Chuck Royce acquired 998k Ameresco shares worth $23.7M. That's 0.21% of their equity portfolio (153rd largest holding). The investor owns 1.88% of the outstanding Ameresco stock. The first Ameresco trade was made in Q1 2013. Since then Chuck Royce bought shares nineteen more times and sold shares on 28 occasions. The stake costed the investor $22.8M, netting the investor a gain of 4.2% so far.