BlackRock Institutional Trust’s Intuitive Surgical ISRG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$677M	Buy	9,610,947 +508,491	+6%	+$37.4M	0.1%	200
2016 Q3	$733M	Buy	9,102,456 +193,338	+2%	+$14.8M	0.11%	177
2016 Q2	$655M	Buy	8,909,118 +268,929	+3%	+$18.9M	0.11%	196
2016 Q1	$577M	Buy	8,640,189 +199,422	+2%	+$12.4M	0.1%	216
2015 Q4	$512M	Buy	8,440,767 +87,381	+1%	+$4.91M	0.08%	239
2015 Q3	$427M	Buy	8,353,386 +9,369	+0.1%	+$531K	0.07%	265
2015 Q2	$449M	Sell	8,344,017 -133,713	-2%	-$7.48M	0.07%	274
2015 Q1	$476M	Buy	8,477,730 +90,585	+1%	+$5.13M	0.07%	273
2014 Q4	$493M	Sell	8,387,145 -38,286	-0.5%	-$2.13M	0.08%	255
2014 Q3	$432M	Sell	8,425,431 -474,777	-5%	-$23.6M	0.07%	266
2014 Q2	$407M	Buy	8,900,208 +6,228	+0.1%	+$275K	0.07%	288
2014 Q1	$433M	Sell	8,893,980 -166,311	-2%	-$7.83M	0.07%	253
2013 Q4	$387M	Sell	9,060,291 -1,227,123	-12%	-$51.6M	0.07%	285
2013 Q3	$430M	Buy	10,287,414 +744,372	+8%	+$32.9M	0.08%	238
2013 Q2	$537M	Buy	+9,543,042	New	+$526M	0.11%	182