Prothena shares owned by EcoR1 Capital
Historical chart of EcoR1 Capital investment in Prothena
Tip: Access up to 7 years of quarterly data
All positions including Prothena held by EcoR1 Capital consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by EcoR1 Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-06-30 | $239M | 12M | 20.64 |
| 2024-03-31 | $287M | 12M | 24.77 |
| 2023-12-31 | $421M | 12M | 36.34 |
| 2023-09-30 | $559M | 12M | 48.25 |
| 2023-06-30 | $791M | 12M | 68.28 |
| 2023-03-31 | $562M | 12M | 48.47 |
| 2022-12-31 | $698M | 12M | 60.25 |
| 2022-09-30 | $702M | 12M | 60.63 |
| 2022-06-30 | $315M | 12M | 27.15 |
| 2022-03-31 | $424M | 12M | 36.57 |
| 2021-12-31 | $557M | 11M | 49.40 |
| 2021-09-30 | $804M | 11M | 71.23 |
| 2021-06-30 | $580M | 11M | 51.41 |
| 2021-03-31 | $284M | 11M | 25.12 |
| 2020-12-31 | $113M | 9.4M | 12.01 |
| 2020-09-30 | $94M | 9.4M | 9.99 |
| 2020-06-30 | $99M | 9.4M | 10.46 |
| 2020-03-31 | $101M | 9.4M | 10.70 |
| 2019-12-31 | $149M | 9.4M | 15.83 |
| 2019-09-30 | $74M | 9.4M | 7.84 |
| 2019-06-30 | $7.6M | 723k | 10.57 |
| 2019-03-31 | $8.8M | 727k | 12.13 |
| 2018-12-31 | $8.6M | 838k | 10.30 |