SuperworthPrime Medicine shares outstanding PRME
Diluted shares outstanding, averaged over each quarter, from 2021.
- Latest quarter, to Jun 30, 2026
- 177.2M
- On a year earlier
- +37.2%
- more shares
Prime Medicine had 177.2M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 37.2% 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 | 177M | +35% |
| FY2024 | 130.8M | +42% |
| FY2023 | 92.5M | +26% |
| FY2022 | 73.1M | +344% |
| FY2021 | 16.5M | 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 | 177.2M | +37% | |
| Q1 FY26 | 177.1M | +35% | |
| Q4 FY25 | 177M | +35% | |
| Q3 FY25 | 160.5M | +34% | |
| Q2 FY25 | 129.2M | +8% | |
| Q1 FY25 | 130.9M | +25% | |
| Q4 FY24 | 130.8M | +42% | |
| Q3 FY24 | 119.8M | +30% | |
| Q2 FY24 | 119.2M | +32% | |
| Q1 FY24 | 104.5M | +17% | |
| Q4 FY23 | 92.5M | +26% | |
| Q3 FY23 | 91.8M | +313% |
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 Prime Medicine
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.