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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, Q4 2023

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 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
737
+90 vs. Q3 2023
Shares held
45.4M
−552.0K (−1.2%) vs. Q3 2023
Total value
$28.6B
+$7.40B (+34.9%) vs. Q3 2023
New holders
137
276 more added
Sold out
47
243 more reduced

8 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 737 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 heldQ4 2023: $28.6B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2023.

Institutions holding MPWR in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
New York Life Investment Management LLC6,807$4.29M0.04%−29−0.4%Reduced
Guggenheim Capital LLC6,839$4.31M0.03%−163−2.3%Reduced
Factory Mutual Insurance Co6,856$4.32M0.05%00.0%Unchanged
Pathstone Holdings, LLC6,888$4.35M0.02%+6,888New
Larson Financial Group LLC7,074$4.46M0.39%−400−5.4%Reduced
Swiss Life Asset Management Ltd7,108$4.48M0.05%−1,598−18.4%Reduced
GWM Advisors LLC7,086$4.48M0.04%+965+15.8%Added
Taylor Frigon Capital Management LLC7,631$4.81M2.42%−164−2.1%Reduced
Mutual of America Capital Management LLC7,750$4.89M0.06%−425−5.2%Reduced
Tower Research Capital LLC (TRC)7,836$4.94M0.06%+2,981+61.4%Added
First Hawaiian Bank7,940$5.01M0.16%−370−4.5%Reduced
Mariner, LLC7,942$5.01M0.01%+3,431+76.1%Added
Level Four Advisory Services, LLC7,965$5.02M0.28%−111−1.4%Reduced
Utah Retirement Systems7,987$5.04M0.06%+173+2.2%Added
Tredje AP-fonden8,216$5.18M0.06%+778+10.5%Added
The PNC Financial Services Group, Inc.8,274$5.22M0.00%+988+13.6%Added
Thornburg Investment Management Inc8,280$5.22M0.08%−1,256−13.2%Reduced
Czech National Bank8,391$5.29M0.08%+41+0.5%Added
Envestnet Portfolio Solutions, Inc.8,454$5.33M0.02%−272−3.1%Reduced
KP Management LLC8,500$5.36M2.66%+8,500New
Handelsbanken Fonder AB8,644$5.45M0.03%+600+7.5%Added
Financial Counselors Inc8,667$5.47M0.10%−12−0.1%Reduced
Yousif Capital Management, LLC8,776$5.54M0.07%+346+4.1%Added
Stratos Wealth Partners, LTD.8,823$5.57M0.10%+188+2.2%Added
SG Americas Securities, LLC8,848$5.58M0.06%+6,764+324.6%Added
APG Asset Management US Inc.9,059$5.71M0.04%+9,059New
LGT Group Foundation9,104$5.76M0.13%+2,219+32.2%Added
Allianz Asset Management GmbH9,208$5.81M0.01%−1,391−13.1%Reduced
Aware Super Pty Ltd as trustee of Aware Super6,426$5.82M0.08%+6,426New
American Capital Management Inc9,269$5.85M0.20%+936+11.2%Added
TownSquare Capital, LLC9,375$5.91M0.10%+506+5.7%Added
Fred Alger Management, LLC9,399$5.93M0.03%+47+0.5%Added
Gotham Asset Management, LLC9,690$6.11M0.11%−3,851−28.4%Reduced
Korea Investment CORP9,736$6.14M0.02%+2,304+31.0%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main9,864$6.22M0.01%+900+10.0%Added
Texas Permanent School Fund9,894$6.24M0.05%+20+0.2%Added
NorthCrest Asset Manangement, LLC10,000$6.31M0.24%00.0%Unchanged
HighTower Advisors, LLC10,082$6.37M0.01%+1,542+18.1%Added
Aquatic Capital Management LLC10,400$6.56M0.17%+1,520+17.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,492$6.62M0.05%+885+9.2%Added
HBK Investments L P10,536$6.65M0.16%+10,536New
Retirement Systems of Alabama10,560$6.66M0.03%−243−2.2%Reduced
Xponance, Inc.10,571$6.67M0.08%−299−2.8%Reduced
Comerica Bank10,850$6.84M0.03%+326+3.1%Added
Fifth Third Bancorp10,919$6.89M0.03%+416+4.0%Added
Lido Advisors, LLC11,389$7.20M0.07%+11,389New
