Quick Answer
Phathom Pharmaceuticals, Inc. reported Shares Outstanding of 71.42 million shares for fiscal year 2025.
Phathom Pharmaceuticals, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 71.42M | +4.2% |
| 2024 | 68.52M | +18.2% |
| 2023 | 57.97M | +39.8% |
| 2022 | 41.47M | +35.9% |
| 2021 | 30.51M | +7.0% |
| 2020 | 28.52M | +15.3% |
| 2019 | 24.73M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 71.04M | +4.0% | +1.3% |
| June 30, 2025 | 70.10M | +19.6% | +0.7% |
| March 31, 2025 | 69.64M | +19.0% | +1.6% |
| December 31, 2024 | 68.52M | +18.2% | +0.3% |
| September 30, 2024 | 68.32M | +20.3% | +16.6% |
| June 30, 2024 | 58.60M | +3.5% | +0.1% |
| March 31, 2024 | 58.52M | +34.3% | +1.0% |
| December 31, 2023 | 57.97M | +39.8% | +2.0% |
- Phathom Pharmaceuticals, Inc. showed an increase of +4.2% in Shares Outstanding compared to the prior fiscal year.
- Over the 2019–2025 period, Phathom Pharmaceuticals, Inc.’s shares outstanding has grown by 188.8% (from 24.73 million shares to 71.42 million shares).
- The most recent figure is from Phathom 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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