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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 2023

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 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
655
+6 vs. Q2 2023
Shares held
46.0M
−638.8K (−1.4%) vs. Q2 2023
Total value
$21.2B
−$3.93B (−15.6%) vs. Q2 2023
New holders
70
265 more added
Sold out
64
240 more reduced

3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 655 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 2023: $21.2B
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 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2023.

Institutions holding MPWR in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Pitcairn Co1,827$844.1K0.07%+699+62.0%Added
Kentucky Retirement Systems Insurance Trust Fund1,883$869.9K0.07%+266+16.5%Added
Knowledge Leaders Capital, LLC1,940$896.3K1.32%+593+44.0%Added
Voloridge Investment Management, LLC1,945$898.6K0.00%+1,945New
Integrated Wealth Concepts LLC1,952$901.8K0.02%−23−1.2%Reduced
Steel Peak Wealth Management LLC1,953$904.2K0.06%+1,432+274.9%Added
Metropolitan Life Insurance Co1,977$913.4K0.05%+13+0.7%Added
Cetera Advisors LLC2,030$938.0K0.01%+1,049+106.9%Added
Captrust Financial Advisors2,037$941.1K0.00%−715−26.0%Reduced
Wealth Enhancement Advisory Services, LLC2,042$943.3K0.00%+2,042New
SG Americas Securities, LLC2,084$963.0K0.01%−8,851−80.9%Reduced
Riverstone Advisors, LLC2,166$1.00M0.69%+36+1.7%Added
Intech Investment Management LLC2,180$1.01M0.01%−68,275−96.9%Reduced
E. Ohman J:or Asset Management AB2,200$1.02M0.04%+1,000+83.3%Added
Pathstone Family Office, LLC2,197$1.02M0.01%+141+6.9%Added
Millennium Management LLC2,272$1.05M0.00%−21,204−90.3%Reduced
New Mexico Educational Retirement Board2,300$1.06M0.05%+100+4.5%Added
Advisor OS, LLC2,308$1.07M0.16%−26−1.1%Reduced
Keybank National Association2,338$1.08M0.01%−104−4.3%Reduced
Dai-Ichi Life Insurance Company, Ltd2,368$1.09M0.02%+105+4.6%Added
Patton Fund Management, Inc.2,394$1.11M0.30%−1,302−35.2%Reduced
Leelyn Smith, LLC2,427$1.12M0.27%−5−0.2%Reduced
Oak Ridge Investments LLC2,485$1.15M0.15%−5−0.2%Reduced
Polen Capital Management LLC2,489$1.15M0.00%+25+1.0%Added
Parallax Volatility Advisers, L.P.2,508$1.16M0.04%+1,204+92.3%Added
RPg Family Wealth Advisory, LLC2,610$1.21M0.50%+141+5.7%Added
CIBC World Markets Corp2,637$1.22M0.01%−2,646−50.1%Reduced
XTX Topco Ltd2,655$1.23M0.21%+2,655New
Cresset Asset Management, LLC2,674$1.24M0.01%+250+10.3%Added
Westover Capital Advisors, LLC2,705$1.25M0.45%−224−7.6%Reduced
Commerce Bank2,740$1.27M0.01%+552+25.2%Added
Commonwealth Equity Services, LLC2,851$1.32M0.00%+165+6.1%Added
Nordea Investment Management AB2,865$1.33M0.00%00.0%Unchanged
TD Private Client Wealth LLC2,884$1.33M0.06%−119−4.0%Reduced
Pier 88 Investment Partners LLC2,920$1.35M0.34%+250+9.4%Added
Profund Advisors LLC2,932$1.35M0.07%+210+7.7%Added
Metis Global Partners, LLC2,937$1.36M0.07%+265+9.9%Added
Legato Capital Management LLC2,995$1.38M0.20%−149−4.7%Reduced
Louisiana State Employees Retirement System3,000$1.39M0.03%+200+7.1%Added
HMS Capital Management, LLC3,075$1.42M0.94%−107−3.4%Reduced
Next Century Growth Investors LLC3,084$1.42M0.15%00.0%Unchanged
Dynamic Technology Lab Private Ltd3,152$1.46M0.15%+3,152New
Mirabella Financial Services LLP3,163$1.46M0.21%+3,163New
