MPWR icon

Monolithic Power Systems
MPWR

Overview Fund Activity

891 hedge funds and large institutions have $34.5B invested in Monolithic Power Systems in 2025 Q2 according to their latest regulatory filings, with 135 funds opening new positions, 368 increasing their positions, 300 reducing their positions, and 77 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
891
Holders Change
+43
Holders Change %
+5.07%
% of All Funds
11.95%
Holding in Top 10
6
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+100%
% of All Funds
0.08%
New
135
Increased
368
Reduced
300
Closed
77
Calls
$238M
Puts
$338M
Net Calls
-$100M
Net Calls Change
-$75.6M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$679M
2
Fidelity International
Fidelity International
Bermuda
$383M
3
BlackRock
BlackRock
New York
$3.82B
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$627M
5
Goldman Sachs
Goldman Sachs
New York
$375M

Top Sellers

1
Franklin Resources
Franklin Resources
California
$796M
2
Alyeska Investment Group
Alyeska Investment Group
Illinois
$0
3
Coatue Management
Coatue Management
New York
$0
4
Artisan Partners
Artisan Partners
Wisconsin
$152M
5
Millennium Management
Millennium Management
New York
$11.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$4.34B +$14.1M +19,277 +0.3%
BlackRock
2
BlackRock
New York
$3.82B +$231M +316,313 +6%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$2.48B -$77.5M -106,005 -3%
State Street
4
State Street
Massachusetts
$1.55B +$3.17M +4,329 +0.2%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.53B +$39.5M +54,073 +3%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$962M -$63.8M -87,495 -6%
Invesco
7
Invesco
Georgia
$853M -$60.9M -83,276 -7%
Franklin Resources
8
Franklin Resources
California
$796M -$187M -255,533 -19%
VanEck Associates
9
VanEck Associates
New York
$696M -$68.9M -94,198 -9%
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$679M +$449M +613,357 +195%
Brown Advisory
11
Brown Advisory
Maryland
$632M -$50.7M -69,316 -7%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$627M +$166M +227,159 +36%
Wellington Management Group
13
Wellington Management Group
Massachusetts
$514M -$43M -58,755 -8%
Bank of America
14
Bank of America
North Carolina
$507M +$77.3M +105,721 +18%
Norges Bank
15
Norges Bank
Norway
$438M +$438M +598,887 New
Morgan Stanley
16
Morgan Stanley
New York
$413M +$17.8M +24,388 +5%
Rafferty Asset Management
17
Rafferty Asset Management
New York
$387M +$103M +140,269 +36%
Fidelity International
18
Fidelity International
Bermuda
$383M +$302M +412,486 +373%
Goldman Sachs
19
Goldman Sachs
New York
$375M +$156M +213,934 +72%
UBS Group
20
UBS Group
Switzerland
$368M +$106M +145,246 +41%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$355M +$20.4M +27,837 +6%
Northern Trust
22
Northern Trust
Illinois
$353M -$12M -16,459 -3%
Barclays
23
Barclays
United Kingdom
$321M +$51.1M +69,896 +19%
Kayne Anderson Rudnick Investment Management
24
Kayne Anderson Rudnick Investment Management
California
$266M +$2.07M +2,834 +0.8%
Legal & General Group
25
Legal & General Group
United Kingdom
$256M +$10.1M +13,841 +4%
1
2 3 4 5