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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 2026

Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2026. 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
1,250
+142 vs. Q1 2026
Shares held
47.6M
+386.8K (+0.8%) vs. Q1 2026
Total value
$65.6B
+$14.1B (+27.4%) vs. Q1 2026
New holders
220
419 more added
Sold out
78
464 more reduced

16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,250 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 2026: $65.6B
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 2026

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2026.

Institutions holding MPWR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Outlook Wealth Advisors, LLC433$598.0K0.13%−28−6.1%Reduced
Kestra Private Wealth Services, LLC434$600.6K0.01%−11−2.5%Reduced
Empirical Asset Management, LLC436$602.1K0.14%−537−55.2%Reduced
Turtle Creek Wealth Advisors, LLC437$604.1K0.03%+38+9.5%Added
Interchange Capital Partners, LLC440$608.4K0.11%+440New
Kesler, Norman & Wride, LLC442$611.0K0.10%+442New
Covenant Asset Management, LLC447$617.9K0.11%00.0%Unchanged
Cigna Investments Inc447$618.0K0.08%+10+2.3%Added
Bridges Investment Management Inc449$620.7K0.01%00.0%Unchanged
MAI Capital Management449$621.0K0.00%+27+6.4%Added
BXM Wealth LLC450$622.1K0.34%00.0%Unchanged
Hills Bank & Trust Co455$629.0K0.03%−39−7.9%Reduced
Ausdal Financial Partners, Inc.458$634.0K0.02%+121+35.9%Added
Flow Traders U.S. LLC464$641.0K0.03%+464New
KCM Investment Advisors LLC468$646.9K0.02%+1+0.2%Added
Greenland Capital Management LP469$648.3K0.12%−1,166−71.3%Reduced
Vancity Investment Management Ltd470$650.0K0.10%−31−6.2%Reduced
Fifth Third Wealth Advisors LLC473$653.9K0.02%−8−1.7%Reduced
Wedbush Fund Advisers, LLC473$653.9K0.06%+473New
Legacy Wealth Asset Management, LLC476$658.0K0.14%−1−0.2%Reduced
TD Private Client Wealth LLC480$663.5K0.01%−409−46.0%Reduced
Kickstand Ventures, LLC.480$663.8K0.12%00.0%Unchanged
J2 Capital Management Inc485$670.4K0.45%−196−28.8%Reduced
TFB Advisors LLC490$677.4K0.30%+48+10.9%Added
D.A. Davidson & Co.490$677.4K0.00%−55−10.1%Reduced
Truvestments Capital LLC492$680.8K0.10%+35+7.7%Added
GeoWealth Management, LLC497$687.1K0.02%−6−1.2%Reduced
71 West Capital Partners504$696.7K0.02%+56+12.5%Added
Ashton Thomas Private Wealth, LLC504$696.7K0.01%+186+58.5%Added
Oak Ridge Investments LLC505$698.1K0.04%−126−20.0%Reduced
Talon Private Wealth, LLC512$707.8K0.08%−73−12.5%Reduced
Emerald Advisers, LLC514$710.5K0.02%−760−59.7%Reduced
Principal Securities, Inc.514$711.2K0.01%−265−34.0%Reduced
Bauman Advisory Group, LLC515$711.3K0.38%+138+36.6%Added
Blackstone Group Inc.516$713.3K0.00%+516New
Blue Bell Private Wealth Management, LLC519$717.4K0.09%−4−0.8%Reduced
Oxford Asset Management LLP522$721.6K0.35%+522New
Smartleaf Asset Management LLC553$726.0K0.02%00.0%Unchanged
AE Wealth Management LLC527$728.4K0.00%−5−0.9%Reduced
Umb Bank N A530$732.7K0.01%00.0%Unchanged
CTC Alternative Strategies, Ltd.530$732.7K1.06%+530New
Trust Asset Management LLC531$734.0K0.05%−6−1.1%Reduced
Fielder Capital Group LLC531$734.0K0.16%−1−0.2%Reduced
