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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
BlackRock, Inc.5,803,963$5.37B0.11%+5,803,963New
Vanguard Group Inc5,750,228$5.32B0.10%+55,132+1.0%Added
FMR LLC3,519,376$3.25B0.20%+361,416+11.4%Added
State Street Corp2,085,146$1.93B0.08%+42,678+2.1%Added
Franklin Resources Inc1,612,057$1.52B0.43%−143,289−8.2%Reduced
Geode Capital Management, LLC1,334,164$1.23B0.10%+133,838+11.2%Added
Price T Rowe Associates Inc1,313,906$1.21B0.14%−344,580−20.8%Reduced
Wellington Management Group LLP1,104,225$1.02B0.18%+2510.0%Added
Invesco Ltd.1,081,070$999.4M0.19%−80,044−6.9%Reduced
Brown Advisory Inc980,731$906.7M1.14%−6,708−0.7%Reduced
JPMorgan Chase & Co920,947$851.4M0.07%−211,892−18.7%Reduced
Bank of America Corp764,199$706.5M0.06%−35,883−4.5%Reduced
Norges Bank741,088$685.1M0.10%+89,191+13.7%Added
Massachusetts Financial Services Co678,093$626.9M0.19%−263,283−28.0%Reduced
Vaughan Nelson Investment Management, L.P.446,215$412.5M3.67%−19,692−4.2%Reduced
Alliancebernstein L.P.444,965$411.4M0.14%−53,366−10.7%Reduced
Morgan Stanley444,892$411.3M0.03%+25,896+6.2%Added
Goldman Sachs Group Inc430,263$397.8M0.08%−79,761−15.6%Reduced
Van Eck Associates Corp447,823$395.7M0.49%+93,362+26.3%Added
Northern Trust Corp414,879$383.6M0.06%−17,318−4.0%Reduced
Rafferty Asset Management, LLC391,069$361.5M1.24%−4,217−1.1%Reduced
Barclays PLC322,115$297.8M0.13%+15,350+5.0%Added
Citigroup Inc317,488$293.5M0.27%−12,344−3.7%Reduced
Charles Schwab Investment Management Inc314,264$290.5M0.06%+5,645+1.8%Added
Bank of New York Mellon Corp313,599$289.9M0.05%−13,771−4.2%Reduced
CIBC Private Wealth Group, LLC294,615$272.4M0.49%+51,002+20.9%Added
Legal & General Group Plc286,537$264.9M0.07%+55,887+24.2%Added
Kayne Anderson Rudnick Investment Management LLC281,527$260.3M0.57%+5,548+2.0%Added
Macquarie Group Ltd271,945$251.4M0.27%−90,236−24.9%Reduced
Royal Bank of Canada264,533$244.6M0.05%+65,389+32.8%Added
Artisan Partners Limited Partnership257,621$238.2M0.36%−101,478−28.3%Reduced
Capital Research Global Investors256,871$237.5M0.05%−95,472−27.1%Reduced
UBS Asset Management Americas Inc232,051$214.5M0.06%−4,356−1.8%Reduced
Voya Investment Management LLC228,637$211.4M0.22%−14,526−6.0%Reduced
American Century Companies Inc225,556$208.5M0.12%−9,952−4.2%Reduced
Canada Pension Plan Investment Board217,730$201.3M0.19%+74,334+51.8%Added
Earnest Partners LLC215,491$199.2M0.87%−10,946−4.8%Reduced
UBS Group AG212,422$196.4M0.06%+95,244+81.3%Added
Polar Capital Holdings Plc205,829$190.3M1.12%+27,205+15.2%Added
Nuveen Asset Management, LLC204,446$189.1M0.05%+6,678+3.4%Added
Whale Rock Capital Management LLC200,490$185.4M2.60%+102,380+104.4%Added
SEI Investments Co197,116$182.2M0.24%−13,353−6.3%Reduced
Allspring Global Investments Holdings, LLC196,674$181.8M0.28%−22,195−10.1%Reduced
Ameriprise Financial Inc194,198$180.0M0.05%+3,111+1.6%Added
DekaBank Deutsche Girozentrale190,443$174.3M0.32%−704−0.4%Reduced
Impax Asset Management Group plc187,524$172.3M0.68%−24,661−11.6%Reduced
Manufacturers Life Insurance Company, The186,109$172.1M0.15%−483−0.3%Reduced
Envestnet Asset Management Inc170,600$157.7M0.05%−2,730−1.6%Reduced
Natixis Advisors, L.P.166,308$153.8M0.30%−4,318−2.5%Reduced
