1,018 hedge funds and large institutions have $37.3B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 385 increasing their positions, 337 reducing their positions, and 76 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $36.7B → $37.3B (+$588M)

1.95% less ownership

Funds ownership: 88.09%86.14% (-1.9%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,018
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$48.8M
Puts
$15.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VNA
451
Valley National Advisers
Pennsylvania
$2.06M
IMCOOI
452
Investment Management Corp of Ontario (IMCO)
Canada
$2.04M
IGAM
453
iA Global Asset Management
Quebec, Canada
$2.03M
FC
454
Farringdon Capital
United Kingdom
$2.03M
MC
455
Mirabaud & Cie
Switzerland
$2.03M
PIM
456
Plato Investment Management
Australia
$2M
SBFM
457
S-Bank Fund Management
Finland
$2M
MOS
458
MGO One Seven
Ohio
$1.99M
NMERB
459
New Mexico Educational Retirement Board
New Mexico
$1.97M
CS
460
Candriam SCA
Luxembourg
$1.96M
AAM
461
Advisors Asset Management
Colorado
$1.94M
SLI
462
Sumitomo Life Insurance
Japan
$1.91M
TI
463
Tidal Investments
Wisconsin
$1.89M
TCPG
464
Trivant Custom Portfolio Group
California
$1.84M
HA
465
Harfst & Associates
Wyoming
$1.81M
RMC
466
Resources Management Corp
Connecticut
$1.81M
TRCT
467
Tower Research Capital (TRC)
New York
$1.78M
OC
468
Oppenheimer & Co
New York
$1.76M
RB
469
Rodgers Brothers
Pennsylvania
$1.74M
WA
470
Wasatch Advisors
Utah
$1.73M
ALMGDA
471
AG2R La Mondiale Gestion d'Actifs
France
$1.73M
PDL
472
Portfolio Design Labs
California
$1.72M
QCM
473
QRG Capital Management
Illinois
$1.69M
PP
474
Prudential plc
United Kingdom
$1.67M
IIM
475
Illumine Investment Management
Washington
$1.66M