BlackRock Institutional Trust’s W.R. Grace & Co. GRA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$129M	Buy	1,911,730 +62,902	+3%	+$4.3M	0.02%	781
2016 Q3	$136M	Buy	1,848,828 +44,314	+2%	+$3.34M	0.02%	720
2016 Q2	$132M	Sell	1,804,514 -9,590	-0.5%	-$733K	0.02%	718
2016 Q1	$129M	Buy	1,814,104 +55,784	+3%	+$4.26M	0.02%	714
2015 Q4	$175M	Buy	1,758,320 +5,342	+0.3%	+$523K	0.03%	595
2015 Q3	$163M	Sell	1,752,978 -15,575	-0.9%	-$1.55M	0.03%	609
2015 Q2	$177M	Sell	1,768,553 -39,585	-2%	-$3.9M	0.03%	610
2015 Q1	$179M	Buy	1,808,138 +45,242	+3%	+$4.32M	0.03%	620
2014 Q4	$168M	Sell	1,762,896 -17,786	-1%	-$1.66M	0.03%	617
2014 Q3	$162M	Sell	1,780,682 -54,677	-3%	-$5.24M	0.03%	604
2014 Q2	$173M	Sell	1,835,359 -68,568	-4%	-$6.46M	0.03%	600
2014 Q1	$189M	Sell	1,903,927 -6,440	-0.3%	-$634K	0.03%	545
2013 Q4	$189M	Buy	1,910,367 +67,073	+4%	+$6.24M	0.03%	528
2013 Q3	$161M	Buy	1,843,294 +12,471	+0.7%	+$1.03M	0.03%	550
2013 Q2	$154M	Buy	+1,830,823	New	+$145M	0.03%	542