PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

CIBC Private Wealth Group, LLC's Holding History (CIK: 0001298088)

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

Q4 2025
Shares 48 Value ($000) $0 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 48 Value ($000) $0 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 49 Value ($000) $0 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 49 Value ($000) $1 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 49 Value ($000) $1 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 49 Value ($000) $1 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 49 Value ($000) $1 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 49 Value ($000) $1 Avg Close $29.75 Range $24.25 - $41.55
Q2 2018
Shares 49 Value ($000) $1 Avg Close $19.75 Range $10.43 - $44.75
Q1 2018
Shares 49 Value ($000) $2 Avg Close $36.37 Range $27.19 - $46.14
Q4 2017
Shares 137 Value ($000) $5 Avg Close $50.91 Range $34.85 - $64.96