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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 2023

Institutional positions in Monolithic Power Systems, Inc. as of Jun 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
652
−14 vs. Q1 2023
Shares held
46.7M
−589.7K (−1.2%) vs. Q1 2023
Total value
$25.2B
+$1.92B (+8.2%) vs. Q1 2023
New holders
74
237 more added
Sold out
88
256 more reduced

3 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 652 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 2023: $25.2B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2023.

Institutions holding MPWR in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Beacon Pointe Advisors, LLC651$351.7K0.01%−116−15.1%Reduced
Asahi Life Asset Management Co., Ltd.655$353.9K0.12%+655New
Alps Advisors Inc663$358.2K0.00%00.0%Unchanged
Banque Pictet & Cie SA686$370.6K0.00%+686New
Ossiam687$371.1K0.01%+371+117.4%Added
Virtue Capital Management, LLC715$374.1K0.06%−227−24.1%Reduced
AE Wealth Management LLC697$376.5K0.00%+697New
Pathway Financial Advisors LLC702$379.2K0.12%00.0%Unchanged
Connective Portfolio Management, LLC700$380.0K0.94%+700New
Moneta Group Investment Advisors LLC704$380.3K0.01%+14+2.0%Added
CNB Bank705$380.9K0.22%+7+1.0%Added
Buckingham Strategic Wealth, LLC708$382.4K0.01%+68+10.6%Added
Covenant Partners, LLC710$383.6K0.14%00.0%Unchanged
American National Bank712$384.6K0.06%+13+1.9%Added
Equitable Trust Co717$387.3K0.03%+278+63.3%Added
Cullen/Frost Bankers, Inc.722$390.0K0.01%−196−21.4%Reduced
Northwestern Mutual Wealth Management Co726$392.2K0.00%−13,449−94.9%Reduced
Emerald Advisers, LLC732$395.4K0.02%−12−1.6%Reduced
CWM Advisors, LLC733$395.8K0.05%−26−3.4%Reduced
Prime Capital Investment Advisors, LLC734$396.5K0.01%+288+64.6%Added
Ieq Capital, LLC740$400.0K0.01%−35−4.5%Reduced
Burney Co750$405.2K0.02%00.0%Unchanged
Harvest Fund Management Co., Ltd753$407.0K0.08%−8−1.1%Reduced
Federation des caisses Desjardins du Quebec767$414.4K0.00%−29−3.6%Reduced
BI Asset Management Fondsmaeglerselskab A/S790$427.0K0.01%−364−31.5%Reduced
Dark Forest Capital Management LP806$435.4K0.04%+806New
Cerity Partners LLC841$454.3K0.00%−10−1.2%Reduced
American Trust841$454.3K0.03%+83+10.9%Added
Guidance Capital, Inc911$457.3K0.20%+911New
InterOcean Capital Group, LLC853$460.8K0.01%−630−42.5%Reduced
XML Financial, LLC863$466.2K0.05%00.0%Unchanged
SYSTM Wealth Solutions LLC865$467.3K0.06%+412+90.9%Added
Telemus Capital, LLC875$472.7K0.04%+275+45.8%Added
Meiji Yasuda Asset Management Co Ltd.886$479.0K0.02%−59−6.2%Reduced
Prelude Capital Management, LLC890$480.8K0.04%−808−47.6%Reduced
NVWM, LLC910$491.6K0.16%00.0%Unchanged
9258 Wealth Management, LLC912$492.5K0.09%00.0%Unchanged
RFG Advisory, LLC916$495.0K0.02%−36−3.8%Reduced
Achmea Investment Management B.V.918$496.0K0.01%00.0%Unchanged
Assenagon Asset Management S.A.927$500.8K0.00%+430+86.5%Added
Greenleaf Trust931$503.0K0.01%−39−4.0%Reduced
Veriti Management LLC934$504.6K0.06%+1+0.1%Added
Trexquant Investment LP958$517.5K0.01%+958New
Confluence Wealth Services, Inc.969$523.5K0.11%+361+59.4%Added
Cetera Advisors LLC981$530.1K0.01%+227+30.1%Added
Empirical Finance, LLC992$535.9K0.04%+148+17.5%Added
