Tandem Diabetes Care shares outstanding TNDM
Diluted shares outstanding, averaged over each quarter, from 2013.
- Latest quarter, to Jun 30, 2026
- 69M
- On a year earlier
- +2.9%
- more shares
Tandem Diabetes Care had 69M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 2.9% 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 | 68M | +3% |
| FY2024 | 65.9M | +1% |
| FY2023 | 65.4M | +2% |
| FY2022 | 64.4M | −1% |
| FY2021 | 64.8M | +4% |
| FY2020 | 62.2M | +5% |
| FY2019 | 59.2M | +3% |
| FY2018 | 57.4M | +520% |
| FY2017 | 9.3M | +200% |
| FY2016 | 3.1M | +2% |
| FY2015 | 3M | +28% |
| FY2014 | 2.4M | 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 | 69M | +3% | |
| Q1 FY26 | 68.4M | +3% | |
| Q4 FY25 | 68M | +3% | |
| Q3 FY25 | 67.7M | +3% | |
| Q2 FY25 | 67M | +3% | |
| Q1 FY25 | 66.4M | +2% | |
| Q4 FY24 | 65.9M | +1% | |
| Q3 FY24 | 65.5M | +1% | |
| Q2 FY24 | 65M | +0% | |
| Q1 FY24 | 65.3M | +1% | |
| Q4 FY23 | 65.4M | +2% | |
| Q3 FY23 | 65.1M | +1% |
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 Tandem Diabetes Care
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.