BlackRock Institutional Trust’s Idexx Laboratories IDXX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$383M	Buy	3,262,520 +132,623	+4%	+$15.1M	0.06%	333
2016 Q3	$353M	Sell	3,129,897 -138,730	-4%	-$14.6M	0.05%	351
2016 Q2	$304M	Buy	3,268,627 +651,138	+25%	+$55.9M	0.05%	374
2016 Q1	$205M	Sell	2,617,489 -28,773	-1%	-$2.07M	0.03%	526
2015 Q4	$193M	Buy	2,646,262 +12,535	+0.5%	+$894K	0.03%	550
2015 Q3	$196M	Sell	2,633,727 -57,580	-2%	-$4.12M	0.03%	532
2015 Q2	$173M	Sell	2,691,307 -41,795	-2%	-$2.89M	0.03%	630
2015 Q1	$211M	Sell	2,733,102 -58,530	-2%	-$4.55M	0.03%	552
2014 Q4	$207M	Buy	2,791,632 +43,902	+2%	+$3.08M	0.03%	527
2014 Q3	$162M	Sell	2,747,730 -119,070	-4%	-$7.53M	0.03%	605
2014 Q2	$191M	Sell	2,866,800 -133,138	-4%	-$8.47M	0.03%	541
2014 Q1	$182M	Buy	2,999,938 +111,244	+4%	+$6.63M	0.03%	566
2013 Q4	$154M	Buy	2,888,694 +66,426	+2%	+$3.5M	0.03%	619
2013 Q3	$141M	Sell	2,822,268 -145,318	-5%	-$6.98M	0.03%	613
2013 Q2	$133M	Buy	+2,967,586	New	+$130M	0.03%	608