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
HIMCH
426
Hartford Investment Management Co (HIMCO)
Connecticut
$2.55M
WSFS
427
Wilmington Savings Fund Society
Delaware
$2.52M
DGM
428
Delta Global Management
New York
$2.5M
IB
429
Intrust Bank
Kansas
$2.48M
NB
430
Norinchukin Bank
Japan
$2.44M
KIC
431
Kensington Investment Counsel
California
$2.43M
FWCM
432
Ferguson Wellman Capital Management
Oregon
$2.35M
Northwestern Mutual Wealth Management
433
Northwestern Mutual Wealth Management
Wisconsin
$2.33M
BC
434
Burney Company
Virginia
$2.33M
MML Investors Services
435
MML Investors Services
Massachusetts
$2.31M
DILIC
436
Dai-ichi Life Insurance Company
Japan
$2.29M
LSERS
437
Louisiana State Employees Retirement System
Louisiana
$2.27M
BAMF
438
BI Asset Management Fondsmaeglerselskab
Denmark
$2.23M
RG
439
Rathbones Group
United Kingdom
$2.23M
HPG
440
Harvest Portfolios Group
Ontario, Canada
$2.22M
MCM
441
Manchester Capital Management
Vermont
$2.21M
Cambridge Investment Research Advisors
442
Cambridge Investment Research Advisors
Iowa
$2.19M
CF
443
Convergence Financial
Missouri
$2.18M
GIBU
444
Gulf International Bank (UK)
United Kingdom
$2.17M
MSRPS
445
Maryland State Retirement & Pension System
Maryland
$2.16M
CAG
446
Cypress Advisory Group
Arizona
$2.14M
TIM
447
Tikehau Investment Management
France
$2.12M
CIBC World Market
448
CIBC World Market
Ontario, Canada
$2.09M
SAM
449
Securian Asset Management
Minnesota
$2.08M
Rockefeller Capital Management
450
Rockefeller Capital Management
New York
$2.07M