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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 2023

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 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
655
+6 vs. Q2 2023
Shares held
46.0M
−638.8K (−1.4%) vs. Q2 2023
Total value
$21.2B
−$3.93B (−15.6%) vs. Q2 2023
New holders
70
265 more added
Sold out
64
240 more reduced

3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 655 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 2023: $21.2B
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 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2023.

Institutions holding MPWR in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Banco Bilbao Vizcaya Argentaria, S.A.5,366$2.48M0.03%+97+1.8%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund5,498$2.54M0.03%+700+14.6%Added
Redwood Investments, LLC5,585$2.58M0.35%−43−0.8%Reduced
UniSuper Management Pty Ltd5,600$2.59M0.03%+400+7.7%Added
Nissay Asset Management Corp5,706$2.64M0.02%+373+7.0%Added
Shaker Investments LLC5,743$2.65M1.46%+2,110+58.1%Added
Empowered Funds, LLC5,749$2.66M0.08%+1,694+41.8%Added
CI Private Wealth, LLC5,767$2.67M0.01%+148+2.6%Added
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna5,800$2.68M1.44%00.0%Unchanged
ING Groep NV5,998$2.77M0.02%+5,998New
Campbell Newman Asset Management Inc6,011$2.78M0.26%−104−1.7%Reduced
Wealthfront Advisers LLC6,115$2.83M0.01%+3,558+139.1%Added
GWM Advisors LLC6,121$2.83M0.03%+297+5.1%Added
Azzad Asset Management Inc6,122$2.83M0.40%−1,068−14.9%Reduced
Two Sigma Securities, LLC6,225$2.88M0.13%+4,834+347.5%Added
Truist Financial Corp6,429$2.97M0.00%−685−9.6%Reduced
Trexquant Investment LP6,548$3.03M0.08%+5,590+583.5%Added
Oppenheimer Asset Management Inc.6,590$3.04M0.05%−47−0.7%Reduced
CIBC Asset Management Inc6,756$3.12M0.01%+297+4.6%Added
Bahl & Gaynor Inc6,767$3.13M0.02%−170−2.5%Reduced
New York Life Investment Management LLC6,836$3.16M0.03%+393+6.1%Added
LGT Group Foundation6,885$3.16M0.08%+130+1.9%Added
Factory Mutual Insurance Co6,856$3.17M0.04%+6,856New
Guggenheim Capital LLC7,002$3.23M0.03%−830−10.6%Reduced
Occudo Quantitative Strategies LP7,082$3.27M0.42%+7,082New
FORA Capital, LLC7,243$3.35M0.29%+7,243New
The PNC Financial Services Group, Inc.7,286$3.37M0.00%+519+7.7%Added
Korea Investment CORP7,432$3.43M0.01%−168−2.2%Reduced
Tredje AP-fonden7,438$3.44M0.05%−673−8.3%Reduced
Jane Street Group, LLC7,456$3.44M0.01%−14,836−66.6%Reduced
Larson Financial Group LLC7,474$3.45M0.34%−151−2.0%Reduced
Aviva PLC7,711$3.56M0.01%+3,087+66.8%Added
Taylor Frigon Capital Management LLC7,795$3.60M2.00%+15+0.2%Added
Utah Retirement Systems7,814$3.61M0.05%+22+0.3%Added
Handelsinvest Investeringsforvaltning8,000$3.70M1.28%+8,000New
PEAK6 Investments LLC8,026$3.71M0.18%+8,026New
Handelsbanken Fonder AB8,044$3.72M0.02%+600+8.1%Added
Level Four Advisory Services, LLC8,076$3.73M0.24%+222+2.8%Added
Synovus Financial Corp8,085$3.74M0.04%−959−10.6%Reduced
Mutual of America Capital Management LLC8,175$3.78M0.05%+202+2.5%Added
First Hawaiian Bank8,310$3.84M0.13%00.0%Unchanged
American Capital Management Inc8,333$3.85M0.15%−16−0.2%Reduced
Czech National Bank8,350$3.86M0.06%+3,017+56.6%Added
Yousif Capital Management, LLC8,430$3.89M0.05%+99+1.2%Added
HighTower Advisors, LLC8,540$3.92M0.01%−1,413−14.2%Reduced
Stratos Wealth Partners, LTD.8,635$3.99M0.09%+361+4.4%Added
