Quick Answer
FUEL TECH, INC. reported Shares Outstanding of 31.07 million shares for fiscal year 2025.
FUEL TECH, INC. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 31.07M | +1.2% |
| 2024 | 30.71M | +1.1% |
| 2023 | 30.39M | +0.3% |
| 2022 | 30.30M | +0.1% |
| 2021 | 30.26M | +20.0% |
| 2020 | 25.23M | +2.6% |
| 2019 | 24.59M | +1.7% |
| 2018 | 24.17M | +0.2% |
| 2017 | 24.13M | +2.9% |
| 2016 | 23.45M | +1.2% |
| 2015 | 23.17M | +1.3% |
| 2014 | 22.86M | +1.2% |
| 2013 | 22.59M | +2.2% |
| 2012 | 22.10M | -6.5% |
| 2011 | 23.64M | -2.4% |
| 2010 | 24.21M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 31.07M | +1.2% | +0.0% |
| June 30, 2025 | 31.07M | +1.2% | +1.0% |
| March 31, 2025 | 30.77M | +1.3% | +0.2% |
| December 31, 2024 | 30.71M | +1.1% | +0.0% |
| September 30, 2024 | 30.71M | +1.1% | +0.0% |
| June 30, 2024 | 30.71M | +1.1% | +1.1% |
| March 31, 2024 | 30.39M | +0.3% | +0.0% |
| December 31, 2023 | 30.39M | +0.3% | +0.0% |
- FUEL TECH, INC. showed an increase of +1.2% in Shares Outstanding compared to the prior fiscal year.
- Over the 2010–2025 period, FUEL TECH, INC.’s shares outstanding has grown by 28.3% (from 24.21 million shares to 31.07 million shares).
- The most recent figure is from FUEL TECH, INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 3, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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