Amentum Holdings, Inc. - Common Stock (AMTM)

Historical Holders from Q3 2024 to Q3 2025

Symbol
AMTM on NYSE
Type / Class
Equity / Common Stock
Shares outstanding
243M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
193M
Holdings value
$4.63B
% of all portfolios
0.01%
Grand Portfolio weight change
0%
Number of holders
451
Number of buys
178
Number of sells
-239
Average Value change %
+0%
Average buys %
+0.003%
Average sells %
-0.003%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Amentum Holdings, Inc. - Common Stock (AMTM)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GOLDBERG ALAN E 18% $974M 43.9M Alan E. Goldberg 17 Dec 2024
ASP Manager Corp. 18.04% $974M 43.9M ASP Manager Corp. 17 Dec 2024
Invesco Ltd. 9.1% +28.6% $530M $118M 22.1M +28.7% Invesco Ltd. 30 Sep 2025
BlackRock, Inc. 6.9% $372M 16.8M BlackRock, Inc. 31 Dec 2024
VANGUARD GROUP INC 6.79% $367M 16.5M The Vanguard Group 31 Dec 2024

Institutional Holders of Amentum Holdings, Inc. - Common Stock (AMTM)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 193M $4.63B -$165M $23.95 451
2025 Q2 200M $4.73B +$283M $23.61 449
2025 Q1 190M $3.46B +$424M $18.20 410
2024 Q4 180M $3.79B +$1.47B $21.03 445
2024 Q3 99.7M $3.2B +$2.91B $32.25 480