Marshall Wace North America’s Quest Diagnostics DGX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	$951K	Sell	6,541 -47,448	-88%	-$6.94M	﹤0.01%	943
2021 Q2	$7.12M	Buy	53,989 +40,573	+302%	+$5.31M	0.03%	450
2021 Q1	$1.72M	Sell	13,416 -80,922	-86%	-$9.97M	0.01%	875
2020 Q4	$11.2M	Buy	94,338 +88,858	+1,621%	+$10.8M	0.05%	354
2020 Q3	$627K	Sell	5,480 -478,514	-99%	-$56.5M	﹤0.01%	918
2020 Q2	$55.2M	Sell	483,994 -724,663	-60%	-$76.9M	0.36%	75
2020 Q1	$97.1M	Sell	1,208,657 -1,063,782	-47%	-$110M	0.74%	32
2019 Q4	$243M	Buy	2,272,439 +216,327	+11%	+$22.6M	1.17%	17
2019 Q3	$220M	Buy	2,056,112 +275,530	+15%	+$28.3M	1.25%	11
2019 Q2	$181M	Buy	1,780,582 +448,332	+34%	+$43.1M	1.13%	18
2019 Q1	$120M	Sell	1,332,250 -235,820	-15%	-$20.4M	0.85%	25
2018 Q4	$131M	Sell	1,568,070 -524,796	-25%	-$49.2M	1.26%	15
2018 Q3	$226M	Sell	2,092,866 -565,264	-21%	-$62M	1.55%	13
2018 Q2	$292M	Buy	2,658,130 +214,446	+9%	+$22.3M	1.66%	3
2018 Q1	$245M	Buy	2,443,684 +586,085	+32%	+$60M	1.23%	7
2017 Q4	$183M	Buy	1,857,599 +1,700,001	+1,079%	+$161M	1.01%	9
2017 Q3	$14.8M	Sell	157,598 -599,886	-79%	-$63.7M	0.1%	276
2017 Q2	$84.1M	Buy	757,484 +330	+0%	+$34.9K	0.61%	26
2017 Q1	$74.2M	Buy	+757,154	New	+$72.2M	0.59%	31
2013 Q3	–	Sell	-4,698	Closed	-$285K	–	627
2013 Q2	$285K	Buy	+4,698	New	+$280K	0.02%	368