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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 2022

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2022. 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
611
−9 vs. Q3 2022
Shares held
46.9M
+1.17M (+2.6%) vs. Q3 2022
Total value
$16.5B
−$90.0M (−0.5%) vs. Q3 2022
New holders
87
232 more added
Sold out
96
231 more reduced

10 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 611 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 2022: $16.5B
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 2022

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2022.

Institutions holding MPWR in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
JustInvest LLC2,782$983.7K0.04%−2,674−49.0%Reduced
Keybank National Association2,786$985.2K0.00%−1,120−28.7%Reduced
Louisiana State Employees Retirement System2,900$1.02M0.03%+100+3.6%Added
Captrust Financial Advisors2,933$1.04M0.01%+17+0.6%Added
CI Private Wealth, LLC2,916$1.04M0.00%+2,916New
Assetmark, Inc2,983$1.05M0.00%+454+18.0%Added
Verition Fund Management LLC3,023$1.07M0.02%−502−14.2%Reduced
Vestcor Inc3,054$1.08M0.04%+2,010+192.5%Added
Cipher Capital LP3,073$1.09M0.21%−767−20.0%Reduced
Kestra Advisory Services, LLC3,133$1.11M0.01%+401+14.7%Added
Pier 88 Investment Partners LLC3,170$1.12M0.27%+630+24.8%Added
Mackenzie Financial Corp3,182$1.13M0.00%−5,020−61.2%Reduced
Westover Capital Advisors, LLC3,202$1.13M0.45%−26−0.8%Reduced
Torray LLC3,209$1.13M0.20%−86−2.6%Reduced
SRN Advisors, LLC3,229$1.14M1.13%+1,252+63.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd3,411$1.21M0.02%+29+0.9%Added
Hartford Investment Management Co3,443$1.22M0.04%−4,149−54.6%Reduced
Westpac Banking Corp3,474$1.23M0.02%00.0%Unchanged
Cetera Investment Advisers3,481$1.23M0.01%+1,749+101.0%Added
Kentucky Retirement Systems3,495$1.24M0.05%+16+0.5%Added
Legato Capital Management LLC3,498$1.24M0.24%+3,498New
Bayesian Capital Management, LP3,500$1.24M0.18%+293+9.1%Added
Park Avenue Securities LLC3,500$1.24M0.02%+807+30.0%Added
M&T Bank Corp3,515$1.24M0.00%−741−17.4%Reduced
Cetera Advisor Networks LLC3,517$1.24M0.01%+2,952+522.5%Added
Crossmark Global Holdings, Inc.3,534$1.25M0.03%+40+1.1%Added
Maryland State Retirement & Pension System3,568$1.26M0.04%+3,568New
Fiducient Advisors LLC3,561$1.26M0.37%+3,561New
Bank of Nova Scotia3,652$1.29M0.00%−3−0.1%Reduced
Renaissance Group LLC3,662$1.29M0.06%+43+1.2%Added
Advisors Asset Management, Inc.3,664$1.30M0.03%−864−19.1%Reduced
Redhawk Wealth Advisors, Inc.3,666$1.30M0.50%+167+4.8%Added
F/M Investments LLC3,682$1.30M1.58%+3,682New
Aigen Investment Management, LP3,757$1.33M0.19%+2,998+395.0%Added
TD Private Client Wealth LLC3,792$1.34M0.06%+88+2.4%Added
Securian Asset Management, Inc3,850$1.36M0.04%+100+2.7%Added
British Columbia Investment Management Corp3,936$1.39M0.02%−448−10.2%Reduced
Bessemer Group Inc3,941$1.39M0.00%−56−1.4%Reduced
Oppenheimer & Co Inc3,963$1.40M0.03%+373+10.4%Added
Teachers Retirement System of the State of Kentucky3,995$1.41M0.01%−100−2.4%Reduced
Marshall Financial Group LLC4,083$1.44M0.56%+629+18.2%Added
B. Metzler seel. Sohn & Co. AG4,141$1.46M0.02%+1,900+84.8%Added
Daiwa Securities Group Inc.4,166$1.47M0.01%−3,597−46.3%Reduced
Mercer Global Advisors Inc4,195$1.48M0.01%−752−15.2%Reduced
Mariner, LLC4,314$1.53M0.00%−386−8.2%Reduced
