1,027 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, 387 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: 88.09%86.27% (-1.8%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,027
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
First Trust Advisors
251
First Trust Advisors
Illinois
$10.7M
Carson Wealth (CWM LLC)
252
Carson Wealth (CWM LLC)
Nebraska
$10.7M
Robeco Institutional Asset Management
253
Robeco Institutional Asset Management
Netherlands
$10.5M
COPPSERS
254
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$10.4M
HighTower Advisors
255
HighTower Advisors
Illinois
$10.2M
MGIA
256
Moneta Group Investment Advisors
Missouri
$9.88M
OAC
257
OMERS Administration Corp
Ontario, Canada
$9.64M
Janney Montgomery Scott
258
Janney Montgomery Scott
Pennsylvania
$9.53M
JF
259
Jump Financial
Illinois
$9.45M
Retirement Systems of Alabama
260
Retirement Systems of Alabama
Alabama
$9.26M
SCM
261
Sone Capital Management
New York
$9.26M
MA
262
Montag & Associates
Georgia
$9.25M
MCM
263
Marsico Capital Management
Colorado
$9.14M
RBI
264
Raiffeisen Bank International
Austria
$9.09M
ECM
265
Eisler Capital Management
United Kingdom
$9.09M
CII
266
Capital International Inc
California
$9.01M
Creative Planning
267
Creative Planning
Kansas
$8.91M
Cetera Investment Advisers
268
Cetera Investment Advisers
Illinois
$8.9M
State of Tennessee, Department of Treasury
269
State of Tennessee, Department of Treasury
Tennessee
$8.89M
MGWM
270
Marks Group Wealth Management
Minnesota
$8.84M
FAF
271
Första AP-fonden
Sweden
$8.72M
CGPCS
272
Capital Group Private Client Services
California
$8.72M
BMSSC
273
B. Metzler seel. Sohn & Co
Germany
$8.65M
AB
274
Amalgamated Bank
New York
$8.55M
CCM
275
Carderock Capital Management
Maryland
$8.31M