1,009 hedge funds and large institutions have $37B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 118 funds opening new positions, 380 increasing their positions, 334 reducing their positions, and 75 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:

1% more capital invested

Capital invested by funds: $36.7B → $37B (+$292M)

2.62% less ownership

Funds ownership: 87.97%85.35% (-2.6%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,009
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
FWCM
426
Ferguson Wellman Capital Management
Oregon
$2.35M
Northwestern Mutual Wealth Management
427
Northwestern Mutual Wealth Management
Wisconsin
$2.33M
BC
428
Burney Company
Virginia
$2.33M
MML Investors Services
429
MML Investors Services
Massachusetts
$2.31M
DILIC
430
Dai-ichi Life Insurance Company
Japan
$2.29M
LSERS
431
Louisiana State Employees Retirement System
Louisiana
$2.27M
BAMF
432
BI Asset Management Fondsmaeglerselskab
Denmark
$2.23M
RG
433
Rathbones Group
United Kingdom
$2.23M
HPG
434
Harvest Portfolios Group
Ontario, Canada
$2.22M
MCM
435
Manchester Capital Management
Vermont
$2.21M
Cambridge Investment Research Advisors
436
Cambridge Investment Research Advisors
Iowa
$2.19M
CF
437
Convergence Financial
Missouri
$2.18M
GIBU
438
Gulf International Bank (UK)
United Kingdom
$2.17M
MSRPS
439
Maryland State Retirement & Pension System
Maryland
$2.16M
CAG
440
Cypress Advisory Group
Arizona
$2.14M
TIM
441
Tikehau Investment Management
France
$2.12M
CIBC World Market
442
CIBC World Market
Ontario, Canada
$2.09M
SAM
443
Securian Asset Management
Minnesota
$2.08M
Rockefeller Capital Management
444
Rockefeller Capital Management
New York
$2.07M
CPW
445
Cove Private Wealth
New York
$2.07M
VNA
446
Valley National Advisers
Pennsylvania
$2.06M
IMCOOI
447
Investment Management Corp of Ontario (IMCO)
Canada
$2.04M
IGAM
448
iA Global Asset Management
Quebec, Canada
$2.03M
FC
449
Farringdon Capital
United Kingdom
$2.03M
MC
450
Mirabaud & Cie
Switzerland
$2.03M