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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 2023

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 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
737
+90 vs. Q3 2023
Shares held
45.4M
−552.0K (−1.2%) vs. Q3 2023
Total value
$28.6B
+$7.40B (+34.9%) vs. Q3 2023
New holders
137
276 more added
Sold out
47
243 more reduced

8 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 737 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 2023: $28.6B
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 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2023.

Institutions holding MPWR in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Man Group plc2,619$1.65M0.00%––
Westover Capital Advisors, LLC2,634$1.66M0.54%−71−2.6%Reduced
Intech Investment Management LLC2,660$1.68M0.02%+480+22.0%Added
Meeder Asset Management Inc2,664$1.68M0.13%+2,664New
TD Private Client Wealth LLC2,735$1.73M0.06%−149−5.2%Reduced
Commerce Bank2,774$1.75M0.01%+34+1.2%Added
Walleye Trading LLC2,781$1.75M0.03%+2,781New
Bank Julius Baer & Co. Ltd, Zurich2,822$1.78M0.01%+2,822New
Kingswood Wealth Advisors, LLC2,888$1.82M0.21%−494−14.6%Reduced
Atria Investments LLC2,890$1.82M0.03%−282−8.9%Reduced
Ardsley Advisory Partners LP2,900$1.83M0.39%−750−20.5%Reduced
Louisiana State Employees Retirement System2,900$1.83M0.04%−100−3.3%Reduced
China Universal Asset Management Co., Ltd.2,900$1.83M0.36%+2,900New
Nordea Investment Management AB2,988$1.86M0.00%+123+4.3%Added
Legato Capital Management LLC2,995$1.89M0.25%00.0%Unchanged
Weiss Asset Management LP3,010$1.90M0.14%+3,010New
RPg Family Wealth Advisory, LLC3,014$1.90M0.70%+404+15.5%Added
HMS Capital Management, LLC3,026$1.91M1.17%−49−1.6%Reduced
Cresset Asset Management, LLC3,024$1.91M0.01%+350+13.1%Added
Securian Asset Management, Inc3,108$1.96M0.06%−311−9.1%Reduced
Commonwealth Equity Services, LLC3,179$2.01M0.00%+328+11.5%Added
Millennium Management LLC3,210$2.02M0.00%+938+41.3%Added
Profund Advisors LLC3,226$2.03M0.09%+294+10.0%Added
Hartford Investment Management Co3,227$2.04M0.08%−241−6.9%Reduced
La Financiere de L'Echiquier3,242$2.04M0.09%−5,891−64.5%Reduced
Natixis3,290$2.08M0.02%+2,903+750.1%Added
Quest Investment Management LLC3,315$2.09M0.26%+3,315New
Next Century Growth Investors LLC3,330$2.10M0.20%+246+8.0%Added
Torray LLC3,378$2.13M0.34%+66+2.0%Added
Bessemer Group Inc3,392$2.14M0.00%−271−7.4%Reduced
Crossmark Global Holdings, Inc.3,410$2.15M0.04%−390−10.3%Reduced
Mercer Global Advisors Inc3,415$2.15M0.01%+2,240+190.6%Added
Brinker Capital Investments, LLC3,744$2.21M0.03%−277−6.9%Reduced
Orion Portfolio Solutions, LLC3,744$2.21M0.03%−277−6.9%Reduced
Lecap Asset Management Ltd3,521$2.22M0.81%+3,521New
Maryland State Retirement & Pension System3,575$2.26M0.05%+111+3.2%Added
Park Avenue Securities LLC3,593$2.27M0.03%+182+5.3%Added
Mackenzie Financial Corp3,643$2.30M0.00%+162+4.7%Added
M&T Bank Corp3,697$2.33M0.01%+240+6.9%Added
Gulf International Bank (UK) Ltd3,714$2.34M0.07%−415−10.1%Reduced
JustInvest LLC3,789$2.39M0.06%+244+6.9%Added
Kentucky Retirement Systems3,833$2.42M0.08%−385−9.1%Reduced
Teachers Retirement System of the State of Kentucky3,995$2.52M0.02%00.0%Unchanged
Redhawk Wealth Advisors, Inc.4,020$2.54M0.49%−66−1.6%Reduced
