Quick Answer
TANDEM DIABETES CARE INC reported Shares Outstanding of 68.29 million shares for fiscal year 2025.
TANDEM DIABETES CARE INC Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 68.29M | +3.1% |
| 2024 | 66.26M | +1.1% |
| 2023 | 65.55M | +1.6% |
| 2022 | 64.51M | +1.1% |
| 2021 | 63.83M | +2.4% |
| 2020 | 62.34M | +4.9% |
| 2019 | 59.40M | +3.2% |
| 2018 | 57.55M | +468.8% |
| 2017 | 10.12M | +225.4% |
| 2016 | 3.11M | -89.7% |
| 2015 | 30.25M | +27.9% |
| 2014 | 23.66M | +3.2% |
| 2013 | 22.93M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 67.77M | +3.2% | +0.4% |
| June 30, 2025 | 67.53M | +3.2% | +1.4% |
| March 31, 2025 | 66.57M | +3.1% | +0.5% |
| December 31, 2024 | 66.26M | +1.1% | +0.9% |
| September 30, 2024 | 65.65M | +0.7% | +0.3% |
| June 30, 2024 | 65.44M | +0.6% | +1.4% |
| March 31, 2024 | 64.56M | -0.1% | -1.5% |
| December 31, 2023 | 65.55M | +1.6% | +0.6% |
- TANDEM DIABETES CARE INC showed an increase of +3.1% in Shares Outstanding compared to the prior fiscal year.
- Over the 2013–2025 period, TANDEM DIABETES CARE INC’s shares outstanding has grown by 197.9% (from 22.93 million shares to 68.29 million shares).
- The most recent figure is from TANDEM DIABETES CARE INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 19, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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