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Monolithic Power Systems
MPWR

Overview Fund Activity

886 hedge funds and large institutions have $34.4B invested in Monolithic Power Systems in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 365 increasing their positions, 299 reducing their positions, and 77 closing their positions.

Holders
886
Holders Change
+38
Holders Change %
+4.48%
% of All Funds
11.9%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
134
Increased
365
Reduced
299
Closed
77
Calls
$144M
Puts
$217M
Net Calls
-$72.4M
Net Calls Change
-$48M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$679M
2
Norges Bank
2
Norges Bank
Norway
$438M
3
Fidelity International
3
Fidelity International
Bermuda
$383M
4
BlackRock
4
BlackRock
New York
$3.82B
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$627M

Top Sellers

1
Franklin Resources
1
Franklin Resources
California
$796M
2
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$0
3
Coatue Management
3
Coatue Management
New York
$0
4
Artisan Partners
4
Artisan Partners
Wisconsin
$152M
5
Millennium Management
5
Millennium Management
New York
$11.4M
Name Market Value Shares Shares
Change 		Shares
Change %
Jennison Associates
101
Jennison Associates
New York
$37.1M 50,684 +9,045 +22%
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$35.4M 48,350 +99 +0.2%
TC
103
TwinBeech Capital
New York
$35.1M 48,016 +48,016 New
VIP
104
Vantage Investment Partners
Missouri
$34.8M 47,536 +3,768 +9%
WT
105
Whittier Trust
California
$31.8M 43,523 +1,037 +2%
GCM
106
Geneva Capital Management
Wisconsin
$31.8M 43,461 +5,073 +13%
QCM
107
Quantinno Capital Management
New York
$31.4M 42,969 +10,599 +33%
ZCI
108
Zevenbergen Capital Investments
Washington
$31M 42,428 -255 -0.6%
EAM
109
Eventide Asset Management
Massachusetts
$30.9M 42,299 +68 +0.2%
OAM
110
Ostrum Asset Management
France
$30.6M 41,816 -5,536 -12%
AQR Capital Management
111
AQR Capital Management
Connecticut
$30.3M 41,444 -31,793 -43%
PNC
112
Park National Corp
Ohio
$30.1M 41,113 +7,479 +22%
FMI
113
Factory Mutual Insurance
Massachusetts
$29.2M 39,972 – –
New York State Teachers Retirement System (NYSTRS)
114
New York State Teachers Retirement System (NYSTRS)
New York
$29M 39,705 +1,743 +5%
Swedbank
115
Swedbank
Sweden
$28.8M 39,444 +15,700 +66%
SBH
116
Segall Bryant & Hamill
Illinois
$28.8M 39,327 +19,074 +94%
CRC
117
Curi RMB Capital
Illinois
$28.5M 38,923 +1,972 +5%
Vontobel Holding
118
Vontobel Holding
Switzerland
$28.3M 38,660 -3,923 -9%
National Bank of Canada
119
National Bank of Canada
Quebec, Canada
$28.1M 38,362 -6,289 -14%
Aberdeen Group
120
Aberdeen Group
United Kingdom
$28M 37,889 +1,600 +4%
SC
121
Sapient Capital
Indiana
$27.1M 36,924 -900 -2%
Treasurer of the State of North Carolina
122
Treasurer of the State of North Carolina
North Carolina
$26.2M 35,789 +9,315 +35%
Aviva
123
Aviva
United Kingdom
$26.1M 35,702 +32,918 +1,182%
Public Sector Pension Investment Board (PSP Investments)
124
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$24.9M 34,031 +26,748 +367%
ACIM
125
Azimuth Capital Investment Management
Michigan
$24.7M 33,797 -234 -0.7%
3 4
5
6 7