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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 2025

Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2025. 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
862
+13 vs. Q4 2024
Shares held
46.7M
+400.1K (+0.9%) vs. Q4 2024
Total value
$27.0B
−$340.6M (−1.2%) vs. Q4 2024
New holders
123
331 more added
Sold out
110
309 more reduced

15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 862 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 2025: $27.0B
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 2025

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2024.

Institutions holding MPWR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
4D Advisors, LLC3,000$1.74M1.35%−5,500−64.7%Reduced
Values First Advisors, Inc.3,025$1.75M1.02%−13−0.4%Reduced
Torray LLC3,052$1.77M0.26%−76−2.4%Reduced
Mirova3,069$1.78M0.32%−328−9.7%Reduced
Guidance Capital, Inc2,804$1.79M0.55%+461+19.7%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main3,081$1.79M0.00%−8,106−72.5%Reduced
Paragon Advisors, LLC3,116$1.81M0.68%−2,012−39.2%Reduced
O'Shaughnessy Asset Management, LLC3,117$1.81M0.01%+818+35.6%Added
Redhawk Wealth Advisors, Inc.3,119$1.81M0.24%−428−12.1%Reduced
Profund Advisors LLC3,122$1.81M0.08%−531−14.5%Reduced
DSG Capital Advisors, LLC3,130$1.82M0.37%−723−18.8%Reduced
Leelyn Smith, LLC3,131$1.82M0.32%+165+5.6%Added
Kentucky Retirement Systems3,206$1.86M0.06%−144−4.3%Reduced
Change Path, LLC3,271$1.90M0.06%+1,087+49.8%Added
Harfst & Associates, Inc.3,271$1.90M0.44%−117−3.5%Reduced
Brinker Capital Investments, LLC3,276$1.90M0.02%+691+26.7%Added
Orion Portfolio Solutions, LLC3,276$1.90M0.02%+691+26.7%Added
Bridgewater Associates, LP3,276$1.90M0.01%+3,276New
Winton Group Ltd3,309$1.92M0.12%+1,464+79.3%Added
Schonfeld Strategic Advisors LLC3,384$1.96M0.01%−1,394−29.2%Reduced
Wiley Bros.-Aintree Capital, LLC3,439$2.00M0.02%+413+13.6%Added
Avantax Advisory Services, Inc.3,447$2.00M0.01%+247+7.7%Added
Catalyst Funds Management Pty Ltd3,500$2.03M0.53%+3,500New
Trilogy Capital Inc.3,592$2.08M0.11%+64+1.8%Added
Intrust Bank NA3,608$2.09M0.21%−142−3.8%Reduced
Ethic Inc.3,616$2.10M0.04%−658−15.4%Reduced
Guggenheim Capital LLC3,717$2.16M0.02%−963−20.6%Reduced
Wealth Enhancement Advisory Services, LLC3,719$2.16M0.00%+438+13.3%Added
Nordea Investment Management AB3,839$2.17M0.00%−243−6.0%Reduced
Teachers Retirement System of the State of Kentucky3,768$2.19M0.02%+211+5.9%Added
Park Avenue Securities LLC3,770$2.19M0.03%+80+2.2%Added
Plato Investment Management Ltd3,732$2.19M0.18%−53−1.4%Reduced
Peapack Gladstone Financial Corp3,784$2.19M0.03%−190−4.8%Reduced
Polymer Capital Management (US) LLC3,800$2.20M0.67%+3,800New
Mizuho Securities USA LLC3,829$2.22M0.05%−794−17.2%Reduced
Groupama Asset Managment3,917$2.27M0.05%+1,246+46.6%Added
Vident Advisory, LLC4,010$2.33M0.03%+2,800+231.4%Added
Pensionmark Financial Group, LLC4,028$2.34M0.06%+163+4.2%Added
Linden Thomas Advisory Services, LLC4,121$2.39M0.31%+124+3.1%Added
HighTower Advisors, LLC4,136$2.40M0.00%−2,070−33.4%Reduced
Global X Japan Co., Ltd.4,171$2.42M0.28%+193+4.9%Added
Oregon Public Employees Retirement Fund4,182$2.43M0.05%00.0%Unchanged
Omers Administration Corp4,207$2.44M0.02%+592+16.4%Added
Ieq Capital, LLC4,370$2.53M0.02%+2,045+88.0%Added
Crossmark Global Holdings, Inc.4,455$2.58M0.05%−454−9.2%Reduced
