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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
Integrated Investment Consultants, LLC1,966$734.0K0.22%−67−3.3%Reduced
Bessemer Group Inc1,998$746.0K0.00%−126−5.9%Reduced
AE Wealth Management LLC1,998$746.0K0.01%+1,998New
Mackenzie Financial Corp2,010$751.0K0.00%+452+29.0%Added
Green Alpha Advisors, LLC2,049$765.0K0.52%−327−13.8%Reduced
Natixis2,079$776.0K0.00%+2,079New
First Citizens Bank & Trust Co2,102$785.0K0.04%−4,406−67.7%Reduced
Creative Planning2,117$791.0K0.00%−127,047−98.4%Reduced
Profund Advisors LLC2,167$809.0K0.03%+9+0.4%Added
Donoghue Forlines LLC2,193$819.0K0.15%+196+9.8%Added
Storebrand Asset Management AS2,201$822.0K0.00%+243+12.4%Added
Daiwa Securities Group Inc.2,263$845.0K0.01%−738−24.6%Reduced
Nordea Investment Management AB2,273$849.0K0.00%−142−5.9%Reduced
Pacer Advisors, Inc.2,372$886.0K0.01%−85−3.5%Reduced
Illinois Municipal Retirement Fund2,373$886.0K0.04%00.0%Unchanged
Great Lakes Advisors, LLC2,376$887.0K0.01%−92−3.7%Reduced
Sciencast Management LP2,367$904.0K0.19%+1,692+250.7%Added
GWM Advisors LLC2,453$916.0K0.02%+207+9.2%Added
Acadian Asset Management LLC2,453$917.0K0.00%−36,146−93.6%Reduced
Central Trust Co2,492$930.0K0.03%−570−18.6%Reduced
Kentucky Retirement Systems2,504$935.0K0.04%+27+1.1%Added
Alps Advisors Inc2,513$938.0K0.01%−55−2.1%Reduced
M&T Bank Corp2,553$954.0K0.00%+497+24.2%Added
Redhawk Wealth Advisors, Inc.2,565$958.0K0.21%+245+10.6%Added
Commonwealth Equity Services, LLC2,600$971.0K0.00%+428+19.7%Added
We Are One Seven, LLC2,619$978.0K0.14%+7+0.3%Added
Mount Yale Investment Advisors, LLC2,682$1.00M0.12%−19−0.7%Reduced
Louisiana State Employees Retirement System2,700$1.01M0.02%00.0%Unchanged
Atria Investments LLC2,700$1.01M0.02%+2,700New
Sumitomo Mitsui DS Asset Management Company, Ltd2,708$1.01M0.02%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,786$1.04M0.02%+299+12.0%Added
Penserra Capital Management LLC2,850$1.06M0.02%−706−19.9%Reduced
New Mexico Educational Retirement Board2,900$1.08M0.04%+200+7.4%Added
NFJ Investment Group, LLC2,993$1.12M0.02%+2,993New
Winton Group Ltd3,021$1.13M0.06%−2,372−44.0%Reduced
Captrust Financial Advisors3,051$1.14M0.01%−681−18.2%Reduced
Shell Asset Management Co3,075$1.15M0.02%+160+5.5%Added
Oppenheimer & Co Inc3,073$1.15M0.02%+181+6.3%Added
Renaissance Group LLC3,076$1.15M0.05%−30−1.0%Reduced
JustInvest LLC3,115$1.16M0.12%+2,138+218.8%Added
Fort Washington Investment Advisors Inc3,329$1.24M0.01%00.0%Unchanged
Oak Ridge Investments LLC3,330$1.24M0.11%+49+1.5%Added
Maryland State Retirement & Pension System3,328$1.28M0.04%00.0%Unchanged
SG Americas Securities, LLC3,466$1.29M0.01%−2,640−43.2%Reduced
ING Groep NV3,532$1.32M0.02%+693+24.4%Added
Calamos Advisors LLC3,544$1.32M0.01%00.0%Unchanged
Norinchukin Bank, The3,557$1.33M0.02%+25+0.7%Added
TD Private Client Wealth LLC3,596$1.34M0.06%−164−4.4%Reduced
Janney Montgomery Scott LLC3,702$1.38M0.01%+222+6.4%Added
Securian Asset Management, Inc3,750$1.40M0.03%00.0%Unchanged
