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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, Q4 2024

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2024. 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
864
−6 vs. Q3 2024
Shares held
46.5M
+350.5K (+0.8%) vs. Q3 2024
Total value
$27.6B
−$15.0B (−35.3%) vs. Q3 2024
New holders
153
321 more added
Sold out
159
291 more reduced

15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 864 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 heldQ4 2024: $27.6B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2024.

Institutions holding MPWR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Sanibel Captiva Trust Company, Inc.383$226.6K0.01%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.386$228.4K0.05%00.0%Unchanged
New Hampshire Trust386$228.4K0.05%−3−0.8%Reduced
Kolinsky Wealth Management, LLC387$229.0K0.14%−8−2.0%Reduced
Retireful, LLC387$229.0K0.13%+387New
Summit Creek Advisors LLC388$229.6K0.03%+388New
Bayforest Capital Ltd389$230.2K0.29%+389New
Whalen Wealth Management Inc.396$234.2K0.16%+396New
Alps Advisors Inc396$234.3K0.00%00.0%Unchanged
Gladstone Institutional Advisory LLC397$234.9K0.01%+128+47.6%Added
Sather Financial Group Inc400$236.7K0.01%−344−46.2%Reduced
Sheets Smith Wealth Management400$236.7K0.03%00.0%Unchanged
Granahan Investment Management Inc400$236.7K0.01%+42+11.7%Added
Board of the Pension Protection Fund400$236.7K0.27%+400New
Farringdon Capital, Ltd.405$239.6K0.10%+405New
B&L Asset Management LLC405$239.6K0.15%+405New
Aptus Capital Advisors, LLC405$239.8K0.00%+97+31.5%Added
Armis Advisers, LLC406$240.3K0.03%+406New
Dorsey & Whitney Trust CO LLC407$240.8K0.01%−5−1.2%Reduced
Liberty Capital Management, Inc.415$245.6K0.05%00.0%Unchanged
Verus Capital Partners, LLC420$248.5K0.02%+40+10.5%Added
Clearstead Advisors, LLC425$251.5K0.00%−8−1.8%Reduced
McHugh Group, LLC425$251.5K0.19%+425New
Equitable Holdings, Inc.427$252.7K0.00%+427New
Davenport & Co LLC428$253.2K0.00%+203+90.2%Added
American Trust431$255.0K0.02%−5−1.1%Reduced
Graypoint LLC432$255.6K0.02%+29+7.2%Added
WSFS Capital Management, LLC434$256.8K0.01%00.0%Unchanged
Guardian Capital LP443$262.1K0.01%+70+18.8%Added
Procyon Private Wealth Partners, LLC444$262.7K0.02%+124+38.8%Added
Westpac Banking Corp449$265.7K0.02%+449New
Wetherby Asset Management Inc449$265.9K0.01%−103−18.7%Reduced
BXM Wealth LLC450$266.3K0.37%+450New
Uhlmann Price Securities, LLC452$267.7K0.20%00.0%Unchanged
International Assets Investment Management, LLC453$269.1K0.02%−123,161−99.6%Reduced
Teacher Retirement System of Texas456$270.0K0.00%−2,277−83.3%Reduced
KCM Investment Advisors LLC457$270.4K0.01%00.0%Unchanged
RiverPark Advisors, LLC642$270.6K0.22%+600+1,428.6%Added
Outlook Wealth Advisors, LLC459$271.6K0.08%−40−8.0%Reduced
CAPROCK Group, Inc.458$271.6K0.01%−112−19.6%Reduced
Quadrant Capital Group LLC460$272.2K0.02%−47−9.3%Reduced
Roman Butler Fullerton & Co455$273.3K0.09%+455New
Truvestments Capital LLC462$273.5K0.07%+22+5.0%Added
Fifth Third Wealth Advisors LLC468$276.9K0.02%−38−7.5%Reduced
CoreCap Advisors, LLC469$277.4K0.01%−645−57.9%Reduced
