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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 2023

Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 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
669
+68 vs. Q4 2022
Shares held
47.2M
+427.4K (+0.9%) vs. Q4 2022
Total value
$23.3B
+$6.76B (+40.9%) vs. Q4 2022
New holders
128
233 more added
Sold out
60
230 more reduced

10 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 669 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 2023: $23.3B
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 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2022.

Institutions holding MPWR in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
La Financiere de L'Echiquier9,575$4.79M0.25%+1,575+19.7%Added
Tredje AP-fonden9,456$4.73M0.07%+470+5.2%Added
Korea Investment CORP9,439$4.72M0.01%−1,119−10.6%Reduced
Forsta Ap-Fonden9,400$4.71M0.06%−1,500−13.8%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main9,368$4.69M0.01%+9,368New
Texas Permanent School Fund9,325$4.67M0.05%+2,994+47.3%Added
Acadian Asset Management LLC9,277$4.64M0.02%−25,675−73.5%Reduced
Andra AP-fonden9,200$4.60M0.12%−900−8.9%Reduced
Marshall Wace, LLP9,133$4.57M0.01%+9,133New
MML Investors Services, LLC8,806$4.41M0.03%−1,294−12.8%Reduced
First Hawaiian Bank8,760$4.38M0.15%−720−7.6%Reduced
Azzad Asset Management Inc8,641$4.33M0.62%+10.0%Added
IFM Investors Pty Ltd8,416$4.21M0.06%+319+3.9%Added
Yousif Capital Management, LLC8,232$4.12M0.05%−401−4.6%Reduced
Prospera Financial Services Inc8,146$4.08M0.17%+8,146New
Utah Retirement Systems8,128$4.07M0.06%+50+0.6%Added
Squarepoint Ops LLC7,981$3.99M0.03%−85,066−91.4%Reduced
Stratos Wealth Partners, LTD.7,895$3.95M0.11%−253−3.1%Reduced
Taylor Frigon Capital Management LLC7,853$3.93M2.15%−3,654−31.8%Reduced
Mutual of America Capital Management LLC7,853$3.93M0.05%+32+0.4%Added
Larson Financial Group LLC7,853$3.93M0.43%+45+0.6%Added
Skandinaviska Enskilda Banken AB (publ)7,803$3.91M0.03%−235−2.9%Reduced
Level Four Advisory Services, LLC7,702$3.86M0.25%−735−8.7%Reduced
Public Sector Pension Investment Board7,621$3.81M0.03%−275−3.5%Reduced
ING Groep NV7,605$3.81M0.04%+7,023+1,206.7%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,587$3.80M0.03%+49+0.7%Added
PDT Partners, LLC7,565$3.79M0.51%+5,912+357.7%Added
Bahl & Gaynor Inc7,473$3.74M0.02%−1,112−13.0%Reduced
Truist Financial Corp7,431$3.72M0.01%−1,085−12.7%Reduced
Financial Counselors Inc7,415$3.71M0.08%−1,968−21.0%Reduced
LGT Group Foundation7,343$3.68M0.11%+83+1.1%Added
Aviva PLC7,334$3.67M0.02%−10,555−59.0%Reduced
Mackenzie Financial Corp7,328$3.67M0.01%+4,146+130.3%Added
Oregon Public Employees Retirement Fund7,221$3.61M0.04%−333−4.4%Reduced
American Capital Management Inc7,160$3.58M0.13%−30−0.4%Reduced
Gotham Asset Management, LLC7,102$3.55M0.09%+469+7.1%Added
Handelsbanken Fonder AB6,944$3.48M0.02%+1,600+29.9%Added
Bellwether Advisors, LLC6,935$3.47M0.95%+6,935New
FourThought Financial Partners, LLC6,910$3.46M0.47%−240−3.4%Reduced
AXA S.A.6,826$3.42M0.01%−1,545−18.5%Reduced
Guggenheim Capital LLC6,723$3.37M0.03%+1,350+25.1%Added
Comgest Global Investors S.A.S.6,692$3.35M0.06%+6,692New
Cinctive Capital Management LP6,540$3.27M0.12%−7,439−53.2%Reduced
CIBC Asset Management Inc6,516$3.26M0.01%+81+1.3%Added
Weiss Multi-Strategy Advisers LLC6,500$3.25M0.08%−910−12.3%Reduced
