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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 $65.7B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.

13F holders, Q3 2022

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 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
630
+10 vs. Q2 2022
Shares held
45.7M
+2.03M (+4.7%) vs. Q2 2022
Total value
$16.6B
−$158.2M (−0.9%) vs. Q2 2022
New holders
81
257 more added
Sold out
71
230 more reduced

5 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 631 institutions
Q1 2021: 530 institutionsQ2 2021: 533 institutionsQ3 2021: 579 institutionsQ4 2021: 627 institutionsQ1 2022: 611 institutionsQ2 2022: 625 institutionsQ3 2022: 631 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 heldQ3 2022: $16.7B
Q1 2021: $15.1BQ2 2021: $16.1BQ3 2021: $21.1BQ4 2021: $21.6BQ1 2022: $21.4BQ2 2022: $16.8BQ3 2022: $16.7BQ4 2022: $16.6BQ1 2023: $24.5BQ2 2023: $25.4BQ3 2023: $21.3BQ4 2023: $29.8BQ1 2024: $32.6BQ2 2024: $39.7BQ3 2024: $43.6BQ4 2024: $27.6BQ1 2025: $27.2BQ2 2025: $34.8BQ3 2025: $43.8BQ4 2025: $44.9BQ1 2026: $51.6BQ2 2026: $65.7B
Institutions holding MPWR and their total value by quarter
QuarterHoldersValue
Q2 20261,250$65.7B
Q1 20261,124$51.6B
Q4 20251,061$44.9B
Q3 2025981$43.8B
Q2 2025907$34.8B
Q1 2025862$27.2B
Q4 2024864$27.6B
Q3 2024885$43.6B
Q2 2024838$39.7B
Q1 2024807$32.6B
Q4 2023737$29.8B
Q3 2023655$21.3B
Q2 2023652$25.4B
Q1 2023669$24.5B
Q4 2022611$16.6B
Q3 2022631$16.7B
Q2 2022625$16.8B
Q1 2022611$21.4B
Q4 2021627$21.6B
Q3 2021579$21.1B
Q2 2021533$16.1B
Q1 2021530$15.1B

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2022.

