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Monolithic Power Systems
MPWR

Overview Fund Activity

848 hedge funds and large institutions have $26.7B invested in Monolithic Power Systems in 2025 Q1 according to their latest regulatory filings, with 122 funds opening new positions, 329 increasing their positions, 302 reducing their positions, and 108 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
848
Holders Change
-3
Holders Change %
-0.35%
% of All Funds
11.52%
Holding in Top 10
3
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-57.14%
% of All Funds
0.04%
New
122
Increased
329
Reduced
302
Closed
108
Calls
$253M
Puts
$277M
Net Calls
-$24.4M
Net Calls Change
+$261M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$1.18B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$2.03B
3
VanEck Associates
VanEck Associates
New York
$607M
4
Coatue Management
Coatue Management
New York
$112M
5
WorldQuant Millennium Advisors
WorldQuant Millennium Advisors
New York
$91.3M

Top Sellers

1
BlackRock
BlackRock
New York
$2.85B
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$331K
3
Bank of Nova Scotia
Bank of Nova Scotia
Ontario, Canada
$15.2M
4
VNIM
Vaughan Nelson Investment Management
Texas
$148M
5
Citadel Advisors
Citadel Advisors
Florida
$449K
Name Holding Trade Value Shares
Change 		Shares
Change %
ACIM
126
Azimuth Capital Investment Management
Michigan
$19.7M -$211K -363 -1%
PNC
127
Park National Corp
Ohio
$19.5M +$19.5M +33,634 New
Public Employees Retirement Association of Colorado
128
Public Employees Retirement Association of Colorado
Colorado
$19.1M – – –
Russell Investments Group
129
Russell Investments Group
United Kingdom
$18.8M +$3.33M +5,734 +21%
QCM
130
Quantinno Capital Management
New York
$18.8M +$12.6M +21,781 +206%
Royal London Asset Management
131
Royal London Asset Management
United Kingdom
$18M +$1.3M +2,239 +8%
N
132
Natixis
France
$17.8M -$16.2M -28,817 -48%
Man Group
133
Man Group
United Kingdom
$17.1M -$18.1M -31,147 -51%
Handelsbanken Fonder
134
Handelsbanken Fonder
Sweden
$16.9M -$676K -1,165 -4%
Mitsubishi UFJ Trust & Banking
135
Mitsubishi UFJ Trust & Banking
Japan
$16.8M -$544K -938 -3%
Parnassus Investments
136
Parnassus Investments
California
$16.5M – – –
Skandinaviska Enskilda Banken (SEB)
137
Skandinaviska Enskilda Banken (SEB)
Sweden
$16.3M -$12.6M -21,662 -44%
State of Wisconsin Investment Board
138
State of Wisconsin Investment Board
Wisconsin
$15.9M +$336K +580 +2%
Universal-Beteiligungs- und Servicegesellschaft
139
Universal-Beteiligungs- und Servicegesellschaft
Germany
$15.9M -$4.63M -7,990 -23%
Treasurer of the State of North Carolina
140
Treasurer of the State of North Carolina
North Carolina
$15.4M +$495K +853 +3%
Bank of Nova Scotia
141
Bank of Nova Scotia
Ontario, Canada
$15.2M -$78.6M -135,565 -84%
ProShare Advisors
142
ProShare Advisors
Maryland
$15.1M +$4.82M +8,319 +47%
JAM
143
Jupiter Asset Management
United Kingdom
$15.1M -$400K -689 -3%
SG Americas Securities
144
SG Americas Securities
New York
$14.9M +$14.7M +25,414 +9,241%
APG Asset Management
145
APG Asset Management
Netherlands
$14.8M -$498K -928 -3%
Prudential Financial
146
Prudential Financial
New Jersey
$14.6M -$71.9K -124 -0.5%
Chevy Chase Trust
147
Chevy Chase Trust
Maryland
$14.5M -$448K -773 -3%
TI
148
Trexquant Investment
Connecticut
$14.3M +$5.22M +8,999 +57%
MIF
149
Mediolanum International Funds
Ireland
$14.3M -$2.56M -4,423 -15%
AS
150
Aware Super
Australia
$14M -$1.24M -2,144 -8%
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