The first Prothena plc trade was made in Q2 2015.
Since then Steven Cohen bought shares eight more times and sold shares on nine occasions. The investor sold all their shares in Q4 2023 and doesn't own any shares in Prothena plc anymore.
Avg closing price
Price range
Sold -220 Thousand shares
Q4 2023
Avg closing price
$38.49
Price range
$32.31
-
$52.32
Increased shares by 0.4% (+821 shares)
Q3 2023
Avg closing price
$59.41
Price range
$47.30
-
$70.60
Sold 34.7% shares (-116 Thousand shares)
Q2 2023
Avg closing price
$64.50
Price range
$48.26
-
$78.59
Increased shares by 7.5% (+23.5 Thousand shares)
Q1 2023
Avg closing price
$52.83
Price range
$46.97
-
$58.27
Increased shares by 85.0% (+143 Thousand shares)
Q4 2022
Avg closing price
$58.56
Price range
$52.05
-
$65.00
Increased shares by 68.6% (+68.5 Thousand shares)
Q3 2022
Avg closing price
$31.61
Price range
$25.16
-
$60.63
Sold 42.3% shares (-73.1 Thousand shares)
Q2 2022
Avg closing price
$29.25
Price range
$22.73
-
$39.98
Sold 10.5% shares (-20.2 Thousand shares)
Q1 2022
Avg closing price
$36.05
Price range
$30.27
-
$49.22
Increased shares by 19.3% (+31.3 Thousand shares)
Q4 2021
Avg closing price
$55.45
Price range
$42.11
-
$73.26
Sold 4.1% shares (-6.9 Thousand shares)
Q3 2021
Avg closing price
$62.11
Price range
$48.20
-
$78.89
New holding (+169 Thousand shares)
Q2 2021
Avg closing price
$31.20
Price range
$21.63
-
$57.65
Sold -266 Thousand shares
Q3 2020
Avg closing price
$12.03
Price range
$9.93
-
$13.47
Sold 48.5% shares (-250 Thousand shares)
Q2 2020
Avg closing price
$11.11
Price range
$9.56
-
$12.51
Increased shares by 60.1% (+194 Thousand shares)
Q1 2020