Quantum-Si incorporated (QSI) vs SIGA Technologies, Inc. (SIGA)
A side-by-side comparison of Quantum-Si incorporated and SIGA Technologies, 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.
QSI
Quantum-Si incorporated
$1.22HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT
SIGA
SIGA Technologies, Inc.
$3.29HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT
Total return — QSI vs SIGA
growth of $100 · dividends reinvested · last 6yQSI -87.0% (-28.9%/yr)SIGA -26.7% (-5.1%/yr)SIGA compounded faster over this window
Log scale — wide-divergence pair
QSI SIGA
QSI vs SIGA: by the numbers
- •QSI is the larger company ($241M vs $236M market cap).
- •Both run net losses; SIGA's is the smaller (-5.14% vs -6138.26% net margin).
- •SIGA pays a dividend (18.05% yield), while QSI has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | QSI | SIGA |
|---|---|---|
| Forward P/E | N/A | 1.94 |
| P/S ratio | 150.37 | 4.40 |
| P/B ratio | 1.34 | 1.43 |
Profitability
| Metric | QSI | SIGA |
|---|---|---|
| Gross margin | 47.33% | 68.57% |
| Operating margin | -3996.72% | 25.05% |
| Net margin | -6138.26% | -5.14% |
| ROE | -54.67% | -1.67% |
| ROIC | -51.87% | -6.63% |
Dividends
| Metric | QSI | SIGA |
|---|---|---|
| Dividend yield | N/A | 18.05% |
Growth (annualized)
| Metric | QSI | SIGA |
|---|---|---|
| Revenue CAGR (5Y) | N/A | -10.88% |
| EPS CAGR (5Y) | N/A | -14.21% |
| Total return CAGR (5Y) | -31.06% | -6.59% |
Frequently asked
- Does QSI or SIGA pay a bigger dividend?
- SIGA pays a dividend (18.05% yield), while QSI has no payments in the available dividend history.
- How have QSI and SIGA total returns compared?
- Over the past 5 years, QSI delivered -31.06% and SIGA delivered -6.59% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
SIGA Technologies dividend yieldQuantum-Si ROESIGA Technologies ROEQuantum-Si operating marginSIGA Technologies operating marginQuantum-Si revenue growthSIGA Technologies revenue growthQuantum-Si free cash flowSIGA Technologies free cash flow
Quantum-Si & SIGA Technologies 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.