Marshall Wace’s Pioneer Energy Services Corp. PES Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-745,106	Closed	-$5.1M	–	899
2016 Q4	$5.1M	Buy	+745,106	New	+$5.1M	0.03%	466
2015 Q2	–	Sell	-13,557	Closed	-$73K	–	1114
2015 Q1	$73K	Hold	13,557	–	–	﹤0.01%	773
2014 Q4	$75K	Buy	+13,557	New	+$75K	﹤0.01%	779