John W. Rogers Jr.'s position in Schlumberger Ltd. is currently worth $35.4 Million. That's 0.40% of their equity portfolio (57th largest holding). The first Schlumberger Ltd. trade was made in Q2 2013. Since then John W. Rogers Jr. bought shares 21 more times and sold shares on seven occasions. The investor's estimated purchase price is $40.8 Million, resulting in a loss of 13%.