1,108 hedge funds and large institutions have $41.8B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 175 funds opening new positions, 396 increasing their positions, 369 reducing their positions, and 69 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: $ → $

8% more funds holding

Funds holding: 1,0271,108 (+81)

2.26% more ownership

Funds ownership: 86.27%88.53% (+2.3%)

7% more repeat investments, than reductions

Existing positions increased: 396 | Existing positions reduced: 369

Holders
1,108
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
PCM
251
Pinnbrook Capital Management
New York
$10.7M
CRM
252
Cramer Rosenthal McGlynn
Connecticut
$10.7M
RBI
253
Raiffeisen Bank International
Austria
$10.7M
MA
254
Montag & Associates
Georgia
$10.5M
SC
255
SMA Capital
New York
$10.5M
Janney Montgomery Scott
256
Janney Montgomery Scott
Pennsylvania
$10.2M
PR
257
Payden & Rygel
California
$10.1M
Retirement Systems of Alabama
258
Retirement Systems of Alabama
Alabama
$10.1M
MCM
259
Marsico Capital Management
Colorado
$9.99M
BFM
260
Boothbay Fund Management
New York
$9.96M
CII
261
Capital International Inc
California
$9.83M
N
262
Natixis
France
$9.63M
WCA
263
Waratah Capital Advisors
Ontario, Canada
$9.6M
Cetera Investment Advisers
264
Cetera Investment Advisers
Illinois
$9.43M
HighTower Advisors
265
HighTower Advisors
Illinois
$9.4M
LRPA
266
L. Roy Papp & Associates
Arizona
$9.32M
Mirae Asset Global Investments
267
Mirae Asset Global Investments
South Korea
$9.3M
ProShare Advisors
268
ProShare Advisors
Maryland
$9.29M
FAF
269
Första AP-fonden
Sweden
$9.28M
II
270
IFM Investors
Australia
$9.27M
EAM
271
Erste Asset Management
Austria
$9.16M
BTW
272
Boston Trust Walden
Massachusetts
$9.12M
CCM
273
Carderock Capital Management
Maryland
$8.99M
CGPCS
274
Capital Group Private Client Services
California
$8.82M
AB
275
Amalgamated Bank
New York
$8.73M