Advisor OS, LLC3,769$1.41M0.29%+610+19.3%Added
CIBC Asset Management Inc3,786$1.41M0.01%+68+1.8%Added
Van Eck Associates Corp3,794$1.42M0.00%+687+22.1%Added
USS Investment Management Ltd3,800$1.42M0.01%00.0%Unchanged
MAI Capital Management3,838$1.43M0.03%−199−4.9%Reduced
Legato Capital Management LLC3,848$1.44M0.20%+3,848New
Teachers Retirement System of the State of Kentucky3,899$1.46M0.01%−800−17.0%Reduced
Saturna Capital CORP3,911$1.46M0.03%+700+21.8%Added
Shaker Investments LLC3,916$1.46M0.68%+5+0.1%Added
Cetera Advisor Networks LLC3,941$1.47M0.02%+2,197+126.0%Added
Janus Henderson Group PLC3,978$1.49M0.00%+44+1.1%Added
Alpha DNA Investment Management LLC4,017$1.50M1.03%+4,000+23,529.4%Added
Virtue Capital Management, LLC4,031$1.50M0.30%+180+4.7%Added
Jupiter Asset Management Ltd4,169$1.56M0.02%+4,169New
Lisanti Capital Growth, LLC4,235$1.58M0.20%00.0%Unchanged
Westover Capital Advisors, LLC4,304$1.61M0.52%−39−0.9%Reduced
Hartford Investment Management Co4,502$1.68M0.04%−155−3.3%Reduced
Nissay Asset Management Corp4,565$1.71M0.01%+13+0.3%Added
Torray LLC4,626$1.73M0.25%+35+0.8%Added
APG Asset Management N.V.5,595$1.76M0.00%−600−9.7%Reduced
HighTower Advisors, LLC4,804$1.79M0.01%+82+1.7%Added
Tributary Capital Management, LLC4,800$1.79M0.14%00.0%Unchanged
Campbell Newman Asset Management Inc4,878$1.82M0.18%+271+5.9%Added
PFG Advisors4,896$1.83M0.21%+294+6.4%Added
Keybank National Association4,922$1.84M0.01%−994−16.8%Reduced
B. Metzler seel. Sohn & Co. Holding AG4,948$1.85M0.03%−91−1.8%Reduced
Crown Advisors Management, Inc.5,000$1.87M1.34%00.0%Unchanged
MML Investors Services, LLC5,263$1.97M0.02%+141+2.8%Added
Fifth Third Bancorp5,324$1.99M0.01%+416+8.5%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys5,389$2.01M0.02%+26+0.5%Added
IFM Investors Pty Ltd5,458$2.04M0.04%+1,020+23.0%Added
Mitchell Capital Management Co5,470$2.04M0.45%−122−2.2%Reduced
Intrust Bank NA5,592$2.09M0.28%−9−0.2%Reduced
Bridgewater Associates, LP5,648$2.11M0.01%+5,648New
First Republic Investment Management, Inc.5,775$2.16M0.01%+3,006+108.6%Added
FourThought Financial, LLC5,839$2.18M0.29%+3,093+112.6%Added
Pier 88 Investment Partners LLC6,111$2.28M0.66%+2,940+92.7%Added
GAM Holding AG6,763$2.32M0.10%−11−0.2%Reduced
Public Employees Retirement Association of Colorado6,223$2.32M0.01%00.0%Unchanged
Andra AP-fonden6,400$2.39M0.05%+4,200+190.9%Added
Triasima Portfolio Management inc.6,410$2.39M0.12%−3,250−33.6%Reduced
Prelude Capital Management, LLC6,426$2.40M0.13%−487−7.0%Reduced
O'Shares Investment Advisers, LLC6,464$2.41M0.17%+804+14.2%Added
CIBC World Markets Corp6,633$2.48M0.02%−904−12.0%Reduced
State of Alaska, Department of Revenue6,679$2.49M0.03%−40−0.6%Reduced
Public Sector Pension Investment Board6,740$2.52M0.02%+2,680+66.0%Added
Mackay Shields LLC6,850$2.56M0.02%−349−4.8%Reduced
Atom Investors LP6,854$2.56M0.53%+4,313+169.7%Added
Brinker Capital Investments, LLC6,956$2.60M0.03%+2,112+43.6%Added
Xponance, Inc.6,972$2.60M0.05%+499+7.7%Added