PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 78,804 Value ($000) $753 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 72,239 Value ($000) $705 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 59,965 Value ($000) $364 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 34,836 Value ($000) $431 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 30,399 Value ($000) $421 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 18,302 Value ($000) $306 Avg Close $21.50 Range $15.52 - $25.42
Q4 2022
Shares 4,167 Value ($000) $251 Avg Close $58.56 Range $50.89 - $66.47
Q2 2019
Shares 267,821 Value ($000) $2,831 Avg Close $10.27 Range $8.67 - $12.54
Q1 2019
Shares 205,756 Value ($000) $2,496 Avg Close $12.49 Range $9.97 - $14.77
Q4 2018
Shares 19,771 Value ($000) $204 Avg Close $11.89 Range $8.63 - $13.83
Q4 2017
Shares 33,377 Value ($000) $1,251 Avg Close $50.91 Range $34.85 - $64.96
Q3 2017
Shares 23,982 Value ($000) $1,553 Avg Close $61.26 Range $52.91 - $70.00
Q2 2017
Shares 20,584 Value ($000) $1,114 Avg Close $53.29 Range $48.23 - $59.10
Q1 2017
Shares 22,819 Value ($000) $1,273 Avg Close $52.54 Range $45.13 - $63.14
Q4 2016
Shares 38,807 Value ($000) $1,909 Avg Close $55.18 Range $40.58 - $68.18
Q3 2016
Shares 42,944 Value ($000) $2,575 Avg Close $53.65 Range $35.04 - $64.50
Q2 2016
Shares 48,151 Value ($000) $1,683 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 41,861 Value ($000) $1,723 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 41,054 Value ($000) $2,796 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 30,011 Value ($000) $1,361 Avg Close $58.24 Range $42.20 - $70.52
Q1 2015
Shares 85,113 Value ($000) $3,246 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 192,555 Value ($000) $3,997 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 174,865 Value ($000) $3,875 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 67,294 Value ($000) $1,517 Avg Close $25.01 Range $18.52 - $41.33