Quick Answer
Birchtech Corp. reported Stockholders Equity of -$1.71 million for fiscal year 2025.
Birchtech Corp. Stockholders Equity — Annual History
| Fiscal Year | Stockholders Equity | YoY Change |
|---|---|---|
| 2025 | -$1.71M | -243.9% |
| 2024 | $1.19M | +1874.8% |
| 2023 | $60.4K | +100.8% |
| 2022 | -$7.42M | +27.6% |
| 2021 | -$10.24M | +22.4% |
| 2020 | -$13.20M | -48.8% |
| 2019 | -$8.87M | -2.9% |
| 2018 | -$8.62M | -94.8% |
| 2017 | -$4.42M | -21.0% |
| 2016 | -$3.66M | -18.4% |
| 2015 | -$3.09M | +32.6% |
| 2014 | -$4.58M | +6.6% |
| 2013 | -$4.91M | -26.3% |
| 2012 | -$3.89M | -443.3% |
| 2011 | -$715.2K | -66.3% |
| 2010 | -$430.1K | -1517.9% |
| 2009 | -$26.6K | — |
Quarterly Stockholders Equity
| Quarter Ending | Stockholders Equity | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | -$1.14M | -145.9% | +41.4% |
| June 30, 2025 | -$1.95M | -169.8% | -356.7% |
| March 31, 2025 | -$426.8K | -104.8% | -135.8% |
| December 31, 2024 | $1.19M | +1874.8% | -52.1% |
| September 30, 2024 | $2.49M | +125.2% | -11.0% |
| June 30, 2024 | $2.79M | +130.6% | -68.3% |
| March 31, 2024 | $8.80M | +203.5% | +14485.4% |
| December 31, 2023 | $60.4K | +100.8% | +100.6% |
- Birchtech Corp. showed a decrease of -243.9% in Stockholders Equity compared to the prior fiscal year.
- Over the 2009–2025 period, Birchtech Corp.’s stockholders equity has declined by 6351.1% (from -$26.6 thousand to -$1.71 million).
- 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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