Polen Capital Management LLC4,038$2.55M0.01%+1,549+62.2%Added
B. Metzler seel. Sohn & Co. AG4,044$2.55M0.03%−92−2.2%Reduced
Harvest Fund Management Co., Ltd4,140$2.57M0.40%+500+13.7%Added
Cetera Advisor Networks LLC4,073$2.57M0.01%+314+8.4%Added
Cim, LLC3,483$2.58M0.40%−112−3.1%Reduced
Oppenheimer & Co Inc4,108$2.59M0.05%−138−3.3%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd4,120$2.60M0.03%−5−0.1%Reduced
Executive Wealth Management, LLC4,131$2.61M0.25%+80+2.0%Added
USS Investment Management Ltd4,200$2.65M0.02%−500−10.6%Reduced
Cambridge Investment Research Advisors, Inc.4,394$2.77M0.01%+2,925+199.1%Added
Winslow Capital Management, LLC4,456$2.81M0.01%−403,268−98.9%Reduced
Renaissance Group LLC4,464$2.81M0.12%+254+6.0%Added
Chartwell Investment Partners, LLC4,467$2.82M0.10%+213+5.0%Added
Intrust Bank NA4,484$2.83M0.33%−175−3.8%Reduced
Creative Planning4,498$2.84M0.01%−803−15.1%Reduced
Linden Thomas Advisory Services, LLC4,567$2.88M0.54%+306+7.2%Added
PDT Partners, LLC4,653$2.94M0.32%−5,600−54.6%Reduced
Values First Advisors, Inc.4,664$2.94M1.78%+63+1.4%Added
Quantinno Capital Management LP4,718$2.98M0.10%+849+21.9%Added
Burr Financial Services, LLC3,996$3.02M2.31%+3,996New
Steward Partners Investment Advisory, LLC4,801$3.03M0.04%−267−5.3%Reduced
Coldstream Capital Management Inc4,846$3.06M0.09%+265+5.8%Added
Peapack Gladstone Financial Corp4,874$3.07M0.05%00.0%Unchanged
FourThought Financial Partners, LLC4,896$3.09M0.39%−234−4.6%Reduced
Janus Henderson Group PLC4,997$3.15M0.00%−36−0.7%Reduced
Los Angeles Capital Management LLC5,019$3.17M0.01%+5,019New
Daiwa Securities Group Inc.5,124$3.23M0.02%+279+5.8%Added
PFG Advisors5,176$3.27M0.26%−9−0.2%Reduced
British Columbia Investment Management Corp5,224$3.30M0.03%+1,127+27.5%Added
Campbell Newman Asset Management Inc5,248$3.31M0.29%−763−12.7%Reduced
CWM Advisors, LLC5,274$3.33M0.37%+197+3.9%Added
Two Sigma Securities, LLC5,327$3.36M0.15%−898−14.4%Reduced
Synovus Financial Corp5,518$3.48M0.05%−2,567−31.8%Reduced
Redwood Investments, LLC5,547$3.50M0.91%−38−0.7%Reduced
Aviva PLC5,639$3.56M0.01%−2,072−26.9%Reduced
Advisors Asset Management, Inc.5,711$3.60M0.07%+1,470+34.7%Added
UniSuper Management Pty Ltd5,715$3.60M0.04%+115+2.1%Added
Shaker Investments LLC5,741$3.62M1.69%−20.0%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna5,800$3.66M1.54%00.0%Unchanged
QRG Capital Management, Inc.6,006$3.79M0.06%+5,074+544.4%Added
AXA S.A.6,035$3.81M0.01%−16,065−72.7%Reduced
Wealthfront Advisers LLC6,058$3.82M0.01%−57−0.9%Reduced
Azzad Asset Management Inc6,122$3.86M0.49%00.0%Unchanged
Pacer Advisors, Inc.6,124$3.86M0.01%−12,842−67.7%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund6,198$3.91M0.05%+700+12.7%Added
Oppenheimer Asset Management Inc.6,262$3.95M0.05%−328−5.0%Reduced
Empowered Funds, LLC6,341$4.00M0.10%+592+10.3%Added
Nissay Asset Management Corp6,347$4.00M0.03%+641+11.2%Added
Trexquant Investment LP6,396$4.03M0.09%−152−2.3%Reduced
Canada Pension Plan Investment Board6,400$4.04M0.01%+6,400New
CIBC Asset Management Inc6,474$4.08M0.02%−282−4.2%Reduced
Bank of Nova Scotia6,544$4.13M0.01%+2,244+52.2%Added
Truist Financial Corp6,559$4.14M0.01%+130+2.0%Added
ING Groep NV6,559$4.14M0.03%+561+9.4%Added
Oregon Public Employees Retirement Fund6,671$4.21M0.07%−2,786−29.5%Reduced
Bahl & Gaynor Inc6,733$4.25M0.03%−34−0.5%Reduced