Quick Answer
TECOGEN INC. reported Shares Outstanding of 29.85 million shares for fiscal year 2025.
TECOGEN INC. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 29.85M | +19.6% |
| 2024 | 24.95M | +0.4% |
| 2023 | 24.85M | +0.0% |
| 2022 | 24.85M | +0.0% |
| 2021 | 24.85M | +0.0% |
| 2020 | 24.85M | +0.0% |
| 2019 | 24.85M | +0.1% |
| 2018 | 24.82M | +0.2% |
| 2017 | 24.77M | +23.9% |
| 2016 | 19.98M | +8.1% |
| 2015 | 18.48M | +16.2% |
| 2014 | 15.91M | +5.0% |
| 2013 | 15.16M | +11.3% |
| 2012 | 13.61M | -74.8% |
| 2011 | 53.99M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 29.82M | +20.0% | +16.6% |
| June 30, 2025 | 25.57M | +2.9% | +2.3% |
| March 31, 2025 | 24.99M | +0.5% | +0.1% |
| December 31, 2024 | 24.95M | +0.4% | +0.4% |
| September 30, 2024 | 24.85M | +0.0% | +0.0% |
| June 30, 2024 | 24.85M | +0.0% | +0.0% |
| March 31, 2024 | 24.85M | +0.0% | +0.0% |
| December 31, 2023 | 24.85M | +0.0% | +0.0% |
- TECOGEN INC. showed an increase of +19.6% in Shares Outstanding compared to the prior fiscal year.
- Over the 2011–2025 period, TECOGEN INC.’s shares outstanding has declined by 44.7% (from 53.99 million shares to 29.85 million shares).
- The most recent figure is from TECOGEN INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 19, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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