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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, Q1 2022

Institutional positions in Monolithic Power Systems, Inc. as of Mar 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
−11 vs. Q4 2021
Shares held
44.0M
+395.1K (+0.9%) vs. Q4 2021
Total value
$21.3B
−$206.7M (−1.0%) vs. Q4 2021
New holders
77
256 more added
Sold out
88
205 more reduced

5 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 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 heldQ1 2022: $21.3B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2021.

Institutions holding MPWR in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Calamos Advisors LLC2,569$1.25M0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,583$1.25M0.04%−4,398−63.0%Reduced
Virtu Financial LLC2,604$1.26M0.09%−63−2.4%Reduced
CIBC World Markets Corp2,641$1.28M0.01%+1,096+70.9%Added
Summit Place Financial Advisors, LLC2,660$1.29M0.87%+2,660New
Sumitomo Mitsui DS Asset Management Company, Ltd2,670$1.30M0.03%−2−0.1%Reduced
Bayesian Capital Management, LP2,700$1.31M0.20%+2,700New
Kentucky Retirement Systems2,762$1.34M0.05%+87+3.3%Added
Triasima Portfolio Management inc.2,765$1.34M0.06%−3,765−57.7%Reduced
The PNC Financial Services Group, Inc.2,959$1.44M0.00%+1,128+61.6%Added
Atria Investments LLC2,993$1.45M0.03%+440+17.2%Added
Oppenheimer & Co Inc2,995$1.46M0.03%−182−5.7%Reduced
Scotia Capital Inc.3,071$1.49M0.01%+3,071New
Next Century Growth Investors LLC3,096$1.50M0.15%−124−3.9%Reduced
Quantbot Technologies LP3,099$1.50M0.13%−5,348−63.3%Reduced
M&T Bank Corp3,097$1.50M0.01%+91+3.0%Added
MAI Capital Management3,107$1.51M0.03%−86−2.7%Reduced
Oak Ridge Investments LLC3,113$1.51M0.17%−8−0.3%Reduced
M&G Investment Management Ltd3,169$1.54M0.00%00.0%Unchanged
Illinois Municipal Retirement Fund3,187$1.55M0.05%00.0%Unchanged
Verition Fund Management LLC3,197$1.55M0.03%+1,617+102.3%Added
Teachers Retirement System of the State of Kentucky3,263$1.58M0.02%−286−8.1%Reduced
American Portfolios Advisors3,298$1.60M0.05%+2,129+182.1%Added
Captrust Financial Advisors3,298$1.60M0.01%+259+8.5%Added
Keybank National Association3,312$1.61M0.01%−303−8.4%Reduced
Fort Washington Investment Advisors Inc3,329$1.62M0.01%00.0%Unchanged
Renaissance Group LLC3,333$1.62M0.07%+122+3.8%Added
Jane Street Group, LLC3,363$1.63M0.00%−2,997−47.1%Reduced
Torray LLC3,364$1.63M0.26%+116+3.6%Added
Creative Planning3,398$1.65M0.00%+167+5.2%Added
Maryland State Retirement & Pension System3,439$1.67M0.05%00.0%Unchanged
Westpac Banking Corp3,474$1.69M0.02%−12,286−78.0%Reduced
B. Metzler seel. Sohn & Co. AG3,480$1.69M0.02%+470+15.6%Added
Redhawk Wealth Advisors, Inc.3,506$1.70M0.45%+717+25.7%Added
Virtue Capital Management, LLC3,561$1.73M0.27%−549−13.4%Reduced
Daiwa Securities Group Inc.3,583$1.74M0.01%+239+7.1%Added
O'Shares Investment Advisers, LLC3,663$1.78M0.14%+195+5.6%Added
Storebrand Asset Management AS3,716$1.80M0.01%+478+14.8%Added
Securian Asset Management, Inc3,750$1.82M0.04%00.0%Unchanged
JustInvest LLC3,761$1.83M0.09%+764+25.5%Added
NFJ Investment Group, LLC3,763$1.83M0.04%+438+13.2%Added
Natixis3,811$1.85M0.01%−54,712−93.5%Reduced
Financial Counselors Inc3,891$1.89M0.04%+3,891New
Westover Capital Advisors, LLC3,917$1.90M0.59%−258−6.2%Reduced
Norinchukin Bank, The3,952$1.92M0.03%+276+7.5%Added
