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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, 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
Penserra Capital Management LLC2,850$1.06M0.02%−706−19.9%Reduced
Steward Partners Investment Advisory, LLC2,786$1.04M0.02%+299+12.0%Added
Sumitomo Mitsui DS Asset Management Company, Ltd2,708$1.01M0.02%00.0%Unchanged
Louisiana State Employees Retirement System2,700$1.01M0.02%00.0%Unchanged
Atria Investments LLC2,700$1.01M0.02%+2,700New
Mount Yale Investment Advisors, LLC2,682$1.00M0.12%−19−0.7%Reduced
We Are One Seven, LLC2,619$978.0K0.14%+7+0.3%Added
Commonwealth Equity Services, LLC2,600$971.0K0.00%+428+19.7%Added
Redhawk Wealth Advisors, Inc.2,565$958.0K0.21%+245+10.6%Added
M&T Bank Corp2,553$954.0K0.00%+497+24.2%Added
Alps Advisors Inc2,513$938.0K0.01%−55−2.1%Reduced
Kentucky Retirement Systems2,504$935.0K0.04%+27+1.1%Added
Central Trust Co2,492$930.0K0.03%−570−18.6%Reduced
Acadian Asset Management LLC2,453$917.0K0.00%−36,146−93.6%Reduced
GWM Advisors LLC2,453$916.0K0.02%+207+9.2%Added
Sciencast Management LP2,367$904.0K0.19%+1,692+250.7%Added
Great Lakes Advisors, LLC2,376$887.0K0.01%−92−3.7%Reduced
Pacer Advisors, Inc.2,372$886.0K0.01%−85−3.5%Reduced
Illinois Municipal Retirement Fund2,373$886.0K0.04%00.0%Unchanged
Nordea Investment Management AB2,273$849.0K0.00%−142−5.9%Reduced
Daiwa Securities Group Inc.2,263$845.0K0.01%−738−24.6%Reduced
Storebrand Asset Management AS2,201$822.0K0.00%+243+12.4%Added
Donoghue Forlines LLC2,193$819.0K0.15%+196+9.8%Added
Profund Advisors LLC2,167$809.0K0.03%+9+0.4%Added
Creative Planning2,117$791.0K0.00%−127,047−98.4%Reduced
First Citizens Bank & Trust Co2,102$785.0K0.04%−4,406−67.7%Reduced
Natixis2,079$776.0K0.00%+2,079New
Green Alpha Advisors, LLC2,049$765.0K0.52%−327−13.8%Reduced
Mackenzie Financial Corp2,010$751.0K0.00%+452+29.0%Added
Bessemer Group Inc1,998$746.0K0.00%−126−5.9%Reduced
AE Wealth Management LLC1,998$746.0K0.01%+1,998New
Integrated Investment Consultants, LLC1,966$734.0K0.22%−67−3.3%Reduced
Northwestern Mutual Investment Management Company, LLC1,953$729.0K0.01%+9+0.5%Added
Pathstone Family Office, LLC1,911$715.0K0.02%−278−12.7%Reduced
Park Avenue Securities LLC1,890$706.0K0.01%+106+5.9%Added
HMS Capital Management, LLC1,883$703.0K0.32%+6+0.3%Added
Ontario Teachers Pension Plan Board1,825$682.0K0.01%+298+19.5%Added
Everence Capital Management Inc1,810$676.0K0.06%00.0%Unchanged
Symmetry Partners, LLC1,730$646.0K0.04%00.0%Unchanged
Leelyn Smith, LLC1,730$646.0K0.19%+1,730New
Raymond James Trust N.A.1,708$638.0K0.02%−85−4.7%Reduced
E. Ohman J:or Asset Management AB1,700$634.9K0.02%+1,000+142.9%Added
Northwest & Ethical Investments L.P.1,635$610.6K0.02%00.0%Unchanged
Mercer Global Advisors Inc1,608$601.0K0.00%+573+55.4%Added
The PNC Financial Services Group, Inc.1,593$594.0K0.00%+48+3.1%Added
Paloma Partners Management Co1,562$584.0K0.02%−1,016−39.4%Reduced
Integrated Advisors Network LLC1,536$574.0K0.04%+237+18.2%Added
