PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

DCF Advisers, LLC's Holding History (CIK: 0001802493)

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

Q4 2025
Shares 195,747 Value ($000) $1,869 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 200,747 Value ($000) $1,959 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 156,500 Value ($000) $950 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 195,000 Value ($000) $2,413 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 103,500 Value ($000) $1,433 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 107,500 Value ($000) $1,798 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 107,500 Value ($000) $2,219 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 107,000 Value ($000) $2,650 Avg Close $29.75 Range $24.25 - $41.55
Q4 2023
Shares 84,000 Value ($000) $3,053 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 82,950 Value ($000) $4,002 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 84,750 Value ($000) $5,787 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 84,250 Value ($000) $4,084 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 74,100 Value ($000) $4,465 Avg Close $58.56 Range $50.89 - $66.47
Q3 2022
Shares 68,000 Value ($000) $4,123 Avg Close $31.61 Range $25.02 - $64.00
Q2 2022
Shares 67,856 Value ($000) $1,842 Avg Close $29.25 Range $21.06 - $40.31
Q1 2022
Shares 76,000 Value ($000) $2,779 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 60,000 Value ($000) $2,964 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 60,000 Value ($000) $4,274 Avg Close $62.11 Range $45.09 - $79.75
Q2 2021
Shares 61,750 Value ($000) $3,175 Avg Close $31.20 Range $21.30 - $59.74
Q1 2021
Shares 45,856 Value ($000) $1,152 Avg Close $18.81 Range $10.72 - $28.66