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, 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
Financial Counselors Inc7,399$4.29M0.07%+377+5.4%Added
Acadian Asset Management LLC7,629$4.42M0.01%+140+1.9%Added
Comerica Bank7,690$4.46M0.02%−2,819−26.8%Reduced
MML Investors Services, LLC7,729$4.48M0.01%+175+2.3%Added
Utah Retirement Systems7,759$4.50M0.05%00.0%Unchanged
Oppenheimer & Co Inc7,931$4.60M0.07%+3,698+87.4%Added
Mackenzie Financial Corp8,092$4.69M0.01%+2,150+36.2%Added
Norden Group LLC8,249$4.78M0.55%−149−1.8%Reduced
Tredje AP-fonden8,286$4.81M0.04%00.0%Unchanged
BLB&B Advisors, LLC8,437$4.89M0.25%+8,437New
IFM Investors Pty Ltd8,548$4.96M0.05%−427−4.8%Reduced
Rakuten Investment Management, Inc.8,601$4.99M0.02%+8,601New
Jump Financial, LLC8,867$5.14M0.08%−15,076−63.0%Reduced
Larson Financial Group LLC8,868$5.14M0.24%+1,350+18.0%Added
Raiffeisen Bank International AG8,998$5.22M0.08%−3,196−26.2%Reduced
LGT Group Foundation9,045$5.25M0.07%+9,045New
CWM Advisors, LLC9,065$5.26M0.62%+1,951+27.4%Added
GWM Advisors LLC9,069$5.26M0.03%−782−7.9%Reduced
Edgestream Partners, L.P.9,117$5.29M0.18%−5,423−37.3%Reduced
Bokf, NA9,191$5.33M0.09%+486+5.6%Added
Daiwa Securities Group Inc.9,229$5.35M0.02%+598+6.9%Added
Harvest Fund Management Co., Ltd9,277$5.38M0.27%−5,258−36.2%Reduced
British Columbia Investment Management Corp9,330$5.41M0.03%−7−0.1%Reduced
USS Investment Management Ltd9,332$5.41M0.04%−4,200−31.0%Reduced
Level Four Advisory Services, LLC9,332$5.41M0.22%+823+9.7%Added
Fifth Third Bancorp9,405$5.45M0.02%+2,171+30.0%Added
Cetera Investment Advisers9,464$5.49M0.01%+526+5.9%Added
Stratos Wealth Partners, LTD.9,466$5.49M0.08%+114+1.2%Added
Blair William & Co9,508$5.51M0.02%−1,850−16.3%Reduced
Pacer Advisors, Inc.9,686$5.62M0.01%+1,493+18.2%Added
Storebrand Asset Management AS10,012$5.81M0.02%−3,255−24.5%Reduced
Toroso Investments, LLC10,120$5.87M0.05%+5,869+138.1%Added
Amalgamated Bank10,173$5.90M0.05%+216+2.2%Added
Creative Planning10,216$5.92M0.01%+1,697+19.9%Added
Mariner, LLC10,232$5.93M0.01%+789+8.4%Added
Retirement Systems of Alabama10,276$5.96M0.02%−284−2.7%Reduced
NorthCrest Asset Manangement, LLC10,298$5.97M0.18%+66+0.6%Added
The PNC Financial Services Group, Inc.10,456$6.06M0.00%+1,012+10.7%Added
Westwood Holdings Group Inc.10,467$6.07M0.05%00.0%Unchanged
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund10,598$6.15M0.07%+700+7.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,937$6.34M0.04%+565+5.4%Added
Czech National Bank10,984$6.37M0.06%+401+3.8%Added
Xponance, Inc.11,120$6.45M0.06%−617−5.3%Reduced
UniSuper Management Pty Ltd11,242$6.52M0.05%+400+3.7%Added
Silvant Capital Management LLC11,440$6.63M0.31%00.0%Unchanged
Nicholas Investment Partners, LP11,742$6.81M0.70%−744−6.0%Reduced
Meridiem Capital Partners LP11,984$6.95M0.76%−5,169−30.1%Reduced
US Bancorp12,091$7.01M0.01%−8,206−40.4%Reduced
Lazard Asset Management LLC12,099$7.02M0.01%−27,736−69.6%Reduced
Corebridge Financial, Inc.12,172$7.06M0.04%−717−5.6%Reduced
Achmea Investment Management B.V.12,808$7.43M0.11%+4,858+61.1%Added
