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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 2021

Institutional positions in Monolithic Power Systems, Inc. as of Sep 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
579
+51 vs. Q2 2021
Shares held
43.5M
+487.7K (+1.1%) vs. Q2 2021
Total value
$21.1B
+$5.02B (+31.3%) vs. Q2 2021
New holders
92
183 more added
Sold out
41
222 more reduced

5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 579 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 2021: $21.1B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2021.

Institutions holding MPWR in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Storebrand Asset Management AS2,814$1.36M0.01%+613+27.9%Added
New Mexico Educational Retirement Board2,800$1.36M0.05%−100−3.4%Reduced
Janney Montgomery Scott LLC2,775$1.34M0.01%−927−25.0%Reduced
Mackenzie Financial Corp2,768$1.34M0.00%+758+37.7%Added
Gotham Asset Management, LLC2,709$1.31M0.05%+2,061+318.1%Added
Louisiana State Employees Retirement System2,700$1.31M0.03%00.0%Unchanged
We Are One Seven, LLC2,478$1.30M0.17%−141−5.4%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd2,681$1.30M0.03%−27−1.0%Reduced
Atria Investments LLC2,638$1.28M0.02%−62−2.3%Reduced
Mount Yale Investment Advisors, LLC2,628$1.27M0.15%−54−2.0%Reduced
Commonwealth Equity Services, LLC2,566$1.24M0.00%−34−1.3%Reduced
Nordea Investment Management AB2,511$1.23M0.00%+238+10.5%Added
Kentucky Retirement Systems2,494$1.21M0.06%−10−0.4%Reduced
Shell Asset Management Co2,439$1.18M0.03%−636−20.7%Reduced
CIBC World Markets Corp2,433$1.18M0.01%−4,200−63.3%Reduced
Capula Management Ltd2,397$1.16M0.09%+1,039+76.5%Added
First Citizens Bank & Trust Co2,374$1.15M0.05%+272+12.9%Added
Illinois Municipal Retirement Fund2,373$1.15M0.04%00.0%Unchanged
Profund Advisors LLC2,359$1.14M0.04%+192+8.9%Added
Pacer Advisors, Inc.2,350$1.14M0.01%−22−0.9%Reduced
Central Trust Co2,334$1.13M0.04%−158−6.3%Reduced
AlphaCrest Capital Management LLC2,296$1.11M0.06%+1,495+186.6%Added
Kestra Advisory Services, LLC2,285$1.11M0.01%+888+63.6%Added
Great Lakes Advisors, LLC2,264$1.10M0.02%−112−4.7%Reduced
Tower Research Capital LLC (TRC)2,230$1.08M0.03%+1,210+118.6%Added
FORA Capital, LLC2,159$1.05M0.26%+2,159New
Creative Planning2,149$1.04M0.00%+32+1.5%Added
Pathstone Family Office, LLC2,145$1.04M0.03%+234+12.2%Added
Green Alpha Advisors, LLC2,082$1.01M0.70%+33+1.6%Added
Marshall Wace, LLP2,078$1.01M0.00%−7,138−77.5%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management2,040$989.0K0.06%+2,040New
Dynamic Technology Lab Private Ltd2,014$976.0K0.12%+2,014New
Bessemer Group Inc1,984$961.0K0.00%−14−0.7%Reduced
Alps Advisors Inc1,982$960.0K0.01%−531−21.1%Reduced
Leelyn Smith, LLC1,968$954.0K0.28%+238+13.8%Added
Bamco Inc1,969$954.0K0.00%+789+66.9%Added
Northwestern Mutual Investment Management Company, LLC1,961$950.0K0.02%+8+0.4%Added
D. E. Shaw & Co., Inc.1,922$932.0K0.00%−35,357−94.8%Reduced
Donoghue Forlines LLC1,920$931.0K0.18%−273−12.4%Reduced
Park Avenue Securities LLC1,919$930.0K0.02%+29+1.5%Added
Banque Cantonale Vaudoise1,900$921.0K0.04%+1,900New
HMS Capital Management, LLC1,862$903.0K0.43%−21−1.1%Reduced
Pitcairn Co1,826$885.0K0.06%+1,826New
AE Wealth Management LLC1,824$884.0K0.01%−174−8.7%Reduced
