A detailed history of Covestor LTD transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Covestor LTD holds 31,432 shares of PRTA stock, worth $337,894. This represents 0.17% of its overall portfolio holdings.

Number of Shares
31,432
Previous 42,295 25.68%
Holding current value
$337,894
Previous $257,000 19.46%
% of portfolio
0.17%
Previous 0.15%

Shares

5 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 30, 2025

SELL
$6.22 - $9.76 $67,567 - $106,022
-10,863 Reduced 25.68%
31,432 $307,000
Q2 2025

Aug 11, 2025

BUY
$4.58 - $12.14 $193,692 - $513,412
42,291 Added 1057275.0%
42,295 $257,000
Q1 2024

May 10, 2024

BUY
$24.75 - $40.66 $24 - $40
1 Added 33.33%
4 $0
Q4 2022

Feb 13, 2023

SELL
$52.05 - $65.0 $52 - $65
-1 Reduced 25.0%
3 $0
Q3 2022

Nov 14, 2022

BUY
$25.16 - $60.63 $100 - $242
4 New
4 $0

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 $504M
  • 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
Track This Portfolio

Track Covestor LTD Portfolio

Follow Covestor LTD and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Covestor LTD, based on Form 13F filings with the SEC.

News

Stay updated on Covestor LTD with notifications on news.