Marshall Wace North America’s Idexx Laboratories IDXX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	$902K	Sell	1,451 -137,676	-99%	-$92.5M	﹤0.01%	959
2021 Q2	$87.9M	Sell	139,127 -116,822	-46%	-$64.5M	0.37%	57
2021 Q1	$125M	Buy	+255,949	New	+$128M	0.52%	34
2020 Q1	–	Sell	-212,005	Closed	-$55.4M	–	1400
2019 Q4	$55.4M	Sell	212,005 -154,182	-42%	-$40.6M	0.27%	108
2019 Q3	$99.6M	Sell	366,187 -332,040	-48%	-$92.4M	0.57%	47
2019 Q2	$192M	Buy	698,227 +294,186	+73%	+$72.5M	1.19%	17
2019 Q1	$90.3M	Buy	404,041 +369,991	+1,087%	+$76.4M	0.64%	41
2018 Q4	$6.33M	Sell	34,050 -20,962	-38%	-$4.3M	0.06%	216
2018 Q3	$13.7M	Buy	55,012 +34,404	+167%	+$8.35M	0.09%	178
2018 Q2	$4.49M	Sell	20,608 -436,606	-95%	-$90M	0.03%	540
2018 Q1	$87.5M	Sell	457,214 -226,080	-33%	-$41.7M	0.44%	54
2017 Q4	$107M	Buy	683,294 +437,667	+178%	+$68.9M	0.59%	31
2017 Q3	$38.1M	Buy	+245,627	New	+$38.8M	0.24%	103
2013 Q4	–	Sell	-5,800	Closed	-$289K	–	763
2013 Q3	$289K	Buy	+5,800	New	+$279K	0.01%	520