Prothena shares owned by Birchview Capital
Historical chart of Birchview Capital investment in Prothena
Tip: Access up to 7 years of quarterly data
All positions including Prothena held by Birchview Capital consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by Birchview Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-09-30 | $8.2M | 170k | 48.25 |
| 2023-06-30 | $11M | 156k | 68.28 |
| 2023-03-31 | $6.2M | 128k | 48.47 |
| 2022-12-31 | $7.7M | 127k | 60.25 |
| 2022-09-30 | $7.2M | 119k | 60.63 |
| 2022-06-30 | $2.8M | 103k | 27.15 |
| 2022-03-31 | $1.5M | 42k | 36.57 |
| 2021-12-31 | $2.0M | 40k | 49.40 |
| 2021-09-30 | $2.9M | 40k | 71.24 |
| 2021-06-30 | $1.6M | 30k | 51.41 |
| 2017-09-30 | $235k | 3.6k | 64.70 |