Quick Answer
RHYTHM PHARMACEUTICALS, INC. reported Shares Outstanding of 67.21 million shares for fiscal year 2025.
RHYTHM PHARMACEUTICALS, INC. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 67.21M | +7.7% |
| 2024 | 62.39M | +5.0% |
| 2023 | 59.43M | +5.0% |
| 2022 | 56.61M | +12.6% |
| 2021 | 50.28M | +13.7% |
| 2020 | 44.24M | +0.5% |
| 2019 | 44.00M | +27.9% |
| 2018 | 34.41M | +26.1% |
| 2017 | 27.28M | +167.6% |
| 2016 | 10.20M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 66.68M | +8.5% | +4.3% |
| June 30, 2025 | 63.91M | +4.6% | +0.7% |
| March 31, 2025 | 63.49M | +4.2% | +1.8% |
| December 31, 2024 | 62.39M | +5.0% | +1.6% |
| September 30, 2024 | 61.44M | +4.0% | +0.6% |
| June 30, 2024 | 61.10M | +7.4% | +0.2% |
| March 31, 2024 | 60.96M | +7.2% | +2.6% |
| December 31, 2023 | 59.43M | +5.0% | +0.6% |
- RHYTHM PHARMACEUTICALS, INC. showed an increase of +7.7% in Shares Outstanding compared to the prior fiscal year.
- Over the 2016–2025 period, RHYTHM PHARMACEUTICALS, INC.’s shares outstanding has grown by 559.1% (from 10.20 million shares to 67.21 million shares).
- The most recent figure is from RHYTHM PHARMACEUTICALS, INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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