Institutions holding MPWR in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,382,638$1.96B0.07%−381,988−6.6%Reduced
Vanguard Group Inc5,084,168$1.85B0.05%+130,675+2.6%Added
State Street Corp1,787,219$650.8M0.04%+40,022+2.3%Added
Price T Rowe Associates Inc1,743,681$640.2M0.11%+277,288+18.9%Added
Franklin Resources Inc1,667,718$606.0M0.33%+37,701+2.3%Added
Invesco Ltd.1,499,719$545.0M0.18%+158,912+11.9%Added
Massachusetts Financial Services Co1,276,853$464.0M0.17%+3,675+0.3%Added
FMR LLC1,270,998$461.9M0.05%+475,119+59.7%Added
Brown Advisory Inc1,158,902$421.1M0.82%+223,648+23.9%Added
Geode Capital Management, LLC926,761$336.4M0.05%+33,947+3.8%Added
Nuveen Asset Management, LLC916,554$333.1M0.14%−36,741−3.9%Reduced
Artisan Partners Limited Partnership747,629$271.7M0.48%−25,279−3.3%Reduced
Macquarie Group Ltd656,515$238.6M0.29%−130,310−16.6%Reduced
Bank of America Corp612,044$222.4M0.03%−68,372−10.0%Reduced
GQG Partners LLC546,168$198.4M0.57%+546,168New
Whale Rock Capital Management LLC516,919$187.8M5.28%−212,142−29.1%Reduced
Clearbridge Investments, LLC468,672$170.3M0.17%+437+0.1%Added
Northern Trust Corp452,212$164.3M0.04%−690−0.2%Reduced
Alliancebernstein L.P.451,584$164.1M0.08%−64,184−12.4%Reduced
Neuberger Berman Group LLC442,194$161.3M0.17%−72,261−14.0%Reduced
Renaissance Technologies LLC423,341$153.8M0.22%+327,755+342.9%Added
American Century Companies Inc414,644$150.7M0.13%−51,512−11.1%Reduced
Millennium Management LLC412,511$149.9M0.19%+269,205+187.9%Added
Impax Asset Management Group plc411,590$148.9M0.77%−10,319−2.4%Reduced
Los Angeles Capital Management LLC399,477$145.2M0.75%+242,804+155.0%Added
Norges Bank397,821$144.6M0.04%−19,870−4.8%Reduced
Morgan Stanley368,127$133.8M0.02%+41,586+12.7%Added
JPMorgan Chase & Co367,829$133.7M0.02%−70,628−16.1%Reduced
Bank of New York Mellon Corp339,908$123.5M0.03%+880.0%Added
Allspring Global Investments Holdings, LLC317,634$115.4M0.20%−101,975−24.3%Reduced
Congress Asset Management Co317,368$115.3M1.24%−67,176−17.5%Reduced
Wasatch Advisors Inc310,364$112.8M0.78%−11,063−3.4%Reduced
Goldman Sachs Group Inc304,564$110.7M0.03%+75,253+32.8%Added
Legal & General Group Plc299,845$109.0M0.04%−24,140−7.5%Reduced
Van Eck Associates Corp289,941$105.4M0.31%−16,693−5.4%Reduced
Polar Capital Holdings Plc281,288$102.2M0.83%−16,076−5.4%Reduced
Eagle Asset Management Inc275,581$100.1M0.65%+1,279+0.5%Added
Voya Investment Management LLC260,766$94.8M0.11%+134,819+107.0%Added
Charles Schwab Investment Management Inc241,924$87.9M0.03%+8,237+3.5%Added
Robeco Schweiz AG241,480$87.8M1.71%+6,055+2.6%Added
Qube Research & Technologies Ltd233,860$85.0M0.54%+219,753+1,557.8%Added
Earnest Partners LLC222,668$80.9M0.54%−169,379−43.2%Reduced
Ameriprise Financial Inc221,961$80.7M0.03%+174,908+371.7%Added
Alyeska Investment Group, L.P.220,460$80.1M0.94%+220,460New
SEI Investments Co204,808$74.4M0.17%+4,458+2.2%Added
Wellington Management Group LLP199,145$72.4M0.02%+300+0.2%Added
Vaughan Nelson Investment Management, L.P.197,328$71.7M1.04%+42,306+27.3%Added
Swiss National Bank192,089$69.8M0.05%+400+0.2%Added
Amundi171,308$68.5M0.04%+127,252+288.8%Added
Lord, Abbett & Co. LLC187,657$68.2M0.25%−147,575−44.0%Reduced
UBS Asset Management Americas Inc184,976$67.2M0.04%+10,346+5.9%Added
Fred Alger Management, LLC181,281$65.9M0.33%−534−0.3%Reduced
STRS Ohio168,364$61.2M0.29%+164+0.1%Added
TD Asset Management Inc160,167$58.5M0.07%+11,040+7.4%Added
Rafferty Asset Management, LLC161,006$58.5M0.62%−5,376−3.2%Reduced
Baird Financial Group, Inc.159,572$58.0M0.17%+2,911+1.9%Added
DekaBank Deutsche Girozentrale154,610$55.2M0.16%−20,353−11.6%Reduced
Citadel Advisors LLC147,783$53.7M0.07%−7,903−5.1%Reduced
Principal Financial Group Inc142,055$51.6M0.04%−2,727−1.9%Reduced
Envestnet Asset Management Inc139,350$50.6M0.03%+4,722+3.5%Added
Dimensional Fund Advisors LP133,883$48.7M0.02%+2,263+1.7%Added
TimesSquare Capital Management, LLC132,800$48.3M0.67%−31,000−18.9%Reduced
Ensign Peak Advisors, Inc129,817$47.2M0.12%+466+0.4%Added
Sumitomo Mitsui Trust Holdings, Inc.127,944$46.5M0.04%+714+0.6%Added
Victory Capital Management Inc127,580$46.4M0.05%−28,842−18.4%Reduced
Barclays PLC120,199$43.7M0.05%+29,066+31.9%Added
Eventide Asset Management, LLC118,598$43.1M0.85%+750+0.6%Added
Jupiter Asset Management Ltd113,091$41.1M0.64%+1,218+1.1%Added
Worldquant Millennium Advisors LLC112,042$40.7M0.99%+78,886+237.9%Added
Royal Bank of Canada110,125$40.0M0.01%+11,961+12.2%Added
Grandeur Peak Global Advisors, LLC107,705$39.1M2.40%+7,138+7.1%Added
New York State Common Retirement Fund107,000$38.9M0.06%−46,855−30.5%Reduced
Marshall Wace, LLP105,928$38.5M0.10%−27,180−20.4%Reduced
Citigroup Inc104,979$38.1M0.05%−28,827−21.5%Reduced
Scout Investments, Inc.102,469$37.2M0.77%+102,469New
California Public Employees Retirement System101,914$37.0M0.03%+11,837+13.1%Added
Segall Bryant & Hamill, LLC99,930$36.3M0.43%+6,756+7.3%Added
Frontier Capital Management Co LLC98,605$35.8M0.42%−3,565−3.5%Reduced
Rhumbline Advisers98,321$35.7M0.05%+1,778+1.8%Added
Allianz Asset Management GmbH97,779$35.5M0.08%−95,516−49.4%Reduced
Teacher Retirement System of Texas97,080$35.3M0.26%+1,355+1.4%Added
Thrivent Financial for Lutherans93,804$34.1M0.09%+9,732+11.6%Added
Cubist Systematic Strategies, LLC92,486$33.6M0.25%+38,813+72.3%Added
Deutsche Bank AG87,521$31.8M0.02%−7,091−7.5%Reduced
Natixis Advisors, L.P.80,162$29.1M0.12%+17,942+28.8%Added
HSBC Holdings PLC76,462$27.9M0.05%+1,576+2.1%Added
AQR Capital Management LLC76,188$27.7M0.07%+6,249+8.9%Added
California State Teachers Retirement System73,573$26.7M0.05%−717−1.0%Reduced
Raymond James & Associates71,055$25.8M0.03%+1,248+1.8%Added
Glenmede Trust Co NA70,825$25.7M0.16%+617+0.9%Added
National Pension Service68,081$24.9M0.05%−7,485−9.9%Reduced
Stifel Financial Corp65,859$23.9M0.04%+45,281+220.0%Added
Twinbeech Capital LP64,636$23.5M0.62%+30,303+88.3%Added
Woodline Partners LP62,431$22.7M0.33%+6,408+11.4%Added
First Trust Advisors LP62,085$22.6M0.03%−13,734−18.1%Reduced
Intech Investment Management LLC61,965$22.5M0.17%+32,021+106.9%Added
Point72 Asset Management, L.P.61,527$22.4M0.10%−57,973−48.5%Reduced
Credit Suisse AG60,939$22.1M0.02%+4,909+8.8%Added
State Board of Administration of Florida Retirement System59,691$21.7M0.06%+1,763+3.0%Added
Acadian Asset Management LLC59,286$21.5M0.12%+37,915+177.4%Added