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
CAG
451
Cypress Advisory Group
Arizona
$2.34M
JF
452
Jump Financial
Illinois
$2.34M
VAS
453
Vestmark Advisory Solutions
Massachusetts
$2.33M
CIBC World Market
454
CIBC World Market
Ontario, Canada
$2.32M
TI
455
Tidal Investments
Wisconsin
$2.3M
RG
456
Rathbones Group
United Kingdom
$2.29M
BA
457
Bellwether Advisors
Nebraska
$2.26M
SP
458
Sarasin & Partners
United Kingdom
$2.26M
OTL
459
Oak Thistle LLC
New York
$2.23M
PIM
460
Plato Investment Management
Australia
$2.22M
LCM
461
Landscape Capital Management
New Jersey
$2.18M
VNA
462
Valley National Advisers
Pennsylvania
$2.18M
MOS
463
MGO One Seven
Ohio
$2.17M
NMERB
464
New Mexico Educational Retirement Board
New Mexico
$2.17M
VIA
465
Virtus Investment Advisers
Connecticut
$2.12M
SLI
466
Sumitomo Life Insurance
Japan
$2.1M
ALMGDA
467
AG2R La Mondiale Gestion d'Actifs
France
$2.09M
AAIS
468
ABN AMRO Investment Solutions
$2.06M
SG
469
Sienna Gestion
France
$2.06M
TWP
470
Tyche Wealth Partners
Texas
$2.06M
AWM
471
Accurate Wealth Management
Florida
$2.05M
IIM
472
INTECH Investment Management
Florida
$2.03M
TCPG
473
Trivant Custom Portfolio Group
California
$2M
RCA
474
Runnymede Capital Advisors
Ohio
$2M
AI
475
Atria Investments
North Carolina
$1.98M