PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

SIGNATUREFD, LLC's Holding History (CIK: 0001456048)

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

Q4 2025
Shares 3,609 Value ($000) $34 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 3,670 Value ($000) $36 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 3,357 Value ($000) $20 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 360 Value ($000) $4 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 352 Value ($000) $5 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 901 Value ($000) $15 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 1,337 Value ($000) $28 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 474 Value ($000) $12 Avg Close $29.75 Range $24.25 - $41.55
Q4 2023
Shares 377 Value ($000) $14 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 295 Value ($000) $14 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 301 Value ($000) $21 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 295 Value ($000) $14 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 340 Value ($000) $20 Avg Close $58.56 Range $50.89 - $66.47
Q3 2022
Shares 424 Value ($000) $26 Avg Close $31.61 Range $25.02 - $64.00
Q2 2022
Shares 420 Value ($000) $11 Avg Close $29.25 Range $21.06 - $40.31
Q1 2022
Shares 420 Value ($000) $15 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 420 Value ($000) $21 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 420 Value ($000) $30 Avg Close $62.11 Range $45.09 - $79.75
Q2 2021
Shares 628 Value ($000) $32 Avg Close $31.20 Range $21.30 - $59.74
Q1 2021
Shares 666 Value ($000) $17 Avg Close $18.81 Range $10.72 - $28.66
Q4 2020
Shares 625 Value ($000) $8 Avg Close $11.83 Range $9.86 - $14.14
Q3 2020
Shares 625 Value ($000) $6 Avg Close $12.03 Range $9.67 - $13.78
Q2 2020
Shares 625 Value ($000) $7 Avg Close $11.11 Range $9.25 - $12.98
Q2 2019
Shares 4 Value ($000) $0 Avg Close $10.27 Range $8.67 - $12.54
Q1 2019
Shares 4 Value ($000) $0 Avg Close $12.49 Range $9.97 - $14.77
Q4 2018
Shares 4 Value ($000) $0 Avg Close $11.89 Range $8.63 - $13.83
Q3 2018
Shares 4 Value ($000) $0 Avg Close $14.44 Range $12.23 - $15.91
Q2 2018
Shares 4 Value ($000) $0 Avg Close $19.75 Range $10.43 - $44.75
Q1 2018
Shares 4 Value ($000) $0 Avg Close $36.37 Range $27.19 - $46.14
Q3 2016
Shares 4 Value ($000) $0 Avg Close $53.65 Range $35.04 - $64.50
Q2 2016
Shares 4 Value ($000) $0 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 4 Value ($000) $0 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 4 Value ($000) $0 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 4 Value ($000) $0 Avg Close $58.24 Range $42.20 - $70.52
Q2 2015
Shares 4 Value ($000) $0 Avg Close $39.47 Range $30.14 - $55.97
Q1 2015
Shares 8 Value ($000) $0 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 8 Value ($000) $0 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 8 Value ($000) $0 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 8 Value ($000) $0 Avg Close $25.01 Range $18.52 - $41.33
Q1 2014
Shares 8 Value ($000) $0 Avg Close $32.24 Range $24.42 - $49.24
Q4 2013
Shares 132 Value ($000) $4 Avg Close $25.08 Range $18.93 - $30.55
Q3 2013
Shares 132 Value ($000) $3 Avg Close $17.69 Range $12.14 - $22.48
Q2 2013
Shares 132 Value ($000) $2 Avg Close $9.30 Range $6.49 - $14.00