Atara Biotherapeutics (ATRA) Shares Outstanding (Weighted Average) (2013 - 2026)

Atara Biotherapeutics has reported Shares Outstanding (Weighted Average) for 14 years, with the latest figure at $14.1 million in Q1 2026.

• For the quarter ending Q1 2026, Shares Outstanding (Weighted Average) rose 30.82% year-over-year to $14.1 million; the trailing twelve-month figure through Mar 2026 stood at $14.1 million (up 30.82% YoY), and the FY2025 full-year result was $12.5 million, up 67.52% from the prior year.
• Shares Outstanding (Weighted Average) for Q1 2026 stood at $14.1 million, up from $12.5 million in the prior quarter.
• The five-year high for Shares Outstanding (Weighted Average) was $104.0 million in Q1 2023, with the low at $1.4 million in Q3 2023.
• Historically, Shares Outstanding (Weighted Average) has averaged $24.3 million across 5 years, with a median of $7.5 million in 2024.
• Annual changes were most pronounced in 2022 — Shares Outstanding (Weighted Average) tumbled 96.84% — and 2023, when it jumped 3499.38%.
• Atara Biotherapeutics' Shares Outstanding (Weighted Average) stood at $102.0 million in 2022, then sank by 95.85% to $4.2 million in 2023, then soared by 76.77% to $7.5 million in 2024, then surged by 67.52% to $12.5 million in 2025, then rose by 12.25% to $14.1 million in 2026.
• The last three Shares Outstanding (Weighted Average) figures came in at $14.1 million (Q1 2026), $12.5 million (Q4 2025), and $13.6 million (Q3 2025), per Business Quant data.