1,028 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, 388 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: $36.7B → $37.4B (+$642M)

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
1,028
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
SCM
351
Sterling Capital Management
North Carolina
$4.62M
QCG
352
Quadrant Capital Group
Ohio
$4.62M
CIC
353
Carnegie Investment Counsel
Ohio
$4.61M
MC
354
Machina Capital
France
$4.58M
RAM
355
Robocap Asset Management
United Kingdom
$4.57M
Mercer Global Advisors
356
Mercer Global Advisors
Colorado
$4.47M
CISOA
357
Capital Investment Services of America
Wisconsin
$4.44M
TIAA Trust, National Association
358
TIAA Trust, National Association
North Carolina
$4.4M
OAM
359
Ostrum Asset Management
France
$4.4M
HI
360
Horizon Investments
North Carolina
$4.33M
AIM
361
ARK Investment Management
Florida
$4.32M
ACM
362
Argent Capital Management
Missouri
$4.28M
UM
363
UniSuper Management
Australia
$4.27M
Pathstone Holdings
364
Pathstone Holdings
New Jersey
$4.22M
RC
365
Roundview Capital
New Jersey
$4.13M
TWP
366
Tyche Wealth Partners
Texas
$4.12M
FNA
367
First National Advisers
Nebraska
$4.12M
SLAM
368
Swiss Life Asset Management
$4.11M
AF
369
Allworth Financial
California
$4.09M
FAM
370
Fulcrum Asset Management
United Kingdom
$4.04M
Public Employees Retirement Association of Colorado
371
Public Employees Retirement Association of Colorado
Colorado
$4.01M
Fuller & Thaler Asset Management
372
Fuller & Thaler Asset Management
California
$4.01M
A
373
AlphaQuest
New York
$4.01M
EI
374
Ethic Inc
New York
$3.98M
1WM
375
1858 Wealth Management
Ohio
$3.98M