A detailed history of Black Rock Inc. transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Black Rock Inc. holds 3,857,079 shares of PRTA stock, worth $58.7 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
3,857,079
Previous 3,718,813 3.72%
Holding current value
$58.7 Million
Previous $92.1 Million 13.57%
% of portfolio
0.0%
Previous 0.0%

Shares

13 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2024

Aug 13, 2024

BUY
$19.54 - $26.15 $2.7 Million - $3.62 Million
138,266 Added 3.72%
3,857,079 $79.6 Million
Q1 2024

May 10, 2024

SELL
$24.75 - $40.66 $1.28 Million - $2.11 Million
-51,837 Reduced 1.37%
3,718,813 $92.1 Million
Q4 2023

Feb 13, 2024

BUY
$32.31 - $52.32 $7.41 Million - $12 Million
229,406 Added 6.48%
3,770,650 $137 Million
Q3 2023

Nov 13, 2023

SELL
$47.3 - $70.6 $3.31 Million - $4.94 Million
-70,010 Reduced 1.94%
3,541,244 $171 Million
Q2 2023

Aug 11, 2023

SELL
$48.26 - $78.59 $645,380 - $1.05 Million
-13,373 Reduced 0.37%
3,611,254 $247 Million
Q1 2023

May 12, 2023

BUY
$46.97 - $58.27 $6.56 Million - $8.13 Million
139,559 Added 4.0%
3,624,627 $176 Million
Q4 2022

Feb 13, 2023

BUY
$52.05 - $65.0 $18 Million - $22.5 Million
346,324 Added 11.03%
3,485,068 $210 Million
Q3 2022

Nov 14, 2022

SELL
$25.16 - $60.63 $8.37 Million - $20.2 Million
-332,556 Reduced 9.58%
3,138,744 $190 Million
Q2 2022

Aug 12, 2022

SELL
$22.73 - $39.98 $8.87 Million - $15.6 Million
-390,286 Reduced 10.11%
3,471,300 $94.2 Million
Q1 2022

May 12, 2022

SELL
$30.27 - $49.22 $324,312 - $527,343
-10,714 Reduced 0.28%
3,861,586 $141 Million
Q4 2021

Feb 10, 2022

BUY
$42.11 - $73.26 $4.32 Million - $7.52 Million
102,596 Added 2.72%
3,872,300 $191 Million
Q3 2021

Nov 09, 2021

BUY
$48.2 - $78.89 $4.23 Million - $6.93 Million
87,856 Added 2.39%
3,769,704 $269 Million
Q2 2021

Aug 11, 2021

BUY
$21.63 - $57.65 $79.6 Million - $212 Million
3,681,848 New
3,681,848 $189 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 $714M
  • 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 Black Rock Inc. Portfolio

Follow Black Rock Inc. 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 Black Rock Inc., based on Form 13F filings with the SEC.

News

Stay updated on Black Rock Inc. with notifications on news.