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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 9 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
Caisse de Depot Et Placement du Quebec139,589$82.6M0.17%+88,381+172.6%Added
Neuberger Berman Group LLC140,371$83.1M0.07%+4,770+3.5%Added
Healthcare of Ontario Pension Plan Trust Fund141,925$84.0M0.18%+59,954+73.1%Added
Manufacturers Life Insurance Company, The145,953$86.4M0.08%−40,156−21.6%Reduced
Frontier Capital Management Co LLC149,453$88.4M0.84%+6,737+4.7%Added
Natixis Advisors, L.P.149,683$88.6M0.17%−16,625−10.0%Reduced
BNP Paribas Arbitrage, SA151,217$89.5M0.07%+13,681+9.9%Added
Canada Pension Plan Investment Board155,173$91.8M0.09%−62,557−28.7%Reduced
DF Dent & Co Inc155,539$92.0M1.17%+72,295+86.8%Added
Deutsche Bank AG159,038$94.1M0.04%+32,507+25.7%Added
Dimensional Fund Advisors LP159,587$94.4M0.02%+10,761+7.2%Added
Bank of Nova Scotia161,800$95.7M0.17%+150,406+1,320.0%Added
Baird Financial Group, Inc.162,905$96.4M0.18%+17,661+12.2%Added
Allianz Asset Management GmbH163,065$96.5M0.14%+60,130+58.4%Added
Envestnet Asset Management Inc173,872$102.9M0.03%+3,272+1.9%Added
Principal Financial Group Inc174,411$103.2M0.06%+93,347+115.2%Added
HSBC Holdings PLC174,768$103.8M0.06%+40,888+30.5%Added
CIBC Private Wealth Group, LLC171,145$106.3M0.19%−123,470−41.9%Reduced
Rokos Capital Management LLP180,844$107.1M2.33%+104,326+136.3%Added
T. Rowe Price Investment Management, Inc.184,055$108.9M0.07%+184,055New
Ameriprise Financial Inc185,463$109.7M0.03%−8,735−4.5%Reduced
Alyeska Investment Group, L.P.191,900$113.5M0.43%+191,900New
DekaBank Deutsche Girozentrale190,443$114.1M0.21%00.0%Unchanged
American Century Companies Inc195,663$115.8M0.07%−29,893−13.3%Reduced
SEI Investments Co198,416$117.4M0.15%+1,300+0.7%Added
Voya Investment Management LLC198,504$117.5M0.12%−30,133−13.2%Reduced
Nuveen Asset Management, LLC199,165$117.8M0.03%−5,281−2.6%Reduced
Earnest Partners LLC203,011$120.1M0.54%−12,480−5.8%Reduced
Allspring Global Investments Holdings, LLC206,652$122.8M0.20%+9,978+5.1%Added
Royal Bank of Canada232,356$137.5M0.03%−32,177−12.2%Reduced
Impax Asset Management Group plc237,910$139.9M0.63%+50,386+26.9%Added
Raymond James Financial Inc237,950$140.8M0.05%+237,950New
Macquarie Group Ltd263,039$154.8M0.19%−8,906−3.3%Reduced
Goldman Sachs Group Inc265,420$157.0M0.03%−164,843−38.3%Reduced
UBS Asset Management Americas Inc279,650$165.5M0.04%+47,599+20.5%Added
Charles Schwab Investment Management Inc325,823$192.8M0.04%+11,559+3.7%Added
Legal & General Group Plc327,178$193.6M0.05%+40,641+14.2%Added
Barclays PLC332,859$197.0M0.10%+10,744+3.3%Added
Ensign Peak Advisors, Inc337,078$199.4M0.35%+185,002+121.7%Added
Alliancebernstein L.P.343,202$203.1M0.07%−101,763−22.9%Reduced
Citigroup Inc347,180$205.4M0.20%+29,692+9.4%Added
Bank of New York Mellon Corp349,922$207.0M0.04%+36,323+11.6%Added
Artisan Partners Limited Partnership358,777$212.3M0.33%+101,156+39.3%Added
Kayne Anderson Rudnick Investment Management LLC362,761$214.6M0.49%+81,234+28.9%Added
Vaughan Nelson Investment Management, L.P.386,686$228.8M2.13%−59,529−13.3%Reduced
