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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 2022

Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2022. 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
611
−11 vs. Q4 2021
Shares held
44.0M
+395.1K (+0.9%) vs. Q4 2021
Total value
$21.3B
−$206.7M (−1.0%) vs. Q4 2021
New holders
77
256 more added
Sold out
88
205 more reduced

5 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 2022: 611 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 2022: $21.3B
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 2022

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2021.

Institutions holding MPWR in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Granahan Investment Management Inc8,228$4.00M0.10%+543+7.1%Added
Gulf International Bank (UK) Ltd8,259$4.01M0.06%00.0%Unchanged
Putnam Investments LLC8,333$4.05M0.01%+8,333New
Forsta Ap-Fonden8,400$4.08M0.05%−700−7.7%Reduced
Midwest Wealth Management Inc.8,418$4.09M2.48%+174+2.1%Added
LGT Group Foundation8,912$4.13M0.10%+8,912New
Swiss Life Asset Management Ltd8,579$4.17M0.06%−470−5.2%Reduced
Executive Wealth Management, LLC8,644$4.20M0.46%−243−2.7%Reduced
Schroder Investment Management Group8,759$4.28M0.01%−12,934−59.6%Reduced
TownSquare Capital, LLC8,873$4.31M0.11%+280+3.3%Added
Comerica Bank10,399$4.50M0.03%−106−1.0%Reduced
Level Four Advisory Services, LLC9,353$4.54M0.36%+1,314+16.3%Added
Bahl & Gaynor Inc9,538$4.63M0.03%+14+0.1%Added
Chartwell Investment Partners, LLC9,794$4.76M0.16%+314+3.3%Added
Commerce Bank9,876$4.80M0.03%−606−5.8%Reduced
Bridgewater Associates, LP10,119$4.92M0.02%+10,119New
American Capital Management Inc10,206$4.96M0.15%−136−1.3%Reduced
Blair William & Co10,335$5.02M0.02%+883+9.3%Added
ClariVest Asset Management LLC11,050$5.37M0.21%−200−1.8%Reduced
Cinctive Capital Management LP11,077$5.38M0.24%−9,249−45.5%Reduced
Yousif Capital Management, LLC11,172$5.43M0.06%−23−0.2%Reduced
Oppenheimer Asset Management Inc.11,285$5.48M0.08%−845−7.0%Reduced
Boothbay Fund Management, LLC11,303$5.49M0.18%+6,935+158.8%Added
Truist Financial Corp11,518$5.59M0.01%+1,612+16.3%Added
State of Michigan Retirement System11,670$5.67M0.03%+62+0.5%Added
Synovus Financial Corp11,733$5.68M0.06%+506+4.5%Added
Nisa Investment Advisors, LLC11,920$5.79M0.04%+100+0.8%Added
Standard Life Aberdeen plc11,926$5.89M0.02%−1,763−12.9%Reduced
Skandinaviska Enskilda Banken AB (publ)12,144$5.90M0.03%+3,215+36.0%Added
Arizona State Retirement System12,189$5.92M0.05%+311+2.6%Added
Westwood Holdings Group Inc.12,226$5.94M0.05%−2,967−19.5%Reduced
Voloridge Investment Management, LLC12,232$5.94M0.03%+620+5.3%Added
Covenant Asset Management, LLC12,330$5.99M1.80%+83+0.7%Added
Taylor Frigon Capital Management LLC12,814$6.22M2.31%−2,612−16.9%Reduced
Guggenheim Capital LLC12,879$6.25M0.04%−5,238−28.9%Reduced
Man Group plc12,989$6.31M0.02%−21,919−62.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,996$6.31M0.03%+740+6.0%Added
American International Group, Inc.13,298$6.46M0.04%−320−2.3%Reduced
First Hawaiian Bank13,680$6.64M0.21%−2,820−17.1%Reduced
Zevenbergen Capital Investments LLC13,735$6.67M0.18%−1,180−7.9%Reduced
MetLife Investment Management13,857$6.73M0.04%+4,283+44.7%Added
Raymond James Financial Services Advisors, Inc.13,856$6.73M0.01%+550+4.1%Added
Retirement Systems of Alabama14,357$6.97M0.03%+10.0%Added
Sit Investment Associates Inc14,518$7.05M0.19%−625−4.1%Reduced
Capital Fund Management S.A.14,688$7.13M0.19%+14,688New
