MPWR icon

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 %
RBFC
901
Roman Butler Fullerton & Co
Missouri
– -$273K -455 Closed
BMCM
902
Bryn Mawr Capital Management
Pennsylvania
– -$257K -434 Closed
AT
903
American Trust
Kentucky
– -$255K -431 Closed
VCP
904
Verus Capital Partners
Arizona
– -$249K -420 Closed
AA
905
Armis Advisers
Georgia
– -$240K -406 Closed
FC
906
Farringdon Capital
United Kingdom
– -$240K -405 Closed
GIM
907
Granahan Investment Management
Massachusetts
– -$237K -400 Closed
BOTPPF
908
Board of the Pension Protection Fund
United Kingdom
– -$237K -400 Closed
GIA
909
Gladstone Institutional Advisory
Florida
– -$235K -397 Closed
BC
910
Bayforest Capital
United Kingdom
– -$230K -389 Closed
DS
911
DRW Securities
Illinois
– -$226K -382 Closed
DADC
912
D.A. Davidson & Co
Montana
– -$221K -373 Closed
SW
913
SVB Wealth
Massachusetts
– -$215K -363 Closed
OR
914
Olympiad Research
Connecticut
– -$214K -361 Closed
BPA
915
Beacon Pointe Advisors
California
– -$213K -360 Closed
CAG
916
Csenge Advisory Group
Florida
– -$213K -360 Closed
JCM
917
Jacobi Capital Management
Pennsylvania
– -$207K -349 Closed
TM
918
TigerOak Management
New Mexico
– -$204K -344 Closed
IAN
919
Integrated Advisors Network
Texas
– -$201K -340 Closed
LWAM
920
Legacy Wealth Asset Management
Minnesota
– -$201K -340 Closed
ANTB
921
AMG National Trust Bank
Colorado
– -$201K -340 Closed
LP
922
LGL Partners
Pennsylvania
– -$200K -338 Closed
QFMHK
923
Q Fund Management (Hong Kong)
– -$178K -300 Closed
FA
924
Fedenia Advisers
Wisconsin
– -$170K -288 Closed
CFGS
925
Concourse Financial Group Securities
Alabama
– -$184K -267 Closed
35 36
37
38 39