Millennium Management LLC158,928$146.9M0.13%+152,467+2,359.8%Added
Ensign Peak Advisors, Inc152,076$140.6M0.25%+2,872+1.9%Added
Dimensional Fund Advisors LP148,826$137.6M0.03%−2,580−1.7%Reduced
Baird Financial Group, Inc.145,244$134.3M0.26%−10,728−6.9%Reduced
Swiss National Bank144,500$133.6M0.09%+400+0.3%Added
Congress Asset Management Co144,238$133.3M0.91%−99,092−40.7%Reduced
Frontier Capital Management Co LLC142,716$131.9M1.24%+15,268+12.0%Added
Robeco Schweiz AG139,817$129.3M2.42%−2,430−1.7%Reduced
BNP Paribas Arbitrage, SA137,536$127.2M0.12%−40,885−22.9%Reduced
Neuberger Berman Group LLC135,601$125.4M0.10%+8,033+6.3%Added
Susquehanna International Group, LLP134,252$124.1M0.21%+76,272+131.5%Added
HSBC Holdings PLC133,880$123.6M0.08%−189−0.1%Reduced
Jane Street Group, LLC133,660$123.6M0.20%+88,901+198.6%Added
1832 Asset Management L.P.129,200$119.4M0.20%+123,900+2,337.7%Added
Eagle Asset Management Inc153,898$117.2M0.60%−41,213−21.1%Reduced
Deutsche Bank AG126,531$117.0M0.05%+6,070+5.0%Added
Lord, Abbett & Co. LLC125,515$116.0M0.37%−91,766−42.2%Reduced
TimesSquare Capital Management, LLC111,574$103.2M1.54%−905−0.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.109,900$101.6M0.07%+1,802+1.7%Added
Rhumbline Advisers109,670$101.4M0.09%−5,163−4.5%Reduced
EULAV Asset Management108,274$100.1M2.44%+8,600+8.6%Added
Analog Century Management LP103,840$96.0M6.53%+22,845+28.2%Added
STRS Ohio103,146$95.4M0.37%−5,126−4.7%Reduced
Allianz Asset Management GmbH102,935$95.2M0.15%+56,609+122.2%Added
Jennison Associates LLC101,918$94.2M0.06%+101,211+14,315.6%Added
Victory Capital Management Inc99,993$92.4M0.09%+21,240+27.0%Added
LPL Financial LLC98,510$91.1M0.04%+8,238+9.1%Added
Eventide Asset Management, LLC93,869$86.8M1.50%−4,734−4.8%Reduced
Pictet Asset Management Holding SA87,907$81.3M0.09%−150,518−63.1%Reduced
First Trust Advisors LP86,486$80.0M0.08%+6,881+8.6%Added
California Public Employees Retirement System84,621$78.2M0.05%−38,488−31.3%Reduced
DF Dent & Co Inc83,244$77.0M0.94%−2,061−2.4%Reduced
Qube Research & Technologies Ltd82,869$76.6M0.14%−130,316−61.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund81,971$75.8M0.18%−28,179−25.6%Reduced
Principal Financial Group Inc81,064$74.9M0.04%−38,716−32.3%Reduced
AQR Capital Management LLC80,722$74.6M0.10%−3,638−4.3%Reduced
California State Teachers Retirement System76,947$71.1M0.08%−266−0.3%Reduced
Rokos Capital Management LLP76,518$70.8M2.49%+43,189+129.6%Added
Amundi76,597$70.7M0.03%−609−0.8%Reduced
Prudential Financial Inc74,437$68.8M0.10%+565+0.8%Added
Twinbeech Capital LP71,554$66.2M1.26%+71,554New
Adage Capital Partners GP, L.L.C.71,000$65.6M0.12%+29,300+70.3%Added
National Pension Service70,088$64.8M0.06%+2,926+4.4%Added
Mirae Asset Global Investments Co., Ltd.69,854$64.6M0.29%−2,543−3.5%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.69,016$63.8M0.07%+5,058+7.9%Added
Natixis Investment Managers International65,760$60.8M4.36%−255−0.4%Reduced
Resona Asset Management Co.,Ltd.59,311$54.8M0.32%−6,119−9.4%Reduced
Holocene Advisors, LP58,627$54.2M0.22%+58,627New
Wells Fargo & Company57,709$53.4M0.01%−2,052−3.4%Reduced
Skandinaviska Enskilda Banken AB (publ)56,465$52.2M0.24%+32,814+138.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)54,723$50.6M0.15%−4,892−8.2%Reduced