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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 2021

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 2021. 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
579
+51 vs. Q2 2021
Shares held
43.5M
+487.7K (+1.1%) vs. Q2 2021
Total value
$21.1B
+$5.02B (+31.3%) vs. Q2 2021
New holders
92
183 more added
Sold out
41
222 more reduced

5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 579 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 2021: $21.1B
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 2021

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2021.

Institutions holding MPWR in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Harbour Investments, Inc.145$70.0K0.00%+45+45.0%Added
Kozak & Associates, Inc.120$68.0K0.04%+120New
Archer Investment Corp134$64.9K0.02%00.0%Unchanged
Sageworth Trust Co120$58.0K0.00%00.0%Unchanged
Norway Savings Bank120$58.0K0.03%00.0%Unchanged
First Horizon Advisors, Inc.111$52.0K0.00%+95+593.8%Added
Benjamin F. Edwards & Company, Inc.98$47.0K0.00%−136−58.1%Reduced
Farmers & Merchants Investments Inc87$42.0K0.00%+3+3.6%Added
JJJ Advisors Inc.85$41.0K0.01%+8+10.4%Added
Assetmark, Inc81$39.0K0.00%+81New
West Oak Capital, LLC75$36.0K0.01%00.0%Unchanged
Heritage Wealth Management, LLC72$35.0K0.01%00.0%Unchanged
Baillie Gifford & Co70$34.0K0.00%−13−15.7%Reduced
Fieldpoint Private Securities, LLC67$32.0K0.01%+12+21.8%Added
Jackson, Grant Investment Advisers, Inc.65$32.0K0.01%00.0%Unchanged
Jacobi Capital Management LLC63$31.0K0.00%+16+34.0%Added
Geneos Wealth Management Inc.64$30.0K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC55$27.0K0.01%−1−1.8%Reduced
Achmea Investment Management B.V.56$27.0K0.00%+56New
American National Bank54$26.0K0.01%+19+54.3%Added
BerganKDV Wealth Management, LLC50$24.0K0.00%−1−2.0%Reduced
CX Institutional46$22.0K0.00%+6+15.0%Added
Roble, Belko & Company, Inc43$21.0K0.00%00.0%Unchanged
HM Payson & Co42$20.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC41$20.0K0.01%+6+17.1%Added
Patriot Financial Group Insurance Agency, LLC39$19.0K0.00%+14+56.0%Added
Counterpoint Mutual Funds LLC40$19.0K0.02%+40New
Sierra Capital LLC32$16.0K0.00%00.0%Unchanged
Front Row Advisors LLC31$15.0K0.01%00.0%Unchanged
Tarbox Family Office, Inc.31$15.0K0.00%00.0%Unchanged
Solstein Capital, LLC31$15.0K0.01%00.0%Unchanged
TCI Wealth Advisors, Inc.28$14.0K0.00%00.0%Unchanged
Allworth Financial LP27$13.0K0.00%+27New
Bell Investment Advisors, Inc26$13.0K0.00%+26New
IFP Advisors, Inc24$12.0K0.00%−29−54.7%Reduced
Gemmer Asset Management LLC25$12.0K0.00%00.0%Unchanged
Glassman Wealth Services24$12.0K0.00%+3+14.3%Added
Financial Perspectives, Inc24$11.7K0.01%00.0%Unchanged
First Financial Corp23$11.0K0.01%00.0%Unchanged
Better Money Decisions, LLC21$10.0K0.01%00.0%Unchanged
Delta Asset Management LLC20$10.0K0.00%00.0%Unchanged
Global Financial Private Client, LLC19$9.18K0.00%00.0%Unchanged
Motco19$9.00K0.00%00.0%Unchanged
Macroview Investment Management LLC18$9.00K0.01%+6+50.0%Added
Vigilant Capital Management, LLC18$9.00K0.00%+18New
GPS Wealth Strategies Group, LLC17$8.00K0.00%00.0%Unchanged
Centerpoint Advisors, LLC17$8.00K0.00%00.0%Unchanged
Jones Financial Companies LLLP14$7.00K0.00%00.0%Unchanged
MV Capital Management, Inc.14$7.00K0.00%+3+27.3%Added
Country Trust Bank12$6.00K0.00%+12New
West Paces Advisors Inc.12$5.82K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC11$5.00K0.00%−4−26.7%Reduced
Parkside Financial Bank & Trust11$5.00K0.00%+3+37.5%Added
Benjamin Edwards Inc10$5.00K0.00%+10New
BBVA USA8$4.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB9$4.00K0.00%00.0%Unchanged
Logan Capital Management Inc9$4.00K0.00%00.0%Unchanged
Zions Bancorporation, N.A.8$4.00K0.00%+4+100.0%Added
Eagle Bay Advisors LLC10$4.00K0.00%+10New
Concord Wealth Partners6$3.00K0.00%−75−92.6%Reduced
Davidson Capital Management Inc.7$3.00K0.00%00.0%Unchanged
Crewe Advisors LLC6$3.00K0.00%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP5$2.00K0.00%00.0%Unchanged
Bartlett & Co. LLC4$2.00K0.00%+1+33.3%Added
Lee Financial Co5$2.00K0.00%+5New
Psagot Investment House Ltd.4$2.00K0.00%+4New
Guidance Point Advisors, LLC5$2.00K0.00%+5New
Psagot Value Holdings Ltd. / (Israel)4$2.00K0.00%+4New
Bartlett & Co. Wealth Management LLC4$1.94K0.00%+1+33.3%Added
Longfellow Investment Management Co LLC1$1.00K0.00%00.0%Unchanged
Sound Income Strategies, LLC2$1.00K0.00%−2−50.0%Reduced
Versant Capital Management, Inc2$1.00K0.00%−1−33.3%Reduced
PEAK6 Investments LLC2$1.00K0.00%−1−33.3%Reduced
Ten Capital Wealth Advisors, LLC3$1.00K0.00%00.0%Unchanged
Meridian Wealth Partners, LLC2$1.00K0.00%+2New
Raffa Wealth Management, LLC2$9690.00%00.0%Unchanged
Prestige Wealth Management Group LLC1$00.00%00.0%Unchanged
Carroll Financial Associates, Inc.1$00.00%+1New
Evoke Wealth, LLC1$00.00%+1New
Artemis Investment Management LLP0$00.00%−52,306−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−51,385−100.0%Sold out
Woodline Partners LP0$00.00%−36,855−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−33,149−100.0%Sold out
Verition Fund Management LLC0$00.00%−25,758−100.0%Sold out
Albar Capital Ltd0$00.00%−25,489−100.0%Sold out
Capital Fund Management S.A.0$00.00%−21,882−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−17,000−100.0%Sold out
Quadrature Capital Ltd0$00.00%−15,280−100.0%Sold out
Twinbeech Capital LP0$00.00%−8,910−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−8,264−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−8,064−100.0%Sold out
Bridgewater Associates, LP0$00.00%−5,648−100.0%Sold out
Legato Capital Management LLC0$00.00%−3,848−100.0%Sold out
GWM Advisors LLC0$00.00%−2,453−100.0%Sold out
Sciencast Management LP0$00.00%−2,367−100.0%Sold out
E. Ohman J:or Asset Management AB0$00.00%−1,700−100.0%Sold out
Northwest & Ethical Investments L.P.0$00.00%−1,635−100.0%Sold out
Paloma Partners Management Co0$00.00%−1,562−100.0%Sold out
NN Investment Partners Holdings N.V.0$00.00%−1,464−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−1,400−100.0%Sold out