Gossamer Bio shares outstanding GOSS
Diluted shares outstanding, averaged over each quarter, from 2018.
- Latest quarter, to Jun 30, 2026
- 4.1M
- On a year earlier
- +44.7%
- more shares
Gossamer Bio had 4.1M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 44.7% 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 | 2.9M | +2% |
| FY2024 | 2.8M | +1% |
| FY2023 | 2.8M | +139% |
| FY2022 | 1.2M | +25% |
| FY2021 | 944.8K | +3% |
| FY2020 | 915.2K | +19% |
| FY2019 | 766K | +706% |
| FY2018 | 95.1K | 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 | 4.1M | +45% | |
| Q1 FY26 | 2.9M | +3% | |
| Q4 FY25 | 2.9M | +2% | |
| Q3 FY25 | 2.8M | +1% | |
| Q2 FY25 | 2.8M | −5% | |
| Q1 FY25 | 2.8M | +0% | |
| Q4 FY24 | 2.8M | +1% | |
| Q3 FY24 | 2.8M | +17% | |
| Q2 FY24 | 3M | +150% | |
| Q1 FY24 | 2.8M | +138% | |
| Q4 FY23 | 2.8M | +139% | |
| Q3 FY23 | 2.4M | +112% |
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 Gossamer Bio
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.