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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 2021

Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 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
627
+57 vs. Q3 2021
Shares held
43.6M
+183.8K (+0.4%) vs. Q3 2021
Total value
$21.5B
+$451.8M (+2.1%) vs. Q3 2021
New holders
106
241 more added
Sold out
49
213 more reduced

9 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 627 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 2021: $21.5B
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 2021

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2021.

Institutions holding MPWR in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Advisory Services Network, LLC820$404.0K0.01%−81−9.0%Reduced
Stonnington Group, LLC899$407.0K0.09%+20+2.3%Added
Summit Creek Advisors LLC834$411.0K0.04%−22,702−96.5%Reduced
Riverstone Advisors, LLC836$412.0K0.18%+180+27.4%Added
Seaport Global Advisors, LLC838$413.0K0.57%+838New
FDx Advisors, Inc.855$422.0K0.01%−174−16.9%Reduced
Legacy Wealth Asset Management, LLC863$426.0K0.14%−36−4.0%Reduced
YorkBridge Wealth Partners, LLC866$427.0K0.10%+7+0.8%Added
Veriti Management LLC876$432.0K0.06%+8+0.9%Added
9258 Wealth Management, LLC878$433.0K0.10%+104+13.4%Added
Assetmark, Inc887$438.0K0.00%+806+995.1%Added
Private Capital Group, LLC891$440.0K0.09%+520+140.2%Added
Greenleaf Trust894$441.0K0.01%+82+10.1%Added
Cullen/Frost Bankers, Inc.900$444.0K0.01%−157−14.9%Reduced
Two Sigma Advisers, LP900$444.0K0.00%+900New
Seeyond905$446.0K0.04%−591−39.5%Reduced
Corient Capital Partners, LLC916$452.0K0.03%+14+1.6%Added
O'Shaughnessy Asset Management, LLC916$452.0K0.01%+27+3.0%Added
Cigna Investments Inc995$491.0K0.04%−440−30.7%Reduced
RFG Advisory, LLC996$491.0K0.03%−18−1.8%Reduced
Redpoint Investment Management Pty Ltd1,021$504.0K0.04%00.0%Unchanged
Canandaigua National Corp1,031$509.0K0.08%−13−1.2%Reduced
Cambridge Investment Research Advisors, Inc.1,034$510.0K0.00%−134−11.5%Reduced
Pinnacle Financial Partners Inc1,045$516.0K0.02%−1−0.1%Reduced
Private Advisor Group, LLC1,053$519.0K0.00%−757−41.8%Reduced
Ci Investments Inc.1,054$520.0K0.00%−562−34.8%Reduced
Change Path, LLC1,061$523.0K0.03%−71−6.3%Reduced
Bridgefront Capital, LLC1,067$526.0K0.51%+614+135.5%Added
Apollon Wealth Management, LLC1,079$532.0K0.04%+1,079New
Banco Bilbao Vizcaya Argentaria, S.A.1,084$533.0K0.01%+26+2.5%Added
Lido Advisors, LLC1,089$537.0K0.01%+176+19.3%Added
Connable Office Inc1,101$543.0K0.07%−240−17.9%Reduced
Advisor Partners LLC1,109$548.0K0.03%+71+6.8%Added
Toroso Investments, LLC1,132$558.0K0.02%+225+24.8%Added
TrinityPoint Wealth, LLC1,157$571.0K0.10%+36+3.2%Added
Ergoteles LLC1,158$571.0K0.02%+1,158New
Edmond de Rothschild Holding S.A.1,166$576.0K0.01%+283+32.0%Added
American Portfolios Advisors1,169$576.7K0.02%+80+7.3%Added
Kentucky Retirement Systems Insurance Trust Fund1,171$578.0K0.05%+56+5.0%Added
Covenant Partners, LLC1,195$590.0K0.22%00.0%Unchanged
Schonfeld Strategic Advisors LLC1,206$595.0K0.01%+1,206New
JB Capital LLC1,299$640.9K0.06%+234+22.0%Added
Yorktown Management & Research Co Inc1,300$641.0K0.43%00.0%Unchanged
Merlin Capital LLC1,302$642.0K0.75%+1,302New
