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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, Q4 2024

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2024. 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
864
−6 vs. Q3 2024
Shares held
46.5M
+350.5K (+0.8%) vs. Q3 2024
Total value
$27.6B
−$15.0B (−35.3%) vs. Q3 2024
New holders
153
321 more added
Sold out
159
291 more reduced

15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 864 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 heldQ4 2024: $27.6B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2024.

Institutions holding MPWR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Swedbank AB14,800$8.76M0.01%+4,400+42.3%Added
Nomura Holdings Inc14,586$8.63M0.05%+14,586New
Edgestream Partners, L.P.14,540$8.60M0.37%+14,540New
Harvest Fund Management Co., Ltd14,535$8.60M0.40%+6,306+76.6%Added
Arizona State Retirement System14,140$8.37M0.05%+195+1.4%Added
State of Michigan Retirement System14,070$8.33M0.04%00.0%Unchanged
Hancock Whitney Corp13,957$8.26M0.26%+13,957New
Pathstone Holdings, LLC13,690$8.10M0.04%−795−5.5%Reduced
USS Investment Management Ltd13,532$8.01M0.06%−1,861−12.1%Reduced
Quest Investment Management LLC13,534$8.01M0.93%−648−4.6%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.13,463$7.97M0.08%−244−1.8%Reduced
Storebrand Asset Management AS13,267$7.85M0.02%−6,518−32.9%Reduced
Avalon Global Asset Management LLC13,000$7.69M2.16%+13,000New
Commonwealth Equity Services, LLC12,970$7.67M0.01%+8,516+191.2%Added
Corebridge Financial, Inc.12,889$7.63M0.04%−72−0.6%Reduced
Nicholas Investment Partners, LP12,486$7.39M0.65%−4,726−27.5%Reduced
Raiffeisen Bank International AG12,194$7.36M0.11%+12,194New
D. E. Shaw & Co., Inc.12,306$7.28M0.01%−17,987−59.4%Reduced
LMR Partners LLP11,848$7.01M0.12%+11,848New
State of Tennessee, Treasury Department11,845$7.01M0.03%+197+1.7%Added
Xponance, Inc.11,737$6.94M0.06%+836+7.7%Added
Silvant Capital Management LLC11,440$6.77M0.28%00.0%Unchanged
Blair William & Co11,358$6.72M0.02%+1,759+18.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main11,187$6.62M0.01%+2,389+27.2%Added
Los Angeles Capital Management LLC11,178$6.61M0.03%−8,778−44.0%Reduced
UniSuper Management Pty Ltd10,842$6.42M0.05%+1,637+17.8%Added
Quantinno Capital Management LP10,589$6.27M0.06%+2,927+38.2%Added
Czech National Bank10,583$6.26M0.06%+652+6.6%Added
Retirement Systems of Alabama10,560$6.25M0.02%−67−0.6%Reduced
Comerica Bank10,509$6.22M0.03%−131−1.2%Reduced
Westwood Holdings Group Inc.10,467$6.19M0.05%−33−0.3%Reduced
Forsta Ap-Fonden10,400$6.15M0.04%+200+2.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,372$6.14M0.04%−241−2.3%Reduced
NorthCrest Asset Manangement, LLC10,232$6.05M0.18%−16−0.2%Reduced
Mirabella Financial Services LLP10,021$5.93M0.54%+10,021New
Amalgamated Bank9,957$5.89M0.05%−375−3.6%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund9,898$5.86M0.06%+200+2.1%Added
GWM Advisors LLC9,851$5.83M0.04%−779−7.3%Reduced
The PNC Financial Services Group, Inc.9,444$5.59M0.00%−695−6.9%Reduced
Mariner, LLC9,443$5.59M0.01%−1,016−9.7%Reduced
Cambridge Investment Research Advisors, Inc.9,367$5.54M0.02%+7,594+428.3%Added
Stratos Wealth Partners, LTD.9,352$5.53M0.08%−157−1.7%Reduced
British Columbia Investment Management Corp9,337$5.52M0.03%+1,213+14.9%Added
IFM Investors Pty Ltd8,975$5.31M0.05%−559−5.9%Reduced
