1,123 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 183 funds opening new positions, 399 increasing their positions, 372 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 1,0301,123 (+93)

2.92% more ownership

Funds ownership: 86.28%89.2% (+2.9%)

7% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 372

Holders
1,123
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$87.1M
Puts
$49M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
BIA
1001
Bell Investment Advisors
California
$11.5K
AP
1002
Aspect Partners
Virginia
$11.5K
CFS
1003
CGC Financial Services
Oregon
$11.3K
PPC
1004
Park Place Capital
Alabama
$11.3K
DPW
1005
DiNuzzo Private Wealth
Pennsylvania
$11.1K
RFS
1006
Richardson Financial Services
Massachusetts
$11K
AW
1007
Avion Wealth
Texas
$11K
EW
1008
Elyxium Wealth
California
$10.9K
RDFA
1009
Ritter Daniher Financial Advisory
Ohio
$10.9K
IUHSA
1010
Itau Unibanco Holding S.A.
Brazil
$10.9K
SS
1011
SBI Securities
Japan
$10.5K
SR
1012
Swiss Re
Switzerland
$10.5K
YAL
1013
Your Advocates Ltd
Texas
$10.3K
CA
1014
Crewe Advisors
Utah
$10.1K
HHMI
1015
Howard Hughes Medical Institute
Maryland
$10.1K
WCM
1016
Westend Capital Management
California
$9.65K
PGAM
1017
Princeton Global Asset Management
New Jersey
$9.44K
AF
1018
Alerus Financial
North Dakota
$9.44K
WAG
1019
Wilkerson Advisory Group
Missouri
$9.24K
GCM
1020
Gables Capital Management
Florida
$9.03K
SHIM
1021
Stone House Investment Management
Pennsylvania
$9.03K
MAM
1022
Marquette Asset Management
Minnesota
$8.83K
NWMP
1023
Noble Wealth Management PBC
Colorado
$8.83K
CTWM
1024
Cherry Tree Wealth Management
Minnesota
$8.62K
SL
1025
Salomon & Ludwin
Virginia
$8.24K