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Rhythm Pharmaceuticals vs Phathom Pharmaceuticals: RYTM and PHAT compared
Rhythm Pharmaceuticals is the larger company: $92.1M of revenue in its latest quarter (Q3 2026) against $84.7M for Phathom Pharmaceuticals (Q3 2026). Rhythm Pharmaceuticals is growing faster (+80% against +71% a year earlier). Phathom Pharmaceuticals is more profitable, with an operating margin of -0.1% against -42.6%.
Where the money goes: RYTM and PHAT
Rhythm Pharmaceuticals (RYTM) · Q3 2026
Rhythm Pharmaceuticals, Q3 2026: revenue $92.1M (+80% year over year), operating margin -42.6%, net loss $41.4M, operating cash flow −$3.1M. The chart follows the revenue to costs, profit and cash.
Phathom Pharmaceuticals (PHAT) · Q3 2026
Phathom Pharmaceuticals, Q3 2026: revenue $84.7M (+71% year over year), operating margin -0.1%, net loss $13.9M, operating cash flow $1.8M. The chart follows the revenue to costs, profit and cash.
| Rhythm Pharmaceuticals (RYTM) | Phathom Pharmaceuticals (PHAT) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $92.1M | $84.7M |
| Revenue growth, Y/Y | +80% | +71% |
| Operating margin | -42.6% | -0.1% |
| Net earnings | −$41.4M | −$13.9M |
| Net margin | -44.9% | -16.4% |
| Operating cash flow | −$3.1M | $1.8M |
| Free cash flow | — | $1.7M |
Questions
Which is bigger, Rhythm Pharmaceuticals or Phathom Pharmaceuticals?
Rhythm Pharmaceuticals is the larger company: $92.1M of revenue in its latest quarter (Q3 2026) against $84.7M for Phathom Pharmaceuticals (Q3 2026).
Is Rhythm Pharmaceuticals or Phathom Pharmaceuticals growing faster?
Rhythm Pharmaceuticals is growing faster (+80% against +71% a year earlier).
Which is more profitable, Rhythm Pharmaceuticals or Phathom Pharmaceuticals?
Phathom Pharmaceuticals is more profitable, with an operating margin of -0.1% against -42.6%.
More: Rhythm Pharmaceuticals earnings · how Rhythm Pharmaceuticals makes money · Phathom Pharmaceuticals earnings · how Phathom Pharmaceuticals makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 3, 2026; 10-Q filed Oct 29, 2026). Fiscal quarters can end on different dates. Not investment advice.