BlackRock Institutional Trust’s Medidata Solutions, Inc. MDSO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$71M	Buy	1,428,418 +72,471	+5%	+$3.76M	0.01%	1125
2016 Q3	$75.6M	Sell	1,355,947 -31,216	-2%	-$1.65M	0.01%	1037
2016 Q2	$65M	Buy	1,387,163 +27,799	+2%	+$1.21M	0.01%	1077
2016 Q1	$52.6M	Buy	1,359,364 +13,786	+1%	+$536K	0.01%	1190
2015 Q4	$66.3M	Buy	1,345,578 +9,493	+0.7%	+$418K	0.01%	1085
2015 Q3	$56.3M	Buy	1,336,085 +46,311	+4%	+$2.35M	0.01%	1166
2015 Q2	$70.1M	Sell	1,289,774 -421,170	-25%	-$22.6M	0.01%	1112
2015 Q1	$83.9M	Buy	1,710,944 +361,673	+27%	+$16.7M	0.01%	1027
2014 Q4	$64.4M	Sell	1,349,271 -9,089	-0.7%	-$393K	0.01%	1129
2014 Q3	$60.2M	Sell	1,358,360 -45,401	-3%	-$2.01M	0.01%	1140
2014 Q2	$60.1M	Buy	1,403,761 +63	+0%	+$2.62K	0.01%	1202
2014 Q1	$76.3M	Buy	1,403,698 +41,038	+3%	+$2.5M	0.01%	1031
2013 Q4	$82.4M	Sell	1,362,660 -29,284	-2%	-$1.62M	0.01%	949
2013 Q3	$68.9M	Buy	1,391,944 +69,914	+5%	+$3.08M	0.01%	1005
2013 Q2	$51.2M	Buy	+1,322,030	New	+$43.1M	0.01%	1134