Azzad Asset Management Inc4,552$2.64M0.31%+4,552New
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna4,615$2.68M1.26%−775−14.4%Reduced
Truist Financial Corp4,663$2.70M0.00%−2,765−37.2%Reduced
Cerity Partners LLC4,743$2.75M0.01%+1,083+29.6%Added
Nomura Holdings Inc4,766$2.76M0.01%−9,820−67.3%Reduced
PFG Advisors4,835$2.80M0.16%+1,387+40.2%Added
Mirabaud Asset Management Ltd4,846$2.81M1.47%−35−0.7%Reduced
Coldstream Capital Management Inc4,881$2.83M0.06%+928+23.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.4,883$2.83M0.01%−14,499−74.8%Reduced
Rathbone Brothers plc4,995$2.90M0.01%+1,488+42.4%Added
Los Angeles Capital Management LLC5,012$2.91M0.01%−6,166−55.2%Reduced
RFG Advisory, LLC5,036$2.92M0.08%+3,985+379.2%Added
Wasatch Advisors Inc5,062$2.94M0.02%+851+20.2%Added
Meiji Yasuda Asset Management Co Ltd.5,068$2.94M0.12%+1,174+30.1%Added
Mercer Global Advisors Inc5,087$2.94M0.01%−323−6.0%Reduced
OP Asset Management Ltd5,092$2.95M0.05%+5,092New
Steward Partners Investment Advisory, LLC5,099$2.96M0.03%+125+2.5%Added
Squarepoint Ops LLC5,100$2.96M0.01%−35,211−87.3%Reduced
Davidson Capital Management Inc.5,152$2.99M0.81%+5,136+32,100.0%Added
Bahl & Gaynor Inc5,157$2.99M0.02%+25+0.5%Added
Kornitzer Capital Management Inc5,227$3.03M0.06%−3,300−38.7%Reduced
Sirios Capital Management L P5,321$3.09M0.55%+3,374+173.3%Added
Empowered Funds, LLC5,325$3.09M0.04%+161+3.1%Added
Taylor Frigon Capital Management LLC5,423$3.15M1.87%−160−2.9%Reduced
Envestnet Portfolio Solutions, Inc.5,454$3.16M0.01%−2,844−34.3%Reduced
Jacobs Levy Equity Management, Inc5,456$3.16M0.01%−13,059−70.5%Reduced
Private Advisor Group, LLC5,480$3.18M0.02%+4,970+974.5%Added
Yousif Capital Management, LLC5,558$3.22M0.04%−228−3.9%Reduced
State of Alaska, Department of Revenue5,604$3.25M0.04%+40+0.7%Added
Knollwood Investment Advisory, LLC5,685$3.30M0.36%00.0%Unchanged
Advisor Group Holdings, Inc.5,722$3.32M0.01%−4,666−44.9%Reduced
CIBC World Markets Corp5,812$3.37M0.03%−1,904−24.7%Reduced
HB Wealth Management, LLC5,846$3.39M0.03%+5,091+674.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd5,948$3.45M0.04%+832+16.3%Added
Synovus Financial Corp6,053$3.51M0.05%+1,665+37.9%Added
Mutual of America Capital Management LLC6,100$3.54M0.04%−326−5.1%Reduced
First American Trust, FSB6,162$3.57M0.33%+6,162New
Intact Investment Management Inc.6,200$3.60M0.12%00.0%Unchanged
Commonwealth Equity Services, LLC6,280$3.64M0.01%−6,690−51.6%Reduced
Carderock Capital Management Inc6,359$3.69M0.98%+1,509+31.1%Added
KP Management LLC6,500$3.77M1.45%00.0%Unchanged
Perpetual Ltd6,532$3.79M0.05%+3,596+122.5%Added
JustInvest LLC6,623$3.84M0.06%+1,248+23.2%Added
Wealthfront Advisers LLC6,719$3.90M0.01%+808+13.7%Added
Police & Firemen's Retirement System of New Jersey6,812$3.95M0.04%00.0%Unchanged
Virginia Retirement Systems Et Al7,000$4.06M0.03%+7,000New
Shell Asset Management Co7,027$4.08M0.19%+1,814+34.8%Added
QRG Capital Management, Inc.7,054$4.09M0.04%−296−4.0%Reduced
New York Life Investment Management LLC7,060$4.09M0.04%−161−2.2%Reduced
Advisors Asset Management, Inc.7,075$4.10M0.08%−1,893−21.1%Reduced
American Capital Management Inc7,098$4.12M0.17%−18−0.3%Reduced
First Foundation Advisors7,137$4.14M0.17%+7,137New
CIBC Asset Management Inc7,199$4.18M0.01%−191−2.6%Reduced
D. E. Shaw & Co., Inc.7,277$4.22M0.01%−5,029−40.9%Reduced
Public Sector Pension Investment Board7,283$4.22M0.02%−23,740−76.5%Reduced