Atara Biotherapeutics, Inc. · NASDAQ:ATRA
Redmile Group, LLC reported a 9.90% stake in Atara Biotherapeutics, Inc. (Schedule 13D/A)
Event Nov 12, 2025 · Filed Nov 14, 2025
Redmile Group, LLC reported a 9.90% stake in Atara Biotherapeutics, Inc., 751,223 shares, with active intent on Nov 12, 2025. Filed Nov 14, 2025 (Schedule 13D/A).
- Stake
- 9.90%
- Shares
- 751,223
- Intent
- Active
- What changed
- Stake changed
- Filed together
- 5 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Redmile Group, LLC | 9.90% | 751,223 |
| Jeremy C. Green | 9.90% | 751,223 |
| RedCo I, L.P. | 4.70% | 347,442 |
| Redmile Biopharma Investments II, L.P. | 6.00% | 452,153 |
| Redmile Strategic Long Only Trading Sub, Ltd. | 5.00% | 376,377 |
Source
Related
- Atara Biotherapeutics, Inc.
- Redmile Group, LLC
- Atara Biotherapeutics, Inc. shareholders
- Schedule 13D/A · Redmile Group, LLC · Jul 24, 2026
- Schedule 13D/A · Redmile Group, LLC · May 14, 2026
- Schedule 13D · Redmile Group, LLC · May 23, 2025
- Schedule 13G/A · Redmile Group, LLC · May 15, 2025
- Form 4 · Cherry Brian N · Sep 4, 2026
- Form 4 · Nguyen AnhCo · Aug 26, 2026
- Schedule 13G/A · Point72 Asset Management, L.P. · Aug 14, 2026
- Form 4 · Redmile Group, LLC · Jul 24, 2026
- Form 4 · Cherry Brian N · Jun 15, 2026