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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 9 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
CX Institutional262$152.0K0.01%+262New
Covestor Ltd245$143.0K0.10%+97+65.5%Added
First Horizon Advisors, Inc.218$126.4K0.00%−33−13.1%Reduced
Allworth Financial LP189$109.8K0.00%+34+21.9%Added
CVA Family Office, LLC189$109.6K0.02%+11+6.2%Added
LRI Investments, LLC188$109.0K0.01%00.0%Unchanged
Truvestments Capital LLC183$106.1K0.02%−279−60.4%Reduced
Kestra Investment Management, LLC177$102.7K0.00%+177New
Rothschild Investment LLC173$100.3K0.01%+15+9.5%Added
Private Trust Co NA167$96.9K0.01%−16−8.7%Reduced
YANKCOM Partnership165$95.7K0.05%+10+6.5%Added
Sterling Capital Management LLC163$94.5K0.00%−601−78.7%Reduced
Park Place Capital Corp163$94.5K0.03%00.0%Unchanged
MAI Capital Management158$91.6K0.00%−69−30.4%Reduced
Manchester Capital Management LLC147$85.3K0.01%+27+22.5%Added
Capital Analysts, LLC145$84.0K0.00%−170−54.0%Reduced
Aventura Private Wealth, LLC139$80.6K0.04%00.0%Unchanged
Promus Capital, LLC136$78.9K0.06%00.0%Unchanged
TD Waterhouse Canada Inc.135$78.5K0.00%−9−6.3%Reduced
Riverview Trust Co131$76.0K0.07%−2−1.5%Reduced
Quest Partners LLC131$76.0K0.01%+61+87.1%Added
Trust Co of Vermont130$75.4K0.00%00.0%Unchanged
Cromwell Holdings LLC127$73.9K0.05%+20+18.7%Added
Sentry Investment Management LLC137$67.0K0.05%−41−23.0%Reduced
Geneos Wealth Management Inc.108$62.6K0.00%+7+6.9%Added
Quent Capital, LLC101$58.7K0.01%+12+13.5%Added
Opal Wealth Advisors, LLC93$53.9K0.02%+93New
Towarzystwo Funduszy Inwestycyjnych Pzu SA87$50.5K0.02%00.0%Unchanged
Evelyn Partners Asset Management Ltd84$48.7K0.01%00.0%Unchanged
Pilgrim Partners Asia Pte Ltd80$46.4K0.04%00.0%Unchanged
Global Financial Private Client, LLC73$42.3K0.02%+53+265.0%Added
Meeder Asset Management Inc69$40.0K0.00%+41+146.4%Added
Golden State Wealth Management, LLC66$38.3K0.01%00.0%Unchanged
Delta Asset Management LLC65$37.7K0.00%00.0%Unchanged
Walleye Capital LLC58$33.6K0.00%−16,317−99.6%Reduced
South State Corp.57$33.1K0.00%+57New
West Oak Capital, LLC55$31.9K0.01%00.0%Unchanged
Itau Unibanco Holding S.A.53$31.0K0.00%−6−10.2%Reduced
Arlington Trust Co LLC53$30.7K0.01%00.0%Unchanged
Marshall & Sterling Wealth Advisors Inc.52$30.2K0.02%+52New
Sierra Ocean, LLC51$29.6K0.02%+12+30.8%Added
Fourth Dimension Wealth, LLC49$28.4K0.01%00.0%Unchanged
WPG Advisers, LLC46$26.7K0.02%−3−6.1%Reduced
Tradewinds Capital Management, LLC45$26.1K0.01%+1+2.3%Added
Zions Bancorporation, National Association42$24.4K0.00%+42New
Headlands Technologies LLC38$22.0K0.00%−772−95.3%Reduced
TCTC Holdings, LLC38$22.0K0.00%+20+111.1%Added
MV Capital Management, Inc.37$21.5K0.00%+3+8.8%Added
