Skip to main content

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, Q2 2021

Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2021. 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
533
+10 vs. Q1 2021
Shares held
43.1M
+1.24M (+3.0%) vs. Q1 2021
Total value
$16.1B
+$1.31B (+8.9%) vs. Q1 2021
New holders
62
214 more added
Sold out
52
186 more reduced

7 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 533 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 heldQ2 2021: $16.1B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2021.

Institutions holding MPWR in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
TownSquare Capital, LLC6,819$2.62M0.08%+1,665+32.3%Added
La Financiere de L'Echiquier7,000$2.62M0.10%+4,000+133.3%Added
Skandinaviska Enskilda Banken AB (publ)7,129$2.66M0.02%−71−1.0%Reduced
Mutual of America Capital Management LLC7,130$2.66M0.03%+20.0%Added
Capital Impact Advisors, LLC7,135$2.67M0.86%00.0%Unchanged
Azzad Asset Management Inc7,137$2.67M0.40%+217+3.1%Added
Texas Permanent School Fund7,145$2.67M0.03%−16−0.2%Reduced
First Hawaiian Bank7,200$2.69M0.11%+560+8.4%Added
Metropolitan Life Insurance Co7,352$2.75M0.04%−173−2.3%Reduced
Handelsbanken Fonder AB7,444$2.78M0.01%00.0%Unchanged
Stratos Wealth Partners, LTD.7,456$2.79M0.07%+98+1.3%Added
Arabesque Asset Management Ltd7,931$2.96M1.26%+7,931New
British Columbia Investment Management Corp7,970$2.98M0.02%+939+13.4%Added
Healthcare of Ontario Pension Plan Trust Fund8,064$3.01M0.01%+7,991+10,946.6%Added
Tudor Investment Corp Et Al8,264$3.09M0.06%+8,264New
Caisse de Depot Et Placement du Quebec8,395$3.13M0.01%+8,395New
Utah Retirement Systems8,556$3.19M0.04%+260+3.1%Added
Engineers Gate Manager LP8,655$3.23M0.21%+5,605+183.8%Added
KBC Group NV8,687$3.24M0.01%−44,582−83.7%Reduced
Executive Wealth Management, LLC8,708$3.25M0.36%+208+2.4%Added
Advisors Asset Management, Inc.8,838$3.30M0.05%−6,027−40.5%Reduced
Twinbeech Capital LP8,910$3.33M0.40%+5,860+192.1%Added
Midwest Wealth Management Inc.9,082$3.39M2.42%−115−1.3%Reduced
Marshall Wace, LLP9,216$3.44M0.02%+7,428+415.4%Added
Oregon Public Employees Retirement Fund9,261$3.46M0.04%−11,551−55.5%Reduced
Chartwell Investment Partners, LLC9,480$3.54M0.10%00.0%Unchanged
Bank of Nova Scotia9,492$3.54M0.01%+1,418+17.6%Added
Gulf International Bank (UK) Ltd9,555$3.57M0.05%−60−0.6%Reduced
Coldstream Capital Management Inc9,585$3.58M0.14%+5,494+134.3%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund9,700$3.62M0.03%−1,700−14.9%Reduced
Man Group plc9,932$3.71M0.01%−807−7.5%Reduced
Boothbay Fund Management, LLC9,951$3.72M0.15%−385−3.7%Reduced
MetLife Investment Management9,972$3.72M0.03%−247−2.4%Reduced
American Capital Management Inc10,069$3.76M0.11%+71+0.7%Added
Blair William & Co10,256$3.83M0.01%−316−3.0%Reduced
Nisa Investment Advisors, LLC10,530$3.93M0.02%00.0%Unchanged
Truist Financial Corp10,528$3.93M0.01%+705+7.2%Added
Bahl & Gaynor Inc10,539$3.94M0.02%+473+4.7%Added
Susquehanna International Group, LLP10,657$3.98M0.00%−11,413−51.7%Reduced
State of Michigan Retirement System11,100$4.14M0.02%+300+2.8%Added
Granahan Investment Management Inc11,186$4.18M0.08%+3,381+43.3%Added
State of Tennessee, Treasury Department11,742$4.38M0.02%−1,966−14.3%Reduced
Level Four Advisory Services, LLC11,799$4.41M0.30%+535+4.7%Added
Crossmark Global Holdings, Inc.12,019$4.49M0.11%−2,370−16.5%Reduced
