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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 %
Vanguard Group
1
Vanguard Group
Pennsylvania
$4.34B 5,939,946 +19,277 +0.3%
BlackRock
2
BlackRock
New York
$3.82B 5,229,221 +316,313 +6%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$2.48B 3,392,704 -106,005 -3%
State Street
4
State Street
Massachusetts
$1.55B 2,120,034 +4,329 +0.2%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.53B 2,088,804 +54,073 +3%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$962M 1,318,541 -87,495 -6%
Invesco
7
Invesco
Georgia
$853M 1,166,059 -83,276 -7%
Franklin Resources
8
Franklin Resources
California
$796M 1,088,297 -255,533 -19%
VanEck Associates
9
VanEck Associates
New York
$696M 952,060 -94,198 -9%
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$679M 927,806 +613,357 +195%
Brown Advisory
11
Brown Advisory
Maryland
$632M 864,309 -69,316 -7%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$627M 856,725 +227,159 +36%
Wellington Management Group
13
Wellington Management Group
Massachusetts
$514M 703,151 -58,755 -8%
Bank of America
14
Bank of America
North Carolina
$507M 692,747 +105,721 +18%
Norges Bank
15
Norges Bank
Norway
$438M 598,887 +598,887 New
Morgan Stanley
16
Morgan Stanley
New York
$413M 565,019 +24,388 +5%
Rafferty Asset Management
17
Rafferty Asset Management
New York
$387M 529,124 +140,269 +36%
Fidelity International
18
Fidelity International
Bermuda
$383M 523,073 +412,486 +373%
Goldman Sachs
19
Goldman Sachs
New York
$375M 512,448 +213,934 +72%
UBS Group
20
UBS Group
Switzerland
$368M 502,536 +145,246 +41%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$355M 485,388 +27,837 +6%
Northern Trust
22
Northern Trust
Illinois
$353M 482,057 -16,459 -3%
Barclays
23
Barclays
United Kingdom
$321M 438,599 +69,896 +19%
Kayne Anderson Rudnick Investment Management
24
Kayne Anderson Rudnick Investment Management
California
$266M 363,958 +2,834 +0.8%
Legal & General Group
25
Legal & General Group
United Kingdom
$256M 350,574 +13,841 +4%
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