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
FFM
651
Forum Financial Management
Illinois
$507K
MWM
652
Maridea Wealth Management
New York
$507K
SLG
653
Stanley-Laman Group
Pennsylvania
$505K
ECM
654
Element Capital Management
New York
$503K
MM
655
MQS Management
New York
$496K
SWP
656
Sagespring Wealth Partners
Tennessee
$495K
SFI
657
Susquehanna Fundamental Investments
Pennsylvania
$494K
OBWP
658
O'Brien Wealth Partners
Massachusetts
$479K
PA
659
Profund Advisors
Maryland
$478K
WJWM
660
Williams Jones Wealth Management
New York
$477K
PAS
661
Point72 Asia (Singapore)
Singapore
$477K
CIA
662
Caerus Investment Advisors
Texas
$476K
LFAS
663
Level Four Advisory Services
Texas
$475K
GD
664
Grandfield & Dodd
New York
$474K
MWM
665
Moran Wealth Management
Florida
$474K
DS
666
DRW Securities
Illinois
$471K
SWM
667
Segment Wealth Management
Texas
$456K
ST
668
Sageworth Trust
Pennsylvania
$456K
CFG
669
Citizens Financial Group
Rhode Island
$450K
GWM
670
GSB Wealth Management
Connecticut
$448K
FRA
671
Frank Rimerman Advisors
California
$442K
BCV
672
Banque Cantonale Vaudoise
Switzerland
$437K
TC
673
TwinBeech Capital
New York
$436K
FFB
674
First Financial Bankshares
Texas
$435K
FCM
675
Fieldview Capital Management
Michigan
$431K