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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 %
CIBC Private Wealth Group
101
CIBC Private Wealth Group
Georgia
$30.4M -$47.5M -104,291 -61%
WRCM
102
Whale Rock Capital Management
Massachusetts
$29.1M +$29.1M +50,150 New
TC
103
Tairen Capital
Hong Kong
$28.9M +$28.9M +49,872 New
BAMCO Inc
104
BAMCO Inc
New York
$28.9M +$24M +41,302 +486%
State Board of Administration of Florida Retirement System
105
State Board of Administration of Florida Retirement System
Florida
$28M -$522K -900 -2%
OAM
106
Ostrum Asset Management
France
$27.5M +$27.3M +47,073 +16,872%
Bank of Montreal
107
Bank of Montreal
Ontario, Canada
$27.4M +$95.1K +164 +0.3%
National Bank of Canada
108
National Bank of Canada
Quebec, Canada
$25.9M -$400K -690 -2%
VIP
109
Vantage Investment Partners
Missouri
$25.4M +$5.25M +9,046 +26%
ZCI
110
Zevenbergen Capital Investments
Washington
$24.8M -$133K -230 -0.5%
Vontobel Holding
111
Vontobel Holding
Switzerland
$24.7M +$2.16M +3,730 +10%
WT
112
Whittier Trust
California
$24.6M +$553K +954 +2%
EAM
113
Eventide Asset Management
Massachusetts
$24.5M +$13.9K +24 +0.1%
PM
114
Pembroke Management
Quebec, Canada
$24.5M +$2.46M +4,250 +11%
AAF
115
Andra AP-fonden
Sweden
$24.3M -$2.25M -3,881 -8%
Jennison Associates
116
Jennison Associates
New York
$24.1M +$2.1M +3,628 +10%
FMI
117
Factory Mutual Insurance
Massachusetts
$23.2M +$5.05M +8,700 +28%
TD Asset Management
118
TD Asset Management
Ontario, Canada
$23.1M +$2.35M +4,058 +11%
ClearBridge Investments
119
ClearBridge Investments
New York
$22.7M -$7.9M -13,626 -26%
GCM
120
Geneva Capital Management
Wisconsin
$22.3M +$1.19M +2,049 +6%
New York State Teachers Retirement System (NYSTRS)
121
New York State Teachers Retirement System (NYSTRS)
New York
$22M -$2.06M -3,546 -9%
SC
122
Sapient Capital
Indiana
$22M +$55.2K +95 +0.3%
CRC
123
Curi RMB Capital
Illinois
$21.5M +$1.03M +1,768 +5%
Korea Investment Corp
124
Korea Investment Corp
South Korea
$20.5M -$757K -1,306 -4%
Aberdeen Group
125
Aberdeen Group
United Kingdom
$20.3M +$10.9M +19,403 +115%
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