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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 %
PWA
826
Principia Wealth Advisory
Texas
$1.69K +$1.12K +2 +200%
CWM
827
Cranbrook Wealth Management
Michigan
$1.28K – – –
TCA
828
Trifecta Capital Advisors
Illinois
$1.16K – – –
DPW
829
DiNuzzo Private Wealth
Pennsylvania
$1.16K – – –
TFM
830
TFC Financial Management
Massachusetts
$1.16K – – –
DJSG
831
D.J. St. Germain
Massachusetts
$1.16K – – –
DWM
832
Dogwood Wealth Management
Kansas
$1.16K +$1.16K +2 New
BLC
833
Brown, Lisle/Cummings
Rhode Island
$1.16K +$1.16K +2 New
RAM
834
Riggs Asset Management
Pennsylvania
$1.16K +$1.16K +2 New
KFI
835
Key Financial Inc
Pennsylvania
$1.16K +$1.16K +2 New
PWAM
836
Private Wealth Asset Management
Iowa
$1.16K +$1.16K +2 New
PEAK6
837
PEAK6
Illinois
$913 -$427K -935 -100%
BHWM
838
Bay Harbor Wealth Management
Maryland
$581 +$581 +1 New
HFS
839
Horizon Financial Services
North Carolina
$580 -$580 -1 -50%
AA
840
Ancora Advisors
Ohio
$580 -$580 -1 -50%
WPA
841
West Paces Advisors
Georgia
$580 – – –
PWM
842
Parkworth Wealth Management
California
$580 – – –
MAS
843
MPWM Advisory Solutions
Georgia
$580 – – –
ACA
844
American Capital Advisory
Idaho
$580 +$580 +1 New
WA
845
WestEnd Advisors
North Carolina
$580 +$580 +1 New
BFS
846
Bare Financial Services
Pennsylvania
$580 +$580 +1 New
FCAS
847
First Command Advisory Services
Texas
$580 +$580 +1 New
WOC
848
West Oak Capital
California
$319 – – –
Q1WB
849
Quest 10 Wealth Builders
Virginia
$273 – – –
Norges Bank
850
Norges Bank
Norway
– -$494M -834,557 Closed
32 33
34
35 36