Mario Gabelli acquired 126 Thousand Olin shares worth $2.57 Million. That's 0.03% of their equity portfolio (452nd largest holding). The first Olin trade was made in Q3 2002. Since then Mario Gabelli bought shares eighteen more times and sold shares on 22 occasions. The stake costed the investor $2.18 Million, netting the investor a gain of 18% so far.