Prothena shares owned by D. E. Shaw & Co
Historical chart of D. E. Shaw & Co investment in Prothena
Tip: Access up to 7 years of quarterly data
All positions including Prothena held by D. E. Shaw & Co consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by D. E. Shaw & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $13M | 1.3M | 9.76 |
| 2025-06-30 | $2.4M | 392k | 6.07 |
| 2025-03-31 | $220k | 18k | 12.38 |
| 2024-06-30 | $229k | 11k | 20.64 |
| 2023-03-31 | $277k | 5.7k | 48.47 |
| 2022-12-31 | $1.6M | 27k | 60.25 |
| 2022-09-30 | $6.4M | 105k | 60.63 |
| 2022-06-30 | $2.0M | 75k | 27.14 |
| 2022-03-31 | $3.7M | 101k | 36.57 |
| 2021-12-31 | $6.2M | 126k | 49.40 |
| 2021-09-30 | $4.7M | 65k | 71.22 |
| 2021-06-30 | $1.0M | 20k | 51.39 |
| 2021-03-31 | $1.5M | 59k | 25.13 |
| 2020-12-31 | $2.6M | 214k | 12.01 |
| 2020-09-30 | $2.9M | 295k | 9.99 |
| 2020-06-30 | $3.7M | 349k | 10.46 |
| 2020-03-31 | $3.6M | 338k | 10.70 |
| 2019-12-31 | $5.5M | 345k | 15.83 |
| 2019-09-30 | $2.8M | 354k | 7.84 |
| 2019-06-30 | $4.5M | 428k | 10.57 |
| 2019-03-31 | $6.3M | 519k | 12.13 |
| 2018-12-31 | $1.1M | 105k | 10.28 |
| 2018-09-30 | $547k | 42k | 13.09 |
| 2018-06-30 | $825k | 57k | 14.58 |
| 2018-03-31 | $2.3M | 63k | 36.70 |
| 2017-12-31 | $221k | 5.9k | 37.46 |
| 2017-09-30 | $456k | 7.0k | 64.75 |
| 2017-06-30 | $424k | 7.8k | 54.09 |
| 2015-12-31 | $3.9M | 57k | 68.11 |
| 2015-09-30 | $2.2M | 49k | 45.32 |
| 2015-06-30 | $862k | 16k | 52.66 |
| 2015-03-31 | $1.7M | 45k | 38.14 |
| 2014-12-31 | $1.3M | 64k | 20.76 |
| 2014-06-30 | $2.1M | 91k | 22.55 |