Employees Retirement System of Texas4,000$1.94M0.02%00.0%Unchanged
Bessemer Group Inc4,013$1.95M0.00%+1,030+34.5%Added
TD Private Client Wealth LLC4,023$1.95M0.08%+389+10.7%Added
Hartford Investment Management Co4,096$1.99M0.05%−311−7.1%Reduced
Crossmark Global Holdings, Inc.4,109$2.00M0.04%−400−8.9%Reduced
Penserra Capital Management LLC4,114$2.00M0.05%+3,922+2,042.7%Added
CIBC Asset Management Inc4,249$2.06M0.01%+38+0.9%Added
Tributary Capital Management, LLC4,300$2.09M0.16%−600−12.2%Reduced
Coldstream Capital Management Inc4,336$2.11M0.07%−2,322−34.9%Reduced
Centiva Capital, LP4,339$2.11M0.12%−619−12.5%Reduced
HighTower Advisors, LLC4,466$2.15M0.00%−2,250−33.5%Reduced
Prelude Capital Management, LLC4,694$2.28M0.11%+2,899+161.5%Added
GAM Holding AG6,763$2.32M0.11%−10.0%Reduced
La Financiere de L'Echiquier5,000$2.43M0.10%+1,000+25.0%Added
Mercer Global Advisors Inc5,003$2.43M0.01%+1,545+44.7%Added
Fluent Financial, LLC5,051$2.44M1.00%+5,051New
Nissay Asset Management Corp5,081$2.47M0.02%+136+2.8%Added
Railway Pension Investments Ltd5,100$2.48M0.02%00.0%Unchanged
Janus Henderson Group PLC5,246$2.55M0.00%+1,245+31.1%Added
PFG Advisors5,296$2.57M0.26%−165−3.0%Reduced
Campbell Newman Asset Management Inc5,368$2.61M0.25%+101+1.9%Added
Bank of Nova Scotia5,385$2.62M0.00%−17,997−77.0%Reduced
Intrust Bank NA5,504$2.67M0.34%+123+2.3%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund5,517$2.68M0.03%−3,700−40.1%Reduced
FourThought Financial, LLC5,548$2.70M0.34%+275+5.2%Added
Texas Permanent School Fund5,620$2.73M0.04%−356−6.0%Reduced
O'Neil Global Advisors, Inc.5,642$2.74M1.42%+5,642New
CIBC Private Wealth Group, LLC5,684$2.76M0.01%−117,491−95.4%Reduced
Geneva Capital Management LLC5,693$2.77M0.05%+2,507+78.7%Added
Acadian Asset Management LLC5,803$2.81M0.01%−4,657−44.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys5,797$2.81M0.03%+359+6.6%Added
First Republic Investment Management, Inc.6,008$2.92M0.01%−120−2.0%Reduced
Public Sector Pension Investment Board6,060$2.94M0.02%−1,170−16.2%Reduced
Beacon Pointe Advisors, LLC6,072$2.95M0.04%+5,333+721.7%Added
Point72 Hong Kong Ltd6,117$2.97M0.27%+6,117New
Steward Partners Investment Advisory, LLC6,265$3.04M0.05%+587+10.3%Added
Mackay Shields LLC6,306$3.06M0.03%−246−3.8%Reduced
Parallax Volatility Advisers, L.P.6,332$3.08M0.07%+5,562+722.3%Added
IFM Investors Pty Ltd6,470$3.14M0.05%+1,087+20.2%Added
Handelsbanken Fonder AB6,544$3.18M0.02%−800−10.9%Reduced
British Columbia Investment Management Corp6,759$3.28M0.02%−918−12.0%Reduced
Jump Financial, LLC6,900$3.35M0.14%+4,556+194.4%Added
State of Tennessee, Treasury Department6,936$3.37M0.01%−5,100−42.4%Reduced
Squarepoint Ops LLC7,016$3.41M0.03%+1,693+31.8%Added
ING Groep NV7,027$3.41M0.03%+1,188+20.3%Added
Fifth Third Bancorp7,148$3.47M0.01%+1,105+18.3%Added
CIBC World Markets Inc.7,189$3.49M0.01%+6,772+1,624.0%Added
Mutual of America Capital Management LLC7,303$3.55M0.04%+61+0.8%Added
Brinker Capital Investments, LLC7,535$3.66M0.06%+763+11.3%Added
Xponance, Inc.7,543$3.66M0.06%+205+2.8%Added
MML Investors Services, LLC7,846$3.81M0.03%+863+12.4%Added
Azzad Asset Management Inc7,853$3.81M0.55%+607+8.4%Added
Stratos Wealth Partners, LTD.7,966$3.87M0.09%+141+1.8%Added
Federated Hermes, Inc.8,018$3.89M0.01%−47,114−85.5%Reduced
Utah Retirement Systems8,126$3.95M0.05%+31+0.4%Added