Integrated Investment Consultants, LLC1,308$645.0K0.17%−210−13.8%Reduced
Hillsdale Investment Management Inc.1,330$656.0K0.04%−100−7.0%Reduced
Barings LLC1,430$705.0K0.02%+1,430New
Wealthfront Advisers LLC1,461$721.0K0.00%+26+1.8%Added
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1,479$730.0K0.04%−561−27.5%Reduced
Cetera Investment Advisers1,488$734.0K0.01%+432+40.9%Added
Donoghue Forlines LLC1,493$737.0K0.12%−427−22.2%Reduced
Banque Cantonale Vaudoise1,500$740.0K0.03%−400−21.1%Reduced
CIBC World Markets Corp1,545$762.0K0.00%−888−36.5%Reduced
Integrated Advisors Network LLC1,547$763.0K0.05%−22−1.4%Reduced
NEXT Financial Group, Inc1,545$763.0K0.05%+606+64.5%Added
Pitcairn Co1,552$766.0K0.05%−274−15.0%Reduced
Baker Tilly Wealth Management, LLC1,580$779.0K0.08%+249+18.7%Added
DuPont Capital Management Corp1,580$779.0K0.03%+1,027+185.7%Added
Verition Fund Management LLC1,580$779.0K0.01%+1,580New
Kestra Advisory Services, LLC1,661$820.0K0.01%−624−27.3%Reduced
Quantamental Technologies LLC1,730$853.0K0.43%+1,730New
Marshall Financial Group LLC1,734$855.0K0.32%+1,734New
HRT Financial LP1,737$856.0K0.00%−4,317−71.3%Reduced
Gsa Capital Partners LLP1,747$862.0K0.11%+49+2.9%Added
Y-Intercept (Hong Kong) Ltd1,763$870.0K0.21%+1,763New
Prelude Capital Management, LLC1,795$886.0K0.04%−1,089−37.8%Reduced
Cim, LLC2,368$888.0K0.17%−400−14.5%Reduced
Everence Capital Management Inc1,810$893.0K0.07%00.0%Unchanged
Candriam Luxembourg S.C.A.1,811$893.0K0.01%+1,811New
Cookson Peirce & Co Inc1,815$895.0K0.05%+128+7.6%Added
Raymond James Trust N.A.1,817$896.0K0.03%+170+10.3%Added
The PNC Financial Services Group, Inc.1,831$903.0K0.00%+180+10.9%Added
Kestra Private Wealth Services, LLC1,856$916.0K0.04%+1,131+156.0%Added
Pearl River Capital, LLC1,858$917.0K0.25%+1,858New
HMS Capital Management, LLC1,862$919.0K0.40%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC1,950$962.0K0.02%−11−0.6%Reduced
Redwood Investments, LLC2,015$994.0K0.08%+895+79.9%Added
Bamco Inc2,088$1.03M0.00%+119+6.0%Added
Echo Street Capital Management LLC2,088$1.03M0.01%+1,247+148.3%Added
Green Alpha Advisors, LLC2,096$1.03M0.70%+14+0.7%Added
Park Avenue Securities LLC2,114$1.04M0.02%+195+10.2%Added
Leelyn Smith, LLC2,121$1.05M0.28%+153+7.8%Added
Pathstone Family Office, LLC2,184$1.08M0.03%+39+1.8%Added
Central Trust Co2,196$1.08M0.03%−138−5.9%Reduced
Sciencast Management LP2,300$1.10M0.19%+2,300New
Great Lakes Advisors, LLC2,267$1.12M0.02%+3+0.1%Added
Bank Julius Baer & Co. Ltd, Zurich2,268$1.12M0.01%+2,268New
Jump Financial, LLC2,344$1.16M0.07%+2,344New
SRN Advisors, LLC2,365$1.17M0.42%+2,365New
First Citizens Bank & Trust Co2,387$1.18M0.05%+13+0.5%Added
Ontario Teachers Pension Plan Board2,428$1.20M0.01%+878+56.6%Added
Jacobs Levy Equity Management, Inc2,439$1.20M0.01%+2,439New
Shell Asset Management Co2,451$1.21M0.02%+12+0.5%Added
Commonwealth Equity Services, LLC2,486$1.23M0.00%−80−3.1%Reduced
We Are One Seven, LLC2,507$1.24M0.13%+29+1.2%Added
Nordea Investment Management AB2,511$1.24M0.00%00.0%Unchanged
Mount Yale Investment Advisors, LLC2,534$1.25M0.13%−94−3.6%Reduced
Atria Investments LLC2,553$1.26M0.02%−85−3.2%Reduced
Calamos Advisors LLC2,569$1.27M0.01%−1,024−28.5%Reduced
New Mexico Educational Retirement Board2,600$1.28M0.04%−200−7.1%Reduced