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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
+$294M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$221M
3
VanEck Associates
VanEck Associates
New York
+$157M
4
Coatue Management
Coatue Management
New York
+$112M
5
WorldQuant Millennium Advisors
WorldQuant Millennium Advisors
New York
+$88.6M

Top Sellers

1
BlackRock
BlackRock
New York
-$295M
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$82M
3
Bank of Nova Scotia
Bank of Nova Scotia
Ontario, Canada
-$78.6M
4
VNIM
Vaughan Nelson Investment Management
Texas
-$75.8M
5
Citadel Advisors
Citadel Advisors
Florida
-$75.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Federated Hermes
201
Federated Hermes
Pennsylvania
$8.12M -$5.22M -9,002 -39%
GWM
202
GDS Wealth Management
Texas
$8.05M +$3.31M +5,715 +70%
SOMRS
203
State of Michigan Retirement System
Michigan
$7.99M -$174K -300 -2%
Nisa Investment Advisors
204
Nisa Investment Advisors
Missouri
$7.97M -$3.06M -5,263 -28%
QIM
205
Quest Investment Management
Oregon
$7.78M -$68.4K -118 -0.9%
Pathstone Holdings
206
Pathstone Holdings
New Jersey
$7.74M -$200K -345 -3%
Arrowstreet Capital
207
Arrowstreet Capital
Massachusetts
$7.56M +$7.11M +12,263 +1,597%
AIM
208
Achmea Investment Management
Netherlands
$7.43M +$2.82M +4,858 +61%
CF
209
Corebridge Financial
Texas
$7.06M -$416K -717 -6%
Lazard Asset Management
210
Lazard Asset Management
New York
$7.02M -$16.1M -27,736 -70%
US Bancorp
211
US Bancorp
Minnesota
$7.01M -$4.76M -8,206 -40%
MCP
212
Meridiem Capital Partners
Texas
$6.95M -$3M -5,169 -30%
NIP
213
Nicholas Investment Partners
California
$6.81M -$432K -744 -6%
SCM
214
Silvant Capital Management
Georgia
$6.63M – – –
UM
215
UniSuper Management
Australia
$6.52M +$232K +400 +4%
X
216
Xponance
Pennsylvania
$6.45M -$358K -617 -5%
CNB
217
Czech National Bank
Czech Republic
$6.37M +$233K +401 +4%
COPPSERS
218
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$6.34M +$328K +565 +5%
FAF
219
Fjarde Ap-fonden
Sweden
$6.15M +$406K +700 +7%
WHG
220
Westwood Holdings Group
Texas
$6.07M – – –
PNC Financial Services Group
221
PNC Financial Services Group
Pennsylvania
$6.06M +$587K +1,012 +11%
NAM
222
NorthCrest Asset Manangement
Minnesota
$5.97M +$38.3K +66 +0.6%
Retirement Systems of Alabama
223
Retirement Systems of Alabama
Alabama
$5.96M -$165K -284 -3%
Mariner
224
Mariner
Kansas
$5.93M +$458K +789 +8%
Creative Planning
225
Creative Planning
Kansas
$5.92M +$984K +1,697 +20%
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