BlackRock Institutional Trust’s Boston Scientific BSX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$819M	Buy	37,879,324 +1,931,116	+5%	+$42.1M	0.12%	168
2016 Q3	$856M	Buy	35,948,208 +836,083	+2%	+$19.9M	0.13%	152
2016 Q2	$821M	Buy	35,112,125 +990,857	+3%	+$21.4M	0.13%	151
2016 Q1	$642M	Buy	34,121,268 +201,133	+0.6%	+$3.53M	0.11%	190
2015 Q4	$625M	Sell	33,920,135 -20,847	-0.1%	-$374K	0.1%	196
2015 Q3	$557M	Sell	33,940,982 -259,096	-0.8%	-$4.43M	0.1%	213
2015 Q2	$605M	Sell	34,200,078 -685,386	-2%	-$12.2M	0.1%	208
2015 Q1	$619M	Buy	34,885,464 +173,026	+0.5%	+$2.73M	0.1%	213
2014 Q4	$460M	Buy	34,712,438 +237,119	+0.7%	+$3.03M	0.07%	272
2014 Q3	$407M	Sell	34,475,319 -550,758	-2%	-$6.94M	0.07%	282
2014 Q2	$447M	Sell	35,026,077 -1,193,482	-3%	-$15.5M	0.07%	255
2014 Q1	$490M	Sell	36,219,559 -841,319	-2%	-$11M	0.08%	229
2013 Q4	$445M	Buy	37,060,878 +1,118,357	+3%	+$13.2M	0.08%	240
2013 Q3	$422M	Sell	35,942,521 -890,066	-2%	-$9.63M	0.08%	242
2013 Q2	$341M	Buy	+36,832,587	New	+$312M	0.07%	287