AMTM

Amentum Holdings

453 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, 103 increasing their positions, 176 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 in top 10

Funds holding in top 10:

less funds holding

Funds holding:

2% less capital invested

Capital invested by funds: $4.73B → $4.63B (-$99.5M)

2.86% less ownership

Funds ownership: 82.31%79.45% (-2.9%)

41% less repeat investments, than reductions

Existing positions increased: 103 | Existing positions reduced: 176

Holders
453
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
UCFA
476
United Capital Financial Advisors
Texas
MFIM
477
Mesirow Financial Investment Management
Illinois
DC
478
Diametric Capital
Massachusetts
EHC
479
Everett Harris & Co
California
Janney Montgomery Scott
480
Janney Montgomery Scott
Pennsylvania
LAM
481
Lingohr Asset Management
Germany
KRS
482
Kentucky Retirement Systems
Kentucky
URS
483
Utah Retirement Systems
Utah
EI
484
Ethic Inc
New York
CF
485
Cantor Fitzgerald
New York
IIM
486
Intact Investment Management
Quebec, Canada
ANBT
487
American National Bank & Trust
Texas
GIM
488
Glenmede Investment Management
Pennsylvania
OIAM
489
OFI Invest Asset Management
France
CT
490
Caldwell Trust
Florida
RAM
491
Riggs Asset Management
Pennsylvania
CIAM
492
Caitong International Asset Management
Hong Kong
SAM
493
Shell Asset Management
Netherlands
National Pension Service
494
National Pension Service
South Korea
BF
495
BOK Financial
Oklahoma
BOTPPF
496
Board of the Pension Protection Fund
United Kingdom
RA
497
Ransom Advisory
Rhode Island
TPWA
498
Twin Peaks Wealth Advisors
California
BCMLT
499
Beacon Capital Management LLC (Tennessee)
Tennessee
GWP
500
Gen-Wealth Partners
Michigan