Hedge Fund - EcoR1 Capital

Prothena Corp Public Ltd Co (PRTA) 

Holding History Records
No. Filing Period Value % of Portfolio Number of Shares Avg. Quarterly Share Price
1 2025 - Q1 (2025-03-31) $143,355,465 8.5% 11,584,280 $14.14
2 2024 - Q4 (2024-12-31) $160,442,278 6.06% 11,584,280 $15.77
3 2024 - Q3 (2024-09-30) $193,805,004 6.63% 11,584,280 $21.50
4 2024 - Q2 (2024-06-30) $239,099,539 7.31% 11,584,280 $21.64
5 2024 - Q1 (2024-03-31) $286,942,616 7.25% 11,584,280 $29.75
6 2023 - Q4 (2023-12-31) $420,972,735 10.92% 11,584,280 $38.49
7 2023 - Q3 (2023-09-30) $558,941,510 18.85% 11,584,280 $59.41
8 2023 - Q2 (2023-06-30) $790,974,638 19.37% 11,584,280 $64.50
9 2023 - Q1 (2023-03-31) $561,490,052 18.08% 11,584,280 $52.83
10 2022 - Q4 (2022-12-31) $697,952,870 21.24% 11,584,280 $58.56
11 2022 - Q3 (2022-09-30) $702,355,000 20.72% 11,584,280 $31.61
12 2022 - Q2 (2022-06-30) $314,513,000 10.85% 11,584,280 $29.25
13 2022 - Q1 (2022-03-31) $423,637,000 13.25% 11,584,280 $36.05
14 2021 - Q4 (2021-12-31) $557,443,000 17.76% 11,284,280 $55.45
15 2021 - Q3 (2021-09-30) $803,779,000 27.96% 11,284,280 $62.11
16 2021 - Q2 (2021-06-30) $580,125,000 21.68% 11,284,280 $31.20
17 2021 - Q1 (2021-03-31) $277,181,000 12.29% 11,034,280 $18.81
18 2020 - Q4 (2020-12-31) $113,214,000 6.08% 9,426,640 $11.83
19 2020 - Q3 (2020-09-30) $94,172,000 6.74% 9,426,640 $12.03
20 2020 - Q2 (2020-06-30) $98,603,000 7.28% 9,426,640 $11.11
21 2020 - Q1 (2020-03-31) $100,865,000 10.53% 9,426,640 $12.11
22 2019 - Q4 (2019-12-31) $149,224,000 13.45% 9,426,640 $10.72
23 2019 - Q3 (2019-09-30) $73,905,000 9.33% 9,426,640 $8.88
24 2019 - Q2 (2019-06-30) $7,645,000 0.77% 723,300 $10.27
25 2019 - Q1 (2019-03-31) $8,813,000 0.81% 726,519 $12.49
26 2018 - Q4 (2018-12-31) $8,634,000 0.86% 838,219 $11.89

The displayed share prices are average quarterly stock market prices.