BlackRock Institutional Trust’s ASPEN TECHNOLOGY INC AZPN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$121M	Sell	2,211,221 -96,862	-4%	-$5.3M	0.02%	811
2016 Q3	$108M	Sell	2,308,083 -63,289	-3%	-$2.96M	0.02%	843
2016 Q2	$95.4M	Buy	2,371,372 +62,371	+3%	+$2.51M	0.02%	883
2016 Q1	$83.4M	Buy	2,309,001 +110,497	+5%	+$3.99M	0.01%	939
2015 Q4	$83M	Sell	2,198,504 -9,614	-0.4%	-$363K	0.01%	939
2015 Q3	$83.7M	Sell	2,208,118 -14,709	-0.7%	-$558K	0.01%	938
2015 Q2	$101M	Sell	2,222,827 -328,298	-13%	-$15M	0.02%	883
2015 Q1	$98.2M	Sell	2,551,125 -1,036,879	-29%	-$39.9M	0.02%	934
2014 Q4	$126M	Sell	3,588,004 -4,024	-0.1%	-$141K	0.02%	748
2014 Q3	$135M	Sell	3,592,028 -554,551	-13%	-$20.9M	0.02%	684
2014 Q2	$192M	Buy	4,146,579 +571,720	+16%	+$26.5M	0.03%	537
2014 Q1	$151M	Buy	3,574,859 +396,730	+12%	+$16.8M	0.03%	654
2013 Q4	$133M	Sell	3,178,129 -87,391	-3%	-$3.65M	0.02%	686
2013 Q3	$113M	Sell	3,265,520 -154,463	-5%	-$5.34M	0.02%	722
2013 Q2	$98.5M	Buy	+3,419,983	New	+$98.5M	0.02%	760