BlackRock Institutional Trust’s Plantronics, Inc. POLY Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$55.3M	Buy	1,009,104 +18,665	+2%	+$976K	0.01%	1284
2016 Q3	$51.5M	Sell	990,439 -40,096	-4%	-$1.97M	0.01%	1280
2016 Q2	$45.3M	Buy	1,030,535 +39,740	+4%	+$1.66M	0.01%	1299
2016 Q1	$38.8M	Sell	990,795 -2,136	-0.2%	-$83.6K	0.01%	1387
2015 Q4	$47.1M	Sell	992,931 -27,936	-3%	-$1.45M	0.01%	1280
2015 Q3	$51.9M	Sell	1,020,867 -91,822	-8%	-$5.02M	0.01%	1208
2015 Q2	$62.7M	Sell	1,112,689 -101,003	-8%	-$5.63M	0.01%	1171
2015 Q1	$64.3M	Buy	1,213,692 +48,167	+4%	+$2.47M	0.01%	1171
2014 Q4	$61.8M	Buy	1,165,525 +19,435	+2%	+$977K	0.01%	1157
2014 Q3	$54.8M	Sell	1,146,090 -79,526	-6%	-$3.8M	0.01%	1192
2014 Q2	$58.9M	Sell	1,225,616 -44,521	-4%	-$1.98M	0.01%	1206
2014 Q1	$56.5M	Buy	1,270,137 +28,256	+2%	+$1.25M	0.01%	1206
2013 Q4	$57.7M	Sell	1,241,881 -12,637	-1%	-$570K	0.01%	1170
2013 Q3	$57.8M	Sell	1,254,518 -152,683	-11%	-$6.99M	0.01%	1114
2013 Q2	$61.8M	Buy	+1,407,201	New	+$63.1M	0.01%	1016