Arrowstreet Capital, Limited Partnership13,031$7.56M0.01%+12,263+1,596.7%Added
Pathstone Holdings, LLC13,345$7.74M0.03%−345−2.5%Reduced
Quest Investment Management LLC13,416$7.78M0.96%−118−0.9%Reduced
Nisa Investment Advisors, LLC13,712$7.97M0.04%−5,263−27.7%Reduced
State of Michigan Retirement System13,770$7.99M0.05%−300−2.1%Reduced
GDS Wealth Management13,883$8.05M0.69%+5,715+70.0%Added
Federated Hermes, Inc.13,993$8.12M0.02%−9,002−39.1%Reduced
Arizona State Retirement System14,087$8.17M0.05%−53−0.4%Reduced
MetLife Investment Management14,453$8.38M0.05%−497−3.3%Reduced
Twin Tree Management, LP14,537$8.43M0.19%+7,780+115.1%Added
KBC Group NV14,543$8.43M0.03%−8,625−37.2%Reduced
ICICI Prudential Asset Management Co Ltd14,877$8.63M1.12%+9,500+176.7%Added
Hantz Financial Services, Inc.15,017$8.71M0.15%−583−3.7%Reduced
State of Tennessee, Treasury Department15,353$8.90M0.03%+3,508+29.6%Added
Point72 Hong Kong Ltd15,401$8.93M0.64%+15,401New
Illinois Municipal Retirement Fund15,699$9.11M0.13%−1,227−7.2%Reduced
Moran Wealth Management, LLC15,788$9.16M0.31%+109+0.7%Added
Lansforsakringar Fondforvaltning AB (publ)16,051$9.31M0.06%−52−0.3%Reduced
Hancock Whitney Corp16,159$9.37M0.31%+2,202+15.8%Added
Congress Wealth Management LLC16,256$9.43M0.11%−2,180−11.8%Reduced
CBOE Vest Financial, LLC16,293$9.45M0.15%+15,948+4,622.6%Added
State of New Jersey Common Pension Fund D16,318$9.46M0.04%−1,323−7.5%Reduced
Gotham Asset Management, LLC16,360$9.49M0.08%+978+6.4%Added
Nomura Asset Management Co Ltd16,500$9.57M0.03%+357+2.2%Added
Sit Investment Associates Inc16,591$9.62M0.23%+79+0.5%Added
KLP Kapitalforvaltning AS16,750$9.74M0.05%+300+1.8%Added
TownSquare Capital, LLC17,051$9.89M0.11%+667+4.1%Added
Silvercrest Asset Management Group LLC17,274$10.0M0.07%+996+6.1%Added
Mn Services Vermogensbeheer B.V.17,400$10.1M0.08%−1,300−7.0%Reduced
Bryn Mawr Trust Co17,529$10.2M0.19%−7,452−29.8%Reduced
Nissay Asset Management Corp17,561$10.2M0.07%+1,111+6.8%Added
Teacher Retirement System of Texas17,637$10.2M0.04%+17,181+3,767.8%Added
Polar Capital Holdings Plc17,700$10.3M0.06%+16,700+1,670.0%Added
Credit Agricole S A17,882$10.4M0.04%−57,760−76.4%Reduced
Marshall Wace, LLP18,161$10.5M0.01%−86,567−82.7%Reduced
Sanctuary Advisors, LLC18,696$10.8M0.08%−4,420−19.1%Reduced
Fred Alger Management, LLC18,808$10.9M0.06%+1,415+8.1%Added
Danske Bank A/S19,438$11.3M0.03%−4,774−19.7%Reduced
Assetmark, Inc19,612$11.4M0.03%−1,248−6.0%Reduced
Robeco Institutional Asset Management B.V.19,959$11.6M0.02%−13,018−39.5%Reduced
Capitolis Liquid Global Markets LLC20,162$11.7M0.10%+20,162New
Toronto Dominion Bank20,221$11.7M0.03%+3,712+22.5%Added
Segall Bryant & Hamill, LLC20,253$11.7M0.18%−5,643−21.8%Reduced
Forsta Ap-Fonden20,300$11.8M0.09%+9,900+95.2%Added
Lombard Odier Asset Management (Europe) Ltd20,549$11.9M0.96%+20,549New
Asset Management One Co.,Ltd.20,754$12.0M0.04%+242+1.2%Added
Arcadia Investment Management Corp21,075$12.2M2.21%−1,040−4.7%Reduced
Pinnacle Financial Partners Inc21,585$12.5M0.25%+2,485+13.0%Added
Whittier Trust Co of Nevada Inc21,721$12.6M0.32%+859+4.1%Added