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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
$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 %
Ensign Peak Advisors
26
Ensign Peak Advisors
Utah
$188M -$7.51M -12,950 -4%
T. Rowe Price Investment Management
27
T. Rowe Price Investment Management
Maryland
$182M +$75.6M +130,394 +71%
Goldman Sachs
28
Goldman Sachs
New York
$173M +$19.2M +33,094 +12%
UBS AM
29
UBS AM
Illinois
$171M +$8.38M +14,441 +5%
Alyeska Investment Group
30
Alyeska Investment Group
Illinois
$167M +$55.2M +95,249 +50%
BNP Paribas Financial Markets
31
BNP Paribas Financial Markets
France
$165M +$77.1M +132,880 +88%
Citigroup
32
Citigroup
New York
$158M -$43M -74,199 -21%
VNIM
33
Vaughan Nelson Investment Management
Texas
$148M -$75.8M -130,658 -34%
Raymond James Financial
34
Raymond James Financial
Florida
$142M +$4.47M +7,711 +3%
Macquarie Group
35
Macquarie Group
Australia
$130M -$22.1M -38,164 -15%
Impax Asset Management Group
36
Impax Asset Management Group
United Kingdom
$120M -$16.9M -29,292 -12%
American Century Companies
37
American Century Companies
Missouri
$118M +$4.36M +7,511 +4%
EARNEST Partners
38
EARNEST Partners
Georgia
$118M +$62.6K +108 +0.1%
SEI Investments
39
SEI Investments
Pennsylvania
$116M +$1.18M +2,028 +1%
Coatue Management
40
Coatue Management
New York
$112M +$112M +193,432 New
DekaBank Deutsche Girozentrale
41
DekaBank Deutsche Girozentrale
Germany
$112M -$234K -398 -0.2%
Allspring Global Investments
42
Allspring Global Investments
North Carolina
$107M -$13.7M -23,495 -11%
First Trust Advisors
43
First Trust Advisors
Illinois
$106M +$61.7M +106,308 +138%
NL
44
Nuveen LLC
North Carolina
$106M +$106M +182,336 New
Ameriprise
45
Ameriprise
Minnesota
$103M -$4.75M -8,192 -4%
VOYA Investment Management
46
VOYA Investment Management
Georgia
$102M -$13.5M -23,275 -12%
Principal Financial Group
47
Principal Financial Group
Iowa
$101M +$134K +231 +0.1%
Pictet Asset Management
48
Pictet Asset Management
Switzerland
$98.7M +$50.6M +87,206 +105%
Deutsche Bank
49
Deutsche Bank
Germany
$98.1M +$5.89M +10,158 +6%
Envestnet Asset Management
50
Envestnet Asset Management
Illinois
$97.2M -$3.69M -6,354 -4%
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