Parallax Volatility Advisers’s Core Mark Holding Co., Inc. CORE Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2018 Q1	–	Sell	-7,056	Closed	-$223K	–	3576
2017 Q4	$223K	Buy	+7,056	New	+$223K	﹤0.01%	1161
2014 Q3	–	Sell	-846	Closed	-$19K	–	1712
2014 Q2	$19K	Buy	+846	New	+$19K	﹤0.01%	1077