Palo Alto Investors LP Prothena Corp Public LTD CO Transaction History

Palo Alto Investors LP

  • $856 Million
  • Q1 2024

A detailed history of Palo Alto Investors LP transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Palo Alto Investors LP holds 1,663,448 shares of PRTA stock, worth $34.3 Million. This represents 4.81% of its overall portfolio holdings.

Number of Shares
1,663,448
Previous 1,660,057 0.2%
Holding current value
$34.3 Million
Previous $60.3 Million 31.7%
% of portfolio
4.81%
Previous 5.52%

Shares

20 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024
BUY
$24.75 - $40.66 $83,927 - $137,878
3,391 Added 0.2%
1,663,448 $41.2 Million
Q4 2023

Feb 14, 2024
BUY
$32.31 - $52.32 $83,973 - $135,979
2,599 Added 0.16%
1,660,057 $60.3 Million
Q2 2023

Aug 14, 2023
SELL
$48.26 - $78.59 $304,954 - $496,610
-6,319 Reduced 0.38%
1,657,458 $113 Million
Q1 2023

May 15, 2023
BUY
$46.97 - $58.27 $244,244 - $303,004
5,200 Added 0.31%
1,663,777 $80.6 Million
Q4 2022

Feb 14, 2023
BUY
$52.05 - $65.0 $458,040 - $572,000
8,800 Added 0.53%
1,658,577 $99.9 Million
Q3 2022

Nov 14, 2022
SELL
$25.16 - $60.63 $797,572 - $1.92 Million
-31,700 Reduced 1.89%
1,649,777 $100 Million
Q1 2022

May 16, 2022
SELL
$30.27 - $49.22 $115,177 - $187,282
-3,805 Reduced 0.23%
1,681,477 $61.5 Million
Q3 2021

Nov 15, 2021
SELL
$48.2 - $78.89 $2.23 Million - $3.64 Million
-46,200 Reduced 2.67%
1,685,282 $120 Million
Q2 2021

Aug 16, 2021
SELL
$21.63 - $57.65 $238,427 - $635,475
-11,023 Reduced 0.63%
1,731,482 $89 Million
Q1 2021

May 17, 2021
BUY
$11.0 - $28.24 $557,700 - $1.43 Million
50,700 Added 3.0%
1,742,505 $43.8 Million
Q4 2020

Feb 16, 2021
BUY
$10.12 - $13.94 $3.67 Million - $5.06 Million
363,071 Added 27.32%
1,691,805 $20.3 Million
Q3 2020

Nov 16, 2020
BUY
$9.93 - $13.47 $5.54 Million - $7.51 Million
557,669 Added 72.32%
1,328,734 $13.3 Million
Q2 2020

Aug 14, 2020
SELL
$9.56 - $12.51 $40,448 - $52,929
-4,231 Reduced 0.55%
771,065 $8.07 Million
Q1 2020

May 15, 2020
SELL
$7.54 - $15.77 $1.64 Million - $3.43 Million
-217,453 Reduced 21.9%
775,296 $8.3 Million
Q4 2019

Feb 14, 2020
SELL
$7.48 - $17.01 $87,516 - $199,017
-11,700 Reduced 1.16%
992,749 $15.7 Million
Q3 2019

Nov 14, 2019
SELL
$6.89 - $10.45 $716,980 - $1.09 Million
-104,061 Reduced 9.39%
1,004,449 $7.88 Million
Q4 2018

Feb 14, 2019
BUY
$8.73 - $13.74 $45,265 - $71,241
5,185 Added 0.47%
1,108,510 $11.4 Million
Q2 2018

Aug 14, 2018
BUY
$10.99 - $44.21 $21,837 - $87,845
1,987 Added 0.18%
1,103,325 $16.1 Million
Q1 2018

May 15, 2018
BUY
$27.95 - $45.04 $158,839 - $255,962
5,683 Added 0.52%
1,101,338 $40.4 Million
Q3 2017

Nov 14, 2017
BUY
$53.83 - $67.75 $59 Million - $74.2 Million
1,095,655
1,095,655 $71 Million

Others Institutions Holding PRTA

# of Institutions
186
Shares Held
45.4M
Call Options Held
119K
Put Options Held
144K
View Full List

About PROTHENA CORP PUBLIC LTD CO

PRTA Quotes by TradingView
  • Ticker PRTA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 46,922,800
  • Market Cap $968M
  • 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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