Mario Gabelli acquired 227 Thousand Schlumberger Ltd. shares worth $11 Million. That's 0.12% of their equity portfolio (202nd largest holding). The first Schlumberger Ltd. trade was made in Q1 2001. Since then Mario Gabelli bought shares 28 more times and sold shares on 53 occasions. The investor's estimated purchase price is $14.1 Million, resulting in a loss of 22%.