Atara Biotherapeutics market cap ATRA
Share price times shares outstanding: what the whole company sells for, since 2014.
- Today, Oct 23, 2026
- $86.2M
- Highest close in our data
- $2.2B
- May 2018
Atara Biotherapeutics is worth $86.2M at the close on Oct 23, 2026, at $8.59 a share.
That is down 15% over the last year and down 93% over five years.
Its highest close in our data was $2.2B in May 2018.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $86.2M | $30.1M | $128.1M | −31% |
| 2025 | $124.5M | $32.4M | $129.8M | +78% |
| 2024 | $70M | $34.5M | $124.3M | +34% |
| 2023 | $52.3M | $23.4M | $500M | −83% |
| 2022 | $311.2M | $283M | $1.4B | −78% |
| 2021 | $1.4B | $1.1B | $1.6B | −9% |
| 2020 | $1.5B | $441M | $1.9B | +71% |
| 2019 | $894M | $596.1M | $1.8B | −43% |
| 2018 | $1.6B | $566M | $2.2B | +183% |
| 2017 | $553.8M | $371.1M | $610.9M | +35% |
| 2016 | $409.8M | $391.8M | $714.9M | −46% |
| 2015 | $756.1M | $363.8M | $1.5B | +35% |
| 2014 | $560.1M | $468.3M | $616.1M | n/a |
Against its peers
Companies in Healthcare nearest Atara Biotherapeutics' size, closest first, today.
| Company | Market cap |
|---|---|
| ATRAAtara Biotherapeutics | $86.2M |
| ICCCImmucell | $93.1M |
| KEQUKewaunee Scientific | $94.9M |
| LFVNLifevantage | $73.4M |
| SPROSpero Therapeutics | $64.6M |
| APTAlpha Pro Tech | $56.7M |
| ATNMActinium Pharmaceuticals | $47.8M |
| NEPHNephros | $38.3M |
| PDEXPro DEX | $199.3M |
| PLXProtalix BioTherapeutics | $205.5M |
| NATRNatures Sunshine Products | $213.8M |
| Peer median | $83.3M |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Atara Biotherapeutics
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.