Natixis Advisors, L.P.12,035$4.49M0.02%−503−4.0%Reduced
Swiss Life Asset Management Ltd12,080$4.51M0.06%+12,080New
Nomura Asset Management Co Ltd12,125$4.53M0.03%+4,594+61.0%Added
Arizona State Retirement System12,155$4.54M0.04%−197−1.6%Reduced
Covenant Asset Management, LLC12,172$4.55M1.36%+101+0.8%Added
Mirae Asset Global Investments Co., Ltd.12,739$4.76M0.01%+11,431+873.9%Added
Raymond James Financial Services Advisors, Inc.12,857$4.80M0.01%−3,545−21.6%Reduced
ClariVest Asset Management LLC12,950$4.84M0.16%00.0%Unchanged
ProShare Advisors LLC12,963$4.84M0.01%+1,523+13.3%Added
Nomura Holdings Inc12,999$4.86M0.04%+12,999New
AMP Capital Investors Ltd13,317$4.98M0.02%−472−3.4%Reduced
Guggenheim Capital LLC13,406$5.01M0.03%+877+7.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)13,434$5.02M0.03%+631+4.9%Added
American International Group, Inc.13,743$5.13M0.02%−375−2.7%Reduced
Synovus Financial Corp14,192$5.30M0.05%−40.0%Reduced
Standard Life Aberdeen plc14,332$5.35M0.01%−537−3.6%Reduced
Royal London Asset Management Ltd14,921$5.57M0.02%00.0%Unchanged
Zevenbergen Capital Investments LLC14,990$5.60M0.10%−225−1.5%Reduced
Quadrature Capital Ltd15,280$5.71M0.22%+12,296+412.1%Added
Commerce Bank15,423$5.76M0.04%−319−2.0%Reduced
Intrinsic Edge Capital Management LLC15,521$5.80M0.35%+5,000+47.5%Added
Treasurer of the State of North Carolina15,599$5.83M0.03%−560−3.5%Reduced
Retirement Systems of Alabama15,733$5.88M0.02%−263−1.6%Reduced
Next Century Growth Investors LLC15,758$5.88M0.46%−2,118−11.8%Reduced
Taylor Frigon Capital Management LLC15,816$5.91M1.85%−428−2.6%Reduced
Oppenheimer Asset Management Inc.15,842$5.92M0.08%+63+0.4%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.15,863$5.92M0.03%+2,193+16.0%Added
Vontobel Holding Ltd.15,798$5.96M0.05%+2,276+16.8%Added
Amalgamated Bank16,305$6.09M0.05%+7,627+87.9%Added
Schonfeld Strategic Advisors LLC17,000$6.35M0.07%+14,244+516.8%Added
Comerica Bank13,639$6.37M0.04%−682−4.8%Reduced
Aviva PLC17,147$6.40M0.03%−5,376−23.9%Reduced
Stifel Financial Corp17,498$6.53M0.01%+1,320+8.2%Added
Westwood Holdings Group Inc.17,779$6.64M0.07%+1,884+11.9%Added
Sit Investment Associates Inc18,485$6.90M0.17%−1,725−8.5%Reduced
Analog Century Management LP19,000$7.10M2.85%+19,000New
Advisor Group Holdings, Inc.19,611$7.32M0.02%+2,037+11.6%Added
Great West Life Assurance Co19,690$7.35M0.02%−14,070−41.7%Reduced
Amundi20,266$7.57M0.01%+20,266New
Whittier Trust Co of Nevada Inc20,298$7.58M0.32%+626+3.2%Added
Millennium Management LLC21,251$7.94M0.01%−135,440−86.4%Reduced
Korea Investment CORP21,500$8.03M0.02%−5,700−21.0%Reduced
EULAV Asset Management21,565$8.05M0.21%00.0%Unchanged
Robeco Institutional Asset Management B.V.21,631$8.08M0.02%+11,523+114.0%Added
Summit Creek Advisors LLC21,635$8.08M0.97%−760−3.4%Reduced
US Bancorp21,698$8.10M0.02%−1,636−7.0%Reduced
Capital Fund Management S.A.21,882$8.17M0.22%+8,014+57.8%Added
Westpac Banking Corp23,072$8.62M0.09%+1,328+6.1%Added
Asset Management One Co.,Ltd.23,615$8.82M0.03%+4,373+22.7%Added
M&G Investment Management Ltd24,282$9.06M0.05%+24,282New
State of New Jersey Common Pension Fund D24,267$9.06M0.03%−1,422−5.5%Reduced
Snowden Capital Advisors LLC24,835$9.27M0.46%+686+2.8%Added
Cubist Systematic Strategies, LLC24,989$9.33M0.11%+3,119+14.3%Added
Albar Capital Ltd25,489$9.52M3.81%+25,489New
Verition Fund Management LLC25,758$9.62M0.14%+25,758New
Eaton Vance Management25,837$9.65M0.01%+919+3.7%Added