Jeremy Grantham acquired 379 Thousand Arch Capital Group Ltd shares worth $34.2 Million. That's 0.11% of their equity portfolio (123rd largest holding). The first Arch Capital Group Ltd trade was made in Q1 2013. Since then Jeremy Grantham bought shares fourteen more times and sold shares on ten occasions. The investor's estimated purchase price is $36.2 Million, resulting in a loss of 5.7%.