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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, 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
Anchor Investment Management, LLC25$14.5K0.00%00.0%Unchanged
NewSquare Capital LLC25$14.5K0.00%+21+525.0%Added
Centricity Wealth Management, LLC26$15.1K0.01%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich27$15.7K0.00%−131−82.9%Reduced
Brown Brothers Harriman & Co27$15.7K0.00%+2+8.0%Added
Farmers & Merchants Investments Inc28$16.2K0.00%00.0%Unchanged
Wolff Wiese Magana LLC30$17.4K0.01%−5−14.3%Reduced
Solstein Capital, LLC31$18.0K0.01%00.0%Unchanged
IFP Advisors, Inc31$18.0K0.00%−1,456−97.9%Reduced
Rise Advisors, LLC31$18.1K0.01%−1−3.1%Reduced
Bell Investment Advisors, Inc32$18.6K0.00%+1+3.2%Added
GW&K Investment Management, LLC33$19.0K0.00%+17+106.3%Added
True Wealth Design, LLC35$20.2K0.01%+34+3,400.0%Added
MV Capital Management, Inc.37$21.5K0.00%+3+8.8%Added
Headlands Technologies LLC38$22.0K0.00%−772−95.3%Reduced
TCTC Holdings, LLC38$22.0K0.00%+20+111.1%Added
Zions Bancorporation, National Association42$24.4K0.00%+42New
Tradewinds Capital Management, LLC45$26.1K0.01%+1+2.3%Added
WPG Advisers, LLC46$26.7K0.02%−3−6.1%Reduced
Fourth Dimension Wealth, LLC49$28.4K0.01%00.0%Unchanged
Sierra Ocean, LLC51$29.6K0.02%+12+30.8%Added
Marshall & Sterling Wealth Advisors Inc.52$30.2K0.02%+52New
Arlington Trust Co LLC53$30.7K0.01%00.0%Unchanged
Itau Unibanco Holding S.A.53$31.0K0.00%−6−10.2%Reduced
West Oak Capital, LLC55$31.9K0.01%00.0%Unchanged
South State Corp.57$33.1K0.00%+57New
Walleye Capital LLC58$33.6K0.00%−16,317−99.6%Reduced
Delta Asset Management LLC65$37.7K0.00%00.0%Unchanged
Golden State Wealth Management, LLC66$38.3K0.01%00.0%Unchanged
Meeder Asset Management Inc69$40.0K0.00%+41+146.4%Added
Global Financial Private Client, LLC73$42.3K0.02%+53+265.0%Added
Pilgrim Partners Asia Pte Ltd80$46.4K0.04%00.0%Unchanged
Evelyn Partners Asset Management Ltd84$48.7K0.01%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA87$50.5K0.02%00.0%Unchanged
Opal Wealth Advisors, LLC93$53.9K0.02%+93New
Quent Capital, LLC101$58.7K0.01%+12+13.5%Added
Geneos Wealth Management Inc.108$62.6K0.00%+7+6.9%Added
Sentry Investment Management LLC137$67.0K0.05%−41−23.0%Reduced
Cromwell Holdings LLC127$73.9K0.05%+20+18.7%Added
Trust Co of Vermont130$75.4K0.00%00.0%Unchanged
Riverview Trust Co131$76.0K0.07%−2−1.5%Reduced
Quest Partners LLC131$76.0K0.01%+61+87.1%Added
TD Waterhouse Canada Inc.135$78.5K0.00%−9−6.3%Reduced
Promus Capital, LLC136$78.9K0.06%00.0%Unchanged
Aventura Private Wealth, LLC139$80.6K0.04%00.0%Unchanged
Capital Analysts, LLC145$84.0K0.00%−170−54.0%Reduced
Manchester Capital Management LLC147$85.3K0.01%+27+22.5%Added
MAI Capital Management158$91.6K0.00%−69−30.4%Reduced
Sterling Capital Management LLC163$94.5K0.00%−601−78.7%Reduced
