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Siga Technologies vs Keros Therapeutics: SIGA and KROS compared
Siga Technologies is the larger company: $41.0M of revenue in its latest quarter (Q2 2026) against $40.0M for Keros Therapeutics (Q3 2026). Keros Therapeutics is growing faster (+183% against -50% a year earlier). Siga Technologies is more profitable, with an operating margin of 33.9% against 32.0%.
Where the money goes: SIGA and KROS
Siga Technologies (SIGA) · Q2 2026
Siga Technologies, Q2 2026: revenue $41.0M (-50% year over year), operating margin 33.9%, net earnings $12.5M, operating cash flow $15.2M. The chart follows the revenue to costs, profit and cash.
Keros Therapeutics (KROS) · Q3 2026
Keros Therapeutics, Q3 2026: revenue $40.0M (+183% year over year), operating margin 32.0%, net earnings $14.2M, operating cash flow $3.4M. The chart follows the revenue to costs, profit and cash.
| Siga Technologies (SIGA) | Keros Therapeutics (KROS) | |
|---|---|---|
| Latest quarter | Q2 2026 | Q3 2026 |
| Revenue | $41.0M | $40.0M |
| Revenue growth, Y/Y | -50% | +183% |
| Operating margin | 33.9% | 32.0% |
| Net earnings | $12.5M | $14.2M |
| Net margin | 30.4% | 35.4% |
| Operating cash flow | $15.2M | $3.4M |
| Free cash flow | — | $3.3M |
Where the revenue comes from
Siga Technologies
- Product Sales and Supportive Services: $37.9M (92%)
- Research and Development: $3.1M (8%)
Questions
Which is bigger, Siga Technologies or Keros Therapeutics?
Siga Technologies is the larger company: $41.0M of revenue in its latest quarter (Q2 2026) against $40.0M for Keros Therapeutics (Q3 2026).
Is Siga Technologies or Keros Therapeutics growing faster?
Keros Therapeutics is growing faster (+183% against -50% a year earlier).
Which is more profitable, Siga Technologies or Keros Therapeutics?
Siga Technologies is more profitable, with an operating margin of 33.9% against 32.0%.
More: Siga Technologies earnings · how Siga Technologies makes money · Keros Therapeutics earnings · how Keros Therapeutics makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Aug 6, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.