Atara Biotherapeutics (ATRA) vs Black Diamond Therapeutics (BDTX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Atara Biotherapeutics (ATRA) has outperformed Black Diamond Therapeutics (BDTX) over the past year, losing 40.1% versus a loss of 53.2%. Over five years, BDTX leads with a -77.6% price change compared with -97.5% for ATRA. Black Diamond Therapeutics is the larger company by market cap ($102.6 million vs $90.2 million), about 1.1 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ATRA | BDTX |
|---|---|---|
| Share price | $8.99 | $1.79 |
| Market cap | $90.24M | $102.57M |
| 1-day change | -4.06% | -2.19% |
| YTD return | -48.20% | -24.69% |
| 1-year return | -40.05% | -53.20% |
| 5-year return | -97.52% | -77.63% |
| Forward P/E | 5.82 | — |
| EPS (TTM) | $-1.30 | $-0.75 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $19.15 | $4.94 |
| 52-week low | $3.92 | $1.60 |
| Distance from 52-week high | -53.04% | -63.77% |
| Average volume | 54.11K | 623.96K |
| Shares outstanding | 10.04M | 57.30M |
| Sector | Health Care | Health Care |
| Industry | Biotechnology: Biological Products (No Diagnostic Substances) | Biotechnology: Biological Products (No Diagnostic Substances) |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- ATRA has outperformed BDTX by 13.1 percentage points over the past year.
ATRA vs BDTX FAQ
Which is bigger, Atara Biotherapeutics or Black Diamond Therapeutics?
Black Diamond Therapeutics (BDTX) is larger, with a market capitalization of $102.57M compared with $90.24M for Atara Biotherapeutics (ATRA).
Which stock has performed better over the past year, ATRA or BDTX?
ATRA returned -40.05% over the past 12 months, compared with -53.20% for BDTX (price return, excluding dividends). Past performance does not predict future results.
Are Atara Biotherapeutics and Black Diamond Therapeutics in the same industry?
Yes. Both are classified in the Biotechnology: Biological Products (No Diagnostic Substances) industry within the Health Care sector.