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
Lido Advisors
501
Lido Advisors
California
$1.41M
DWA
502
Douglass Winthrop Advisors
New York
$1.41M
PAG
503
Private Advisor Group
New Jersey
$1.38M
NMIMC
504
Northwestern Mutual Investment Management Company
Wisconsin
$1.38M
BPC
505
Banque Pictet & Cie
Switzerland
$1.38M
DFCM
506
Dark Forest Capital Management
Puerto Rico
$1.38M
AC
507
Allstate Corporation
Illinois
$1.38M
HWM
508
HB Wealth Management
Georgia
$1.37M
KTM
509
Keeler Thomas Management
Utah
$1.37M
IA
510
Inspire Advisors
Idaho
$1.36M
IWC
511
Integrated Wealth Concepts
Massachusetts
$1.34M
BBHC
512
Brown Brothers Harriman & Co
New York
$1.34M
Fifth Third Bancorp
513
Fifth Third Bancorp
Ohio
$1.33M
MFG
514
Merit Financial Group
Georgia
$1.32M
DC
515
Davenport & Co
Virginia
$1.3M
BBVA
516
Banco Bilbao Vizcaya Argentaria
Spain
$1.27M
RBWA
517
RFG - Bristol Wealth Advisors
Massachusetts
$1.27M
Kovitz Investment Group Partners
518
Kovitz Investment Group Partners
Illinois
$1.27M
GWMR
519
GC Wealth Management RIA
Massachusetts
$1.26M
MYLI
520
Meiji Yasuda Life Insurance
Japan
$1.26M
PAS
521
Park Avenue Securities
New York
$1.24M
MFG
522
Monte Financial Group
Connecticut
$1.24M
WPW
523
Waldron Private Wealth
Pennsylvania
$1.23M
CL
524
Choreo LLC
Illinois
$1.23M
MMA
525
Miracle Mile Advisors
California
$1.21M