PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q3 2025
Shares 25,398 Value ($000) $248 Avg Close $7.69 Range $5.96 - $9.85
Q2 2025
Shares 492,601 Value ($000) $2,990 Avg Close $7.50 Range $4.32 - $12.45
Q1 2025
Shares 492,601 Value ($000) $6,096 Avg Close $14.14 Range $11.78 - $16.66
Q4 2024
Shares 644,601 Value ($000) $8,928 Avg Close $15.77 Range $11.70 - $18.88
Q3 2024
Shares 625,048 Value ($000) $10,457 Avg Close $21.50 Range $15.52 - $25.42
Q2 2024
Shares 625,048 Value ($000) $12,901 Avg Close $21.64 Range $18.69 - $26.36
Q1 2024
Shares 625,048 Value ($000) $15,482 Avg Close $29.75 Range $24.25 - $41.55
Q4 2023
Shares 625,048 Value ($000) $22,714 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 614,298 Value ($000) $29,640 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 753,462 Value ($000) $51,446 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 753,462 Value ($000) $36,520 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 753,462 Value ($000) $45,396 Avg Close $58.56 Range $50.89 - $66.47
Q3 2022
Shares 678,462 Value ($000) $41,135 Avg Close $31.61 Range $25.02 - $64.00
Q2 2022
Shares 678,462 Value ($000) $18,420 Avg Close $29.25 Range $21.06 - $40.31
Q1 2022
Shares 663,530 Value ($000) $24,265 Avg Close $36.05 Range $29.53 - $49.77
Q4 2021
Shares 647,730 Value ($000) $31,998 Avg Close $55.45 Range $40.50 - $74.32
Q3 2021
Shares 710,430 Value ($000) $50,604 Avg Close $62.11 Range $45.09 - $79.75
Q2 2021
Shares 950,091 Value ($000) $48,844 Avg Close $31.20 Range $21.30 - $59.74
Q1 2021
Shares 1,156,900 Value ($000) $29,061 Avg Close $18.81 Range $10.72 - $28.66
Q4 2020
Shares 1,141,100 Value ($000) $13,705 Avg Close $11.83 Range $9.86 - $14.14
Q3 2020
Shares 1,025,207 Value ($000) $10,242 Avg Close $12.03 Range $9.67 - $13.78
Q2 2020
Shares 989,218 Value ($000) $10,347 Avg Close $11.11 Range $9.25 - $12.98
Q1 2020
Shares 500,000 Value ($000) $5,350 Avg Close $12.11 Range $7.10 - $16.05
Q1 2018
Shares 318,500 Value ($000) $11,692 Avg Close $36.37 Range $27.19 - $46.14
Q4 2017
Shares 310,000 Value ($000) $11,622 Avg Close $50.91 Range $34.85 - $64.96
Q3 2017
Shares 309,500 Value ($000) $20,046 Avg Close $61.26 Range $52.91 - $70.00
Q2 2017
Shares 309,500 Value ($000) $16,750 Avg Close $53.29 Range $48.23 - $59.10
Q1 2017
Shares 309,500 Value ($000) $17,267 Avg Close $52.54 Range $45.13 - $63.14
Q4 2016
Shares 309,500 Value ($000) $15,224 Avg Close $55.18 Range $40.58 - $68.18
Q3 2016
Shares 308,000 Value ($000) $18,471 Avg Close $53.65 Range $35.04 - $64.50
Q2 2016
Shares 308,000 Value ($000) $10,768 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 308,000 Value ($000) $12,677 Avg Close $39.14 Range $28.20 - $67.32
Q4 2015
Shares 248,000 Value ($000) $16,891 Avg Close $60.32 Range $40.47 - $76.42
Q3 2015
Shares 248,000 Value ($000) $11,244 Avg Close $58.24 Range $42.20 - $70.52
Q2 2015
Shares 250,000 Value ($000) $13,168 Avg Close $39.47 Range $30.14 - $55.97
Q1 2015
Shares 237,500 Value ($000) $9,058 Avg Close $25.65 Range $18.76 - $45.00
Q4 2014
Shares 202,500 Value ($000) $4,204 Avg Close $20.87 Range $17.00 - $24.67
Q3 2014
Shares 202,500 Value ($000) $4,487 Avg Close $21.20 Range $16.71 - $24.31
Q2 2014
Shares 150,000 Value ($000) $3,383 Avg Close $25.01 Range $18.52 - $41.33
Q1 2014
Shares 65,000 Value ($000) $2,490 Avg Close $32.24 Range $24.42 - $49.24