Mackenzie Financial Corp14,728$7.15M0.01%+5,621+61.7%Added
Oregon Public Employees Retirement Fund14,744$7.16M0.07%+177+1.2%Added
Royal London Asset Management Ltd14,921$7.24M0.03%00.0%Unchanged
State of Alaska, Department of Revenue16,161$7.85M0.08%−244−1.5%Reduced
ProShare Advisors LLC16,185$7.86M0.02%−2,659−14.1%Reduced
Cubist Systematic Strategies, LLC16,574$8.05M0.07%−16,464−49.8%Reduced
Treasurer of the State of North Carolina16,701$8.11M0.04%+443+2.7%Added
Stifel Financial Corp16,770$8.14M0.01%−513−3.0%Reduced
Aviva PLC16,998$8.26M0.04%−4,279−20.1%Reduced
Great West Life Assurance Co16,248$8.27M0.02%−149−0.9%Reduced
Vontobel Holding Ltd.17,172$8.39M0.07%+750+4.6%Added
Amalgamated Bank17,574$8.54M0.07%+406+2.4%Added
Amalgamated Financial Corp.17,574$8.54M0.07%+17,574New
APG Asset Management N.V.19,895$8.68M0.02%+8,600+76.1%Added
Atria Wealth Solutions, Inc.18,424$8.96M0.15%+18,424New
Lisanti Capital Growth, LLC19,270$9.36M1.05%+15,175+370.6%Added
Janney Montgomery Scott LLC20,044$9.73M0.04%+1,665+9.1%Added
EULAV Asset Management21,569$10.5M0.31%00.0%Unchanged
Advisor Group Holdings, Inc.24,219$10.6M0.02%+2,250+10.2%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.22,335$10.8M0.04%+1,737+8.4%Added
Whittier Trust Co of Nevada Inc22,389$10.9M0.39%+3,570+19.0%Added
Frontier Capital Management Co LLC22,474$10.9M0.10%−78−0.3%Reduced
Pacer Advisors, Inc.22,668$11.0M0.09%+11,727+107.2%Added
Tower Research Capital LLC (TRC)23,043$11.2M0.11%+18,667+426.6%Added
US Bancorp23,099$11.2M0.02%+1,870+8.8%Added
Nomura Asset Management Co Ltd23,941$11.6M0.06%−217−0.9%Reduced
Public Employees Retirement System of Ohio23,947$11.6M0.04%−6,737−22.0%Reduced
Snowden Capital Advisors LLC24,244$11.8M0.47%+940+4.0%Added
Thornburg Investment Management Inc24,529$11.9M0.16%−2,784−10.2%Reduced
Pinpoint Asset Management Ltd24,800$12.0M4.99%+24,800New
Susquehanna International Group, LLP25,096$12.2M0.02%+7,391+41.7%Added
State of New Jersey Common Pension Fund D25,630$12.4M0.04%+749+3.0%Added
Chevy Chase Trust Holdings, Inc.26,050$12.7M0.04%+66+0.3%Added
Asset Management One Co.,Ltd.26,538$12.9M0.05%+373+1.4%Added
Bank of Montreal26,101$12.9M0.01%−5,474−17.3%Reduced
Analog Century Management LP26,850$13.0M4.43%+5,250+24.3%Added
Arcadia Investment Management Corp27,673$13.4M2.54%−901−3.2%Reduced
Toronto Dominion Bank27,783$13.5M0.02%−31,232−52.9%Reduced
Quadrature Capital Ltd27,999$13.6M0.55%+27,999New
KBC Group NV27,983$13.6M0.05%−61,684−68.8%Reduced
Korea Investment CORP29,000$14.1M0.03%+13,500+87.1%Added
Russell Investments Group, Ltd.29,814$14.5M0.03%−1,968−6.2%Reduced
Robeco Institutional Asset Management B.V.30,073$14.6M0.03%+9,240+44.4%Added
USS Investment Management Ltd31,438$15.3M0.13%−5,659−15.3%Reduced
Caisse de Depot Et Placement du Quebec31,595$15.3M0.04%+4,400+16.2%Added
Worldquant Millennium Advisors LLC33,156$16.1M0.39%+27,277+464.0%Added
Mitsubishi UFJ Trust & Banking Corp33,186$16.1M0.04%−553−1.6%Reduced
Pictet Asset Management SA33,774$16.4M0.02%−2,687−7.4%Reduced
Panagora Asset Management Inc36,425$17.7M0.10%−71,838−66.4%Reduced
Hantz Financial Services, Inc.37,334$18.1M0.53%+120+0.3%Added
Congress Wealth Management LLC38,242$18.6M0.41%+573+1.5%Added
LPL Financial LLC38,300$18.6M0.02%+3,230+9.2%Added
New York State Teachers Retirement System39,195$19.0M0.04%−200−0.5%Reduced
Prudential Financial Inc40,246$19.5M0.03%−26,039−39.3%Reduced
Natixis Investment Managers International41,480$20.1M0.35%−35,630−46.2%Reduced