PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2025
Shares 17,600 Value ($000) $168 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 28,800 Value ($000) $281 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 16,400 Value ($000) $100 Avg Close $7.50 Range $4.32 - $12.45
Q4 2024
Shares 3,600 Value ($000) $50 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 11,200 Value ($000) $187 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 11,200 Value ($000) $231 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 10,100 Value ($000) $0 Avg Close $29.75 Range $24.25 - $41.55
Q4 2023
Shares 10,700 Value ($000) $0 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 6,900 Value ($000) $0 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 13,000 Value ($000) $1 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 12,500 Value ($000) $1 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 12,500 Value ($000) $1 Avg Close $58.56 Range $50.89 - $66.47
Q3 2022
Shares 19,600 Value ($000) $1,188 Avg Close $31.61 Range $25.02 - $64.00
Q2 2022
Shares 19,600 Value ($000) $532 Avg Close $29.25 Range $21.06 - $40.31
Q1 2022
Shares 16,400 Value ($000) $599 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 16,400 Value ($000) $810 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 13,700 Value ($000) $975 Avg Close $62.11 Range $45.09 - $79.75
Q2 2021
Shares 1,100 Value ($000) $56 Avg Close $31.20 Range $21.30 - $59.74
Q3 2017
Shares 2,200 Value ($000) $142 Avg Close $61.26 Range $52.91 - $70.00
Q2 2017
Shares 1,300 Value ($000) $70 Avg Close $53.29 Range $48.23 - $59.10
Q3 2016
Shares 2,200 Value ($000) $131 Avg Close $53.65 Range $35.04 - $64.50
Q1 2016
Shares 1,400 Value ($000) $57 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 2,100 Value ($000) $143 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 1,549 Value ($000) $70 Avg Close $58.24 Range $42.20 - $70.52
Q2 2015
Shares 1,549 Value ($000) $81 Avg Close $39.47 Range $30.14 - $55.97
Q1 2015
Shares 1,549 Value ($000) $59 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 1,549 Value ($000) $32 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 1,549 Value ($000) $34 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 22,849 Value ($000) $515 Avg Close $25.01 Range $18.52 - $41.33
Q1 2014
Shares 21,349 Value ($000) $818 Avg Close $32.24 Range $24.42 - $49.24
Q4 2013
Shares 21,949 Value ($000) $582 Avg Close $25.08 Range $18.93 - $30.55
Q3 2013
Shares 2,699 Value ($000) $55 Avg Close $17.69 Range $12.14 - $22.48
Q2 2013
Shares 7,049 Value ($000) $91 Avg Close $9.30 Range $6.49 - $14.00