13F manager/AMTM/

PRIMECAP Management add Amentum Holdings, Inc.

PRIMECAP Management add $284.0M of disclosed value in Amentum Holdings, Inc..

Signal
Investor Move
Action
Add
Capital
$284.0M disclosed value

Why it matters

This action comes from parsed SEC 13F holdings and highlights where tracked institutional capital changed materially versus the previous comparable filing period.

Evidence