BioStem Technologies, Inc. (BSEM) vs Nephros, Inc. (NEPH)
A side-by-side comparison of BioStem Technologies, Inc. and Nephros, 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.
BSEM
BioStem Technologies, Inc.
$2.47HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT
NEPH
Nephros, Inc.
$3.02HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT
Total return — BSEM vs NEPH
growth of $100 · dividends reinvested · last 10yBSEM -72.4% (-12.1%/yr)NEPH +6.6% (+0.6%/yr)NEPH compounded faster over this window
BSEM NEPH
BSEM vs NEPH: by the numbers
- •BSEM is the larger company ($42M vs $33M market cap).
- •NEPH is profitable (8.38% net margin) while BSEM runs a net loss (-13.86%).
Metrics side by side
Valuation
| Metric | BSEM | NEPH |
|---|---|---|
| P/E ratio | N/A | 19.03 |
| Forward P/E | N/A | 19.28 |
| P/S ratio | N/A | 1.58 |
| P/B ratio | 1.52 | 2.74 |
| EV / EBITDA | N/A | 16.41 |
Profitability
| Metric | BSEM | NEPH |
|---|---|---|
| Gross margin | 93.13% | 60.31% |
| Operating margin | -1.45% | 7.92% |
| Net margin | -13.86% | 8.38% |
| ROE | -102.45% | 14.51% |
| ROIC | -80.92% | 12.67% |
Growth (annualized)
| Metric | BSEM | NEPH |
|---|---|---|
| Revenue CAGR (5Y) | N/A | 16.99% |
| Total return CAGR (5Y) | 15.72% | -15.93% |
Frequently asked
- Is BSEM or NEPH more profitable?
- NEPH runs the higher net margin — BSEM at -13.86% versus NEPH at 8.38%.
- How have BSEM and NEPH total returns compared?
- Over the past 10 years, BSEM delivered -12.08% and NEPH delivered 1.80% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Nephros P/E ratioBioStem Technologies ROENephros ROEBioStem Technologies operating marginNephros operating marginBioStem Technologies revenue growthNephros revenue growthBioStem Technologies free cash flowNephros free cash flow
BioStem Technologies & Nephros 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.