UBS Group AG410,572$242.9M0.05%+198,150+93.3%Added
Rafferty Asset Management, LLC419,195$248.0M0.88%+28,126+7.2%Added
Morgan Stanley459,302$271.8M0.02%+14,410+3.2%Added
Massachusetts Financial Services Co488,300$288.9M0.09%−189,793−28.0%Reduced
JPMorgan Chase & Co497,488$294.4M0.02%−423,459−46.0%Reduced
Northern Trust Corp509,293$301.3M0.04%+94,414+22.8%Added
Bank of America Corp554,795$328.3M0.03%−209,404−27.4%Reduced
Van Eck Associates Corp776,026$459.2M0.59%+328,203+73.3%Added
Norges Bank834,557$493.8M0.06%+93,469+12.6%Added
Wellington Management Group LLP853,029$504.7M0.09%−251,196−22.7%Reduced
Brown Advisory Inc986,005$583.4M0.74%+5,274+0.5%Added
Invesco Ltd.1,162,482$687.8M0.13%+81,412+7.5%Added
Geode Capital Management, LLC1,365,459$807.2M0.06%+31,295+2.3%Added
Franklin Resources Inc1,439,822$851.9M0.24%−172,235−10.7%Reduced
Price T Rowe Associates Inc1,528,301$904.3M0.10%+214,395+16.3%Added
State Street Corp2,160,019$1.28B0.05%+74,873+3.6%Added
FMR LLC3,118,147$1.85B0.11%−401,229−11.4%Reduced
BlackRock, Inc.5,422,227$3.21B0.07%−381,736−6.6%Reduced
Vanguard Group Inc5,824,274$3.45B0.06%+74,046+1.3%Added
Capital Research Global Investors0$00.00%−256,871−100.0%Sold out
Whale Rock Capital Management LLC0$00.00%−200,490−100.0%Sold out
1832 Asset Management L.P.0$00.00%−129,200−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−125,515−100.0%Sold out
Analog Century Management LP0$00.00%−103,840−100.0%Sold out
Twinbeech Capital LP0$00.00%−71,554−100.0%Sold out
Holocene Advisors, LP0$00.00%−58,627−100.0%Sold out
HRT Financial LP0$00.00%−37,111−100.0%Sold out
ING Groep NV0$00.00%−31,520−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−13,904−100.0%Sold out
Moore Capital Management, LP0$00.00%−9,150−100.0%Sold out
Patton Fund Management, Inc.0$00.00%−7,652−100.0%Sold out
Geneva Partners, LLC0$00.00%−6,502−100.0%Sold out
LGT Group Foundation0$00.00%−6,787−100.0%Sold out
Pinnbrook Capital Management LP0$00.00%−6,345−100.0%Sold out
Marex Group plc0$00.00%−5,900−100.0%Sold out
Thornburg Investment Management Inc0$00.00%−4,794−100.0%Sold out
Azzad Asset Management Inc0$00.00%−4,097−100.0%Sold out
Next Century Growth Investors LLC0$00.00%−3,075−100.0%Sold out
Kingswood Wealth Advisors, LLC0$00.00%−2,608−100.0%Sold out
iA Global Asset Management Inc.0$00.00%−2,532−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−2,363−100.0%Sold out
Crestline Management, LP0$00.00%−2,251−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−2,178−100.0%Sold out
Savant Capital, LLC0$00.00%−2,134−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−2,043−100.0%Sold out
Veriti Management LLC0$00.00%−1,916−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−1,880−100.0%Sold out
Pier 88 Investment Partners LLC0$00.00%−1,850−100.0%Sold out
JT Stratford LLC0$00.00%−1,771−100.0%Sold out
Donoghue Forlines LLC0$00.00%−1,606−100.0%Sold out
Investment Management Corp of Ontario0$00.00%−1,579−100.0%Sold out
Cinctive Capital Management LP0$00.00%−1,497−100.0%Sold out
Kentucky Retirement Systems Insurance Trust Fund0$00.00%−1,443−100.0%Sold out
AXS Investments LLC0$00.00%−1,397−100.0%Sold out
CenterBook Partners LP0$00.00%−1,345−100.0%Sold out