Atara Biotherapeutics shares owned by Simplex Trading
Quarter-by-quarter ownership of Atara Biotherapeutics (ATRA) shares owned by Simplex Trading
from 13F filings
Historical chart of Simplex Trading investment in Atara Biotherapeutics
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Quarterly reported holdings in Atara Biotherapeutics by Simplex Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $3.0k | 6.4k | 0.47 |
| 2023-09-30 | $140k | 95k | 1.47 |
| 2023-06-30 | $72k | 45k | 1.59 |
| 2023-03-31 | $38k | 13k | 2.89 |
| 2022-12-31 | $3.0k | 1.1k | 2.83 |
| 2022-09-30 | $5.0k | 1.4k | 3.70 |
| 2022-06-30 | $57k | 7.3k | 7.79 |
| 2022-03-31 | $239k | 26k | 9.27 |
| 2021-12-31 | $12k | 775 | 15.48 |
| 2021-09-30 | $12k | 775 | 15.48 |
| 2021-06-30 | $10k | 675 | 14.81 |
| 2021-03-31 | $4 | 318 | 0.01 |
| 2020-09-30 | $34 | 2.7k | 0.01 |
| 2020-03-31 | $18 | 2.3k | 0.01 |
| 2019-12-31 | $139 | 8.5k | 0.02 |
| 2019-09-30 | $45 | 3.3k | 0.01 |
| 2019-06-30 | $112 | 5.6k | 0.02 |
| 2019-03-31 | $22 | 585 | 0.04 |
| 2018-12-31 | $96 | 2.8k | 0.03 |
| 2018-06-30 | $165 | 4.5k | 0.04 |
| 2017-09-30 | $5.0k | 324 | 15.43 |
| 2016-06-30 | $32k | 1.4k | 22.28 |
| 2016-03-31 | $12k | 646 | 18.58 |
| 2015-09-30 | $43k | 1.4k | 31.05 |
| 2015-06-30 | $47k | 903 | 52.05 |