Prelude Capital Management, LLC536$740.9K0.05%+296+123.3%Added
Vision Retirement, LLC540$746.7K0.18%00.0%Unchanged
GAM Holding AG543$750.6K0.06%+543New
Campbell & CO Investment Adviser LLC544$752.0K0.04%+544New
1248 Management, LLC548$758.6K0.30%00.0%Unchanged
Knuff & Co LLC549$758.9K0.19%−1−0.2%Reduced
Venturi Wealth Management, LLC551$760.3K0.03%−282−33.9%Reduced
Coastal Bridge Advisors, LLC561$775.1K0.05%+73+15.0%Added
Phoenix Holdings Ltd.561$775.8K0.01%+92+19.6%Added
Advisory Services Network, LLC564$778.9K0.01%−433−43.4%Reduced
CenterBook Partners LP568$785.2K0.04%+346+155.9%Added
Heartland Bank & Trust Co569$786.6K0.16%−9−1.6%Reduced
Two Sigma Securities, LLC569$786.6K0.07%+569New
Sagespring Wealth Partners, LLC572$790.0K0.01%+6+1.1%Added
Avestar Capital, LLC572$790.7K0.05%+36+6.7%Added
Lifeworks Advisors, LLC573$792.1K0.08%−3−0.5%Reduced
Kingswood Wealth Advisors, LLC576$796.3K0.03%+7+1.2%Added
CNB Bank577$797.6K0.31%−161−21.8%Reduced
Regions Financial Corp582$804.5K0.00%−625−51.8%Reduced
Gateway Investment Advisers LLC585$808.7K0.01%−326−35.8%Reduced
Whalen Wealth Management Inc.590$816.0K0.37%−81−12.1%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital593$819.7K0.01%+593New
Picton Mahoney Asset Management594$821.1K0.01%+594New
Whetstone Capital Advisors, LLC595$822.5K0.22%+595New
Clear Creek Financial Management, LLC599$828.6K0.05%+24+4.2%Added
Brandywine Managers, LLC603$833.6K0.41%+61+11.3%Added
Valeo Financial Advisors, LLC603$834.1K0.02%+75+14.2%Added
Independent Advisor Alliance610$843.2K0.02%+3+0.5%Added
Ballentine Partners, LLC612$846.0K0.01%+24+4.1%Added
Silverleafe Capital Partners, LLC625$864.0K0.24%+174+38.6%Added
Caitlin John, LLC630$871.0K0.48%−211−25.1%Reduced
Wiregrass Investment Management LLC637$880.2K0.60%+13+2.1%Added
Arkadios Wealth Advisors637$880.6K0.01%−91−12.5%Reduced
Western Financial Corp639$883.3K0.26%+254+66.0%Added
Walleye Capital LLC642$887.5K0.00%+349+119.1%Added
American Trust644$890.2K0.07%−168−20.7%Reduced
Annis Gardner Whiting Capital Advisors, LLC647$894.4K0.13%−3−0.5%Reduced
Mount Yale Investment Advisors, LLC647$895.3K0.02%+5+0.8%Added
Insigneo Advisory Services, LLC648$895.8K0.03%+321+98.2%Added
Yorktown Management & Research Co Inc650$898.5K0.55%00.0%Unchanged
AIA Group Ltd650$898.5K0.01%00.0%Unchanged
Savvy Advisors, Inc.651$900.3K0.02%+263+67.8%Added
Parallel Advisors, LLC651$900.3K0.01%+74+12.8%Added
Portside Wealth Group, LLC658$909.6K0.11%−63−8.7%Reduced
Wellington Grp LLC665$919.3K0.24%+184+38.3%Added
Integrated Advisors Network LLC669$924.8K0.04%−13−1.9%Reduced
Bryn Mawr Trust Co671$927.6K0.02%−15−2.2%Reduced
Cambria Investment Management, L.P.672$928.9K0.05%+120+21.7%Added
Diversify Wealth Management, LLC697$933.0K0.02%−1,064−60.4%Reduced
Diversify Advisory Services, LLC697$933.0K0.02%+697New
Simplicity Wealth,LLC676$935.1K0.03%+349+106.7%Added
Versant Capital Management, Inc678$937.2K0.08%+2+0.3%Added
BankPlus Trust Department680$940.0K0.22%−330−32.7%Reduced
Brighton Jones LLC684$945.6K0.02%+61+9.8%Added
EverSource Wealth Advisors, LLC690$954.3K0.03%−44−6.0%Reduced
CoreCap Advisors, LLC692$956.5K0.03%+402+138.6%Added
Central Trust Co694$959.4K0.02%−7−1.0%Reduced