Atria Investments LLC3,172$1.47M0.03%+140+4.6%Added
SRN Advisors, LLC3,260$1.51M1.49%+106+3.4%Added
Torray LLC3,312$1.53M0.27%+76+2.3%Added
Advisor Partners II, LLC3,327$1.54M0.06%+73+2.2%Added
Kingswood Wealth Advisors, LLC3,382$1.56M0.27%+3,382New
Mackenzie Financial Corp3,481$1.56M0.00%−19−0.5%Reduced
Park Avenue Securities LLC3,411$1.58M0.02%+3,411New
Securian Asset Management, Inc3,419$1.58M0.05%−431−11.2%Reduced
M&T Bank Corp3,457$1.60M0.01%−98−2.8%Reduced
Maryland State Retirement & Pension System3,464$1.60M0.04%00.0%Unchanged
Hartford Investment Management Co3,468$1.60M0.06%+95+2.8%Added
Teacher Retirement System of Texas3,490$1.61M0.01%+92+2.7%Added
JustInvest LLC3,545$1.64M0.05%+337+10.5%Added
Cim, LLC3,595$1.66M0.32%+55+1.6%Added
Harvest Fund Management Co., Ltd3,640$1.68M0.29%+2,887+383.4%Added
Ardsley Advisory Partners LP3,650$1.69M0.46%−3,100−45.9%Reduced
Bessemer Group Inc3,663$1.69M0.00%−134−3.5%Reduced
Cetera Advisor Networks LLC3,759$1.74M0.01%+448+13.5%Added
Man Group plc–$1.74M0.01%––
Janney Montgomery Scott LLC3,852$1.78M0.01%+210+5.8%Added
Quantinno Capital Management LP3,869$1.79M0.08%+935+31.9%Added
First Republic Investment Management, Inc.3,968$1.83M0.01%−432−9.8%Reduced
Teachers Retirement System of the State of Kentucky3,995$1.84M0.02%00.0%Unchanged
Brinker Capital Investments, LLC4,021$1.86M0.02%+184+4.8%Added
Orion Portfolio Solutions, LLC4,021$1.86M0.02%+184+4.8%Added
Crossmark Global Holdings, Inc.3,800$1.86M0.04%+111+3.0%Added
Executive Wealth Management, LLC4,051$1.87M0.19%+91+2.3%Added
Redhawk Wealth Advisors, Inc.4,086$1.89M0.63%+19+0.5%Added
British Columbia Investment Management Corp4,097$1.89M0.02%+46+1.1%Added
Sumitomo Mitsui DS Asset Management Company, Ltd4,125$1.91M0.03%+94+2.3%Added
Gulf International Bank (UK) Ltd4,129$1.91M0.05%−351−7.8%Reduced
B. Metzler seel. Sohn & Co. AG4,136$1.91M0.03%−3,470−45.6%Reduced
Renaissance Group LLC4,210$1.95M0.09%+52+1.3%Added
Kentucky Retirement Systems4,218$1.95M0.07%+596+16.5%Added
Advisors Asset Management, Inc.4,241$1.96M0.04%+372+9.6%Added
Oppenheimer & Co Inc4,246$1.96M0.04%+261+6.5%Added
Chartwell Investment Partners, LLC4,254$1.97M0.08%+589+16.1%Added
Linden Thomas Advisory Services, LLC4,261$1.97M0.44%−1,466−25.6%Reduced
Bank of Nova Scotia4,300$1.99M0.01%+667+18.4%Added
ExodusPoint Capital Management, LP4,378$2.02M0.03%+886+25.4%Added
Assetmark, Inc4,465$2.06M0.01%+664+17.5%Added
Mariner, LLC4,511$2.08M0.01%+137+3.1%Added
Coldstream Capital Management Inc4,581$2.12M0.07%+47+1.0%Added
Values First Advisors, Inc.4,601$2.13M1.37%−84−1.8%Reduced
Intrust Bank NA4,659$2.15M0.27%−98−2.1%Reduced
USS Investment Management Ltd4,700$2.17M0.02%00.0%Unchanged
Daiwa Securities Group Inc.4,845$2.24M0.02%+323+7.1%Added
Tower Research Capital LLC (TRC)4,855$2.24M0.07%+3,319+216.1%Added
Peapack Gladstone Financial Corp4,874$2.25M0.04%+2,523+107.3%Added
Janus Henderson Group PLC5,033$2.33M0.00%−186−3.6%Reduced
Steward Partners Investment Advisory, LLC5,068$2.34M0.04%−961−15.9%Reduced
CWM Advisors, LLC5,077$2.35M0.30%+4,344+592.6%Added
BI Asset Management Fondsmaeglerselskab A/S5,113$2.36M0.05%+4,323+547.2%Added
Public Sector Pension Investment Board5,118$2.36M0.02%−2,002−28.1%Reduced
FourThought Financial Partners, LLC5,130$2.37M0.33%−467−8.3%Reduced
PFG Advisors5,185$2.40M0.22%−36−0.7%Reduced
Creative Planning5,301$2.45M0.00%−65−1.2%Reduced