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Ironwood Pharmaceuticals vs Ardelyx: IRWD and ARDX compared
Ironwood Pharmaceuticals is the larger company: $133M of revenue in its latest quarter (Q3 2026) against $128M for Ardelyx (Q3 2026). Ardelyx is growing faster (+16% against +9% a year earlier). Ironwood Pharmaceuticals is more profitable, with an operating margin of 70.0% against 3.2%.
Where the money goes: IRWD and ARDX
Ironwood Pharmaceuticals (IRWD) · Q3 2026
Ironwood Pharmaceuticals, Q3 2026: revenue $133M (+9% year over year), operating margin 70.0%, net earnings $59.8M, operating cash flow $67.4M. The chart follows the revenue to costs, profit and cash.
Ardelyx (ARDX) · Q3 2026
Ardelyx, Q3 2026: revenue $128M (+16% year over year), operating margin 3.2%, net loss $737K, operating cash flow $2.2M. The chart follows the revenue to costs, profit and cash.
| Ironwood Pharmaceuticals (IRWD) | Ardelyx (ARDX) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $133M | $128M |
| Revenue growth, Y/Y | +9% | +16% |
| Operating margin | 70.0% | 3.2% |
| Net earnings | $59.8M | −$737K |
| Net margin | 45.0% | -0.6% |
| Operating cash flow | $67.4M | $2.2M |
Where the revenue comes from
Ardelyx
- Product sales, net: $125M (98%)
- Product supply revenue: $1.4M (1%)
- Non-cash royalty revenue related to the sale of future royalties: $604K (0%)
Questions
Which is bigger, Ironwood Pharmaceuticals or Ardelyx?
Ironwood Pharmaceuticals is the larger company: $133M of revenue in its latest quarter (Q3 2026) against $128M for Ardelyx (Q3 2026).
Is Ironwood Pharmaceuticals or Ardelyx growing faster?
Ardelyx is growing faster (+16% against +9% a year earlier).
Which is more profitable, Ironwood Pharmaceuticals or Ardelyx?
Ironwood Pharmaceuticals is more profitable, with an operating margin of 70.0% against 3.2%.
More: Ironwood Pharmaceuticals earnings · how Ironwood Pharmaceuticals makes money · Ardelyx earnings · how Ardelyx makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-Q filed Nov 3, 2026). Fiscal quarters can end on different dates. Not investment advice.