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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 %
WIM
801
Westside Investment Management
California
$3.49K – – –
PG
802
Proffitt & Goodson
Tennessee
$3.48K – – –
LWMI
803
Legacy Wealth Management (Idaho)
Idaho
$3.48K – – –
SIM
804
Synergy Investment Management
Florida
$3.48K – – –
CWP
805
Concord Wealth Partners
Virginia
$3.48K – – –
WA
806
Whipplewood Advisors
Colorado
$3.48K +$3.45K +785 +13,083%
AWM
807
Abound Wealth Management
Tennessee
$3.26K -$543 -1 -14%
CPG
808
Cornerstone Planning Group
New Jersey
$3.22K +$1.61K +3 +100%
PWMG
809
Prestige Wealth Management Group
New Jersey
$2.91K – – –
BGAI
810
Bruce G. Allen Investments
Colorado
$2.9K – – –
WCM
811
WealthTrak Capital Management
Virginia
$2.9K +$580 +1 +25%
W
812
WealthCollab
Washington
$2.9K +$1.16K +2 +67%
GC
813
Garde Capital
Washington
$2.9K +$2.9K +5 New
KA
814
Kozak & Associates
Colorado
$2.17K – – –
CT
815
Colonial Trust
South Carolina
$2.06K -$11.8K -23 -85%
AW
816
Avion Wealth
Texas
$2K – – –
CAL
817
Capital Advisors Ltd
Ohio
$2K +$667 +1 +50%
NS
818
NBC Securities
Alabama
$2K +$2K +5 New
HFS
819
Hughes Financial Services
Virginia
$1.74K +$1.74K +3 New
HCP
820
Hexagon Capital Partners
Arkansas
$1.74K -$1.74K -3 -50%
LIM
821
Longfellow Investment Management
Massachusetts
$1.74K – – –
CBT
822
Crews Bank & Trust
Florida
$1.74K – – –
AFG
823
Albion Financial Group
Utah
$1.74K – – –
CWC
824
Carolinas Wealth Consulting
North Carolina
$1.74K +$1.16K +2 +200%
AA
825
Addison Advisors
Vermont
$1.74K +$1.74K +3 New
31 32
33
34 35