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Siga Technologies vs Korro Bio: SIGA and KRRO compared
Siga Technologies is the larger company: $1.3M of revenue in its latest quarter (Q3 2026) against $1.3M for Korro Bio (Q4 2025). Korro Bio is growing faster (-43% against -50% a year earlier).
Where the money goes: SIGA and KRRO
Siga Technologies (SIGA) · Q3 2026
Siga Technologies, Q3 2026: revenue $1.3M (-50% year over year), operating margin -495.1%, net loss $2.9M, operating cash flow −$1.2M. The chart follows the revenue to costs, profit and cash.
Korro Bio (KRRO) · Q4 2025
Korro Bio, Q4 2025: revenue $1.3M (-43% year over year), net loss $50.0M, operating cash flow −$17.7M. The chart follows the revenue to costs, profit and cash.
| Siga Technologies (SIGA) | Korro Bio (KRRO) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q4 2025 |
| Revenue | $1.3M | $1.3M |
| Revenue growth, Y/Y | -50% | -43% |
| Operating margin | -495.1% | n/m |
| Net earnings | −$2.9M | −$50.0M |
| Net margin | -219.7% | — |
| Operating cash flow | −$1.2M | −$17.7M |
Where the revenue comes from
Siga Technologies
- Research and Development: $1.1M (82%)
- Product Sales and Supportive Services: $234K (18%)
Questions
Which is bigger, Siga Technologies or Korro Bio?
Siga Technologies is the larger company: $1.3M of revenue in its latest quarter (Q3 2026) against $1.3M for Korro Bio (Q4 2025).
Is Siga Technologies or Korro Bio growing faster?
Korro Bio is growing faster (-43% against -50% a year earlier).
More: Siga Technologies earnings · how Siga Technologies makes money · Korro Bio earnings · how Korro Bio makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 9, 2026; 10-K filed Mar 12, 2026). Fiscal quarters can end on different dates. Not investment advice.