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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, Q2 2023

Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 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
652
−14 vs. Q1 2023
Shares held
46.7M
−589.7K (−1.2%) vs. Q1 2023
Total value
$25.2B
+$1.92B (+8.2%) vs. Q1 2023
New holders
74
237 more added
Sold out
88
256 more reduced

3 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 652 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 heldQ2 2023: $25.2B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2023.

Institutions holding MPWR in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Lord, Abbett & Co. LLC156,862$84.7M0.29%−74,774−32.3%Reduced
Swiss National Bank162,300$87.7M0.06%−14,600−8.3%Reduced
Ensign Peak Advisors, Inc171,426$92.6M0.19%+14,268+9.1%Added
Kayne Anderson Rudnick Investment Management LLC181,172$97.9M0.27%+10,611+6.2%Added
Citigroup Inc183,024$98.9M0.13%+86,480+89.6%Added
Principal Financial Group Inc189,759$102.5M0.07%+16,440+9.5%Added
DekaBank Deutsche Girozentrale194,291$104.2M0.23%+12,206+6.7%Added
Vaughan Nelson Investment Management, L.P.207,023$111.8M1.24%+44,997+27.8%Added
Barclays PLC207,189$111.9M0.07%+97,362+88.7%Added
Earnest Partners LLC219,844$118.8M0.66%+14,642+7.1%Added
Frontier Capital Management Co LLC228,609$123.5M1.18%+86,647+61.0%Added
Van Eck Associates Corp234,861$126.9M0.28%−283,670−54.7%Reduced
Robeco Schweiz AG248,810$134.4M2.00%+10,160+4.3%Added
Neuberger Berman Group LLC254,780$137.1M0.12%−47,038−15.6%Reduced
Charles Schwab Investment Management Inc260,275$140.6M0.04%+5,087+2.0%Added
Voya Investment Management LLC260,947$141.0M0.15%−45,027−14.7%Reduced
Goldman Sachs Group Inc264,138$142.7M0.04%+62,854+31.2%Added
Congress Asset Management Co269,916$145.8M1.27%−6,704−2.4%Reduced
American Century Companies Inc270,763$146.3M0.11%−12,466−4.4%Reduced
Rafferty Asset Management, LLC277,600$150.0M0.85%+64,533+30.3%Added
Legal & General Group Plc284,208$153.5M0.05%+7,149+2.6%Added
SEI Investments Co285,328$154.1M0.27%+47,402+19.9%Added
Tairen Capital Ltd295,819$159.8M5.03%+295,819New
Impax Asset Management Group plc317,703$170.8M0.69%−61,009−16.1%Reduced
Alliancebernstein L.P.326,800$176.5M0.07%−125,355−27.7%Reduced
Eagle Asset Management Inc331,074$178.9M1.00%−5,613−1.7%Reduced
Polar Capital Holdings Plc334,519$180.7M1.24%−2,454−0.7%Reduced
Bank of New York Mellon Corp339,453$183.4M0.04%−36,216−9.6%Reduced
Wasatch Advisors Inc348,172$188.1M1.14%−13,507−3.7%Reduced
Morgan Stanley351,298$189.8M0.02%+26,989+8.3%Added
Allspring Global Investments Holdings, LLC367,431$198.5M0.32%−48,173−11.6%Reduced
Clearbridge Investments, LLC407,844$220.3M0.20%−16,552−3.9%Reduced
Winslow Capital Management, LLC417,843$225.7M1.02%+417,843New
Northern Trust Corp431,519$233.1M0.04%−17,370−3.9%Reduced
Nuveen Asset Management, LLC432,585$233.7M0.08%−229,890−34.7%Reduced
Norges Bank488,671$264.0M0.05%+3,104+0.6%Added
Capital Research Global Investors577,958$312.2M0.08%+7,402+1.3%Added
Macquarie Group Ltd578,559$312.6M0.36%−55,941−8.8%Reduced
Bank of America Corp613,792$331.6M0.04%−108,050−15.0%Reduced
Wellington Management Group LLP846,039$457.1M0.09%+506,010+148.8%Added
Artisan Partners Limited Partnership860,669$465.0M0.75%+48,365+6.0%Added
