SuperworthPhathom Pharmaceuticals shares outstanding PHAT
Diluted shares outstanding, averaged over each quarter, from 2018.
- Latest quarter, to Jun 30, 2026
- 83.7M
- On a year earlier
- +15.6%
- more shares
Phathom Pharmaceuticals had 83.7M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 15.6% more than a year earlier, so each share owns a little less of the company.
Shares outstanding over time
Fiscal year by fiscal year
| Fiscal year | Shares, fourth quarter | Change |
|---|---|---|
| FY2025 | 73.8M | +4% |
| FY2024 | 71M | +24% |
| FY2023 | 57.3M | +39% |
| FY2022 | 41.3M | +9% |
| FY2021 | 37.8M | +11% |
| FY2020 | 34.1M | +38% |
| FY2019 | 24.7M | +265% |
| FY2018 | 6.8M | n/a |
Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.
Quarter by quarter
| Quarter | Ended | Shares outstanding | On a year earlier |
|---|---|---|---|
| Q2 FY26 | 83.7M | +16% | |
| Q1 FY26 | 82.1M | +14% | |
| Q4 FY25 | 73.8M | +4% | |
| Q3 FY25 | 73.4M | +14% | |
| Q2 FY25 | 72.5M | +24% | |
| Q1 FY25 | 72M | +23% | |
| Q4 FY24 | 71M | +24% | |
| Q3 FY24 | 64.6M | +14% | |
| Q2 FY24 | 58.6M | +21% | |
| Q1 FY24 | 58.4M | +38% | |
| Q4 FY23 | 57.3M | +39% | |
| Q3 FY23 | 56.8M | +46% |
What the shares outstanding tells you
Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.
A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.
More on Phathom Pharmaceuticals
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.