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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, 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: 630 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 heldQ3 2022: $16.6B
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, 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
Congress Wealth Management LLC36,991$13.4M0.36%+193+0.5%Added
Lazard Asset Management LLC37,965$13.8M0.02%−18,409−32.7%Reduced
Nicholas Investment Partners, LP38,835$14.1M1.31%−7,009−15.3%Reduced
Gilder Gagnon Howe & Co LLC39,196$14.2M0.25%−1,063−2.6%Reduced
AXA S.A.40,178$14.6M0.06%+15,053+59.9%Added
Susquehanna International Group, LLP41,449$15.1M0.03%+18,136+77.8%Added
New York State Teachers Retirement System42,870$15.6M0.04%+40+0.1%Added
Prudential Financial Inc43,897$16.0M0.03%+5,544+14.5%Added
Russell Investments Group, Ltd.44,471$16.2M0.04%+16,929+61.5%Added
Loomis Sayles & Co L P44,609$16.2M0.03%−10,502−19.1%Reduced
Great West Life Assurance Co45,178$16.4M0.05%+253+0.6%Added
Adage Capital Partners GP, L.L.C.45,300$16.5M0.04%−23,285−34.0%Reduced
Vantage Investment Partners, LLC46,358$16.8M2.64%+46,358New
Summit Partners Public Asset Management, LLC48,497$17.6M1.46%−123,971−71.9%Reduced
Whittier Trust Co48,701$17.7M0.37%+1,991+4.3%Added
Natixis Investment Managers International49,135$17.9M1.43%+8,405+20.6%Added
Public Employees Retirement Association of Colorado49,475$18.0M0.10%00.0%Unchanged
RMB Capital Management, LLC49,515$18.0M0.67%+723+1.5%Added
Zevenbergen Capital Investments LLC50,300$18.3M0.52%+36,215+257.1%Added
Mirae Asset Global Investments Co., Ltd.50,949$18.5M0.05%−6,493−11.3%Reduced
D. E. Shaw & Co., Inc.52,157$19.0M0.03%+52,157New
CIBC Private Wealth Group, LLC53,125$19.3M0.05%+48,073+951.6%Added
Pembroke Management, LTD54,119$19.7M2.18%−800−1.5%Reduced
LPL Financial LLC54,268$19.7M0.02%+14,962+38.1%Added
Azimuth Capital Investment Management LLC54,313$19.7M1.08%+384+0.7%Added
KBC Group NV54,408$19.8M0.10%+562+1.0%Added
Manufacturers Life Insurance Company, The54,314$19.8M0.01%−7,870−12.7%Reduced
BNP Paribas Arbitrage, SA55,752$20.3M0.05%−91,283−62.1%Reduced
Squarepoint Ops LLC58,277$21.2M0.19%+25,885+79.9%Added
Wells Fargo & Company59,105$21.5M0.01%−4,043−6.4%Reduced
Acadian Asset Management LLC59,286$21.5M0.12%+37,915+177.4%Added
State Board of Administration of Florida Retirement System59,691$21.7M0.06%+1,763+3.0%Added
Credit Suisse AG60,939$22.1M0.02%+4,909+8.8%Added
Point72 Asset Management, L.P.61,527$22.4M0.10%−57,973−48.5%Reduced
Intech Investment Management LLC61,965$22.5M0.17%+32,021+106.9%Added
First Trust Advisors LP62,085$22.6M0.03%−13,734−18.1%Reduced
Woodline Partners LP62,431$22.7M0.33%+6,408+11.4%Added
Twinbeech Capital LP64,636$23.5M0.62%+30,303+88.3%Added
Stifel Financial Corp65,859$23.9M0.04%+45,281+220.0%Added
National Pension Service68,081$24.9M0.05%−7,485−9.9%Reduced
Glenmede Trust Co NA70,825$25.7M0.16%+617+0.9%Added
Raymond James & Associates71,055$25.8M0.03%+1,248+1.8%Added
California State Teachers Retirement System73,573$26.7M0.05%−717−1.0%Reduced
AQR Capital Management LLC76,188$27.7M0.07%+6,249+8.9%Added
HSBC Holdings PLC76,462$27.9M0.05%+1,576+2.1%Added
Natixis Advisors, L.P.80,162$29.1M0.12%+17,942+28.8%Added
Deutsche Bank AG87,521$31.8M0.02%−7,091−7.5%Reduced
