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
AI
476
Atria Investments
North Carolina
$1.98M
HA
477
Harfst & Associates
Wyoming
$1.97M
DA
478
Drake & Associates
Wisconsin
$1.96M
AAF
479
Andra AP-fonden
Sweden
$1.95M
PDL
480
Portfolio Design Labs
California
$1.94M
BBHC
481
Brown Brothers Harriman & Co
New York
$1.92M
RB
482
Rodgers Brothers
Pennsylvania
$1.9M
CGH
483
Crossmark Global Holdings
Texas
$1.87M
VA
484
Vident Advisory
Georgia
$1.87M
RMC
485
Resources Management Corp
Connecticut
$1.86M
MAG
486
Mayfair Advisory Group
Alabama
$1.82M
IIM
487
Illumine Investment Management
Washington
$1.8M
CL
488
Choreo LLC
Illinois
$1.79M
PAG
489
Private Advisor Group
New Jersey
$1.79M
GIA
490
Gateway Investment Advisers
Ohio
$1.79M
SFA
491
Sequoia Financial Advisors
Ohio
$1.79M
A
492
AustralianSuper
Australia
$1.78M
EOJOAM
493
E. Ohman J:or Asset Management
Sweden
$1.77M
MFG
494
Merit Financial Group
Georgia
$1.75M
GC
495
Guggenheim Capital
Illinois
$1.74M
CAM
496
Close Asset Management
United Kingdom
$1.72M
MC
497
Mirabaud & Cie
Switzerland
$1.7M
CAM
498
Carret Asset Management
New York
$1.7M
CAG
499
Crestwood Advisors Group
Massachusetts
$1.7M
VPI
500
Value Partners Investments
Manitoba, Canada
$1.7M