Quantitative Investment Management’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
2019 Q1	–	Sell	-25,200	Closed	-$87K	–	906
2018 Q4	$87K	Buy	+25,200	New	+$126K	﹤0.01%	521
2016 Q1	–	Sell	-25,400	Closed	-$436K	–	1009
2015 Q4	$436K	Buy	25,400 +3,400	+15%	+$63.3K	0.03%	524
2015 Q3	$417K	Buy	+22,000	New	+$640K	0.03%	479
2015 Q2	–	Sell	-10,200	Closed	-$311K	–	759
2015 Q1	$311K	Buy	+10,200	New	+$358K	0.03%	467
2014 Q4	–	Sell	-17,600	Closed	-$1.04M	–	621
2014 Q3	$1.04M	Buy	17,600 +14,900	+552%	+$1.7M	0.2%	94
2014 Q2	$416K	Sell	2,700 -4,000	-60%	-$551K	0.07%	262
2014 Q1	$924K	Buy	+6,700	New	+$793K	0.04%	257
2013 Q4	–	Sell	-4,300	Closed	-$426K	–	759
2013 Q3	$426K	Buy	+4,300	New	+$366K	0.04%	380