Prothena shares owned by Sectoral Asset Management
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Sectoral Asset Management
from 13F filings
Historical chart of Sectoral Asset Management investment in Prothena
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All positions including Prothena held by Sectoral Asset Management consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by Sectoral Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-09-30 | $8.3M | 172k | 48.25 |
| 2023-06-30 | $10M | 152k | 68.28 |
| 2023-03-31 | $5.9M | 123k | 48.47 |
| 2022-12-31 | $6.9M | 115k | 60.25 |
| 2017-12-31 | $6.9M | 184k | 37.49 |
| 2017-09-30 | $13M | 196k | 64.77 |
| 2017-06-30 | $8.2M | 151k | 54.12 |
| 2017-03-31 | $7.9M | 141k | 55.79 |
| 2016-12-31 | $6.1M | 124k | 49.19 |
| 2016-09-30 | $7.4M | 124k | 59.97 |
| 2016-06-30 | $6.1M | 175k | 34.96 |
| 2016-03-31 | $16M | 398k | 41.16 |