PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Birchview Capital, LP's Holding History (CIK: 0001618205)

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

Q4 2025
Shares 441,019 Value ($000) $4,212 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 549,019 Value ($000) $5,358 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 451,019 Value ($000) $2,738 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 332,974 Value ($000) $4,121 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 304,574 Value ($000) $4,218 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 209,574 Value ($000) $3,506 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 203,574 Value ($000) $4,202 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 169,574 Value ($000) $4,200 Avg Close $29.75 Range $24.25 - $41.55
Q4 2023
Shares 169,574 Value ($000) $6,162 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 169,574 Value ($000) $8,182 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 156,111 Value ($000) $10,659 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 128,395 Value ($000) $6 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 127,195 Value ($000) $8 Avg Close $58.56 Range $50.89 - $66.47
Q3 2022
Shares 118,945 Value ($000) $7,212 Avg Close $31.61 Range $25.02 - $64.00
Q2 2022
Shares 102,548 Value ($000) $2,784 Avg Close $29.25 Range $21.06 - $40.31
Q1 2022
Shares 41,978 Value ($000) $1,535 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 40,247 Value ($000) $1,988 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 40,247 Value ($000) $2,867 Avg Close $62.11 Range $45.09 - $79.75
Q2 2021
Shares 30,247 Value ($000) $1,555 Avg Close $31.20 Range $21.30 - $59.74
Q3 2017
Shares 3,632 Value ($000) $235 Avg Close $61.26 Range $52.91 - $70.00