1,109 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, 370 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: 1,0271,109 (+82)

2.27% more ownership

Funds ownership: 86.27%88.54% (+2.3%)

7% more repeat investments, than reductions

Existing positions increased: 396 | Existing positions reduced: 370

Holders
1,109
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
PGFC
301
Peapack-Gladstone Financial Corp
New Jersey
$7.28M
Macquarie Group
302
Macquarie Group
Australia
$7.26M
VIM
303
Vinva Investment Management
Australia
$7.26M
JIC
304
Johnson Investment Counsel
Ohio
$7.14M
RCM
305
Regency Capital Management
Hawaii
$7.13M
Schroder Investment Management Group
306
Schroder Investment Management Group
United Kingdom
$6.98M
SWMP
307
Signature Wealth Management Partners
New Jersey
$6.97M
MIM
308
Martin Investment Management
Florida
$6.95M
Susquehanna International Group
309
Susquehanna International Group
Pennsylvania
$6.89M
AG
310
Ascent Group
Virginia
$6.86M
TAF
311
Tredje AP-fonden
Sweden
$6.72M
Truist Financial
312
Truist Financial
North Carolina
$6.69M
SG
313
StoneX Group
New York
$6.69M
Wealthfront Advisers
314
Wealthfront Advisers
California
$6.63M
Brown Advisory
315
Brown Advisory
Maryland
$6.62M
CWM
316
CIBC World Markets
New York
$6.58M
NYLIM
317
New York Life Investment Management
New York
$6.51M
GAAM
318
Guinness Atkinson Asset Management
California
$6.49M
US Bancorp
319
US Bancorp
Minnesota
$6.47M
MYAM
320
Meiji Yasuda Asset Management
Japan
$6.44M
Osaic Holdings
321
Osaic Holdings
Arizona
$6.44M
PIA
322
Petredis Investment Advisors
Pennsylvania
$6.42M
GC
323
Grimes & Company
Massachusetts
$6.34M
RIM
324
Rakuten Investment Management
Japan
$6.33M
CHAM
325
Clear Harbor Asset Management
Connecticut
$6.27M