SuperworthRhythm Pharmaceuticals market cap RYTM
Share price times shares outstanding: what the whole company sells for, since 2017.
- Today, Oct 23, 2026
- $6.1B
- Highest close in our data
- $8B
- Aug 2026
Rhythm Pharmaceuticals is worth $6.1B at the close on Oct 23, 2026, at $89.27 a share.
That is down 16% over the last year and up 963% over five years.
Its highest close in our data was $8B in Aug 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $6.1B | $5.2B | $8B | −16% |
| 2025 | $7.3B | $3B | $7.6B | +115% |
| 2024 | $3.4B | $2.2B | $4.1B | +26% |
| 2023 | $2.7B | $898.9M | $2.8B | +66% |
| 2022 | $1.6B | $163.3M | $1.6B | +227% |
| 2021 | $501.7M | $443.9M | $1.7B | −62% |
| 2020 | $1.3B | $618.6M | $1.4B | +30% |
| 2019 | $1B | $670.3M | $1.1B | +9% |
| 2018 | $930.1M | $530.9M | $1.1B | +17% |
| 2017 | $792.9M | $703.9M | $825.1M | n/a |
Against its peers
Companies in Drug Manufacturers - General nearest Rhythm Pharmaceuticals' size, closest first, today.
| Company | Market cap |
|---|---|
| RYTMRhythm Pharmaceuticals | $6.1B |
| LGNDLigand Pharmaceuticals | $6.1B |
| KNSAKiniksa Pharmaceuticals International | $6B |
| AMRXAmneal Pharmaceuticals | $6.5B |
| ALKSAlkermes plc. | $7.3B |
| TGTXTG Therapeutics | $8.3B |
| PTGXProtagonist Therapeutics | $9B |
| CORTCorcept Therapeutics | $9.3B |
| INDVIndivior Pharmaceuticals | $4.1B |
| ARQTArcutis Biotherapeutics | $3.9B |
| LQDALiquidia | $3.8B |
| Peer median | $6.3B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Rhythm Pharmaceuticals
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.