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Monolithic Power Systems

1,058 hedge funds and large institutions have $43.2B invested in Monolithic Power Systems in 2025 Q4 according to their latest regulatory filings, with 188 funds opening new positions, 382 increasing their positions, 352 reducing their positions, and 91 closing their positions.

New
Increased
Maintained
Reduced
Closed

107% more first-time investments, than exits

New positions opened: 188 | Existing positions closed: 91

8% more funds holding

Funds holding: 9781,058 (+80)

5.97% more ownership

Funds ownership: 97.79%103.76% (+6%)

9% more repeat investments, than reductions

Existing positions increased: 382 | Existing positions reduced: 352

1% more capital invested

Capital invested by funds: $43B → $43.2B (+$264M)

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

49% less call options, than puts

Call options by funds: $274M | Put options by funds: $538M

Holders
1,058
Holders Change
+80
Holders Change %
+8.18%
% of All Funds
12.87%
Holding in Top 10
9
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-10%
% of All Funds
0.11%
New
188
Increased
382
Reduced
352
Closed
91
Calls
$274M
Puts
$538M
Net Calls
-$264M
Net Calls Change
-$232M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$5.47B -$38.1M -39,639 -0.7%
BlackRock
2
BlackRock
New York
$5.4B +$227M +235,617 +4%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$3.6B +$397M +412,212 +12%
State Street
4
State Street
Massachusetts
$1.98B +$44M +45,715 +2%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.53B +$113M +117,596 +7%
Invesco
6
Invesco
Georgia
$1.3B +$284M +295,556 +26%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$1.25B +$42.9M +44,583 +3%
Franklin Resources
8
Franklin Resources
California
$951M -$2.54M -2,644 -0.3%
Norges Bank
9
Norges Bank
Norway
$659M +$699M +726,705 New
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$657M -$25.2M -26,194 -3%
First Trust Advisors
11
First Trust Advisors
Illinois
$636M +$244M +253,653 +57%
Morgan Stanley
12
Morgan Stanley
New York
$588M +$87M +90,399 +16%
Barclays
13
Barclays
United Kingdom
$548M +$234M +242,740 +67%
Goldman Sachs
14
Goldman Sachs
New York
$538M +$153M +159,417 +37%
Massachusetts Financial Services
15
Massachusetts Financial Services
Massachusetts
$517M +$13.6M +14,132 +3%
Bank of America
16
Bank of America
North Carolina
$498M -$167M -173,241 -24%
JP Morgan Chase
17
JP Morgan Chase
New York
$464M -$338M -350,955 -41%
VanEck Associates
18
VanEck Associates
New York
$455M -$221M -230,136 -31%
Brown Advisory
19
Brown Advisory
Maryland
$454M -$221M -229,364 -31%
Northern Trust
20
Northern Trust
Illinois
$438M -$2.05M -2,131 -0.4%
UBS Group
21
UBS Group
Switzerland
$398M -$86M -89,334 -17%
Rafferty Asset Management
22
Rafferty Asset Management
New York
$359M +$16.5M +17,146 +5%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$349M -$65.6M -68,168 -15%
Charles Schwab
24
Charles Schwab
California
$331M +$7.19M +7,474 +2%
Legal & General Group
25
Legal & General Group
United Kingdom
$323M -$1.72M -1,790 -0.5%