Advisors Asset Management, Inc.8,968$5.31M0.10%−158−1.7%Reduced
Cetera Investment Advisers8,938$5.29M0.01%+1,465+19.6%Added
Bokf, NA8,705$5.15M0.09%−1,440−14.2%Reduced
Daiwa Securities Group Inc.8,631$5.11M0.02%−30.0%Reduced
Engineers Gate Manager LP8,560$5.06M0.09%−10,312−54.6%Reduced
Kornitzer Capital Management Inc8,527$5.05M0.10%00.0%Unchanged
Creative Planning8,519$5.04M0.00%+1,246+17.1%Added
Level Four Advisory Services, LLC8,509$5.04M0.21%+646+8.2%Added
Bamco Inc8,503$5.03M0.01%−19,412−69.5%Reduced
4D Advisors, LLC8,500$5.03M3.53%+8,500New
Norden Group LLC8,398$4.97M0.56%+6,849+442.2%Added
Envestnet Portfolio Solutions, Inc.8,298$4.91M0.02%+1,565+23.2%Added
Tredje AP-fonden8,286$4.90M0.04%00.0%Unchanged
Pacer Advisors, Inc.8,193$4.85M0.01%−340−4.0%Reduced
GDS Wealth Management8,168$4.83M0.44%+7,666+1,527.1%Added
Achmea Investment Management B.V.7,950$4.70M0.08%+7,950New
Utah Retirement Systems7,759$4.59M0.05%00.0%Unchanged
CIBC World Markets Corp7,716$4.57M0.03%+1,079+16.3%Added
MML Investors Services, LLC7,554$4.47M0.02%+123+1.7%Added
Larson Financial Group LLC7,518$4.45M0.23%+466+6.6%Added
Acadian Asset Management LLC7,489$4.42M0.01%−941−11.2%Reduced
Truist Financial Corp7,428$4.40M0.01%+2,793+60.3%Added
Tower Research Capital LLC (TRC)7,403$4.38M0.09%+5,137+226.7%Added
CIBC Asset Management Inc7,390$4.37M0.01%+315+4.5%Added
QRG Capital Management, Inc.7,350$4.35M0.04%+687+10.3%Added
Milestone Asset Management, LLC7,316$4.33M0.96%+5,582+321.9%Added
Fifth Third Bancorp7,234$4.28M0.02%−1,887−20.7%Reduced
New York Life Investment Management LLC7,221$4.27M0.04%+32+0.4%Added
American Capital Management Inc7,116$4.21M0.16%−25−0.4%Reduced
CWM Advisors, LLC7,114$4.21M0.47%+256+3.7%Added
Financial Counselors Inc7,022$4.15M0.06%+269+4.0%Added
Police & Firemen's Retirement System of New Jersey6,812$4.03M0.04%+6,812New
Twin Tree Management, LP6,757$4.00M0.10%+6,744+51,876.9%Added
GTS Securities LLC6,721$3.98M0.19%+5,097+313.9%Added
KP Management LLC6,500$3.85M1.35%00.0%Unchanged
Mutual of America Capital Management LLC6,426$3.80M0.04%−213−3.2%Reduced
Concentric Capital Strategies, LP6,371$3.77M0.24%+6,371New
Advisor Group Holdings, Inc.10,388$3.70M0.01%+1,939+22.9%Added
HighTower Advisors, LLC6,206$3.67M0.01%−314−4.8%Reduced
Intact Investment Management Inc.6,200$3.67M0.13%+6,200New
Generali Asset Management SPA SGR5,986$3.54M0.09%+5,986New
Janus Henderson Group PLC5,945$3.52M0.00%−51−0.9%Reduced
Mackenzie Financial Corp5,942$3.52M0.00%+828+16.2%Added
Wealthfront Advisers LLC5,911$3.50M0.01%−496−7.7%Reduced
GKV Capital Management Co., Inc.5,846$3.46M1.41%+5,846New
Pinebridge Investments, L.P.5,845$3.46M0.03%−916−13.5%Reduced
Yousif Capital Management, LLC5,786$3.42M0.04%−2,252−28.0%Reduced
Oak Ridge Investments LLC5,767$3.41M0.27%−873−13.1%Reduced
Knollwood Investment Advisory, LLC5,685$3.36M0.35%−1,500−20.9%Reduced
Summit Global Investments5,614$3.32M0.21%+5,378+2,278.8%Added
Taylor Frigon Capital Management LLC5,583$3.30M1.67%+1,156+26.1%Added
State of Alaska, Department of Revenue5,564$3.29M0.04%−3,440−38.2%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna5,390$3.25M1.29%−139−2.5%Reduced
Mercer Global Advisors Inc5,410$3.20M0.01%+500+10.2%Added
Peak Financial Advisors LLC5,410$3.20M1.66%+5,410New
ICICI Prudential Asset Management Co Ltd5,377$3.18M0.35%+5,377New