Chartwell Investment Partners, LLC4,418$1.56M0.06%00.0%Unchanged
Coldstream Capital Management Inc4,482$1.59M0.06%+4,482New
First Republic Investment Management, Inc.4,566$1.61M0.00%−1,538−25.2%Reduced
Janus Henderson Group PLC4,610$1.63M0.00%+4,610New
Executive Wealth Management, LLC4,665$1.65M0.20%+2,894+163.4%Added
USS Investment Management Ltd4,700$1.66M0.02%−17,000−78.3%Reduced
Intrust Bank NA4,892$1.73M0.24%−128−2.5%Reduced
Boulder Hill Capital Management LP4,900$1.73M1.44%+4,900New
Values First Advisors, Inc.4,935$1.75M1.22%−206−4.0%Reduced
Summit Place Financial Advisors, LLC4,960$1.75M1.44%−590−10.6%Reduced
Creative Planning4,982$1.76M0.00%+810+19.4%Added
Nissay Asset Management Corp4,983$1.76M0.02%−133−2.6%Reduced
Swiss Life Asset Management Ltd5,067$1.79M0.03%−1,200−19.1%Reduced
Czech National Bank5,220$1.85M0.05%+54+1.0%Added
Cim, LLC3,682$1.88M0.37%−275−6.9%Reduced
Linden Thomas Advisory Services, LLC5,324$1.88M0.53%+5,324New
Handelsbanken Fonder AB5,344$1.89M0.01%−1,600−23.0%Reduced
Guggenheim Capital LLC5,373$1.90M0.02%−1,510−21.9%Reduced
Alberta Investment Management Corp5,432$1.92M0.02%+1,475+37.3%Added
PFG Advisors5,473$1.94M0.19%+764+16.2%Added
Investment Management Corp of Ontario5,612$1.98M0.10%+5,612New
Campbell Newman Asset Management Inc5,932$2.10M0.21%+188+3.3%Added
National Bank of Canada6,154$2.18M0.01%+1,107+21.9%Added
Steward Partners Investment Advisory, LLC6,191$2.19M0.04%−462−6.9%Reduced
Texas Permanent School Fund6,331$2.24M0.03%+42+0.7%Added
New York Life Investment Management LLC6,380$2.26M0.03%+26+0.4%Added
CIBC Asset Management Inc6,435$2.28M0.01%+471+7.9%Added
State of Tennessee, Treasury Department6,629$2.34M0.01%−527−7.4%Reduced
Gotham Asset Management, LLC6,633$2.35M0.07%−6,378−49.0%Reduced
Natixis6,705$2.37M0.01%+2,883+75.4%Added
FourThought Financial Partners, LLC7,150$2.53M0.37%+7,150New
American Capital Management Inc7,190$2.54M0.10%+85+1.2%Added
LGT Group Foundation7,260$2.57M0.08%−2,000−21.6%Reduced
Brinker Capital Investments, LLC7,321$2.59M0.05%+1,363+22.9%Added
Jane Street Group, LLC7,376$2.61M0.00%−14,999−67.0%Reduced
Oppenheimer Asset Management Inc.7,398$2.62M0.04%−2,242−23.3%Reduced
Weiss Multi-Strategy Advisers LLC7,410$2.62M0.08%−7,590−50.6%Reduced
The PNC Financial Services Group, Inc.7,515$2.66M0.00%+752+11.1%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,538$2.67M0.02%+1,036+15.9%Added
Oregon Public Employees Retirement Fund7,554$2.67M0.03%+234+3.2%Added
Ossiam7,780$2.75M0.07%+7,426+2,097.7%Added
Larson Financial Group LLC7,808$2.76M0.33%−433−5.3%Reduced
Mutual of America Capital Management LLC7,821$2.77M0.03%+149+1.9%Added
Public Sector Pension Investment Board7,896$2.79M0.02%+3,132+65.7%Added
La Financiere de L'Echiquier8,000$2.83M0.18%+4,000+100.0%Added
Teacher Retirement System of Texas8,007$2.83M0.02%−89,073−91.8%Reduced
Skandinaviska Enskilda Banken AB (publ)8,038$2.84M0.02%−189−2.3%Reduced
Moran Wealth Management, LLC8,062$2.85M0.11%+8,062New
Utah Retirement Systems8,078$2.86M0.05%−72−0.9%Reduced
IFM Investors Pty Ltd8,097$2.86M0.05%+177+2.2%Added
Stratos Wealth Partners, LTD.8,148$2.88M0.07%−13−0.2%Reduced
Gulf International Bank (UK) Ltd8,259$2.92M0.05%00.0%Unchanged
Vestor Capital, LLC8,339$2.95M0.36%+3,084+58.7%Added
AXA S.A.8,371$2.96M0.01%−31,807−79.2%Reduced
Level Four Advisory Services, LLC8,437$2.98M0.22%−783−8.5%Reduced