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Kiniksa Pharmaceuticals International vs Protagonist Therapeutics: KNSA and PTGX compared
Kiniksa Pharmaceuticals International is the larger company: $286M of revenue in its latest quarter (Q3 2026) against $274M for Protagonist Therapeutics (Q3 2026). Protagonist Therapeutics is growing faster (58× against +58% a year earlier). Protagonist Therapeutics is more profitable, with an operating margin of 79.6% against 19.0%.
Where the money goes: KNSA and PTGX
Kiniksa Pharmaceuticals International (KNSA) · Q3 2026
Kiniksa Pharmaceuticals International, Q3 2026: revenue $286M (+58% year over year), operating margin 19.0%, net earnings $47.3M, operating cash flow $47.5M. The chart follows the revenue to costs, profit and cash.
Protagonist Therapeutics (PTGX) · Q3 2026
Protagonist Therapeutics, Q3 2026: revenue $274M (58× year over year), operating margin 79.6%, net earnings $220M, operating cash flow −$23.2M. The chart follows the revenue to costs, profit and cash.
| Kiniksa Pharmaceuticals International (KNSA) | Protagonist Therapeutics (PTGX) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $286M | $274M |
| Revenue growth, Y/Y | +58% | 58× |
| Operating margin | 19.0% | 79.6% |
| Net earnings | $47.3M | $220M |
| Net margin | 16.6% | 80.2% |
| Operating cash flow | $47.5M | −$23.2M |
| Free cash flow | $47.4M | — |
Questions
Which is bigger, Kiniksa Pharmaceuticals International or Protagonist Therapeutics?
Kiniksa Pharmaceuticals International is the larger company: $286M of revenue in its latest quarter (Q3 2026) against $274M for Protagonist Therapeutics (Q3 2026).
Is Kiniksa Pharmaceuticals International or Protagonist Therapeutics growing faster?
Protagonist Therapeutics is growing faster (58× against +58% a year earlier).
Which is more profitable, Kiniksa Pharmaceuticals International or Protagonist Therapeutics?
Protagonist Therapeutics is more profitable, with an operating margin of 79.6% against 19.0%.
More: Kiniksa Pharmaceuticals International earnings · how Kiniksa Pharmaceuticals International makes money · Protagonist Therapeutics earnings · how Protagonist Therapeutics makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 27, 2026; 10-Q filed Nov 6, 2026). Fiscal quarters can end on different dates. Not investment advice.