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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
Riverview Trust Co181$83.6K0.07%−6−3.2%Reduced
Migdal Insurance & Financial Holdings Ltd.185$84.0K0.00%+1+0.5%Added
Alta Advisers Ltd200$92.4K0.05%00.0%Unchanged
TD Waterhouse Canada Inc.214$98.3K0.00%−7−3.2%Reduced
Desjardins Global Asset Management Inc.231$106.7K0.01%−69−23.0%Reduced
Parallel Advisors, LLC237$109.5K0.00%+3+1.3%Added
Tobam245$113.0K0.01%−58−19.1%Reduced
Hills Bank & Trust Co245$113.2K0.01%+245New
Federated Hermes, Inc.264$122.0K0.00%+215+438.8%Added
Sentry Investment Management LLC277$128.0K0.06%−15−5.1%Reduced
Essex Investment Management Co LLC300$138.6K0.02%−1,295−81.2%Reduced
Ostrum Asset Management306$141.4K0.01%−2−0.6%Reduced
Capital Analysts, LLC312$144.0K0.01%00.0%Unchanged
Zions Bancorporation, N.A.313$144.6K0.01%−5−1.6%Reduced
Umb Bank N A334$154.3K0.00%+12+3.7%Added
Seaport Global Advisors, LLC358$165.4K0.50%−43−10.7%Reduced
Covestor Ltd362$168.0K0.13%−22−5.7%Reduced
Global Retirement Partners, LLC369$168.7K0.01%−78−17.4%Reduced
Ci Investments Inc.369$170.0K0.00%+13+3.7%Added
Robeco Institutional Asset Management B.V.368$170.0K0.00%−209−36.2%Reduced
Natixis387$178.8K0.00%−6,708−94.5%Reduced
WSFS Capital Management, LLC434$200.5K0.01%+5+1.2%Added
Integrated Advisors Network LLC434$200.5K0.01%+8+1.9%Added
E Fund Management Co., Ltd.435$201.0K0.02%−8−1.8%Reduced
Cornerstone Wealth Management, LLC436$201.4K0.02%+436New
Vantage Consulting Group Inc437$201.9K0.14%+2+0.5%Added
Syntax Advisors, LLC437$201.9K0.18%+2+0.5%Added
DFPG Investments, LLC419$202.2K0.02%−14−3.2%Reduced
Bridgefront Capital, LLC439$202.8K0.14%+439New
Hutchens & Kramer Investment Management Group, LLC444$203.9K0.16%+3+0.7%Added
Quadrant Capital Group LLC444$205.1K0.02%−7−1.6%Reduced
Credit Agricole S A448$207.0K0.01%+448New
Moody National Bank Trust Division453$209.3K0.01%+49+12.1%Added
InterOcean Capital Group, LLC454$209.7K0.01%−399−46.8%Reduced
Marshall Financial Group LLC455$210.2K0.08%−23−4.8%Reduced
Perigon Wealth Management, LLC460$212.5K0.01%+59+14.7%Added
Kolinsky Wealth Management, LLC465$214.8K0.21%+12+2.6%Added
Morningstar Investment Services LLC477$216.0K0.00%+3+0.6%Added
Kapitalo Investimentos Ltda477$220.4K0.03%+477New
Peak Financial Advisors LLC478$220.8K0.24%+478New
Cigna Investments Inc484$224.0K0.05%−79−14.0%Reduced
Clearstead Advisors, LLC485$224.1K0.01%+8+1.7%Added
Verus Capital Partners, LLC490$226.4K0.03%−50−9.3%Reduced
Johnson Financial Group, Inc.494$228.7K0.02%+214+76.4%Added
Wetherby Asset Management Inc497$229.6K0.01%+6+1.2%Added
V-Square Quantitative Management LLC499$230.5K0.10%+378+312.4%Added
Penserra Capital Management LLC502$231.0K0.00%−982−66.2%Reduced
Park Place Capital Corp515$237.9K0.07%−16−3.0%Reduced
Trust Asset Management LLC516$238.4K0.03%00.0%Unchanged
