Mario Gabelli acquired 115 Thousand Olin shares worth $6.15 Million. That's 0.07% of their equity portfolio (292nd largest holding). The first Olin trade was made in Q3 2002. Since then Mario Gabelli bought shares seventeen more times and sold shares on 22 occasions. The stake costed the investor $1.96 Million, netting the investor a gain of 214% so far.