1,116 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 180 funds opening new positions, 398 increasing their positions, 370 reducing their positions, and 70 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: $ → $

9% more funds holding

Funds holding: 1,0271,116 (+89)

2.87% more ownership

Funds ownership: 86.26%89.14% (+2.9%)

8% more repeat investments, than reductions

Existing positions increased: 398 | Existing positions reduced: 370

Holders
1,116
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
MGIA
251
Moneta Group Investment Advisors
Missouri
$10.8M
PCM
252
Pinnbrook Capital Management
New York
$10.7M
CRM
253
Cramer Rosenthal McGlynn
Connecticut
$10.7M
RBI
254
Raiffeisen Bank International
Austria
$10.7M
MA
255
Montag & Associates
Georgia
$10.5M
SC
256
SMA Capital
New York
$10.5M
Janney Montgomery Scott
257
Janney Montgomery Scott
Pennsylvania
$10.2M
PR
258
Payden & Rygel
California
$10.1M
Retirement Systems of Alabama
259
Retirement Systems of Alabama
Alabama
$10.1M
MCM
260
Marsico Capital Management
Colorado
$9.99M
BFM
261
Boothbay Fund Management
New York
$9.96M
CII
262
Capital International Inc
California
$9.83M
N
263
Natixis
France
$9.63M
WCA
264
Waratah Capital Advisors
Ontario, Canada
$9.6M
Cetera Investment Advisers
265
Cetera Investment Advisers
Illinois
$9.43M
HighTower Advisors
266
HighTower Advisors
Illinois
$9.4M
LRPA
267
L. Roy Papp & Associates
Arizona
$9.32M
Mirae Asset Global Investments
268
Mirae Asset Global Investments
South Korea
$9.3M
ProShare Advisors
269
ProShare Advisors
Maryland
$9.29M
FAF
270
Första AP-fonden
Sweden
$9.28M
II
271
IFM Investors
Australia
$9.27M
EAM
272
Erste Asset Management
Austria
$9.16M
BTW
273
Boston Trust Walden
Massachusetts
$9.12M
CCM
274
Carderock Capital Management
Maryland
$8.99M
CGPCS
275
Capital Group Private Client Services
California
$8.82M