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
WSFS
426
Wilmington Savings Fund Society
Delaware
$2.52M
DGM
427
Delta Global Management
New York
$2.5M
IB
428
Intrust Bank
Kansas
$2.48M
NB
429
Norinchukin Bank
Japan
$2.44M
KIC
430
Kensington Investment Counsel
California
$2.43M
FWCM
431
Ferguson Wellman Capital Management
Oregon
$2.35M
Northwestern Mutual Wealth Management
432
Northwestern Mutual Wealth Management
Wisconsin
$2.33M
BC
433
Burney Company
Virginia
$2.33M
MML Investors Services
434
MML Investors Services
Massachusetts
$2.31M
DILIC
435
Dai-ichi Life Insurance Company
Japan
$2.29M
LSERS
436
Louisiana State Employees Retirement System
Louisiana
$2.27M
BAMF
437
BI Asset Management Fondsmaeglerselskab
Denmark
$2.23M
RG
438
Rathbones Group
United Kingdom
$2.23M
HPG
439
Harvest Portfolios Group
Ontario, Canada
$2.22M
MCM
440
Manchester Capital Management
Vermont
$2.21M
Cambridge Investment Research Advisors
441
Cambridge Investment Research Advisors
Iowa
$2.19M
CF
442
Convergence Financial
Missouri
$2.18M
GIBU
443
Gulf International Bank (UK)
United Kingdom
$2.17M
MSRPS
444
Maryland State Retirement & Pension System
Maryland
$2.16M
CAG
445
Cypress Advisory Group
Arizona
$2.14M
TIM
446
Tikehau Investment Management
France
$2.12M
CIBC World Market
447
CIBC World Market
Ontario, Canada
$2.09M
SAM
448
Securian Asset Management
Minnesota
$2.08M
Rockefeller Capital Management
449
Rockefeller Capital Management
New York
$2.07M
CPW
450
Cove Private Wealth
New York
$2.07M