Los Angeles Capital Management LLC1,034$558.6K0.00%−391,729−99.7%Reduced
Kingsview Wealth Management, LLC1,035$559.1K0.02%00.0%Unchanged
Tokio Marine Asset Management Co Ltd1,043$563.5K0.04%+69+7.1%Added
Vestcor Inc1,046$565.0K0.02%−8−0.8%Reduced
Hennion & Walsh Asset Management, Inc.1,069$578.0K0.03%+505+89.5%Added
Nebula Research & Development LLC1,076$581.3K0.44%+1,076New
Schonfeld Strategic Advisors LLC1,084$585.6K0.01%+38+3.6%Added
Sawtooth Solutions, LLC1,091$589.4K0.02%−93−7.9%Reduced
Bleakley Financial Group, LLC1,091$589.4K0.02%−93−7.9%Reduced
Vident Investment Advisory, LLC1,104$595.3K0.02%+190+20.8%Added
Parkside Financial Bank & Trust1,117$603.4K0.14%+1,013+974.0%Added
Pitcairn Co1,128$609.4K0.05%−18−1.6%Reduced
Vestmark Advisory Solutions, Inc.1,134$612.6K0.02%+72+6.8%Added
Moors & Cabot, Inc.1,147$619.6K0.04%−4−0.3%Reduced
Cidel Asset Management Inc1,182$638.6K0.03%+1,182New
Keebeck Alpha, LP1,194$645.0K0.64%+81+7.3%Added
E. Ohman J:or Asset Management AB1,200$648.3K0.02%00.0%Unchanged
Merlin Capital LLC1,209$653.1K2.21%−25−2.0%Reduced
Stevens Capital Management LP1,229$664.0K0.14%+697+131.0%Added
Meiji Yasuda Life Insurance Co1,248$674.0K0.02%−221−15.0%Reduced
Paragon Advisors, LLC1,249$674.0K0.22%+1,249New
Central Trust Co1,272$687.1K0.02%−4−0.3%Reduced
Change Path, LLC1,275$689.0K0.03%+47+3.8%Added
Foundry Partners, LLC1,283$693.1K0.04%+435+51.3%Added
BIT Capital GmbH1,289$696.4K0.08%+1,289New
RMR Wealth Builders1,297$700.7K0.12%−5−0.4%Reduced
Yorktown Management & Research Co Inc1,300$702.3K0.76%00.0%Unchanged
Parallax Volatility Advisers, L.P.1,304$704.5K0.02%+1,304New
Mercer Global Advisors Inc1,314$710.0K0.00%−1,172−47.1%Reduced
Knowledge Leaders Capital, LLC1,347$727.7K0.84%−42−3.0%Reduced
Portside Wealth Group, LLC1,387$749.3K0.14%+1,387New
Two Sigma Securities, LLC1,391$751.5K0.06%+453+48.3%Added
Saturna Capital CORP1,403$757.9K0.01%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC1,420$767.1K0.02%+14+1.0%Added
Baker Tilly Wealth Management, LLC1,437$776.3K0.08%+8+0.6%Added
Green Alpha Advisors, LLC1,472$795.3K0.52%−62−4.0%Reduced
We Are One Seven, LLC1,473$795.8K0.07%−220−13.0%Reduced
Virtu Financial LLC1,477$798.0K0.06%+555+60.2%Added
Penserra Capital Management LLC1,484$800.0K0.02%−12,235−89.2%Reduced
HBK Investments L P1,492$806.0K0.03%+1,492New
Deroy & Devereaux Private Investment Counsel Inc1,504$813.0K0.06%+1,504New
JB Capital LLC1,512$817.1K0.07%+84+5.9%Added
Baker Avenue Asset Management, LP1,519$820.6K0.04%+185+13.9%Added
Tower Research Capital LLC (TRC)1,536$829.8K0.03%+973+172.8%Added
Edgestream Partners, L.P.1,569$847.6K0.08%−165−9.5%Reduced
Panagora Asset Management Inc1,586$856.8K0.01%−23−1.4%Reduced
Essex Investment Management Co LLC1,595$861.7K0.12%00.0%Unchanged
Gladstone Capital Management LLP1,600$864.4K0.10%+1,600New
WBI Investments1,607$868.1K0.16%+1,607New
Kentucky Retirement Systems Insurance Trust Fund1,617$874.0K0.07%+25+1.6%Added
Kestra Advisory Services, LLC1,619$874.6K0.01%+243+17.7%Added
Heartland Bank & Trust Co1,636$883.8K0.69%−92−5.3%Reduced
Mount Yale Investment Advisors, LLC1,648$890.4K0.09%−62−3.6%Reduced
Virtus ETF Advisers LLC1,656$894.6K0.53%+1,656New