
Atara Biotherapeutics (ATRA) Market Capitalization Overview
Market Cap: $128.13M as of Jan 2, 2026
$128.13M
$37.64M (41.59%)past month
As of Jan 2, 2026, Atara Biotherapeutics (ATRA) has a market capitalization of $128.13M. Over the past 30 days, its market cap has increased by 31.24%, while in the last 12 months, it has decreased by -1.77%.
Market capitalization represents the total value of Atara Biotherapeutics as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
Atara Biotherapeutics (ATRA) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of Atara Biotherapeutics (ATRA) helps investors assess the company's size and compare it with competitors for better investment decisions.
Market capitalization represents the total value of Atara Biotherapeutics as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.
Atara Biotherapeutics (ATRA) Market Cap Formula = Stock Price * Shares Outstanding
The market cap of Atara Biotherapeutics (ATRA) helps investors assess the company's size and compare it with competitors for better investment decisions.
Atara Biotherapeutics (ATRA) Market Cap & Key Trends
See Atara Biotherapeutics’s latest market capitalization, historical trends, and financial insights with AI-powered fundamental data and custom analysis.
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Atara Biotherapeutics (ATRA) Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| Dec 1, 2025 | $97.63M | +0.37% |
| Nov 3, 2025 | $97.27M | -4.15% |
| Oct 1, 2025 | $101.49M | +17.10% |
| Sep 2, 2025 | $86.67M | +10.42% |
| Aug 1, 2025 | $78.49M | +48.08% |
| Jul 1, 2025 | $53.01M | -2.50% |
| Jun 2, 2025 | $54.37M | +20.63% |
| May 1, 2025 | $45.07M | +27.99% |
| Apr 1, 2025 | $35.22M | -12.66% |
| Mar 3, 2025 | $40.32M | -17.84% |
| Feb 3, 2025 | $49.08M | -39.83% |
| Jan 2, 2025 | $81.56M | +7.76% |
Atara Biotherapeutics (ATRA) End of Year Market Cap History
| Date | Market Cap | Change |
|---|---|---|
| 2026 | $128.13M | -1.77% |
| 2025 | $130.44M | +70.14% |
| 2024 | $76.67M | +46.68% |
| 2023 | $52.27M | -99.33% |
| 2022 | $7.79B | -78.46% |
| 2021 | $36.12B | — |
FAQs About Atara Biotherapeutics (ATRA) Market Cap
As of Jan 2, 2026, the market capitalization of Atara Biotherapeutics (ATRA) is $128.13M. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.
In the last 30 days, Atara Biotherapeutics’s market capitalization has increased by 41.59%, changing from $90.49M to $128.13M as of Jan 2, 2026.
In the last 3 months, Atara Biotherapeutics’s market capitalization has increased by —, changing from – to – as of –.
In the year 2025, Atara Biotherapeutics’s market capitalization increased from $76.67M in January to $130.44M in December, reflecting a 70.14% change.
In the past five years, Atara Biotherapeutics (ATRA) has had a compound annual growth rate (CAGR) of -67.53% in market capitalization. This means its market cap has shrunk at an average rate of -67.53% per year.