BlackRock Institutional Trust’s PTC Therapeutics PTCT Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$10.7M	Buy	983,090 +83,844	+9%	+$880K	﹤0.01%	2358
2016 Q3	$12.6M	Buy	899,246 +86,489	+11%	+$703K	﹤0.01%	2196
2016 Q2	$5.71M	Buy	812,757 +1,985	+0.2%	+$14.6K	﹤0.01%	2613
2016 Q1	$5.22M	Buy	810,772 +3,459	+0.4%	+$60K	﹤0.01%	2639
2015 Q4	$26.2M	Buy	807,313 +16,416	+2%	+$483K	﹤0.01%	1676
2015 Q3	$21.1M	Buy	790,897 +155,612	+24%	+$6.66M	﹤0.01%	1804
2015 Q2	$30.6M	Buy	635,285 +58,447	+10%	+$3.41M	﹤0.01%	1619
2015 Q1	$35.1M	Buy	576,838 +167,131	+41%	+$10.2M	0.01%	1557
2014 Q4	$21.2M	Buy	409,707 +165,005	+67%	+$7.26M	﹤0.01%	1859
2014 Q3	$10.8M	Sell	244,702 -16,493	-6%	-$516K	﹤0.01%	2289
2014 Q2	$6.83M	Buy	261,195 +120,600	+86%	+$2.58M	﹤0.01%	2630
2014 Q1	$3.67M	Buy	140,595 +37,181	+36%	+$999K	﹤0.01%	2900
2013 Q4	$1.75M	Buy	103,414 +46,285	+81%	+$813K	﹤0.01%	3218
2013 Q3	$1.23M	Buy	+57,129	New	+$993K	﹤0.01%	3304