Parallax Volatility Advisers’s Carbo Ceramics Inc. CRR Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q2	–	Sell	-96	Closed	-$1K	–	3762
2018 Q1	$1K	Sell	96 -3,432	-97%	-$29.6K	﹤0.01%	2119
2017 Q4	$36K	Buy	+3,528	New	+$31.2K	﹤0.01%	3400
2015 Q3	–	Sell	-29	Closed	-$1K	–	4640
2015 Q2	$1K	Sell	29 -1,716	-98%	-$69.2K	﹤0.01%	3481
2015 Q1	$53K	Sell	1,745 -1,713	-50%	-$60.1K	﹤0.01%	2973
2014 Q4	$138K	Buy	3,458 +2,234	+183%	+$104K	﹤0.01%	3187
2014 Q3	$72K	Sell	1,224 -568	-32%	-$64.8K	﹤0.01%	3091
2014 Q2	$276K	Buy	+1,792	New	+$247K	﹤0.01%	1763
2014 Q1	–	Sell	-1,240	Closed	-$147K	–	3801
2013 Q4	$144K	Buy	1,240 +239	+24%	+$27.2K	﹤0.01%	1644
2013 Q3	$99K	Sell	1,001 -38,418	-97%	-$3.27M	﹤0.01%	1448
2013 Q2	$2.66M	Buy	+39,419	New	+$2.92M	0.01%	533