Geode Capital Management, LLC998,073$537.8M0.06%+31,774+3.3%Added
Brown Advisory Inc1,009,959$545.6M0.85%−17,143−1.7%Reduced
Massachusetts Financial Services Co1,091,211$589.5M0.19%−39,696−3.5%Reduced
JPMorgan Chase & Co1,264,288$683.0M0.08%+592,468+88.2%Added
Invesco Ltd.1,461,682$789.6M0.21%−178,323−10.9%Reduced
Franklin Resources Inc1,803,714$974.4M0.46%+96,107+5.6%Added
State Street Corp1,853,175$1.00B0.05%+41,208+2.3%Added
Price T Rowe Associates Inc2,420,260$1.31B0.18%−914,137−27.4%Reduced
FMR LLC2,654,794$1.43B0.12%+897,645+51.1%Added
Vanguard Group Inc5,249,531$2.84B0.07%+101,846+2.0%Added
BlackRock Inc.5,431,454$2.93B0.08%+257,328+5.0%Added
Holocene Advisors, LP0$00.00%−195,548−100.0%Sold out
Worldquant Millennium Advisors LLC0$00.00%−41,634−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−36,162−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−30,595−100.0%Sold out
Woodline Partners LP0$00.00%−25,531−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−24,252−100.0%Sold out
Moore Capital Management, LP0$00.00%−22,500−100.0%Sold out
Twinbeech Capital LP0$00.00%−20,151−100.0%Sold out
KCL Capital, L.P.0$00.00%−20,000−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−14,902−100.0%Sold out
Vestor Capital, LLC0$00.00%−9,594−100.0%Sold out
Marshall Wace, LLP0$00.00%−9,133−100.0%Sold out
Prospera Financial Services Inc0$00.00%−8,146−100.0%Sold out
ING Groep NV0$00.00%−7,605−100.0%Sold out
Bellwether Advisors, LLC0$00.00%−6,935−100.0%Sold out
Cinctive Capital Management LP0$00.00%−6,540−100.0%Sold out
Verition Fund Management LLC0$00.00%−5,775−100.0%Sold out
Engineers Gate Manager LP0$00.00%−5,158−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−4,100−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−3,900−100.0%Sold out
F/M Investments LLC0$00.00%−3,878−100.0%Sold out
Hood River Capital Management LLC0$00.00%−3,849−100.0%Sold out
Westpac Banking Corp0$00.00%−3,474−100.0%Sold out
Pearl River Capital, LLC0$00.00%−3,412−100.0%Sold out
XTX Topco Ltd0$00.00%−3,162−100.0%Sold out
Headlands Technologies LLC0$00.00%−3,021−100.0%Sold out
Nishkama Capital, LLC0$00.00%−3,000−100.0%Sold out
Walleye Capital LLC0$00.00%−2,406−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−2,348−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−2,243−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−2,116−100.0%Sold out
FORA Capital, LLC0$00.00%−1,997−100.0%Sold out
Oak Thistle LLC0$00.00%−1,559−100.0%Sold out
Retireful, LLC0$00.00%−1,421−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−1,269−100.0%Sold out
Harbour Capital Advisors, LLC0$00.00%−1,246−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−1,097−100.0%Sold out
AustralianSuper Pty Ltd0$00.00%−1,038−100.0%Sold out
O'Neil Global Advisors, Inc.0$00.00%−923−100.0%Sold out
Inceptionr LLC0$00.00%−913−100.0%Sold out
Eschler Asset Management LLP0$00.00%−864−100.0%Sold out
Shay Capital LLC0$00.00%−825−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−811−100.0%Sold out
Qsemble Capital Management, LP0$00.00%−800−100.0%Sold out
LGT Fund Management Co Ltd.0$00.00%−800−100.0%Sold out
Wolverine Trading, LLC0$00.00%−777−100.0%Sold out
Diversified Trust Co0$00.00%−764−100.0%Sold out
Duality Advisers, LP0$00.00%−758−100.0%Sold out