Quick Answer
Birchtech Corp. reported Shares Outstanding of 19.46 million shares for fiscal year 2025.
Birchtech Corp. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 19.46M | +1.1% |
| 2024 | 19.24M | -79.6% |
| 2023 | 94.36M | +1.4% |
| 2022 | 93.09M | +4.5% |
| 2021 | 89.12M | +14.1% |
| 2020 | 78.10M | +6.2% |
| 2016 | 73.51M | +55.8% |
| 2015 | 47.19M | +17.3% |
| 2014 | 40.23M | +14.0% |
| 2013 | 35.30M | +6.2% |
| 2012 | 33.24M | +1.7% |
| 2011 | 32.68M | +20.6% |
| 2010 | 27.09M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 96.87M | +0.7% | +0.0% |
| June 30, 2025 | 96.87M | +0.8% | +0.7% |
| March 31, 2025 | 96.23M | +2.0% | +0.1% |
| December 31, 2024 | 96.18M | +1.9% | +0.0% |
| September 30, 2024 | 96.18M | +2.0% | +0.1% |
| June 30, 2024 | 96.05M | +1.9% | +1.8% |
| March 31, 2024 | 94.37M | +0.1% | +0.0% |
| December 31, 2023 | 94.36M | +1.4% | +0.1% |
- Birchtech Corp. showed an increase of +1.1% in Shares Outstanding compared to the prior fiscal year.
- Over the 2010–2025 period, Birchtech Corp.’s shares outstanding has declined by 28.2% (from 27.09 million shares to 19.46 million shares).
- The most recent figure is from Birchtech Corp.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 31, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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