A detailed history of Rock Springs Capital Management LP transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Rock Springs Capital Management LP holds 625,048 shares of PRTA stock, worth $7.47 Million. This represents 0.36% of its overall portfolio holdings.

Number of Shares
625,048
Previous 625,048 -0.0%
Holding current value
$7.47 Million
Previous $12.9 Million 18.94%
% of portfolio
0.36%
Previous 0.4%

Shares

16 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q4 2023

Feb 14, 2024

BUY
$32.31 - $52.32 $347,332 - $562,440
10,750 Added 1.75%
625,048 $22.7 Million
Q3 2023

Nov 14, 2023

SELL
$47.3 - $70.6 $6.58 Million - $9.82 Million
-139,164 Reduced 18.47%
614,298 $29.6 Million
Q4 2022

Feb 14, 2023

BUY
$52.05 - $65.0 $3.9 Million - $4.88 Million
75,000 Added 11.05%
753,462 $45.4 Million
Q2 2022

Aug 15, 2022

BUY
$22.73 - $39.98 $339,404 - $596,981
14,932 Added 2.25%
678,462 $18.4 Million
Q1 2022

May 16, 2022

BUY
$30.27 - $49.22 $478,266 - $777,676
15,800 Added 2.44%
663,530 $24.3 Million
Q4 2021

Feb 14, 2022

SELL
$42.11 - $73.26 $2.64 Million - $4.59 Million
-62,700 Reduced 8.83%
647,730 $32 Million
Q3 2021

Nov 15, 2021

SELL
$48.2 - $78.89 $11.6 Million - $18.9 Million
-239,661 Reduced 25.23%
710,430 $50.6 Million
Q2 2021

Aug 16, 2021

SELL
$21.63 - $57.65 $4.47 Million - $11.9 Million
-206,809 Reduced 17.88%
950,091 $48.8 Million
Q1 2021

May 17, 2021

BUY
$11.0 - $28.24 $173,800 - $446,192
15,800 Added 1.38%
1,156,900 $29.1 Million
Q4 2020

Feb 16, 2021

BUY
$10.12 - $13.94 $1.17 Million - $1.62 Million
115,893 Added 11.3%
1,141,100 $13.7 Million
Q3 2020

Nov 16, 2020

BUY
$9.93 - $13.47 $357,370 - $484,771
35,989 Added 3.64%
1,025,207 $10.2 Million
Q2 2020

Aug 14, 2020

BUY
$9.56 - $12.51 $4.68 Million - $6.12 Million
489,218 Added 97.84%
989,218 $10.3 Million
Q1 2020

May 15, 2020

BUY
$7.54 - $15.77 $1.37 Million - $2.86 Million
181,500 Added 56.99%
500,000 $5.35 Million
Q1 2018

May 15, 2018

BUY
$27.95 - $45.04 $237,575 - $382,840
8,500 Added 2.74%
318,500 $11.7 Million
Q4 2017

Feb 14, 2018

BUY
$35.44 - $63.76 $17,720 - $31,880
500 Added 0.16%
310,000 $11.6 Million
Q3 2017

Nov 14, 2017

BUY
$53.83 - $67.75 $16.7 Million - $21 Million
309,500
309,500 $20 Million

Others Institutions Holding PRTA

About PROTHENA CORP PUBLIC LTD CO


  • Ticker PRTA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 46,922,800
  • Market Cap $561M
  • 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...
More about PRTA
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