1,027 hedge funds and large institutions have $37.4B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 387 increasing their positions, 341 reducing their positions, and 74 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 → $37.4B (+$642M)

1.82% less ownership

Funds ownership: 88.09%86.27% (-1.8%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,027
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
CPW
451
Cove Private Wealth
New York
$2.07M
VNA
452
Valley National Advisers
Pennsylvania
$2.06M
IMCOOI
453
Investment Management Corp of Ontario (IMCO)
Canada
$2.04M
IGAM
454
iA Global Asset Management
Quebec, Canada
$2.03M
FC
455
Farringdon Capital
United Kingdom
$2.03M
MC
456
Mirabaud & Cie
Switzerland
$2.03M
PIM
457
Plato Investment Management
Australia
$2M
SBFM
458
S-Bank Fund Management
Finland
$2M
MOS
459
MGO One Seven
Ohio
$1.99M
NMERB
460
New Mexico Educational Retirement Board
New Mexico
$1.97M
CS
461
Candriam SCA
Luxembourg
$1.96M
AAM
462
Advisors Asset Management
Colorado
$1.94M
SLI
463
Sumitomo Life Insurance
Japan
$1.91M
TI
464
Tidal Investments
Wisconsin
$1.89M
TCPG
465
Trivant Custom Portfolio Group
California
$1.84M
HA
466
Harfst & Associates
Wyoming
$1.81M
RMC
467
Resources Management Corp
Connecticut
$1.81M
TRCT
468
Tower Research Capital (TRC)
New York
$1.78M
OC
469
Oppenheimer & Co
New York
$1.76M
RB
470
Rodgers Brothers
Pennsylvania
$1.74M
WA
471
Wasatch Advisors
Utah
$1.73M
ALMGDA
472
AG2R La Mondiale Gestion d'Actifs
France
$1.73M
PDL
473
Portfolio Design Labs
California
$1.72M
QCM
474
QRG Capital Management
Illinois
$1.69M
PP
475
Prudential plc
United Kingdom
$1.67M