ATARA BIOTHERAPEUTICS, INC. (ATRA) Shares outstanding analysis
- Shares outstanding · latest quarter: Value 10.04M; Formula and calculation Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage..
- Shares outstanding · 1 year ago: Value (m); Formula and calculation Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage..
- Shares outstanding · 5 years ago: Value (m); Formula and calculation Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage..
- Shares change · vs previous quarter: Value (m); Formula and calculation Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage..
Shares outstanding analysis
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| Shares outstanding · latest quarter | 10.04M | Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage. |
| Shares outstanding · 1 year ago | (m) | Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage. |
| Shares outstanding · 5 years ago | (m) | Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage. |
| Shares change · vs previous quarter | (m) | Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage. Calculation unavailable: missing inputs remain (m). |
| Shares count change · vs previous quarter | (m) | Own reported common class count; original count date 2026-07-31. Comparisons require matching class and complete dated split coverage. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Current quarter shares | 10.04M shares | |
| Previous quarter shares | (m) |
Shares means common shares outstanding, adjusted to the same split basis for comparison. It is a count, not USD or convertible securities; B means billion shares.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Current quarter shares (shares) | Shares count change · vs previous quarter | Shares change (%) · vs previous quarter |
|---|---|---|---|
| 2026-06-30 | 10.04M | (m) | (m) |
| 2026-03-31 | 9.01M | (m) | (m) |
| 2025-12-31 | 8.18M | (m) | (m) |
| 2025-09-30 | 7.21M | (m) | (m) |
| 2025-06-30 | 7.02M | (m) | (m) |
| 2025-03-31 | 5.96M | (m) | (m) |
| 2024-12-31 | 5.86M | (m) | (m) |
| 2024-09-30 | 5.76M | (m) | (m) |
| 2024-06-30 | 4.92M | (m) | (m) |
| 2024-03-31 | 120.42M | (m) | (m) |
| 2023-09-30 | 101.92M | (m) | (m) |
| 2023-06-30 | 101.10M | (m) | (m) |
| 2023-03-31 | 97.97M | (m) | (m) |
| 2022-12-31 | 95.93M | (m) | (m) |
| 2022-09-30 | 94.88M | (m) | (m) |
| 2022-06-30 | 94.36M | (m) | (m) |
| 2022-03-31 | 93.41M | (m) | (m) |
| 2021-12-31 | 93.10M | (m) | (m) |
| 2021-09-30 | 88.42M | (m) | (m) |
| 2021-06-30 | 84.76M | (m) | (m) |
| 2021-03-31 | 84.08M | (m) | (m) |
| 2020-12-31 | 83.61M | (m) | (m) |
| 2020-09-30 | 77.71M | (m) | (m) |
| 2020-06-30 | 74.31M | (m) | (m) |
| 2020-03-31 | 58.95M | (m) | (m) |
| 2019-09-30 | 54.15M | (m) | (m) |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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