PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Palo Alto Investors LP's Holding History (CIK: 0001306923)

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

Q4 2025
Shares 1,320,510 Value ($000) $12,611 Avg Close $10.18 Range $9.07 - $11.69
Q3 2025
Shares 1,324,028 Value ($000) $12,923 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 1,274,753 Value ($000) $7,738 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 1,659,734 Value ($000) $20,539 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 1,737,964 Value ($000) $24,071 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 1,737,964 Value ($000) $29,076 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 1,666,378 Value ($000) $34,394 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 1,663,448 Value ($000) $41,204 Avg Close $29.75 Range $24.25 - $41.55
Q4 2023
Shares 1,660,057 Value ($000) $60,326 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 1,657,458 Value ($000) $79,972 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 1,657,458 Value ($000) $113,171 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 1,663,777 Value ($000) $80,643 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 1,658,577 Value ($000) $99,929 Avg Close $58.56 Range $50.89 - $66.47
Q3 2022
Shares 1,649,777 Value ($000) $100,026 Avg Close $31.61 Range $25.02 - $64.00
Q2 2022
Shares 1,681,477 Value ($000) $45,652 Avg Close $29.25 Range $21.06 - $40.31
Q1 2022
Shares 1,681,477 Value ($000) $61,492 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 1,685,282 Value ($000) $83,253 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 1,685,282 Value ($000) $120,043 Avg Close $62.11 Range $45.09 - $79.75
Q2 2021
Shares 1,731,482 Value ($000) $89,015 Avg Close $31.20 Range $21.30 - $59.74
Q1 2021
Shares 1,742,505 Value ($000) $43,772 Avg Close $18.81 Range $10.72 - $28.66
Q4 2020
Shares 1,691,805 Value ($000) $20,319 Avg Close $11.83 Range $9.86 - $14.14
Q3 2020
Shares 1,328,734 Value ($000) $13,274 Avg Close $12.03 Range $9.67 - $13.78
Q2 2020
Shares 771,065 Value ($000) $8,065 Avg Close $11.11 Range $9.25 - $12.98
Q1 2020
Shares 775,296 Value ($000) $8,296 Avg Close $12.11 Range $7.10 - $16.05
Q4 2019
Shares 992,749 Value ($000) $15,715 Avg Close $10.72 Range $7.40 - $17.63
Q3 2019
Shares 1,004,449 Value ($000) $7,875 Avg Close $8.88 Range $6.71 - $10.70
Q2 2019
Shares 1,108,510 Value ($000) $11,717 Avg Close $10.27 Range $8.67 - $12.54
Q1 2019
Shares 1,108,510 Value ($000) $13,446 Avg Close $12.49 Range $9.97 - $14.77
Q4 2018
Shares 1,108,510 Value ($000) $11,418 Avg Close $11.89 Range $8.63 - $13.83
Q3 2018
Shares 1,103,325 Value ($000) $14,431 Avg Close $14.44 Range $12.23 - $15.91
Q2 2018
Shares 1,103,325 Value ($000) $16,086 Avg Close $19.75 Range $10.43 - $44.75
Q1 2018
Shares 1,101,338 Value ($000) $40,430 Avg Close $36.37 Range $27.19 - $46.14
Q4 2017
Shares 1,095,655 Value ($000) $41,076 Avg Close $50.91 Range $34.85 - $64.96
Q3 2017
Shares 1,095,655 Value ($000) $70,966 Avg Close $61.26 Range $52.91 - $70.00
Q2 2017
Shares 1,073,955 Value ($000) $58,122 Avg Close $53.29 Range $48.23 - $59.10
Q1 2017
Shares 1,055,855 Value ($000) $58,906 Avg Close $52.54 Range $45.13 - $63.14
Q4 2016
Shares 993,855 Value ($000) $48,888 Avg Close $55.18 Range $40.58 - $68.18
Q3 2016
Shares 934,455 Value ($000) $56,039 Avg Close $53.65 Range $35.04 - $64.50
Q2 2016
Shares 788,618 Value ($000) $27,570 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 695,518 Value ($000) $28,628 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 695,518 Value ($000) $47,372 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 695,918 Value ($000) $31,553 Avg Close $58.24 Range $42.20 - $70.52
Q2 2015
Shares 695,918 Value ($000) $36,654 Avg Close $39.47 Range $30.14 - $55.97
Q1 2015
Shares 695,918 Value ($000) $26,542 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 691,218 Value ($000) $14,350 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 673,818 Value ($000) $14,932 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 534,018 Value ($000) $12,042 Avg Close $25.01 Range $18.52 - $41.33
Q1 2014
Shares 532,918 Value ($000) $20,416 Avg Close $32.24 Range $24.42 - $49.24
Q4 2013
Shares 537,418 Value ($000) $14,252 Avg Close $25.08 Range $18.93 - $30.55
Q3 2013
Shares 88,500 Value ($000) $1,790 Avg Close $17.69 Range $12.14 - $22.48
Q2 2013
Shares 88,500 Value ($000) $1,143 Avg Close $9.30 Range $6.49 - $14.00