BlackRock Institutional Trust’s Immunogen Inc IMGN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$4.44M	Buy	2,177,724 +50,044	+2%	+$100K	﹤0.01%	2776
2016 Q3	$5.7M	Buy	2,127,680 +22,427	+1%	+$65.2K	﹤0.01%	2639
2016 Q2	$6.48M	Sell	2,105,253 -18,791	-0.9%	-$118K	﹤0.01%	2544
2016 Q1	$18.1M	Sell	2,124,044 -36,517	-2%	-$309K	﹤0.01%	1888
2015 Q4	$29.3M	Buy	2,160,561 +108,187	+5%	+$1.33M	﹤0.01%	1589
2015 Q3	$19.7M	Sell	2,052,374 -239,175	-10%	-$3.5M	﹤0.01%	1853
2015 Q2	$33M	Sell	2,291,549 -141,339	-6%	-$1.55M	0.01%	1570
2015 Q1	$21.8M	Buy	2,432,888 +8,215	+0.3%	+$59.5K	﹤0.01%	1874
2014 Q4	$14.8M	Buy	2,424,673 +21,084	+0.9%	+$193K	﹤0.01%	2103
2014 Q3	$25.5M	Sell	2,403,589 -40,460	-2%	-$458K	﹤0.01%	1730
2014 Q2	$29M	Sell	2,444,049 -26,604	-1%	-$334K	﹤0.01%	1704
2014 Q1	$36.9M	Buy	2,470,653 +122,432	+5%	+$1.93M	0.01%	1529
2013 Q4	$34.4M	Buy	2,348,221 +11,611	+0.5%	+$178K	0.01%	1529
2013 Q3	$39.8M	Sell	2,336,610 -77,995	-3%	-$1.37M	0.01%	1352
2013 Q2	$40.1M	Buy	+2,414,605	New	+$39.1M	0.01%	1290