Marshall Wace’s Boston Scientific Corporation 5.50% Mandatory Convertible Preferred Stock, Series A BSX.PRA Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-110,000	Closed	-$11.5M	–	1979
2020 Q2	$11.5M	Buy	+110,000	New	+$11.5M	0.08%	231