Prothena shares owned by Perceptive Advisors
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Perceptive Advisors
from 13F filings
Historical chart of Perceptive Advisors investment in Prothena
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Quarterly reported holdings in Prothena by Perceptive Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-09-30 | $8.0M | 166k | 48.25 |
| 2023-06-30 | $13M | 185k | 68.28 |
| 2023-03-31 | $12M | 238k | 48.47 |
| 2022-12-31 | $14M | 238k | 60.25 |
| 2022-09-30 | $14M | 230k | 60.63 |
| 2022-03-31 | $2.4M | 65k | 36.57 |
| 2021-12-31 | $4.9M | 100k | 49.40 |
| 2021-09-30 | $7.1M | 100k | 71.23 |
| 2021-06-30 | $5.1M | 100k | 51.41 |
| 2014-12-31 | $5.1M | 247k | 20.76 |
| 2014-09-30 | $6.6M | 300k | 22.16 |
| 2014-06-30 | $11M | 483k | 22.55 |
| 2014-03-31 | $13M | 350k | 38.31 |