1,116 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 180 funds opening new positions, 398 increasing their positions, 370 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: 1,0271,116 (+89)

2.87% more ownership

Funds ownership: 86.26%89.14% (+2.9%)

8% more repeat investments, than reductions

Existing positions increased: 398 | Existing positions reduced: 370

Holders
1,116
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
ECM
576
Estabrook Capital Management
New York
$1.07M
SPC
577
Spirepoint Private Client
Florida
$1.04M
GWM
578
Gibbs Wealth Management
Georgia
$1.04M
CBUSF
579
Construction & Building Unions Superannuation Fund
Australia
$1.03M
BPMC
580
Buckland Partners Management Co
New York
$1.03M
TSS
581
Two Sigma Securities
New York
$1.02M
S
582
SignatureFD
Georgia
$1.02M
Simplex Trading
583
Simplex Trading
Illinois
$1.02M
MIM
584
Morningstar Investment Management
Illinois
$1.01M
NA
585
NewEdge Advisors
Louisiana
$997K
VI
586
Vestcor Inc
New Brunswick, Canada
$995K
HNB
587
Huntington National Bank
Ohio
$990K
CFO
588
Callan Family Office
Pennsylvania
$987K
MSFS
589
Main Street Financial Solutions
Pennsylvania
$983K
BWM
590
Biltmore Wealth Management
Arizona
$981K
MAM
591
Meeder Asset Management
Ohio
$965K
NG
592
Norden Group
Utah
$958K
OQS
593
Occudo Quantitative Strategies
Florida
$953K
BA
594
Bridgewater Associates
Connecticut
$946K
LWCFA
595
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$937K
KJHP
596
K.J. Harrison & Partners
Ontario, Canada
$935K
IRP
597
Investment Research Partners
Pennsylvania
$930K
KIA
598
Knollwood Investment Advisory
Maryland
$924K
LIM
599
Leavell Investment Management
Alabama
$917K
AAS
600
Annex Advisory Services
Wisconsin
$917K