PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

OPPENHEIMER & CO INC's Holding History (CIK: 0000822581)

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

Q3 2025
Shares 11,660 Value ($000) $114 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 18,595 Value ($000) $113 Avg Close $7.50 Range $4.32 - $12.45
Q4 2023
Shares 6,326 Value ($000) $230 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 7,908 Value ($000) $382 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 7,613 Value ($000) $520 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 7,270 Value ($000) $352 Avg Close $52.83 Range $45.06 - $60.82
Q4 2021
Shares 4,549 Value ($000) $225 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 4,763 Value ($000) $339 Avg Close $62.11 Range $45.09 - $79.75
Q3 2018
Shares 10,705 Value ($000) $140 Avg Close $14.44 Range $12.23 - $15.91
Q2 2018
Shares 11,455 Value ($000) $166 Avg Close $19.75 Range $10.43 - $44.75
Q1 2018
Shares 7,755 Value ($000) $284 Avg Close $36.37 Range $27.19 - $46.14
Q3 2014
Shares 11,030 Value ($000) $245 Avg Close $21.20 Range $16.71 - $24.31