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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
Milestone Asset Management, LLC681$395.0K0.08%−6,635−90.7%Reduced
Financial Advocates Investment Management683$396.2K0.03%+29+4.4%Added
Citizens Financial Group Inc681$396.2K0.01%+307+82.1%Added
Bessemer Group Inc685$397.0K0.00%−3,446−83.4%Reduced
Moneta Group Investment Advisors LLC688$399.0K0.01%−18−2.5%Reduced
Horizon Investments, LLC688$399.0K0.01%+22+3.3%Added
Fortress Financial Solutions, LLC697$404.2K0.58%+110+18.7%Added
Clear Creek Financial Management, LLC698$404.8K0.04%+698New
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund700$406.0K0.02%−100−12.5%Reduced
Pathway Financial Advisors LLC702$407.1K0.07%00.0%Unchanged
Huntington National Bank708$410.6K0.00%−2−0.3%Reduced
NorthRock Partners, LLC714$415.2K0.01%+13+1.9%Added
Diversified Trust Co726$421.1K0.01%+31+4.5%Added
Dynamic Technology Lab Private Ltd730$423.0K0.06%+234+47.2%Added
Verdence Capital Advisors LLC736$426.9K0.03%+150+25.6%Added
Guinness Asset Management LTD761$441.3K0.01%−129−14.5%Reduced
Cannon Advisors, Inc.764$443.1K0.41%−20−2.6%Reduced
Redwood Investments, LLC773$448.3K0.17%−5−0.6%Reduced
Citadel Advisors LLC775$449.5K0.00%−130,335−99.4%Reduced
V-Square Quantitative Management LLC778$451.2K0.07%+1+0.1%Added
Arrowpoint Investment Partners (Singapore) Pte. Ltd.780$452.4K0.21%+780New
Advisory Services Network, LLC781$453.1K0.01%−1,129−59.1%Reduced
Whalen Wealth Management Inc.787$456.6K0.30%+391+98.7%Added
Valeo Financial Advisors, LLC793$459.9K0.01%+254+47.1%Added
Insigneo Advisory Services, LLC796$461.7K0.05%−91−10.3%Reduced
Principal Securities, Inc.782$462.8K0.01%00.0%Unchanged
Guerra Advisors Inc804$466.5K0.26%+159+24.7%Added
Apollon Wealth Management, LLC809$469.3K0.01%+62+8.3%Added
David Loasby992$480.9K0.05%−48−4.6%Reduced
Ronald Blue Trust, Inc.833$482.8K0.01%+166+24.9%Added
Green Alpha Advisors, LLC841$487.8K0.52%−1−0.1%Reduced
MUFG Securities Americas Inc.847$491.2K0.06%+127+17.6%Added
Merit Financial Group, LLC849$492.5K0.01%+849New
Prosperity Financial Group, Inc.851$493.6K0.25%−23−2.6%Reduced
HMS Capital Management, LLC1,018$497.3K0.28%−1,936−65.5%Reduced
Shaker Investments LLC861$499.4K0.24%−4,025−82.4%Reduced
MJP Associates Inc867$502.6K0.09%−61−6.6%Reduced
Graham Capital Management, L.P.873$506.3K0.02%+873New
CNB Bank878$509.2K0.26%−61−6.5%Reduced
Sovran Advisors, LLC979$512.6K0.07%+321+48.8%Added
Kestra Private Wealth Services, LLC897$520.2K0.01%+25+2.9%Added
Ci Investments Inc.901$523.0K0.00%+65+7.8%Added
Belpointe Asset Management LLC909$527.2K0.03%+142+18.5%Added
Fortis Capital Advisors, LLC909$527.2K0.11%+142+18.5%Added
NewEdge Wealth, LLC919$533.0K0.01%−204−18.2%Reduced
Prime Capital Investment Advisors, LLC919$533.2K0.01%+175+23.5%Added
GraniteShares Advisors LLC921$534.2K0.34%−96−9.4%Reduced
Group One Trading, L.P.924$535.9K0.02%+924New
Morey & Quinn Wealth Partners, LLC930$539.4K0.45%+3+0.3%Added
