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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 %
NC
751
NewSquare Capital
Pennsylvania
$14.5K +$12.2K +21 +525%
FP
752
Financial Perspectives
Minnesota
$14K – – –
UIA
753
Ulland Investment Advisors
Minnesota
$14K – – –
CTB
754
Country Trust Bank
Illinois
$13.9K – – –
HIA
755
Harbor Investment Advisory
Maryland
$12.2K – – –
HI
756
Harbour Investments
Wisconsin
$12.2K +$5.22K +9 +75%
BCM
757
Berbice Capital Management
New York
$11.6K +$11.6K +20 New
MDCM
758
Morgan Dempsey Capital Management
Wisconsin
$11K – – –
SCB
759
Saudi Central Bank
Saudi Arabia
$11K +$11K +19 New
CFB
760
Cullen/Frost Bankers
Texas
$9.87K -$417K -718 -98%
SSB
761
Sandy Spring Bank
Maryland
$9.86K – – –
FAM
762
Flaharty Asset Management
Florida
$9.86K +$9.86K +17 New
AF
763
Advisornet Financial
Minnesota
$9.28K +$3.48K +6 +60%
S
764
Sachetta
Massachusetts
$8.71K – – –
BWL
765
Bogart Wealth LLC
Virginia
$8.7K -$580 -1 -6%
PCFFS
766
Pacific Center for Financial Services
California
$8.12K – – –
EB
767
Eastern Bank
Massachusetts
$7.54K +$1.16K +2 +18%
HWM
768
Hemington Wealth Management
Virginia
$7K +$2.15K +4 +44%
SS
769
Sunbelt Securities
Texas
$6.96K -$2.32K -4 -25%
WB
770
Webster Bank
Connecticut
$6.96K – – –
AP
771
Atwood & Palmer
Missouri
$6.96K – – –
CSP
772
Cary Street Partners
Virginia
$6.96K +$2.32K +4 +50%
HWP
773
Highline Wealth Partners
California
$6.96K +$5.8K +10 +500%
NC
774
North Capital
Utah
$6.96K +$6.96K +12 New
CHC
775
City Holding Co
West Virginia
$6.96K +$6.96K +12 New
29 30
31
32 33