Twin Tree Management’s Whiting Petroleum Corporation WLL Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q1	–	Sell	-1,185	Closed	-$2.02M	–	1711
2018 Q4	$2.02M	Buy	1,185 +836	+240%	+$2.15M	0.01%	730
2018 Q3	$1.39M	Buy	349 +183	+110%	+$674K	0.01%	664
2018 Q2	$655K	Buy	+166	New	+$574K	﹤0.01%	858
2017 Q1	–	Sell	-10	Closed	-$36K	–	1381
2016 Q4	$36K	Hold	10	–	–	﹤0.01%	1083
2016 Q3	$26K	Buy	10 +1	+11%	+$2.35K	﹤0.01%	1064
2016 Q2	$24K	Sell	9 -1	-10%	-$3.31K	﹤0.01%	1114
2016 Q1	$24K	Sell	10 -74	-88%	-$145K	﹤0.01%	1162
2015 Q4	$237K	Sell	84 -106	-56%	-$503K	﹤0.01%	1047
2015 Q3	$870K	Buy	190 +183	+2,614%	+$1.13M	0.02%	589
2015 Q2	$72K	Sell	7 -9	-56%	-$93.7K	﹤0.01%	1190
2015 Q1	$144K	Sell	16 -91	-85%	-$922K	﹤0.01%	998
2014 Q4	$1.06M	Buy	107 +14	+15%	+$214K	0.03%	569
2014 Q3	$2.16M	Buy	+93	New	+$2.37M	0.06%	361