Meeder Advisory Services, Inc.934$541.9K0.03%+249+36.4%Added
Portside Wealth Group, LLC937$543.4K0.09%+78+9.1%Added
Vestcor Inc939$545.0K0.02%+2+0.2%Added
Burney Co946$548.7K0.02%+20+2.2%Added
Moors & Cabot, Inc.952$552.1K0.03%−163−14.6%Reduced
Assenagon Asset Management S.A.964$559.1K0.00%+93+10.7%Added
Thrive Capital Management, LLC967$560.6K0.33%+967New
Wedmont Private Capital1,054$561.9K0.03%+383+57.1%Added
E Fund Management Co., Ltd.981$569.0K0.03%00.0%Unchanged
Dakota Wealth Management983$570.1K0.01%−34−3.3%Reduced
XML Financial, LLC991$574.8K0.05%00.0%Unchanged
Alberta Investment Management Corp997$578.2K0.00%00.0%Unchanged
Versor Investments LP998$578.8K0.09%+385+62.8%Added
WT Asset Management Ltd1,000$580.0K0.07%+1,000New
Bridgefront Capital, LLC1,014$588.1K0.17%+1,014New
Two Sigma Securities, LLC1,018$590.4K0.09%−1,357−57.1%Reduced
Jane Street Group, LLC1,022$592.7K0.00%−15,078−93.7%Reduced
Greenleaf Trust1,023$593.3K0.01%+59+6.1%Added
Quadrant Capital Group LLC1,051$609.6K0.02%+591+128.5%Added
CAPROCK Group, Inc.1,048$610.4K0.02%+590+128.8%Added
Northwestern Mutual Wealth Management Co1,076$624.0K0.00%−27−2.4%Reduced
Gibbs Wealth Management1,082$627.5K0.15%+250+30.0%Added
Evergreen Capital Management LLC1,089$633.3K0.02%+188+20.9%Added
United Services Automobile Association1,101$638.5K0.02%+1,101New
Montag A & Associates Inc1,101$640.3K0.03%−245−18.2%Reduced
Central Pacific Bank - Trust Division1,108$642.6K0.09%+6+0.5%Added
Exchange Traded Concepts, LLC1,122$650.7K0.01%−387−25.6%Reduced
Penserra Capital Management LLC1,139$658.0K0.01%+230+25.3%Added
Wolverine Trading, LLC1,140$661.1K0.02%−2,871−71.6%Reduced
Ossiam1,141$661.8K0.01%−23−2.0%Reduced
Parkside Financial Bank & Trust1,142$662.3K0.08%+45+4.1%Added
Warren Averett Asset Management, LLC1,144$663.3K0.01%+23+2.1%Added
Simplex Trading, LLC1,151$667.0K0.02%+1,151New
Banco Bilbao Vizcaya Argentaria, S.A.1,147$667.7K0.01%−12,316−91.5%Reduced
Kingsview Wealth Management, LLC1,155$669.9K0.01%−180−13.5%Reduced
Captrust Financial Advisors1,169$677.9K0.00%−497−29.8%Reduced
U.S. Capital Wealth Advisors, LLC1,172$680.0K0.02%+1,172New
United Capital Financial Advisers, LLC1,173$680.3K0.01%+92+8.5%Added
RMR Wealth Builders1,183$686.1K0.07%+16+1.4%Added
Lighthouse Investment Partners, LLC1,200$696.0K0.03%+1,200New
BankPlus Trust Department1,201$696.6K0.23%+6+0.5%Added
J. Safra Sarasin Holding AG1,212$702.9K0.01%−21−1.7%Reduced
Motley Fool Asset Management LLC1,214$704.1K0.04%+130+12.0%Added
Peterson Wealth Services1,238$718.0K0.22%−82−6.2%Reduced
Advisor OS, LLC1,240$719.0K0.08%−86−6.5%Reduced
Frank, Rimerman Advisors LLC1,263$732.5K0.06%+1,263New
Empirical Finance, LLC1,279$741.8K0.04%+49+4.0%Added
Vestmark Advisory Solutions, Inc.1,300$754.0K0.02%+436+50.5%Added
Colony Group, LLC1,301$754.4K0.00%−122−8.6%Reduced
NVWM, LLC1,303$755.7K0.20%+102+8.5%Added
Hudson Bay Capital Management LP1,321$766.2K0.00%+1,321New