Fielder Capital Group LLC471$278.7K0.09%00.0%Unchanged
EP Wealth Advisors, LLC474$280.4K0.00%−17−3.5%Reduced
Cigna Investments Inc484$287.0K0.05%00.0%Unchanged
Johnson Financial Group, Inc.457$291.3K0.01%+14+3.2%Added
Alliance Wealth Advisors, LLC493$291.7K0.08%−92−15.7%Reduced
Covenant Asset Management, LLC493$291.7K0.06%−249−33.6%Reduced
Perigon Wealth Management, LLC489$291.8K0.01%−1,151−70.2%Reduced
Dynamic Technology Lab Private Ltd496$293.0K0.05%+496New
Circle Wealth Management, LLC497$294.1K0.01%−949−65.6%Reduced
MGB Wealth Management, LLC500$295.9K0.09%−432−46.4%Reduced
TFB Advisors LLC500$295.9K0.08%−125−20.0%Reduced
Ameritas Investment Partners, Inc.506$299.5K0.01%−19−3.6%Reduced
New Century Financial Group, LLC485$300.6K0.13%−58−10.7%Reduced
Private Advisor Group, LLC510$302.0K0.00%−239−31.9%Reduced
Cresset Asset Management, LLC511$302.9K0.00%−3,502−87.3%Reduced
TrinityPoint Wealth, LLC513$303.4K0.04%+27+5.6%Added
Heartland Bank & Trust Co514$304.1K0.17%−13−2.5%Reduced
Trust Asset Management LLC516$305.3K0.02%00.0%Unchanged
Fiduciary Trust Co516$305.3K0.00%+516New
Pier Capital, LLC520$307.7K0.04%−554−51.6%Reduced
WP Advisors, LLC522$309.0K0.10%+16+3.2%Added
FFT Wealth Management LLC524$310.3K0.02%+246+88.5%Added
Advisory Alpha, LLC526$311.3K0.01%+81+18.2%Added
Moloney Securities Asset Management, LLC526$311.5K0.04%−799−60.3%Reduced
Vise Technologies, Inc.535$316.6K0.03%+272+103.4%Added
Concurrent Investment Advisors, LLC536$317.3K0.01%+11+2.1%Added
Valeo Financial Advisors, LLC539$318.9K0.01%−86−13.8%Reduced
Kickstand Ventures, LLC.544$322.0K0.08%+544New
Independent Advisor Alliance546$323.1K0.00%+310+131.4%Added
KPP Advisory Services LLC548$324.3K0.08%+59+12.1%Added
Burr Financial Services, LLC553$327.2K0.22%−1,855−77.0%Reduced
Navellier & Associates Inc565$334.3K0.04%00.0%Unchanged
Net Worth Advisory Group565$334.4K0.10%−4−0.7%Reduced
Signaturefd, LLC566$335.0K0.01%−152−21.2%Reduced
Virtue Capital Management, LLC576$340.8K0.07%+34+6.3%Added
Verdence Capital Advisors LLC586$346.7K0.03%+586New
Fortress Financial Solutions, LLC587$347.1K0.49%+587New
Prelude Capital Management, LLC589$348.5K0.03%+273+86.4%Added
FIL Ltd598$353.8K0.00%+277+86.3%Added
Wallace Advisory Group, LLC383$354.1K0.24%−68−15.1%Reduced
We Are One Seven, LLC609$360.3K0.01%−77−11.2%Reduced
Waldron Private Wealth LLC612$362.1K0.01%−34−5.3%Reduced
Versor Investments LP613$362.7K0.06%−83−11.9%Reduced
Beverly Hills Private Wealth, LLC618$365.8K0.07%−196−24.1%Reduced
Lifeworks Advisors, LLC625$369.6K0.07%+118+23.3%Added
Brighton Jones LLC635$375.9K0.01%+200+46.0%Added
Guerra Advisors Inc645$381.8K0.21%+645New
Yorktown Management & Research Co Inc650$384.6K0.37%00.0%Unchanged
Financial Advocates Investment Management654$386.7K0.02%+67+11.4%Added
Mutual Advisors, LLC649$387.2K0.01%−31−4.6%Reduced
Sovran Advisors, LLC658$388.1K0.06%+658New
NEOS Investment Management LLC660$390.5K0.01%−5−0.8%Reduced
Horizon Investments, LLC666$394.1K0.01%−892−57.3%Reduced
Ronald Blue Trust, Inc.667$394.4K0.01%−222−25.0%Reduced
Campbell & CO Investment Adviser LLC667$394.7K0.03%+48+7.8%Added