Hudson Bay Capital Management LP Prothena Corp Public LTD CO Transaction History

Hudson Bay Capital Management LP

12 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2023 Feb 14, 2024	SELL	$32.31 - $52.32 $403,875 - $654,000	-12,500 Reduced 38.46%	20,000 $726,000
Q3 2023 Nov 14, 2023	BUY	$47.3 - $70.6 $1.54 Million - $2.29 Million	32,500 New	32,500 $1.57 Million
Q2 2021 Aug 16, 2021	SELL	$21.63 - $57.65 $1.51 Million - $4.04 Million	-70,000 Closed	0 $0
Q1 2021 May 14, 2021	BUY	$11.0 - $28.24 $770,000 - $1.98 Million	70,000 New	70,000 $1.76 Million
Q4 2020 Feb 12, 2021	SELL	$10.12 - $13.94 $2.28 Million - $3.14 Million	-225,000 Closed	0 $0
Q3 2020 Nov 12, 2020	BUY	$9.93 - $13.47 $183,158 - $248,454	18,445 Added 8.93%	225,000 $2.25 Million
Q2 2020 Aug 12, 2020	BUY	$9.56 - $12.51 $253,865 - $332,203	26,555 Added 14.75%	206,555 $2.16 Million
Q1 2020 May 14, 2020	BUY	$7.54 - $15.77 $1.24 Million - $2.6 Million	165,000 Added 1100.0%	180,000 $1.93 Million
Q4 2019 Feb 12, 2020	BUY	$7.48 - $17.01 $112,200 - $255,150	15,000 New	15,000 $237,000
Q1 2018 May 14, 2018	SELL	$27.95 - $45.04 $1.4 Million - $2.25 Million	-50,000 Closed	0 $0
Q4 2017 Feb 12, 2018	BUY	$35.44 - $63.76 $1.06 Million - $1.91 Million	30,000 Added 150.0%	50,000 $1.88 Million
Q3 2017 Nov 13, 2017	BUY	$53.83 - $67.75 $1.08 Million - $1.36 Million	20,000	20,000 $1.3 Million

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42.8M

162K

102K

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $726M
Description
Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...

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