Marshall Wace North America’s Westlake Corp WLK Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	$28M	Sell	307,152 -43,379	-12%	-$3.72M	0.12%	190
2021 Q2	$31.6M	Buy	350,531 +5,178	+1%	+$503K	0.13%	159
2021 Q1	$30.7M	Buy	345,353 +328,402	+1,937%	+$28.5M	0.13%	186
2020 Q4	$1.38M	Buy	+16,951	New	+$1.27M	0.01%	858
2020 Q3	–	Sell	-39,614	Closed	-$2.13M	–	1502
2020 Q2	$2.13M	Buy	+39,614	New	+$1.82M	0.01%	583
2018 Q4	–	Sell	-11,478	Closed	-$954K	–	1657
2018 Q3	$954K	Buy	+11,478	New	+$1.12M	0.01%	610
2018 Q2	–	Sell	-20,746	Closed	-$2.31M	–	1731
2018 Q1	$2.31M	Sell	20,746 -14,819	-42%	-$1.65M	0.01%	776
2017 Q4	$3.79M	Sell	35,565 -2,392	-6%	-$222K	0.02%	658
2017 Q3	$3.15M	Buy	37,957 +15,933	+72%	+$1.17M	0.02%	674
2017 Q2	$1.45M	Sell	22,024 -127,173	-85%	-$8.07M	0.01%	829
2017 Q1	$9.85M	Buy	+149,197	New	+$9.44M	0.08%	270
2013 Q4	$10.1M	Sell	165,208 -32,288	-16%	-$1.81M	0.21%	112
2013 Q3	$10.3M	Sell	197,496 -24,940	-11%	-$1.27M	0.32%	90
2013 Q2	$10.7M	Buy	+222,436	New	+$10M	0.85%	26