Prothena shares owned by Group One Trading
Historical chart of Group One Trading investment in Prothena
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All positions including Prothena held by Group One Trading consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Prothena by Group One Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $68k | 6.9k | 9.76 |
| 2025-06-30 | $196k | 32k | 6.07 |
| 2024-12-31 | $67k | 4.8k | 13.85 |
| 2024-09-30 | $124k | 7.4k | 16.73 |
| 2024-06-30 | $129k | 6.2k | 20.64 |
| 2024-03-31 | $57k | 2.3k | 24.77 |
| 2022-09-30 | $231k | 3.8k | 60.58 |
| 2022-03-31 | $38k | 1.0k | 36.93 |
| 2021-12-31 | $207k | 4.2k | 49.43 |
| 2021-09-30 | $138k | 1.9k | 71.24 |
| 2021-03-31 | $190k | 7.6k | 25.17 |
| 2020-12-31 | $149k | 12k | 11.97 |
| 2020-09-30 | $102k | 10k | 9.97 |
| 2020-06-30 | $89k | 8.5k | 10.42 |
| 2020-03-31 | $202k | 19k | 10.71 |
| 2019-12-31 | $436k | 28k | 15.82 |
| 2019-09-30 | $48k | 6.2k | 7.76 |
| 2019-06-30 | $140k | 13k | 10.54 |
| 2019-03-31 | $69k | 5.7k | 12.05 |
| 2018-12-31 | $395k | 38k | 10.29 |
| 2018-09-30 | $478k | 37k | 13.08 |
| 2018-06-30 | $703k | 48k | 14.58 |
| 2018-03-31 | $630k | 17k | 36.72 |
| 2017-12-31 | $123k | 3.3k | 37.42 |
| 2016-12-31 | $96k | 2.0k | 49.23 |
| 2016-09-30 | $1.9M | 32k | 59.96 |
| 2016-06-30 | $314k | 9.0k | 34.92 |
| 2016-03-31 | $139k | 3.4k | 41.21 |
| 2015-12-31 | $1.9M | 28k | 68.10 |
| 2015-09-30 | $1.7M | 38k | 45.34 |
| 2015-06-30 | $1.8M | 34k | 52.67 |
| 2015-03-31 | $657k | 17k | 38.14 |
| 2014-12-31 | $180k | 8.7k | 20.76 |
| 2014-09-30 | $431k | 19k | 22.19 |
| 2014-06-30 | $538k | 24k | 22.55 |
| 2014-03-31 | $699k | 18k | 38.29 |
| 2013-09-30 | $19k | 928 | 20.47 |
| 2013-06-30 | $53k | 4.1k | 13.01 |