Tekla Capital Management LLC Alexion Pharmaceuticals, Inc. Transaction History

Tekla Capital Management LLC

$2.53 Billion
Q2 2023

Shares

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held	SEC Form
Q3 2021 Nov 12, 2021	SELL	N/A	-64,453 Closed	0 $0
Q2 2021 Aug 13, 2021	SELL	N/A	-46,240 Reduced 41.77%	64,453 $11.8 Million
Q1 2021 May 14, 2021	SELL	N/A	-391,249 Reduced 77.95%	110,693 $16.9 Million
Q4 2020 Feb 12, 2021	BUY	N/A	235,151 Added 88.14%	501,942 $78.4 Million
Q3 2020 Nov 13, 2020	SELL	N/A	-117,918 Reduced 30.65%	266,791 $30.5 Million
Q2 2020 Aug 13, 2020	SELL	N/A	-28,617 Reduced 6.92%	384,709 $43.2 Million
Q1 2020 May 14, 2020	SELL	N/A	-22,488 Reduced 5.16%	413,326 $37.1 Million
Q4 2019 Feb 13, 2020	SELL	N/A	-18,073 Reduced 3.98%	435,814 $47.1 Million
Q3 2019 Nov 13, 2019	BUY	N/A	53,873 Added 13.47%	453,887 $44.5 Million
Q2 2019 Aug 14, 2019	BUY	N/A	24,309 Added 6.47%	400,014 $52.4 Million
Q1 2019 May 14, 2019	SELL	N/A	-120,583 Reduced 24.3%	375,705 $50.8 Million
Q4 2018 Feb 13, 2019	BUY	N/A	57,872 Added 13.2%	496,288 $48.3 Million
Q2 2018 Aug 13, 2018	SELL	N/A	-60,559 Reduced 12.14%	438,416 $54.4 Million
Q1 2018 May 14, 2018	SELL	N/A	-160,643 Reduced 24.35%	498,975 $55.6 Million
Q4 2017 Feb 14, 2018	SELL	N/A	-91,287 Reduced 12.16%	659,618 $78.9 Million
Q2 2017 Aug 14, 2017	BUY	N/A	750,905	750,905 $91.4 Million

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