1,009 hedge funds and large institutions have $37B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 118 funds opening new positions, 380 increasing their positions, 334 reducing their positions, and 75 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:

1% more capital invested

Capital invested by funds: $36.7B → $37B (+$292M)

2.62% less ownership

Funds ownership: 87.97%85.35% (-2.6%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,009
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
OBWP
651
O'Brien Wealth Partners
Massachusetts
$479K
PA
652
Profund Advisors
Maryland
$478K
WJWM
653
Williams Jones Wealth Management
New York
$477K
PAS
654
Point72 Asia (Singapore)
Singapore
$477K
CIA
655
Caerus Investment Advisors
Texas
$476K
LFAS
656
Level Four Advisory Services
Texas
$475K
GD
657
Grandfield & Dodd
New York
$474K
MWM
658
Moran Wealth Management
Florida
$474K
DS
659
DRW Securities
Illinois
$471K
SWM
660
Segment Wealth Management
Texas
$456K
ST
661
Sageworth Trust
Pennsylvania
$456K
CFG
662
Citizens Financial Group
Rhode Island
$450K
GWM
663
GSB Wealth Management
Connecticut
$448K
FRA
664
Frank Rimerman Advisors
California
$442K
BCV
665
Banque Cantonale Vaudoise
Switzerland
$437K
TC
666
TwinBeech Capital
New York
$436K
FFB
667
First Financial Bankshares
Texas
$435K
FCM
668
Fieldview Capital Management
Michigan
$431K
CSIA
669
Conrad Siegel Investment Advisors
Pennsylvania
$428K
CI
670
Cigna Investments
Connecticut
$428K
LAM
671
LECAP Asset Management
United Kingdom
$424K
RFN
672
RDA Financial Network
Iowa
$422K
First Manhattan
673
First Manhattan
New York
$418K
KPWS
674
Kestra Private Wealth Services
Texas
$417K
PJSIMP
675
P.J. Schmidt Investment Management (PJS)
Wisconsin
$414K