IFM Investors Pty Ltd8,665$4.00M0.05%+108+1.3%Added
Financial Counselors Inc8,679$4.01M0.08%+1,585+22.3%Added
Forsta Ap-Fonden8,700$4.02M0.04%−100−1.1%Reduced
Swiss Life Asset Management Ltd8,706$4.02M0.06%+4,023+85.9%Added
Envestnet Portfolio Solutions, Inc.8,726$4.03M0.02%+8,726New
TownSquare Capital, LLC8,869$4.10M0.07%−3,540−28.5%Reduced
Aquatic Capital Management LLC8,880$4.10M0.17%+8,880New
Edgestream Partners, L.P.8,922$4.12M0.33%+7,353+468.6%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main8,964$4.14M0.01%−852−8.7%Reduced
La Financiere de L'Echiquier9,133$4.22M0.22%−1,258−12.1%Reduced
Fred Alger Management, LLC9,352$4.32M0.02%+2,206+30.9%Added
Healthcare of Ontario Pension Plan Trust Fund9,436$4.36M0.02%+9,436New
Oregon Public Employees Retirement Fund9,457$4.37M0.06%−2,328−19.8%Reduced
Thornburg Investment Management Inc9,536$4.41M0.07%−249−2.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys9,607$4.44M0.04%+1,750+22.3%Added
Alberta Investment Management Corp9,662$4.46M0.05%+827+9.4%Added
Texas Permanent School Fund9,874$4.56M0.04%+425+4.5%Added
Storebrand Asset Management AS9,920$4.58M0.02%−475−4.6%Reduced
NorthCrest Asset Manangement, LLC10,000$4.62M0.19%00.0%Unchanged
Schroder Investment Management Group10,105$4.67M0.01%−1,331−11.6%Reduced
National Bank of Canada10,291$4.73M0.01%+2,683+35.3%Added
PDT Partners, LLC10,253$4.74M0.60%−40.0%Reduced
Fifth Third Bancorp10,503$4.85M0.02%−159−1.5%Reduced
Comerica Bank10,524$4.86M0.03%+10,524New
Allianz Asset Management GmbH10,599$4.90M0.01%−43,119−80.3%Reduced
Nisa Investment Advisors, LLC10,728$4.96M0.04%−170−1.6%Reduced
Retirement Systems of Alabama10,803$4.99M0.02%+565+5.5%Added
Xponance, Inc.10,870$5.02M0.07%+502+4.8%Added
Pinnacle Financial Partners Inc11,121$5.14M0.13%+467+4.4%Added
Silvant Capital Management LLC11,440$5.30M0.32%−1,374−10.7%Reduced
Blair William & Co11,508$5.32M0.02%−10,369−47.4%Reduced
MML Investors Services, LLC11,757$5.43M0.03%+3,321+39.4%Added
Two Sigma Investments, LP12,176$5.63M0.02%+12,176New
Swedbank AB12,200$5.64M0.01%−2,200−15.3%Reduced
Arizona State Retirement System12,291$5.68M0.05%+27+0.2%Added
Skandinaviska Enskilda Banken AB (publ)12,316$5.69M0.04%−138−1.1%Reduced
Standard Life Aberdeen plc12,521$5.78M0.01%−424−3.3%Reduced
Westwood Holdings Group Inc.12,872$5.95M0.06%+1,560+13.8%Added
Amalgamated Bank12,998$6.00M0.05%+829+6.8%Added
Atria Wealth Solutions, Inc.13,011$6.01M0.08%+68+0.5%Added
State of Tennessee, Treasury Department13,463$6.22M0.03%−185−1.4%Reduced
Gotham Asset Management, LLC13,541$6.26M0.13%+6,376+89.0%Added
American International Group, Inc.13,572$6.27M0.04%+463+3.5%Added
MetLife Investment Management13,660$6.31M0.05%+328+2.5%Added
Value Aligned Research Advisors, LLC13,663$6.31M1.99%+13,663New
State of Michigan Retirement System13,670$6.32M0.04%+500+3.8%Added
Granahan Investment Management Inc13,920$6.43M0.23%+2,199+18.8%Added
ProShare Advisors LLC14,020$6.48M0.02%−488−3.4%Reduced
Geneva Capital Management LLC14,419$6.66M0.14%−2,361−14.1%Reduced
Driehaus Capital Management LLC14,665$6.78M0.09%+287+2.0%Added
US Bancorp15,004$6.93M0.01%−3,747−20.0%Reduced
Moran Wealth Management, LLC15,012$6.94M0.27%+40.0%Added
Copeland Capital Management, LLC15,286$7.06M0.15%−407−2.6%Reduced
Raymond James Financial Services Advisors, Inc.15,723$7.26M0.01%+174+1.1%Added