Park Place Capital Corp163$94.5K0.03%00.0%Unchanged
YANKCOM Partnership165$95.7K0.05%+10+6.5%Added
Private Trust Co NA167$96.9K0.01%−16−8.7%Reduced
Rothschild Investment LLC173$100.3K0.01%+15+9.5%Added
Kestra Investment Management, LLC177$102.7K0.00%+177New
Truvestments Capital LLC183$106.1K0.02%−279−60.4%Reduced
LRI Investments, LLC188$109.0K0.01%00.0%Unchanged
CVA Family Office, LLC189$109.6K0.02%+11+6.2%Added
Allworth Financial LP189$109.8K0.00%+34+21.9%Added
First Horizon Advisors, Inc.218$126.4K0.00%−33−13.1%Reduced
Covestor Ltd245$143.0K0.10%+97+65.5%Added
CX Institutional262$152.0K0.01%+262New
Rakuten Securities, Inc.269$156.0K0.08%+111+70.3%Added
Massmutual Trust Co FSB270$156.6K0.00%+147+119.5%Added
Essex Investment Management Co LLC300$174.0K0.04%00.0%Unchanged
Lindbrook Capital, LLC306$177.5K0.02%+179+140.9%Added
GPS Wealth Strategies Group, LLC309$179.4K0.02%−736−70.4%Reduced
Smartleaf Asset Management LLC312$180.9K0.02%+40+14.7%Added
GeoWealth Management, LLC325$188.5K0.01%+38+13.2%Added
SBI Securities Co., Ltd.335$194.3K0.01%−26−7.2%Reduced
Migdal Insurance & Financial Holdings Ltd.344$200.0K0.00%+344New
Dorsey & Whitney Trust CO LLC346$200.7K0.01%−61−15.0%Reduced
Bridges Investment Management Inc347$201.3K0.00%+347New
Sowell Financial Services LLC347$201.3K0.01%+347New
Ewa, LLC349$202.3K0.08%+5+1.5%Added
Resources Investment Advisors, LLC.351$203.7K0.00%+351New
Buckingham Strategic Partners357$207.1K0.00%+357New
Aptus Capital Advisors, LLC357$207.1K0.00%−48−11.9%Reduced
Journey Strategic Wealth LLC358$207.6K0.01%+358New
Cary Street Partner Investment Advisory LLC365$211.5K0.12%−11−2.9%Reduced
NorthStar Asset Management LLC365$211.7K0.13%+365New
Livforsakringsbolaget Skandia, Omsesidigt365$212.1K0.01%00.0%Unchanged
Pension & Wealth Management Advisors, Inc.367$213.3K0.08%00.0%Unchanged
Mainstay Capital Management LLC372$215.8K0.03%+10+2.8%Added
Clearstead Advisors, LLC373$216.3K0.00%−52−12.2%Reduced
Sagespring Wealth Partners, LLC374$216.7K0.01%+374New
New Hampshire Trust379$219.8K0.05%−7−1.8%Reduced
Ballentine Partners, LLC381$221.0K0.00%+381New
Sanibel Captiva Trust Company, Inc.383$222.1K0.01%00.0%Unchanged
Riverstone Advisors, LLC383$222.1K0.13%+383New
Procyon Private Wealth Partners, LLC384$222.8K0.01%−60−13.5%Reduced
Crestwood Advisors Group LLC387$224.5K0.00%+387New
CoreCap Advisors, LLC388$225.1K0.01%−81−17.3%Reduced
Summit Creek Advisors LLC390$226.2K0.03%+2+0.5%Added
Versant Capital Management, Inc395$229.1K0.04%+286+262.4%Added
Sheets Smith Wealth Management400$232.0K0.03%00.0%Unchanged
Sather Financial Group Inc400$232.0K0.02%00.0%Unchanged
Wallace Advisory Group, LLC393$232.5K0.16%+10+2.6%Added
Prescott Group Capital Management, L.L.C.401$232.6K0.03%+401New
George Kaiser Family Foundation401$232.6K0.03%+401New
B&L Asset Management LLC408$236.6K0.16%+3+0.7%Added