AMTM

Amentum Holdings

459 hedge funds and large institutions have $4.63B invested in Amentum Holdings in 2025 Q3 according to their latest regulatory filings, with 76 funds opening new positions, 104 increasing their positions, 178 reducing their positions, and 69 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 funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

2% less capital invested

Capital invested by funds: $4.73B → $4.63B (-$98.4M)

2.85% less ownership

Funds ownership: 82.32%79.48% (-2.8%)

42% less repeat investments, than reductions

Existing positions increased: 104 | Existing positions reduced: 178

Holders
459
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$22.9M
Puts
$15.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PF
476
Phoenix Financial
Israel
AC
477
AXQ Capital
New Jersey
RCG
478
Rock Creek Group
District of Columbia
AC
479
Aristeia Capital
Connecticut
WorldQuant Millennium Advisors
480
WorldQuant Millennium Advisors
New York
WWM
481
Whalen Wealth Management
Nevada
UCFA
482
United Capital Financial Advisors
Texas
MFIM
483
Mesirow Financial Investment Management
Illinois
DC
484
Diametric Capital
Massachusetts
EHC
485
Everett Harris & Co
California
Janney Montgomery Scott
486
Janney Montgomery Scott
Pennsylvania
LAM
487
Lingohr Asset Management
Germany
KRS
488
Kentucky Retirement Systems
Kentucky
URS
489
Utah Retirement Systems
Utah
EI
490
Ethic Inc
New York
CF
491
Cantor Fitzgerald
New York
IIM
492
Intact Investment Management
Quebec, Canada
ANBT
493
American National Bank & Trust
Texas
GIM
494
Glenmede Investment Management
Pennsylvania
OIAM
495
OFI Invest Asset Management
France
CT
496
Caldwell Trust
Florida
RAM
497
Riggs Asset Management
Pennsylvania
CIAM
498
Caitong International Asset Management
Hong Kong
SAM
499
Shell Asset Management
Netherlands
National Pension Service
500
National Pension Service
South Korea