Jeremy Grantham's position in Ameresco is currently worth $100M. That's 0.29% of their equity portfolio (42nd largest holding). The investor owns 7.46% of the outstanding Ameresco stock. The first Ameresco trade was made in Q2 2017. Since then Jeremy Grantham bought shares eleven more times and sold shares on eight occasions. The investor's estimated purchase price is $212M, resulting in a loss of 53%.