Connable Office Inc1,503$561.0K0.08%−240−13.8%Reduced
Cigna Investments Inc1,495$558.0K0.04%−100−6.3%Reduced
NN Investment Partners Holdings N.V.1,464$547.0K0.00%−6,361−81.3%Reduced
Hillsdale Investment Management Inc.1,430$534.0K0.04%−30−2.1%Reduced
Two Sigma Advisers, LP1,400$523.0K0.00%−7,000−83.3%Reduced
Kestra Advisory Services, LLC1,397$522.0K0.01%+5+0.4%Added
Vestcor Inc1,387$518.0K0.02%−78−5.3%Reduced
Cliftonlarsonallen Wealth Advisors, LLC1,362$509.0K0.02%+1,362New
Capula Management Ltd1,358$507.0K0.09%+1,358New
HighPoint Advisor Group LLC1,340$500.0K0.05%+428+46.9%Added
Yorktown Management & Research Co Inc1,300$485.0K0.38%−1,700−56.7%Reduced
RMR Wealth Builders1,297$485.0K0.16%00.0%Unchanged
BP PLC1,288$481.0K0.02%00.0%Unchanged
Polar Asset Management Partners Inc.1,285$480.0K0.01%+1,285New
Claraphi Advisory Network, LLC1,277$477.0K0.14%−1,074−45.7%Reduced
IBM Retirement Fund1,262$471.0K0.04%−228−15.3%Reduced
Baker Tilly Wealth Management, LLC1,236$462.0K0.07%+258+26.4%Added
Canandaigua National Corp1,194$446.0K0.07%−76−6.0%Reduced
Covenant Partners, LLC1,195$446.0K0.17%00.0%Unchanged
Goodwin Daniel L1,205$446.0K0.21%+1,205New
Bamco Inc1,180$441.0K0.00%+1,180New
RFG Advisory, LLC1,158$433.0K0.04%−60−4.9%Reduced
Shay Capital LLC1,150$429.0K0.10%+150+15.0%Added
Aigen Investment Management, LP1,150$429.0K0.07%+1,150New
Change Path, LLC1,147$428.0K0.03%+1,147New
Redwood Investments, LLC1,120$418.0K0.03%−228−16.9%Reduced
Kentucky Retirement Systems Insurance Trust Fund1,119$418.0K0.04%−16−1.4%Reduced
Advisor Partners LLC1,106$413.0K0.03%+23+2.1%Added
Cullen/Frost Bankers, Inc.1,057$395.0K0.01%+157+17.4%Added
Beacon Pointe Advisors, LLC1,053$393.0K0.01%+300+39.8%Added
Pinnacle Financial Partners Inc1,051$392.0K0.02%−1−0.1%Reduced
Pinnacle Wealth Advisors1,051$392.0K0.02%+1,051New
American Portfolios Advisors1,046$390.6K0.02%+20+1.9%Added
Banco Bilbao Vizcaya Argentaria, S.A.1,035$387.0K0.01%+84+8.8%Added
Tower Research Capital LLC (TRC)1,020$381.0K0.01%−2,953−74.3%Reduced
Redpoint Investment Management Pty Ltd1,021$381.0K0.03%00.0%Unchanged
Wealthfront Advisers LLC1,008$376.0K0.00%−1,752−63.5%Reduced
FDx Advisors, Inc.1,006$376.0K0.01%+43+4.5%Added
Values First Advisors, Inc.943$352.0K0.24%+47+5.2%Added
Corient Capital Partners, LLC915$342.0K0.02%+92+11.2%Added
Seeyond914$341.0K0.03%+4+0.4%Added
YorkBridge Wealth Partners, LLC898$335.0K0.09%+11+1.2%Added
Marino, Stram & Associates LLC898$335.0K0.09%+898New
Legacy Wealth Asset Management, LLC892$333.0K0.15%−70−7.3%Reduced
Weld Capital Management LLC883$330.0K0.33%+883New
Stonnington Group, LLC879$328.0K0.07%00.0%Unchanged
Federation des caisses Desjardins du Quebec877$327.3K0.00%−114−11.5%Reduced
NEXT Financial Group, Inc857$321.0K0.03%−27−3.1%Reduced
World Asset Management Inc820$306.0K0.03%−29−3.4%Reduced
Private Advisor Group, LLC817$305.0K0.00%+128+18.6%Added
Cetera Investment Advisers810$302.0K0.00%−98−10.8%Reduced
AlphaCrest Capital Management LLC801$299.0K0.01%−619−43.6%Reduced
Greenleaf Trust776$290.0K0.00%+120+18.3%Added