Seres Therapeutics, Inc. (MCRB) vs Rockwell Medical, Inc. (RMTI)
A side-by-side comparison of Seres Therapeutics, Inc. and Rockwell Medical, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.
MCRB
Seres Therapeutics, Inc.
$2.90HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT
RMTI
Rockwell Medical, Inc.
$7.65HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT
Total return — MCRB vs RMTI
growth of $100 · dividends reinvested · last 10yMCRB -98.8% (-35.7%/yr)RMTI -98.9% (-36.3%/yr)MCRB compounded faster over this window
MCRB RMTI
MCRB vs RMTI: by the numbers
- •RMTI is the larger company ($30M vs $28M market cap).
- •Both run net losses; RMTI's is the smaller (-7.33% vs -1192.94% net margin).
- •RMTI grew revenue faster over the past five years (2.59% vs -42.51% CAGR).
Metrics side by side
Valuation
| Metric | MCRB | RMTI |
|---|---|---|
| P/S ratio | 14.91 | 0.44 |
| P/B ratio | 0.81 | 0.86 |
| FCF yield | N/A | 5.10% |
Profitability
| Metric | MCRB | RMTI |
|---|---|---|
| Gross margin | -423.83% | 17.71% |
| Operating margin | -11910.14% | -6.52% |
| Net margin | -1192.94% | -7.33% |
| ROE | -65.05% | -14.49% |
| ROIC | -103.04% | -9.60% |
Growth (annualized)
| Metric | MCRB | RMTI |
|---|---|---|
| Revenue CAGR (5Y) | -42.51% | 2.59% |
| Total return CAGR (5Y) | -53.37% | -33.38% |
Frequently asked
- Which has grown faster, MCRB or RMTI?
- Over the past five years, RMTI grew revenue faster — MCRB at a -42.51% CAGR versus RMTI at 2.59%.
- How have MCRB and RMTI total returns compared?
- Over the past 10 years, MCRB delivered -35.85% and RMTI delivered -36.28% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Seres Therapeutics ROERockwell Medical ROESeres Therapeutics operating marginRockwell Medical operating marginSeres Therapeutics revenue growthRockwell Medical revenue growthSeres Therapeutics free cash flowRockwell Medical free cash flow
Seres Therapeutics & Rockwell Medical appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.