Cubist Systematic Strategies, LLC92,486$33.6M0.25%+38,813+72.3%Added
Thrivent Financial for Lutherans93,804$34.1M0.09%+9,732+11.6%Added
Teacher Retirement System of Texas97,080$35.3M0.26%+1,355+1.4%Added
Allianz Asset Management GmbH97,779$35.5M0.08%−95,516−49.4%Reduced
Rhumbline Advisers98,321$35.7M0.05%+1,778+1.8%Added
Frontier Capital Management Co LLC98,605$35.8M0.42%−3,565−3.5%Reduced
Segall Bryant & Hamill, LLC99,930$36.3M0.43%+6,756+7.3%Added
California Public Employees Retirement System101,914$37.0M0.03%+11,837+13.1%Added
Scout Investments, Inc.102,469$37.2M0.77%+102,469New
Citigroup Inc104,979$38.1M0.05%−28,827−21.5%Reduced
Marshall Wace, LLP105,928$38.5M0.10%−27,180−20.4%Reduced
New York State Common Retirement Fund107,000$38.9M0.06%−46,855−30.5%Reduced
Grandeur Peak Global Advisors, LLC107,705$39.1M2.40%+7,138+7.1%Added
Royal Bank of Canada110,125$40.0M0.01%+11,961+12.2%Added
Worldquant Millennium Advisors LLC112,042$40.7M0.99%+78,886+237.9%Added
Jupiter Asset Management Ltd113,091$41.1M0.64%+1,218+1.1%Added
Eventide Asset Management, LLC118,598$43.1M0.85%+750+0.6%Added
Barclays PLC120,199$43.7M0.05%+29,066+31.9%Added
Victory Capital Management Inc127,580$46.4M0.05%−28,842−18.4%Reduced
Sumitomo Mitsui Trust Holdings, Inc.127,944$46.5M0.04%+714+0.6%Added
Ensign Peak Advisors, Inc129,817$47.2M0.12%+466+0.4%Added
TimesSquare Capital Management, LLC132,800$48.3M0.67%−31,000−18.9%Reduced
Dimensional Fund Advisors LP133,883$48.7M0.02%+2,263+1.7%Added
Envestnet Asset Management Inc139,350$50.6M0.03%+4,722+3.5%Added
Principal Financial Group Inc142,055$51.6M0.04%−2,727−1.9%Reduced
Citadel Advisors LLC147,783$53.7M0.07%−7,903−5.1%Reduced
DekaBank Deutsche Girozentrale154,610$55.2M0.16%−20,353−11.6%Reduced
Baird Financial Group, Inc.159,572$58.0M0.17%+2,911+1.9%Added
Rafferty Asset Management, LLC161,006$58.5M0.62%−5,376−3.2%Reduced
TD Asset Management Inc160,167$58.5M0.07%+11,040+7.4%Added
STRS Ohio168,364$61.2M0.29%+164+0.1%Added
Fred Alger Management, LLC181,281$65.9M0.33%−534−0.3%Reduced
UBS Asset Management Americas Inc184,976$67.2M0.04%+10,346+5.9%Added
Lord, Abbett & Co. LLC187,657$68.2M0.25%−147,575−44.0%Reduced
Amundi171,308$68.5M0.04%+127,252+288.8%Added
Swiss National Bank192,089$69.8M0.05%+400+0.2%Added
Vaughan Nelson Investment Management, L.P.197,328$71.7M1.04%+42,306+27.3%Added
Wellington Management Group LLP199,145$72.4M0.02%+300+0.2%Added
SEI Investments Co204,808$74.4M0.17%+4,458+2.2%Added
Alyeska Investment Group, L.P.220,460$80.1M0.94%+220,460New
Ameriprise Financial Inc221,961$80.7M0.03%+174,908+371.7%Added
Earnest Partners LLC222,668$80.9M0.54%−169,379−43.2%Reduced
Qube Research & Technologies Ltd233,860$85.0M0.54%+219,753+1,557.8%Added
Robeco Schweiz AG241,480$87.8M1.71%+6,055+2.6%Added
Charles Schwab Investment Management Inc241,924$87.9M0.03%+8,237+3.5%Added
Voya Investment Management LLC260,766$94.8M0.11%+134,819+107.0%Added
Eagle Asset Management Inc275,581$100.1M0.65%+1,279+0.5%Added
Polar Capital Holdings Plc281,288$102.2M0.83%−16,076−5.4%Reduced
Van Eck Associates Corp289,941$105.4M0.31%−16,693−5.4%Reduced
Legal & General Group Plc299,845$109.0M0.04%−24,140−7.5%Reduced
Goldman Sachs Group Inc304,564$110.7M0.03%+75,253+32.8%Added
Wasatch Advisors Inc310,364$112.8M0.78%−11,063−3.4%Reduced
Congress Asset Management Co317,368$115.3M1.24%−67,176−17.5%Reduced