True Wealth Design, LLC35$20.2K0.01%+34+3,400.0%Added
GW&K Investment Management, LLC33$19.0K0.00%+17+106.3%Added
Bell Investment Advisors, Inc32$18.6K0.00%+1+3.2%Added
Rise Advisors, LLC31$18.1K0.01%−1−3.1%Reduced
IFP Advisors, Inc31$18.0K0.00%−1,456−97.9%Reduced
Solstein Capital, LLC31$18.0K0.01%00.0%Unchanged
Wolff Wiese Magana LLC30$17.4K0.01%−5−14.3%Reduced
Farmers & Merchants Investments Inc28$16.2K0.00%00.0%Unchanged
Brown Brothers Harriman & Co27$15.7K0.00%+2+8.0%Added
Bank Julius Baer & Co. Ltd, Zurich27$15.7K0.00%−131−82.9%Reduced
Centricity Wealth Management, LLC26$15.1K0.01%00.0%Unchanged
Anchor Investment Management, LLC25$14.5K0.00%00.0%Unchanged
NewSquare Capital LLC25$14.5K0.00%+21+525.0%Added
Financial Perspectives, Inc24$14.0K0.00%00.0%Unchanged
Ulland Investment Advisors, LLC25$14.0K0.01%00.0%Unchanged
Country Trust Bank24$13.9K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC21$12.2K0.00%00.0%Unchanged
Harbour Investments, Inc.21$12.2K0.00%+9+75.0%Added
Berbice Capital Management LLC20$11.6K0.01%+20New
Morgan Dempsey Capital Management LLC19$11.0K0.00%00.0%Unchanged
Saudi Central Bank19$11.0K0.06%+19New
Cullen/Frost Bankers, Inc.17$9.87K0.00%−718−97.7%Reduced
Sandy Spring Bank17$9.86K0.00%00.0%Unchanged
Flaharty Asset Management, LLC17$9.86K0.00%+17New
AdvisorNet Financial, Inc16$9.28K0.00%+6+60.0%Added
Sachetta, LLC15$8.71K0.00%00.0%Unchanged
Bogart Wealth, LLC15$8.70K0.00%−1−6.3%Reduced
Pacific Center for Financial Services14$8.12K0.00%00.0%Unchanged
Eastern Bank13$7.54K0.00%+2+18.2%Added
Hemington Wealth Management13$7.00K0.00%+4+44.4%Added
Sunbelt Securities, Inc.12$6.96K0.00%−4−25.0%Reduced
Atwood & Palmer Inc12$6.96K0.00%00.0%Unchanged
Webster Bank, N. A.12$6.96K0.00%00.0%Unchanged
Cary Street Partners Financial LLC12$6.96K0.00%+4+50.0%Added
Highline Wealth Partners LLC12$6.96K0.00%+10+500.0%Added
North Capital, Inc.12$6.96K0.01%+12New
Clark Wealth Partners12$6.96K0.01%+12New
City Holding Co12$6.96K0.00%+12New
Cetera Trust Company, N.A11$6.38K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC11$6.38K0.00%+1+10.0%Added
Armstrong Advisory Group, Inc10$5.95K0.00%00.0%Unchanged
HM Payson & Co10$5.80K0.00%00.0%Unchanged
Berkshire Capital Holdings Inc10$5.80K0.00%00.0%Unchanged
United Community Bank10$5.80K0.00%+10New
Sound Income Strategies, LLC9$5.25K0.00%−297−97.1%Reduced
Logan Capital Management Inc9$5.22K0.00%00.0%Unchanged
Financial Management Professionals, Inc.9$5.22K0.00%00.0%Unchanged
Fortitude Family Office, LLC9$5.22K0.00%00.0%Unchanged
Atlantic Trust, LLC9$5.22K0.00%+9New
Tidemark, LLC9$5.22K0.00%+9New
Cheviot Value Management, LLC8$5.02K0.00%+8New
Washington Trust Co8$4.69K0.00%−9−52.9%Reduced