Everence Capital Management Inc1,810$877.0K0.07%00.0%Unchanged
Private Advisor Group, LLC1,810$877.0K0.01%+993+121.5%Added
Mercer Global Advisors Inc1,784$865.0K0.01%+176+10.9%Added
Wolverine Trading, LLC1,700$824.0K0.02%+1,700New
Gsa Capital Partners LLP1,698$823.0K0.08%+1,698New
Cookson Peirce & Co Inc1,687$818.0K0.05%+1,687New
The PNC Financial Services Group, Inc.1,651$799.0K0.00%+58+3.6%Added
Raymond James Trust N.A.1,647$798.0K0.03%−61−3.6%Reduced
Maven Securities LTD1,623$787.0K0.09%+1,623New
Ci Investments Inc.1,616$783.0K0.00%+1,244+334.4%Added
Two Sigma Investments, LP1,600$775.0K0.00%+1,600New
Integrated Advisors Network LLC1,569$760.0K0.05%+33+2.1%Added
Ontario Teachers Pension Plan Board1,550$751.0K0.00%−275−15.1%Reduced
Integrated Investment Consultants, LLC1,518$736.0K0.22%−448−22.8%Reduced
Seeyond1,496$725.0K0.07%+582+63.7%Added
Kemnay Advisory Services Inc.1,459$707.0K0.09%+1,459New
Cigna Investments Inc1,435$696.0K0.05%−60−4.0%Reduced
Wealthfront Advisers LLC1,435$695.0K0.00%+427+42.4%Added
Hillsdale Investment Management Inc.1,430$693.0K0.05%00.0%Unchanged
Cliftonlarsonallen Wealth Advisors, LLC1,362$660.0K0.03%00.0%Unchanged
Connable Office Inc1,341$650.0K0.09%−162−10.8%Reduced
Baker Tilly Wealth Management, LLC1,331$645.0K0.09%+95+7.7%Added
Vestcor Inc1,309$634.0K0.02%−78−5.6%Reduced
HighPoint Advisor Group LLC1,303$632.0K0.06%−37−2.8%Reduced
Yorktown Management & Research Co Inc1,300$630.0K0.47%00.0%Unchanged
PDT Partners, LLC1,300$630.0K0.05%+1,300New
RMR Wealth Builders1,297$629.0K0.18%00.0%Unchanged
Nomura Holdings Inc1,267$613.0K0.00%−11,732−90.3%Reduced
IBM Retirement Fund1,262$612.0K0.05%00.0%Unchanged
Engineers Gate Manager LP1,239$601.0K0.03%−7,416−85.7%Reduced
Covenant Partners, LLC1,195$579.0K0.23%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.1,168$566.0K0.00%+1,168New
Change Path, LLC1,132$548.0K0.03%−15−1.3%Reduced
Redwood Investments, LLC1,120$543.0K0.05%00.0%Unchanged
TrinityPoint Wealth, LLC1,121$543.0K0.10%+1,121New
Kentucky Retirement Systems Insurance Trust Fund1,115$540.0K0.06%−4−0.4%Reduced
Meeder Asset Management Inc1,087$528.0K0.03%+946+670.9%Added
American Portfolios Advisors1,089$527.8K0.02%+43+4.1%Added
JB Capital LLC1,065$516.0K0.07%+1,065New
Banco Bilbao Vizcaya Argentaria, S.A.1,058$513.0K0.01%+23+2.2%Added
Cullen/Frost Bankers, Inc.1,057$512.0K0.01%00.0%Unchanged
Cetera Investment Advisers1,056$512.0K0.01%+246+30.4%Added
Pinnacle Financial Partners Inc1,046$507.0K0.02%−5−0.5%Reduced
Canandaigua National Corp1,044$506.0K0.08%−150−12.6%Reduced
Advisor Partners LLC1,038$503.0K0.03%−68−6.1%Reduced
Citadel Advisors LLC1,036$502.0K0.00%−283,068−99.6%Reduced
FDx Advisors, Inc.1,029$499.0K0.02%+23+2.3%Added
Redpoint Investment Management Pty Ltd1,021$495.0K0.04%00.0%Unchanged
RFG Advisory, LLC1,014$492.0K0.04%−144−12.4%Reduced
Next Century Growth Investors LLC968$469.0K0.04%−14,790−93.9%Reduced
Cresset Asset Management, LLC952$461.0K0.01%+295+44.9%Added
NEXT Financial Group, Inc939$455.0K0.04%+82+9.6%Added
Lido Advisors, LLC913$442.0K0.01%+913New
Toroso Investments, LLC907$440.0K0.02%+151+20.0%Added
Corient Capital Partners, LLC902$437.0K0.03%−13−1.4%Reduced
Advisory Services Network, LLC901$437.0K0.01%+696+339.5%Added