New York Life Investment Management LLC6,419$3.21M0.04%+39+0.6%Added
Oppenheimer Asset Management Inc.6,415$3.21M0.05%−983−13.3%Reduced
The PNC Financial Services Group, Inc.6,390$3.20M0.00%−1,125−15.0%Reduced
Hel Ved Capital Management Ltd6,300$3.15M1.68%+6,300New
Candriam Luxembourg S.C.A.6,841$3.15M0.02%+6,841New
Steward Partners Investment Advisory, LLC6,244$3.13M0.05%+53+0.9%Added
Campbell Newman Asset Management Inc5,985$3.00M0.29%+53+0.9%Added
Brinker Capital Investments, LLC5,963$2.98M0.04%−1,358−18.5%Reduced
Orion Portfolio Solutions, LLC5,963$2.98M0.04%+5,963New
ICICI Prudential Asset Management Co Ltd5,850$2.93M0.44%+5,850New
Gulf International Bank (UK) Ltd5,816$2.91M0.06%−2,443−29.6%Reduced
Verition Fund Management LLC5,775$2.89M0.05%+2,752+91.0%Added
Janus Henderson Group PLC5,777$2.89M0.00%+1,167+25.3%Added
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna5,800$2.89M1.68%+5,390+1,314.6%Added
Redwood Investments, LLC5,726$2.87M0.37%+4,098+251.7%Added
Linden Thomas Advisory Services, LLC5,620$2.81M0.70%+296+5.6%Added
Alberta Investment Management Corp5,609$2.81M0.03%+177+3.3%Added
Czech National Bank5,272$2.64M0.07%+52+1.0%Added
Empowered Funds, LLC5,252$2.63M0.16%+4,393+511.4%Added
Engineers Gate Manager LP5,158$2.58M0.11%+5,158New
Values First Advisors, Inc.5,151$2.58M1.64%+216+4.4%Added
Creative Planning5,151$2.58M0.00%+169+3.4%Added
PFG Advisors5,112$2.56M0.21%−361−6.6%Reduced
Nissay Asset Management Corp5,010$2.51M0.02%+27+0.5%Added
Swiss Life Asset Management Ltd4,985$2.50M0.04%−82−1.6%Reduced
Teacher Retirement System of Texas4,960$2.48M0.02%−3,047−38.1%Reduced
GWM Advisors LLC4,885$2.45M0.03%−632−11.5%Reduced
CIBC World Markets Corp4,875$2.44M0.04%−8,420−63.3%Reduced
Intrust Bank NA4,749$2.38M0.30%−143−2.9%Reduced
USS Investment Management Ltd4,700$2.35M0.03%00.0%Unchanged
Janney Montgomery Scott LLC4,605$2.31M0.01%−18,773−80.3%Reduced
Coldstream Capital Management Inc4,560$2.28M0.08%+78+1.7%Added
First Republic Investment Management, Inc.4,545$2.27M0.00%−21−0.5%Reduced
Ardsley Advisory Partners LP4,500$2.25M0.49%+4,500New
Daiwa Securities Group Inc.4,457$2.23M0.02%+291+7.0%Added
Chartwell Investment Partners, LLC4,418$2.21M0.08%00.0%Unchanged
B. Metzler seel. Sohn & Co. AG4,415$2.21M0.03%+274+6.6%Added
National Bank of Canada4,365$2.18M0.01%−1,789−29.1%Reduced
Mariner, LLC4,286$2.15M0.01%−28−0.6%Reduced
Bayesian Capital Management, LP4,100$2.05M0.25%+600+17.1%Added
Jefferies Financial Group Inc.4,000$2.00M0.04%+4,000New
Teachers Retirement System of the State of Kentucky3,995$2.00M0.02%00.0%Unchanged
Hartford Investment Management Co3,982$1.99M0.07%+539+15.7%Added
British Columbia Investment Management Corp3,970$1.99M0.02%+34+0.9%Added
M&T Bank Corp3,949$1.98M0.01%+434+12.3%Added
Renaissance Group LLC3,926$1.97M0.09%+264+7.2%Added
Aquatic Capital Management LLC3,900$1.95M0.12%+3,900New
Bessemer Group Inc3,890$1.95M0.00%−51−1.3%Reduced
F/M Investments LLC3,878$1.94M1.96%+196+5.3%Added
CI Private Wealth, LLC3,875$1.94M0.01%+959+32.9%Added
Securian Asset Management, Inc3,850$1.93M0.05%00.0%Unchanged
Hood River Capital Management LLC3,849$1.93M0.06%+3,849New
Executive Wealth Management, LLC3,778$1.89M0.21%−887−19.0%Reduced
Redhawk Wealth Advisors, Inc.3,705$1.85M0.62%+39+1.1%Added
Cim, LLC3,684$1.84M0.37%+2+0.1%Added