Mario Gabelli's position in Affiliated Managers Group is currently worth $7.83 Million. That's 0.08% of their equity portfolio (251st largest holding). The first Affiliated Managers Group trade was made in Q1 2006. Since then Mario Gabelli bought shares three more times and sold shares on four occasions. The stake costed the investor $5.73 Million, netting the investor a gain of 37% so far.