Baker Bros. Advisors LP
- SEC CIK
- 0001263508
- Latest filing
- Aug 14, 2026
ATRA holding history
Atara Biotherapeutics, Inc. in every 13F filed by Baker Bros. Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ATRA overviewAll 13F holders of ATRAFull Q2 2026 holdings
- Shares (Q2 2023)
- 0
- Sold out in Q2 2023
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 4
- Since Q2 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2023 | 0 | $0 | 0.0% | −744,186−100.0% | Sold out | Holders |
| Q1 2023 | 744,186 | $2.16M | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2022 | 744,186 | $2.44M | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2022 | 744,186 | $2.81M | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2022 | 744,186 | $5.80M | <0.1% | +744,186 | New | Holders |