1,030 hedge funds and large institutions have $37.4B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 389 increasing their positions, 341 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $36.8B → $37.4B (+$643M)

1.82% less ownership

Funds ownership: 88.1%86.28% (-1.8%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,030
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$48.8M
Puts
$15.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$264M
27
$262M
28
$258M
29
$252M
30
$247M
31
$234M
32
$231M
33
$230M
34
$187M
35
$179M
36
$173M
37
$170M
38
$169M
39
$167M
40
$166M
41
$164M
42
$163M
43
$162M
44
$159M
45
$158M
46
$156M
47
$154M
48
$154M
49
$152M
50
$148M