Atara Biotherapeutics, Inc. · NASDAQ:ATRA
Adage Capital Management, L.P. reported a 8.56% stake in Atara Biotherapeutics, Inc. (Schedule 13G)
Event Mar 31, 2026 · Filed May 13, 2026
Adage Capital Management, L.P. reported a 8.56% stake in Atara Biotherapeutics, Inc., 700,000 shares, as a passive investor on Mar 31, 2026. Filed May 13, 2026 (Schedule 13G).
- Stake
- 8.56%
- Shares
- 700,000
- Intent
- Passive
- What changed
- Crossed above 5%
- Filed together
- 3 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Adage Capital Management, L.P. | 8.56% | 700,000 |
| Robert Atchinson | 8.56% | 700,000 |
| Phillip Gross | 8.56% | 700,000 |
Source
Related
- Atara Biotherapeutics, Inc.
- Adage Capital Management, L.P.
- Atara Biotherapeutics, Inc. shareholders
- 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
- Schedule 13D/A · Redmile Group, LLC · Jul 24, 2026