William Blair & Company’s Core Laboratories CLB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-6,292	Closed	-$293K	–	1744
2019 Q3	$293K	Buy	6,292 +1,169	+23%	+$54.3K	﹤0.01%	1123
2019 Q2	$268K	Sell	5,123 -1,186	-19%	-$69.6K	﹤0.01%	1187
2019 Q1	$435K	Sell	6,309 -557	-8%	-$37.3K	﹤0.01%	1004
2018 Q4	$410K	Buy	6,866 +1,137	+20%	+$98.1K	﹤0.01%	976
2018 Q3	$664K	Buy	5,729 +109	+2%	+$12.3K	﹤0.01%	868
2018 Q2	$709K	Hold	5,620	–	–	﹤0.01%	832
2018 Q1	$608K	Sell	5,620 -49	-0.9%	-$5.42K	﹤0.01%	860
2017 Q4	$621K	Sell	5,669 -1,584	-22%	-$158K	﹤0.01%	891
2017 Q3	$716K	Buy	7,253 +252	+4%	+$24.4K	0.01%	815
2017 Q2	$709K	Buy	7,001 +1,393	+25%	+$150K	0.01%	858
2017 Q1	$647K	Sell	5,608 -135	-2%	-$15.7K	0.01%	825
2016 Q4	$689K	Hold	5,743	–	–	0.01%	736
2016 Q3	$645K	Buy	5,743 +1,548	+37%	+$178K	0.01%	760
2016 Q2	$520K	Sell	4,195 -5,515	-57%	-$666K	﹤0.01%	794
2016 Q1	$1.09M	Buy	9,710 +23	+0.2%	+$2.39K	0.01%	602
2015 Q4	$1.05M	Buy	+9,687	New	+$1.11M	0.01%	617