A detailed history of American Century Companies Inc transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, American Century Companies Inc holds 18,302 shares of PRTA stock, worth $267,209. This represents 0.0% of its overall portfolio holdings.

Number of Shares
18,302
Holding current value
$267,209
% of portfolio
0.0%

Shares

9 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 12, 2024

BUY
$16.73 - $24.79 $306,192 - $453,706
18,302 New
18,302 $306,000
Q4 2022

Feb 13, 2023

BUY
$52.05 - $65.0 $216,892 - $270,855
4,167 New
4,167 $251,000
Q3 2019

Nov 13, 2019

SELL
$6.89 - $10.45 $1.85 Million - $2.8 Million
-267,821 Closed
0 $0
Q2 2019

Aug 14, 2019

BUY
$8.85 - $12.49 $549,275 - $775,191
62,065 Added 30.16%
267,821 $2.83 Million
Q1 2019

May 14, 2019

BUY
$10.32 - $14.49 $1.92 Million - $2.69 Million
185,985 Added 940.7%
205,756 $0
Q4 2018

Feb 13, 2019

BUY
$8.73 - $13.74 $172,600 - $271,653
19,771 New
19,771 $204,000
Q1 2018

May 03, 2018

SELL
$27.95 - $45.04 $932,887 - $1.5 Million
-33,377 Closed
0 $0
Q4 2017

Feb 02, 2018

BUY
$35.44 - $63.76 $332,958 - $599,025
9,395 Added 39.18%
33,377 $1.25 Million
Q3 2017

Nov 01, 2017

BUY
$53.83 - $67.75 $1.29 Million - $1.62 Million
23,982
23,982 $1.55 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 $685M
  • 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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