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
AC
451
Addison Capital
Pennsylvania
$2.35M
CAG
452
Cypress Advisory Group
Arizona
$2.34M
JF
453
Jump Financial
Illinois
$2.34M
VAS
454
Vestmark Advisory Solutions
Massachusetts
$2.33M
CIBC World Market
455
CIBC World Market
Ontario, Canada
$2.32M
TI
456
Tidal Investments
Wisconsin
$2.3M
RG
457
Rathbones Group
United Kingdom
$2.29M
BA
458
Bellwether Advisors
Nebraska
$2.26M
SP
459
Sarasin & Partners
United Kingdom
$2.26M
OTL
460
Oak Thistle LLC
New York
$2.23M
PIM
461
Plato Investment Management
Australia
$2.22M
LCM
462
Landscape Capital Management
New Jersey
$2.18M
VNA
463
Valley National Advisers
Pennsylvania
$2.18M
MOS
464
MGO One Seven
Ohio
$2.17M
NMERB
465
New Mexico Educational Retirement Board
New Mexico
$2.17M
VIA
466
Virtus Investment Advisers
Connecticut
$2.12M
SLI
467
Sumitomo Life Insurance
Japan
$2.1M
ALMGDA
468
AG2R La Mondiale Gestion d'Actifs
France
$2.09M
AAIS
469
ABN AMRO Investment Solutions
$2.06M
SG
470
Sienna Gestion
France
$2.06M
TWP
471
Tyche Wealth Partners
Texas
$2.06M
AWM
472
Accurate Wealth Management
Florida
$2.05M
IIM
473
INTECH Investment Management
Florida
$2.03M
TCPG
474
Trivant Custom Portfolio Group
California
$2M
RCA
475
Runnymede Capital Advisors
Ohio
$2M