Foundry Partners, LLC522$241.2K0.02%−761−59.3%Reduced
Federation des caisses Desjardins du Quebec525$242.6K0.00%−242−31.6%Reduced
Proequities, Inc.533$246.8K0.02%−12−2.2%Reduced
Eudaimonia Advisors LLC536$247.6K0.17%00.0%Unchanged
Ronald Blue Trust, Inc.460$248.0K0.00%+335+268.0%Added
Ameritas Investment Partners, Inc.538$248.6K0.01%00.0%Unchanged
Independent Financial Group, LLC540$249.5K0.02%−69−11.3%Reduced
Signaturefd, LLC540$249.5K0.01%+82+17.9%Added
Wedmont Private Capital539$256.6K0.03%+11+2.1%Added
Legacy Wealth Asset Management, LLC561$259.2K0.10%−34−5.7%Reduced
Navellier & Associates Inc565$261.0K0.04%00.0%Unchanged
TrinityPoint Wealth, LLC567$262.1K0.05%00.0%Unchanged
Exchange Traded Concepts, LLC578$267.0K0.01%−55−8.7%Reduced
Valeo Financial Advisors, LLC587$271.2K0.01%+42+7.7%Added
Braun-Bostich & Associates Inc.591$273.0K0.51%+591New
Vestmark Advisory Solutions, Inc.591$273.1K0.02%−543−47.9%Reduced
Waldron Private Wealth LLC591$273.6K0.01%+3+0.5%Added
Canandaigua National Bank & Trust Co600$277.2K0.04%−7−1.2%Reduced
Boothbay Fund Management, LLC600$277.2K0.01%+600New
WP Advisors, LLC602$278.3K0.12%+1+0.2%Added
Evergreen Capital Management LLC610$282.4K0.01%−38−5.9%Reduced
Lincoln National Corp613$283.1K0.01%−9−1.4%Reduced
Jump Financial, LLC613$283.2K0.01%+613New
NewEdge Wealth, LLC615$284.1K0.01%+112+22.3%Added
Inceptionr LLC617$285.1K0.16%+617New
MJP Associates Inc621$286.8K0.08%+118+23.5%Added
WR Wealth Planners, LLC621$286.9K0.11%+61+10.9%Added
Shell Asset Management Co622$287.0K0.01%−10−1.6%Reduced
O'Shaughnessy Asset Management, LLC633$292.4K0.00%+117+22.7%Added
Wallace Advisory Group, LLC545$294.4K0.21%+11+2.1%Added
Yorktown Management & Research Co Inc650$300.3K0.34%−650−50.0%Reduced
Spire Wealth Management654$302.1K0.01%+5+0.8%Added
Huntington National Bank657$303.5K0.00%+35+5.6%Added
Insigneo Advisory Services, LLC658$304.7K0.06%+166+33.7%Added
Pier Capital, LLC670$309.5K0.05%+77+13.0%Added
Cerity Partners LLC671$310.0K0.00%−170−20.2%Reduced
CWM, LLC676$312.0K0.00%+92+15.8%Added
Horizon Investments, LLC676$312.3K0.01%+46+7.3%Added
HB Wealth Management, LLC678$313.2K0.01%+120+21.5%Added
American Trust679$313.7K0.02%−162−19.3%Reduced
Buckingham Strategic Wealth, LLC683$315.4K0.00%−25−3.5%Reduced
Fund Management at Engine No. 1 LLC683$315.5K0.05%+96+16.4%Added
Prime Capital Investment Advisors, LLC692$319.7K0.01%−42−5.7%Reduced
Moneta Group Investment Advisors LLC696$321.6K0.01%−8−1.1%Reduced
Alps Advisors Inc696$321.6K0.00%+33+5.0%Added
Pathway Financial Advisors LLC702$324.3K0.11%00.0%Unchanged
Northwestern Mutual Wealth Management Co711$328.0K0.00%−15−2.1%Reduced
Covenant Partners, LLC710$328.0K0.12%00.0%Unchanged
Equitable Trust Co717$331.3K0.03%00.0%Unchanged
Emerald Advisers, LLC720$332.6K0.02%−12−1.6%Reduced
Cullen/Frost Bankers, Inc.722$333.6K0.01%00.0%Unchanged