Joel Greenblatt acquired 521k Amentum Holdings shares worth $12.1M. That's 0.03% of their equity portfolio (643rd largest holding). Joel Greenblatt started to build up the position in Amentum Holdings in Q3 2025 and continued to invest until Q4 2025. Since then they sold 114k shares. The investor's estimated purchase price is $13.1M, resulting in a loss of 7.9%.