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
ADMI
826
Albert D. Mason Inc
Massachusetts
$208K
CFG
827
Cooper Financial Group
California
$205K
BFO
828
Boston Family Office
Massachusetts
$204K
LAM
829
L2 Asset Management
Massachusetts
$203K
Los Angeles Capital Management
830
Los Angeles Capital Management
California
$203K
AA
831
Armis Advisers
Georgia
$202K
AWM
832
Avior Wealth Management
Nebraska
$202K
WANY
833
Wealthspire Advisors (New York)
New York
$190K
TWC
834
TD Waterhouse Canada
Ontario, Canada
$187K
NS
835
NBC Securities
Alabama
$185K
RIL
836
Rothschild Investment LLC
Illinois
$161K
WTA
837
Washington Trust Advisors
Massachusetts
$150K
Cohen & Steers
838
Cohen & Steers
New York
$150K
PFBT
839
Parkside Financial Bank & Trust
Missouri
$146K
LFG
840
Larson Financial Group
Missouri
$139K
AAS
841
Ameritas Advisory Services
Nebraska
$138K
IA
842
IFP Advisors
Florida
$137K
CT
843
Colonial Trust
South Carolina
$132K
AI
844
AdvisorShares Investments
Maryland
$120K
OL
845
OneFund LLC
Florida
$118K
SIM
846
Sentry Investment Management
Wisconsin
$103K
HIA
847
Harbor Investment Advisory
Maryland
$100K
CFO
848
CVA Family Office
Colorado
$97.4K
ASN
849
Advisory Services Network
Georgia
$91.8K
CH
850
Cromwell Holdings
Wyoming
$90.6K