A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Citadel Advisors LLC holds 20,900 shares of PRTA stock, worth $305,140. This represents 0.0% of its overall portfolio holdings.

Number of Shares
20,900
Previous 16,700 25.15%
Holding current value
$305,140
Previous $344,000 1.45%
% of portfolio
0.0%
Previous 0.0%

Shares

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

Nov 14, 2024

SELL
$16.73 - $24.79 $1.93 Million - $2.86 Million
-115,470 Reduced 32.7%
237,683 $3.98 Million
Q2 2024

Aug 14, 2024

BUY
$19.54 - $26.15 $2.31 Million - $3.09 Million
118,227 Added 50.33%
353,153 $7.29 Million
Q1 2024

May 15, 2024

BUY
$24.75 - $40.66 $2.38 Million - $3.92 Million
96,339 Added 69.52%
234,926 $5.82 Million
Q4 2023

Feb 14, 2024

SELL
$32.31 - $52.32 $334,343 - $541,407
-10,348 Reduced 6.95%
138,587 $5.04 Million
Q3 2023

Nov 14, 2023

BUY
$47.3 - $70.6 $6.08 Million - $9.07 Million
128,493 Added 628.57%
148,935 $7.19 Million
Q2 2023

Aug 14, 2023

SELL
$48.26 - $78.59 $832,919 - $1.36 Million
-17,259 Reduced 45.78%
20,442 $1.4 Million
Q1 2023

May 15, 2023

BUY
$46.97 - $58.27 $1.76 Million - $2.18 Million
37,452 Added 15040.96%
37,701 $1.83 Million
Q4 2022

Feb 14, 2023

SELL
$52.05 - $65.0 $9.81 Million - $12.2 Million
-188,394 Reduced 99.87%
249 $15,000
Q3 2022

Nov 14, 2022

BUY
$25.16 - $60.63 $833,601 - $2.01 Million
33,132 Added 21.31%
188,643 $11.4 Million
Q2 2022

Aug 15, 2022

BUY
$22.73 - $39.98 $2.55 Million - $4.48 Million
111,996 Added 257.37%
155,511 $4.22 Million
Q1 2022

May 16, 2022

BUY
$30.27 - $49.22 $478,931 - $778,758
15,822 Added 57.13%
43,515 $1.59 Million
Q4 2021

Feb 14, 2022

SELL
$42.11 - $73.26 $3.19 Million - $5.55 Million
-75,812 Reduced 73.24%
27,693 $1.37 Million
Q3 2021

Nov 15, 2021

BUY
$48.2 - $78.89 $2.28 Million - $3.73 Million
47,232 Added 83.93%
103,505 $7.37 Million
Q1 2021

May 17, 2021

BUY
$11.0 - $28.24 $167,629 - $430,349
15,239 Added 37.14%
56,273 $1.41 Million
Q4 2020

Feb 16, 2021

SELL
$10.12 - $13.94 $822,310 - $1.13 Million
-81,256 Reduced 66.45%
41,034 $493,000
Q3 2020

Nov 16, 2020

SELL
$9.93 - $13.47 $729,596 - $989,694
-73,474 Reduced 37.53%
122,290 $1.22 Million
Q2 2020

Aug 14, 2020

SELL
$9.56 - $12.51 $5.36 Million - $7.01 Million
-560,667 Reduced 74.12%
195,764 $2.05 Million
Q1 2020

May 15, 2020

SELL
$7.54 - $15.77 $1.27 Million - $2.65 Million
-167,775 Reduced 18.15%
756,431 $8.09 Million
Q4 2019

Feb 14, 2020

SELL
$7.48 - $17.01 $3.49 Million - $7.93 Million
-466,106 Reduced 33.53%
924,206 $14.6 Million
Q3 2019

Nov 14, 2019

SELL
$6.89 - $10.45 $697,888 - $1.06 Million
-101,290 Reduced 6.79%
1,390,312 $10.9 Million
Q2 2019

Aug 14, 2019

BUY
$8.85 - $12.49 $343,813 - $485,224
38,849 Added 2.67%
1,491,602 $15.8 Million
Q1 2019

May 15, 2019

BUY
$10.32 - $14.49 $2.64 Million - $3.7 Million
255,589 Added 21.35%
1,452,753 $0
Q4 2018

Feb 14, 2019

BUY
$8.73 - $13.74 $5.08 Million - $8 Million
582,464 Added 94.76%
1,197,164 $12.3 Million
Q3 2018

Nov 13, 2018

BUY
$12.7 - $15.79 $416,356 - $517,659
32,784 Added 5.63%
614,700 $0
Q2 2018

Aug 10, 2018

BUY
$10.99 - $44.21 $5.66 Million - $22.8 Million
515,048 Added 770.25%
581,916 $0
Q4 2017

Feb 09, 2018

BUY
$35.44 - $63.76 $2.37 Million - $4.26 Million
66,868
66,868 $2.51 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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