1,018 hedge funds and large institutions have $37.3B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 385 increasing their positions, 337 reducing their positions, and 76 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 → $37.3B (+$588M)

1.95% less ownership

Funds ownership: 88.09%86.14% (-1.9%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,018
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
HFS
1001
Hughes Financial Services
Virginia
$594
RPA
1002
Redwood Park Advisors
California
$564
LCM
1003
Logan Capital Management
Pennsylvania
$564
NSIM
1004
North Star Investment Management
Illinois
$564
PMFA
1005
Plante Moran Financial Advisors
Michigan
$564
BIM
1006
Breakwater Investment Management
Washington
$564
SA
1007
Seneschal Advisors
Washington
$564
EWP
1008
Elevation Wealth Partners
California
$564
Q1WB
1009
Quest 10 Wealth Builders
Virginia
$496
IAS
1010
IMA Advisory Services
Colorado
$376
QWM
1011
Quaker Wealth Management
New Jersey
$376
NL
1012
NVWM LLC
Pennsylvania
$376
EFMH
1013
E Fund Management (HK)
Hong Kong
$376
WW
1014
Winnow Wealth
Texas
$376
HNW
1015
High Note Wealth
Minnesota
$376
DCM
1016
Davis Capital Management
Florida
$376
BCWM
1017
Bartlett & Co Wealth Management
Ohio
$188
BHWM
1018
Beaird Harris Wealth Management
Texas
$188
Norges Bank
1019
Norges Bank
Norway
Alyeska Investment Group
1020
Alyeska Investment Group
Illinois
Axa
1021
Axa
France
ECM
1022
ExodusPoint Capital Management
New York
MF
1023
Magnetar Financial
Illinois
NIG
1024
NFJ Investment Group
Texas
TI
1025
Trexquant Investment
Connecticut