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Monolithic Power Systems
MPWR

Overview Fund Activity

886 hedge funds and large institutions have $34.4B invested in Monolithic Power Systems in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 365 increasing their positions, 299 reducing their positions, and 77 closing their positions.

Holders
886
Holders Change
+38
Holders Change %
+4.48%
% of All Funds
11.9%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
134
Increased
365
Reduced
299
Closed
77
Calls
$144M
Puts
$217M
Net Calls
-$72.4M
Net Calls Change
-$48M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$679M
2
Norges Bank
2
Norges Bank
Norway
$438M
3
Fidelity International
3
Fidelity International
Bermuda
$383M
4
BlackRock
4
BlackRock
New York
$3.82B
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$627M

Top Sellers

1
Franklin Resources
1
Franklin Resources
California
$796M
2
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$0
3
Coatue Management
3
Coatue Management
New York
$0
4
Artisan Partners
4
Artisan Partners
Wisconsin
$152M
5
Millennium Management
5
Millennium Management
New York
$11.4M
Name Market Value Shares Shares
Change 		Shares
Change %
Deutsche Bank
51
Deutsche Bank
Germany
$120M 163,918 -5,278 -3%
Dimensional Fund Advisors
52
Dimensional Fund Advisors
Texas
$110M 150,361 -10,188 -6%
TCM
53
TimesSquare Capital Management
New York
$108M 147,907 +2,605 +2%
Swiss National Bank
54
Swiss National Bank
Switzerland
$106M 144,900 +7,300 +5%
HSBC Holdings
55
HSBC Holdings
United Kingdom
$104M 142,566 -16,256 -10%
NL
56
Nuveen LLC
North Carolina
$101M 137,798 -44,538 -24%
FCM
57
Frontier Capital Management
Massachusetts
$97.2M 132,843 +4,121 +3%
Natixis Advisors
58
Natixis Advisors
Massachusetts
$97M 132,589 +351 +0.3%
Janus Henderson Group
59
Janus Henderson Group
United Kingdom
$93.2M 127,429 +21,816 +21%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
60
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$92.8M 126,910 +126,340 +22,165%
Amundi
61
Amundi
France
$92.6M 132,120 +26,508 +25%
CAM
62
Congress Asset Management
Massachusetts
$91.5M 125,169 +2,509 +2%
RCM
63
Rokos Capital Management
United Kingdom
$88.8M 121,436 -7,921 -6%
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$85.6M 117,094 +627 +0.5%
EAM
65
EULAV Asset Management
Florida
$85M 116,276 – –
Sumitomo Mitsui Trust Group
66
Sumitomo Mitsui Trust Group
Japan
$82.3M 112,516 -164 -0.1%
Allianz Asset Management
67
Allianz Asset Management
Germany
$80.9M 110,552 +27,589 +33%
Neuberger Berman Group
68
Neuberger Berman Group
New York
$80.7M 110,389 +7,663 +7%
Mitsubishi UFJ Asset Management
69
Mitsubishi UFJ Asset Management
Japan
$80.4M 109,934 +10,761 +11%
SO
70
STRS Ohio
Ohio
$80M 109,406 -4,594 -4%
Manulife (Manufacturers Life Insurance)
71
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$78.3M 107,038 -16,393 -13%
RS
72
Robeco Schweiz
Switzerland
$78.1M 106,743 -9,303 -8%
Stifel Financial
73
Stifel Financial
Missouri
$77M 105,333 +22,066 +27%
Axa
74
Axa
France
$76.5M 104,584 +33,834 +48%
Baird Financial Group
75
Baird Financial Group
Wisconsin
$76.3M 104,333 -4,199 -4%
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