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
LNWWM
526
Laird Norton Wetherby Wealth Management
California
$1.2M
NCM
527
Noesis Capital Mangement
Florida
$1.2M
FWA
528
FSM Wealth Advisors
Ohio
$1.2M
GI
529
GAMMA Investing
California
$1.18M
MSA
530
MUFG Securities Americas
New York
$1.17M
Squarepoint
531
Squarepoint
New York
$1.16M
ETC
532
Exchange Traded Concepts
Oklahoma
$1.14M
KRSITF
533
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$1.14M
Nomura Holdings
534
Nomura Holdings
Japan
$1.14M
FRM
535
Fox Run Management
Connecticut
$1.14M
SFA
536
Sequoia Financial Advisors
Ohio
$1.13M
PGCM
537
Prescott Group Capital Management
Oklahoma
$1.13M
IFU
538
iSAM Funds (UK)
United Kingdom
$1.1M
RS
539
R Squared
Hong Kong
$1.1M
AWMS
540
Advocacy Wealth Management Services
Georgia
$1.09M
IWA
541
IVC Wealth Advisors
Pennsylvania
$1.09M
PA
542
PSI Advisors
Florida
$1.08M
VT
543
Vise Technologies
New York
$1.08M
NAM
544
NorthCrest Asset Manangement
Minnesota
$1.07M
CCM
545
Coldstream Capital Management
Washington
$1.07M
CA
546
Clearstead Advisors
Ohio
$1.06M
ABC
547
Associated Banc-Corp
Wisconsin
$1.06M
ECM
548
Estabrook Capital Management
New York
$1.05M
BHWM
549
Bar Harbor Wealth Management
New Hampshire
$1.05M
SAM
550
Smartleaf Asset Management
Massachusetts
$1.05M