto Dominion Bank25,984$14.0M0.02%+1,598+6.6%Added
Azimuth Capital Investment Management LLC26,044$14.1M0.67%−274−1.0%Reduced
State of New Jersey Common Pension Fund D26,571$14.4M0.05%+378+1.4%Added
Calamos Advisors LLC27,155$14.7M0.07%−2,093−7.2%Reduced
Parnassus Investments28,318$15.3M0.04%00.0%Unchanged
Jefferies Financial Group Inc.29,297$15.8M0.34%+25,297+632.4%Added
AQR Capital Management LLC29,499$15.9M0.03%+16,207+121.9%Added
Vontobel Holding Ltd.30,454$16.5M0.14%−3,697−10.8%Reduced
Natixis Investment Managers International30,455$16.5M1.22%−1,020−3.2%Reduced
Hantz Financial Services, Inc.30,482$16.5M0.41%−2,284−7.0%Reduced
Gilder Gagnon Howe & Co LLC31,924$17.2M0.24%−6,530−17.0%Reduced
KBC Group NV32,618$17.6M0.07%−19,599−37.5%Reduced
Bamco Inc33,000$17.8M0.05%+439+1.3%Added
Adage Capital Partners GP, L.L.C.34,900$18.9M0.04%−9,900−22.1%Reduced
Congress Wealth Management LLC35,443$19.1M0.44%+119+0.3%Added
Jennison Associates LLC35,897$19.4M0.02%+18,752+109.4%Added
Nicholas Investment Partners, LP36,047$19.5M1.33%−3,796−9.5%Reduced
APG Asset Management N.V.39,511$19.6M0.04%−9,194−18.9%Reduced
Balyasny Asset Management LLC37,147$20.1M0.06%−108,763−74.5%Reduced
Analog Century Management LP37,238$20.1M5.59%−392−1.0%Reduced
Man Group plc37,929$20.5M0.06%––
Whittier Trust Co37,941$20.5M0.36%−4,658−10.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.38,287$20.7M0.04%+3,882+11.3%Added
Prudential Financial Inc39,460$21.3M0.03%−454−1.1%Reduced
D. E. Shaw & Co., Inc.39,771$21.5M0.03%−81,762−67.3%Reduced
Mitsubishi UFJ Trust & Banking Corp40,112$21.7M0.05%+3,255+8.8%Added
Vantage Investment Partners, LLC40,805$22.0M2.86%−8,439−17.1%Reduced
Great West Life Assurance Co41,836$22.7M0.05%−146−0.3%Reduced
New York State Teachers Retirement System42,186$22.8M0.05%−557−1.3%Reduced
Squarepoint Ops LLC43,662$23.6M0.13%+35,681+447.1%Added
Public Employees Retirement Association of Colorado44,175$23.9M0.11%00.0%Unchanged
Credit Suisse AG47,059$25.4M0.03%−10,355−18.0%Reduced
Loomis Sayles & Co L P49,333$26.7M0.04%−1,722−3.4%Reduced
Thrivent Financial for Lutherans51,188$27.7M0.06%−1,367−2.6%Reduced
Jupiter Asset Management Ltd51,254$27.7M0.30%−23,959−31.9%Reduced
Zevenbergen Capital Investments LLC51,708$27.9M0.66%+1,958+3.9%Added
RMB Capital Management, LLC51,884$28.0M0.92%−187−0.4%Reduced
State Board of Administration of Florida Retirement System53,697$29.0M0.06%+86+0.2%Added
Allianz Asset Management GmbH53,718$29.0M0.06%−38,463−41.7%Reduced
EULAV Asset Management55,326$29.9M1.11%+150.0%Added
Manufacturers Life Insurance Company, The56,948$30.8M0.02%−7,174−11.2%Reduced
DF Dent & Co Inc57,074$30.8M0.42%+34,368+151.4%Added
LPL Financial LLC58,292$31.5M0.02%−8,452−12.7%Reduced
Mirae Asset Global Investments Co., Ltd.59,199$31.9M0.07%+493+0.8%Added
Raymond James & Associates63,777$34.5M0.03%−9,494−13.0%Reduced
Glenmede Trust Co NA71,072$35.6M0.20%00.0%Unchanged
Pembroke Management, LTD66,563$36.0M3.88%−4,782−6.7%Reduced
National Pension Service68,036$36.5M0.06%−1,136−1.6%Reduced
Intech Investment Management LLC70,455$38.1M0.39%+20,554+41.2%Added
California State Teachers Retirement System72,466$39.1M0.06%−1,512−2.0%Reduced
Amundi75,839$41.1M0.02%+43,930+137.7%Added
Natixis Advisors, L.P.81,563$44.1M0.14%+8,927+12.3%Added
Segall Bryant & Hamill, LLC81,696$44.1M0.46%−1,563−1.9%Reduced
California Public Employees Retirement System85,703$46.3M0.04%−6,581−7.1%Reduced
Rokos Capital Management LLP86,092$46.7M0.94%+86,092New
UBS Group AG87,849$47.5M0.02%−19,038−17.8%Reduced
First Trust Advisors LP92,627$50.0M0.06%+56,485+156.3%Added
HSBC Holdings PLC93,905$51.0M0.05%+30,444+48.0%Added
New York State Common Retirement Fund97,333$52.6M0.07%−1,284−1.3%Reduced
Eventide Asset Management, LLC97,351$52.6M0.89%+200.0%Added
Wells Fargo & Company100,553$54.3M0.02%+10,941+12.2%Added
Caisse de Depot Et Placement du Quebec100,845$54.5M0.14%+8,211+8.9%Added
Rhumbline Advisers107,201$57.9M0.06%+1,051+1.0%Added
Victory Capital Management Inc107,781$58.2M0.06%−2,522−2.3%Reduced
Deutsche Bank AG111,354$60.2M0.03%+11,030+11.0%Added
Sumitomo Mitsui Trust Holdings, Inc.111,629$60.3M0.05%−14,816−11.7%Reduced
Renaissance Technologies LLC113,986$61.6M0.09%−80,400−41.4%Reduced
Royal Bank of Canada119,371$64.5M0.02%+26,044+27.9%Added
Grandeur Peak Global Advisors, LLC120,077$64.9M4.43%+9,413+8.5%Added
TimesSquare Capital Management, LLC124,020$67.0M0.96%−1,150−0.9%Reduced
STRS Ohio126,000$68.1M0.29%−7,569−5.7%Reduced
BNP Paribas Arbitrage, SA126,586$68.4M0.14%+4,286+3.5%Added
Whale Rock Capital Management LLC131,516$71.0M1.22%−76,956−36.9%Reduced
Envestnet Asset Management Inc136,250$73.6M0.03%−739,775−84.4%Reduced
Dimensional Fund Advisors LP146,050$78.9M0.03%+6,839+4.9%Added
TD Asset Management Inc146,527$79.2M0.09%−14,709−9.1%Reduced
Summit Partners Public Asset Management, LLC147,006$79.4M4.04%+30,285+25.9%Added
Baird Financial Group, Inc.150,581$81.3M0.21%+28,517+23.4%Added
Ameriprise Financial Inc150,607$81.4M0.03%−123,974−45.2%Reduced
CIBC Private Wealth Group, LLC155,681$84.1M0.18%+12,274+8.6%Added
UBS Asset Management Americas Inc169,193$84.7M0.04%00.0%Unchanged