BlackRock Institutional Trust’s West Pharmaceutical WST Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$185M	Sell	2,185,773 -121,479	-5%	-$9.55M	0.03%	609
2016 Q3	$172M	Buy	2,307,252 +9,016	+0.4%	+$716K	0.03%	612
2016 Q2	$174M	Buy	2,298,236 +253,128	+12%	+$18.4M	0.03%	597
2016 Q1	$142M	Buy	2,045,108 +18,518	+0.9%	+$1.11M	0.02%	675
2015 Q4	$122M	Buy	2,026,590 +60,338	+3%	+$3.63M	0.02%	737
2015 Q3	$106M	Buy	1,966,252 +312,626	+19%	+$18.2M	0.02%	794
2015 Q2	$96M	Sell	1,653,626 -93,005	-5%	-$5.19M	0.02%	910
2015 Q1	$105M	Buy	1,746,631 +57,506	+3%	+$3.06M	0.02%	895
2014 Q4	$89.9M	Sell	1,689,125 -52,968	-3%	-$2.65M	0.01%	942
2014 Q3	$78M	Sell	1,742,093 -133,184	-7%	-$5.66M	0.01%	992
2014 Q2	$79.1M	Sell	1,875,277 -130,178	-6%	-$5.57M	0.01%	1027
2014 Q1	$88.3M	Buy	2,005,455 +182,461	+10%	+$8.59M	0.02%	943
2013 Q4	$89.4M	Sell	1,822,994 -50,869	-3%	-$2.38M	0.02%	912
2013 Q3	$77.1M	Sell	1,873,863 -7,219	-0.4%	-$275K	0.01%	936
2013 Q2	$66.1M	Buy	+1,881,082	New	+$61.9M	0.01%	975