Marshall Wace North America’s Boston Scientific BSX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	$236M	Sell	5,446,332 -413,523	-7%	-$18.3M	1.01%	11
2021 Q2	$251M	Buy	5,859,855 +1,089,462	+23%	+$45.8M	1.05%	11
2021 Q1	$184M	Buy	4,770,393 +180,286	+4%	+$6.82M	0.77%	17
2020 Q4	$165M	Buy	4,590,107 +693,756	+18%	+$25M	0.75%	18
2020 Q3	$149M	Sell	3,896,351 -1,357,198	-26%	-$52.3M	0.95%	18
2020 Q2	$184M	Buy	5,253,549 +166,825	+3%	+$6.01M	1.22%	9
2020 Q1	$166M	Sell	5,086,724 -2,303,173	-31%	-$90M	1.26%	11
2019 Q4	$334M	Sell	7,389,897 -1,263,791	-15%	-$52.9M	1.61%	3
2019 Q3	$352M	Buy	8,653,688 +218,273	+3%	+$9.25M	2%	4
2019 Q2	$363M	Sell	8,435,415 -567,255	-6%	-$21.8M	2.25%	1
2019 Q1	$346M	Buy	9,002,670 +2,494,598	+38%	+$95.3M	2.45%	2
2018 Q4	$230M	Sell	6,508,072 -825,324	-11%	-$29.9M	2.23%	5
2018 Q3	$282M	Sell	7,333,396 -1,615,233	-18%	-$56.4M	1.94%	4
2018 Q2	$293M	Sell	8,948,629 -2,567,644	-22%	-$77.4M	1.66%	2
2018 Q1	$315M	Buy	11,516,273 +1,205,496	+12%	+$32.8M	1.58%	3
2017 Q4	$256M	Buy	10,310,777 +7,929,843	+333%	+$219M	1.41%	5
2017 Q3	$69M	Buy	2,380,934 +197,751	+9%	+$5.46M	0.44%	40
2017 Q2	$61.1M	Sell	2,183,183 -3,811,174	-64%	-$101M	0.45%	49
2017 Q1	$150M	Buy	+5,994,357	New	+$146M	1.18%	6