Biodesix (BDSX) vs Sera Prognostics (SERA)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Biodesix (BDSX) has outperformed Sera Prognostics (SERA) over the past year, gaining 230.7% versus a loss of 35.9%. Over five years, SERA leads with a -81.4% price change compared with -82.9% for BDSX. Biodesix is the larger company by market cap ($270.4 million vs $79.7 million), about 3.4 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 | BDSX | SERA |
|---|---|---|
| Share price | $25.63 | $2.02 |
| Market cap | $270.43M | $79.69M |
| 1-day change | -2.99% | -2.42% |
| YTD return | +276.91% | -31.53% |
| 1-year return | +230.71% | -35.87% |
| 5-year return | -82.91% | -81.38% |
| EPS (TTM) | $-3.10 | $-0.67 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $31.97 | $3.95 |
| 52-week low | $5.26 | $1.56 |
| Distance from 52-week high | -19.83% | -48.86% |
| Analyst consensus | strong_buy | — |
| Avg. price target upside | +45.65% | — |
| Average volume | 100.74K | 28.38K |
| Shares outstanding | 10.55M | 38.48M |
| Employees | 334 | — |
| Sector | Health Care | Health Care |
| Industry | Medical Specialities | Medical Specialities |
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
- Biodesix is about 3.4 times larger than Sera Prognostics by market value ($270.43M vs $79.69M).
- BDSX has outperformed SERA by 266.6 percentage points over the past year.
About Biodesix
BDSX stock →Biodesix, Inc. operates as a diagnostic solutions company.
Health Care · Medical Specialities · 334 employees
BDSX vs SERA FAQ
Which is bigger, Biodesix or Sera Prognostics?
Biodesix (BDSX) is larger, with a market capitalization of $270.43M compared with $79.69M for Sera Prognostics (SERA).
Which stock has performed better over the past year, BDSX or SERA?
BDSX returned +230.71% over the past 12 months, compared with -35.87% for SERA (price return, excluding dividends). Past performance does not predict future results.
Are Biodesix and Sera Prognostics in the same industry?
Yes. Both are classified in the Medical Specialities industry within the Health Care sector.