BlackRock Advisors’s Quest Diagnostics DGX Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$405M	Buy	4,408,708 +710,791	+19%	+$65.3M	0.41%	50
2016 Q3	$313M	Buy	3,697,917 +111,679	+3%	+$9.45M	0.32%	71
2016 Q2	$292M	Buy	3,586,238 +68,928	+2%	+$5.61M	0.3%	81
2016 Q1	$251M	Sell	3,517,310 -715,418	-17%	-$51.1M	0.26%	87
2015 Q4	$301M	Sell	4,232,728 -303,236	-7%	-$21.6M	0.32%	78
2015 Q3	$279M	Sell	4,535,964 -620,517	-12%	-$38.1M	0.3%	83
2015 Q2	$374M	Sell	5,156,481 -584,734	-10%	-$42.4M	0.39%	64
2015 Q1	$441M	Buy	5,741,215 +1,783,863	+45%	+$137M	0.45%	55
2014 Q4	$265M	Sell	3,957,352 -128,911	-3%	-$8.64M	0.27%	94
2014 Q3	$248M	Sell	4,086,263 -163,979	-4%	-$9.95M	0.25%	101
2014 Q2	$249M	Buy	4,250,242 +585,940	+16%	+$34.4M	0.24%	107
2014 Q1	$212M	Buy	3,664,302 +318,304	+10%	+$18.4M	0.21%	122
2013 Q4	$179M	Buy	3,345,998 +670,133	+25%	+$35.9M	0.17%	148
2013 Q3	$165M	Buy	2,675,865 +187,722	+8%	+$11.6M	0.17%	150
2013 Q2	$151M	Buy	+2,488,143	New	+$151M	0.16%	151