John W. Rogers Jr.'s position in Schlumberger Ltd. is currently worth $38.1M. That's 0.39% of their equity portfolio (55th largest holding). The first Schlumberger Ltd. trade was made in Q2 2013. Since then John W. Rogers Jr. bought shares 22 more times and sold shares on seven occasions. The investor's estimated purchase price is $43M, resulting in a loss of 11%.