Atara Biotherapeutics shares owned by EcoR1 Capital
Quarter-by-quarter ownership of Atara Biotherapeutics (ATRA) shares owned by EcoR1 Capital
from 13F filings
Historical chart of EcoR1 Capital investment in Atara Biotherapeutics
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Quarterly reported holdings in Atara Biotherapeutics by EcoR1 Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $8.2M | 573k | 14.33 |
| 2025-06-30 | $4.4M | 573k | 7.72 |
| 2025-03-31 | $3.4M | 573k | 5.94 |
| 2024-12-31 | $7.1M | 532k | 13.31 |
| 2024-09-30 | $3.8M | 469k | 8.13 |
| 2024-06-30 | $3.5M | 407k | 8.50 |