Silvant Capital Management LLC11,440$7.23M0.39%00.0%Unchanged
Blair William & Co11,475$7.24M0.02%−33−0.3%Reduced
Schroder Investment Management Group11,574$7.30M0.01%+1,469+14.5%Added
Pinnacle Financial Partners Inc11,673$7.36M0.17%+552+5.0%Added
Nisa Investment Advisors, LLC11,748$7.41M0.05%+1,020+9.5%Added
Forsta Ap-Fonden11,800$7.44M0.08%+3,100+35.6%Added
Skandinaviska Enskilda Banken AB (publ)12,157$7.68M0.04%−159−1.3%Reduced
Storebrand Asset Management AS12,312$7.77M0.03%+2,392+24.1%Added
Arizona State Retirement System12,475$7.87M0.06%+184+1.5%Added
ProShare Advisors LLC12,566$7.93M0.02%−1,454−10.4%Reduced
Atria Wealth Solutions, Inc.12,753$8.05M0.10%−258−2.0%Reduced
Westwood Holdings Group Inc.12,872$8.12M0.07%00.0%Unchanged
Amalgamated Bank12,934$8.16M0.07%−64−0.5%Reduced
MML Investors Services, LLC13,233$8.35M0.04%+1,476+12.6%Added
Swedbank AB13,400$8.45M0.01%+1,200+9.8%Added
Citadel Advisors LLC13,401$8.45M0.01%−46,643−77.7%Reduced
MetLife Investment Management13,486$8.51M0.06%−174−1.3%Reduced
Qube Research & Technologies Ltd13,626$8.60M0.02%−146,161−91.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund13,702$8.64M0.03%+4,266+45.2%Added
American International Group, Inc.13,723$8.66M0.04%+151+1.1%Added
State of Michigan Retirement System13,770$8.69M0.05%+100+0.7%Added
Assetmark, Inc14,120$8.91M0.03%+9,655+216.2%Added
Value Aligned Research Advisors, LLC14,222$8.97M2.27%+559+4.1%Added
Alberta Investment Management Corp14,232$8.98M0.08%+4,570+47.3%Added
State of Tennessee, Treasury Department14,380$9.07M0.04%+917+6.8%Added
Marshall Wace, LLP14,391$9.08M0.02%+14,391New
Copeland Capital Management, LLC14,921$9.41M0.19%−365−2.4%Reduced
Weiss Multi-Strategy Advisers LLC15,000$9.46M0.24%−17,500−53.8%Reduced
Sit Investment Associates Inc15,186$9.58M0.23%−1,190−7.3%Reduced
Moran Wealth Management, LLC15,343$9.68M0.34%+331+2.2%Added
Raymond James Financial Services Advisors, Inc.16,045$10.1M0.02%+322+2.0%Added
CIBC World Markets Corp16,602$10.5M0.06%+13,965+529.6%Added
Advisor Group Holdings, Inc.16,951$10.7M0.02%−9,546−36.0%Reduced
Erste Asset Management GmbH17,000$10.7M0.16%−2,500−12.8%Reduced
Snowden Capital Advisors LLC17,088$10.8M0.41%+482+2.9%Added
KBC Group NV17,096$10.8M0.04%−18,177−51.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)17,172$10.8M0.04%−407−2.3%Reduced
Kornitzer Capital Management Inc17,363$11.0M0.21%00.0%Unchanged
Nomura Asset Management Co Ltd17,535$11.1M0.05%+501+2.9%Added
Whittier Trust Co of Nevada Inc17,610$11.1M0.36%−1,108−5.9%Reduced
Stifel Financial Corp17,756$11.2M0.01%+24+0.1%Added
State of Alaska, Department of Revenue17,829$11.2M0.13%−340−1.9%Reduced
Asset Management One Co.,Ltd.19,262$12.2M0.05%−245−1.3%Reduced
TD Asset Management Inc19,715$12.4M0.01%−114,898−85.4%Reduced
Treasurer of the State of North Carolina20,393$12.9M0.06%−120−0.6%Reduced
Standard Life Aberdeen plc20,815$13.1M0.03%+8,294+66.2%Added
Illinois Municipal Retirement Fund21,265$13.4M0.22%+2,498+13.3%Added
Tudor Investment Corp Et Al22,077$13.9M0.19%−4,598−17.2%Reduced
Capital Fund Management S.A.22,320$14.1M0.18%+22,320New
Arcadia Investment Management Corp22,954$14.5M2.77%−487−2.1%Reduced
US Bancorp23,157$14.6M0.02%+8,153+54.3%Added
Public Employees Retirement System of Ohio23,590$14.9M0.06%+703+3.1%Added
Geneva Capital Management LLC23,891$15.1M0.28%+9,472+65.7%Added
Azimuth Capital Investment Management LLC25,389$16.0M0.72%−72−0.3%Reduced