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Shareholding
Amentum Holdings Inc.
Amentum Holdings Inc. Ownership
Historical shareholding details of PRIMECAP Management Company holdings in Amentum Holdings Inc. (AMTM)
Monthly changes of PRIMECAP Management Company shareholding in Amentum Holdings Inc. over the previous months
Month
Name
Total no. shares held
Percent Holding
Mar 31, 2025
Primecap Management Company
10,061,589
4.14%
Dec 31, 2024
Primecap Management Company
6,414,379
2.64%
Sep 30, 2024
Primecap Management Company
5,271,282
2.17%
View all ownership details of Amentum Holdings Inc.