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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 123 funds opening new positions, 329 increasing their positions, 301 reducing their positions, and 108 closing their positions.

Holders
848
Holders Change
-2
Holders Change %
-0.24%
% 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
123
Increased
329
Reduced
301
Closed
108
Calls
$253M
Puts
$277M
Net Calls
-$24.4M
Net Calls Change
+$261M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$1.18B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.03B
3
VanEck Associates
3
VanEck Associates
New York
$607M
4
Coatue Management
4
Coatue Management
New York
$112M
5
NL
5
Nuveen LLC
North Carolina
$106M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
BlackRock
2
BlackRock
New York
$2.85B
3
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
3
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$331K
4
Bank of Nova Scotia
4
Bank of Nova Scotia
Ontario, Canada
$15.2M
5
VNIM
5
Vaughan Nelson Investment Management
Texas
$148M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.43B 5,920,669 +96,395 +2%
BlackRock
2
BlackRock
New York
$2.85B 4,912,908 -509,319 -9%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$2.03B 3,498,709 +380,562 +12%
State Street
4
State Street
Massachusetts
$1.23B 2,115,705 -44,314 -2%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.18B 2,034,731 +506,430 +33%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$814M 1,406,036 +40,577 +3%
Franklin Resources
7
Franklin Resources
California
$779M 1,343,830 -95,992 -7%
Invesco
8
Invesco
Georgia
$725M 1,249,335 +86,853 +7%
VanEck Associates
9
VanEck Associates
New York
$607M 1,046,258 +270,232 +35%
Brown Advisory
10
Brown Advisory
Maryland
$541M 933,625 -52,380 -5%
Wellington Management Group
11
Wellington Management Group
Massachusetts
$442M 761,906 -91,123 -11%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$365M 629,566 +132,078 +27%
Bank of America
13
Bank of America
North Carolina
$340M 587,026 +32,231 +6%
Morgan Stanley
14
Morgan Stanley
New York
$314M 540,631 +81,329 +18%
Northern Trust
15
Northern Trust
Illinois
$289M 498,516 -10,777 -2%
Massachusetts Financial Services
16
Massachusetts Financial Services
Massachusetts
$265M 457,551 -30,749 -6%
Rafferty Asset Management
17
Rafferty Asset Management
New York
$226M 388,855 -30,340 -7%
Barclays
18
Barclays
United Kingdom
$214M 368,703 +35,844 +11%
Kayne Anderson Rudnick Investment Management
19
Kayne Anderson Rudnick Investment Management
California
$209M 361,124 -1,637 -0.5%
UBS Group
20
UBS Group
Switzerland
$207M 357,290 -53,282 -13%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$206M 355,312 +5,390 +2%
Artisan Partners
22
Artisan Partners
Wisconsin
$198M 341,854 -16,923 -5%
Legal & General Group
23
Legal & General Group
United Kingdom
$195M 336,733 +9,555 +3%
Charles Schwab
24
Charles Schwab
California
$195M 335,986 +10,163 +3%
AllianceBernstein
25
AllianceBernstein
Tennessee
$190M 327,418 -15,784 -5%
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