Revenue
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Fuel Tech, Inc. (FTEK)
Price$1.55Cached quote
Net income
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Free cash flow
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Total cash / debt
CashTotal debt
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Financial statements
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $26.7M | $25.1M | $27.1M | $26.9M | $24.3M | $22.6M | $30.5M | $56.5M | $45.2M | $55.2M | $73.7M | $79.0M | $109.3M | $97.6M | $93.7M | $81.8M | $71.4M |
| Gross profit | $12.4M | $10.6M | $11.7M | $11.6M | $11.9M | $10.6M | $10.8M | $20.1M | $18.0M | $18.8M | $28.6M | $35.1M | $46.8M | $40.7M | $43.8M | $35.0M | $29.0M |
| Gross margin | 46.42% | 42.27% | 43.04% | 43.22% | 49.04% | 47.18% | 35.55% | 35.49% | 39.90% | 34.07% | 38.77% | 44.46% | 42.82% | 41.73% | 46.77% | 42.76% | 40.55% |
| Research & development | $2.0M | $1.6M | $1.5M | $895,000 | $1.3M | $1.2M | $1.1M | $1.1M | $1.1M | $1.8M | $1.4M | $1.5M | $2.4M | $2.9M | $1.5M | $948,000 | $542,000 |
| Operating expenses | $30.4M | $29.8M | $29.7M | $28.5M | $25.8M | $26.9M | $38.7M | $56.4M | $52.2M | $67.2M | $79.1M | $104.2M | $101.3M | $92.4M | $84.0M | $77.9M | $74.5M |
| Operating income | −$3.7M | −$4.7M | −$2.7M | −$1.5M | −$1.5M | −$4.3M | −$8.2M | $110,000 | −$7.1M | −$12.0M | −$5.4M | −$25.2M | $8.0M | $5.2M | $9.6M | $3.9M | −$3.1M |
| Operating margin | −13.80% | −18.71% | −9.81% | −5.67% | −6.14% | −19.23% | −27.05% | 0.19% | −15.64% | −21.80% | −7.37% | −31.85% | 7.32% | 5.33% | 10.30% | 4.81% | −4.32% |
| EBITDA | −$3.0M | −$4.2M | −$2.3M | −$1.1M | −$748,000 | −$3.5M | −$7.2M | $957,000 | −$5.5M | −$9.1M | −$1.8M | −$20.9M | $11.0M | $8.3M | $13.4M | $8.0M | $715,000 |
| EBITDA margin | −11.18% | −16.88% | −8.55% | −4.03% | −3.08% | −15.47% | −23.78% | 1.69% | −12.26% | −16.54% | −2.48% | −26.40% | 10.07% | 8.49% | 14.27% | 9.80% | 1.00% |
| Net income | −$2.3M | −$1.9M | −$1.5M | −$1.4M | $54,000 | −$4.3M | −$7.9M | −$28,000 | −$10.4M | −$17.4M | −$12.4M | −$17.7M | $5.1M | $2.8M | $6.1M | $1.8M | −$2.3M |
| Net profit margin | −8.71% | −7.73% | −5.68% | −5.35% | 0.22% | −18.97% | −25.77% | −0.05% | −23.13% | −31.52% | −16.81% | −22.43% | 4.67% | 2.84% | 6.56% | 2.14% | −3.23% |
| Basic EPSper basic share | -$0.08 | -$0.06 | -$0.05 | -$0.05 | $0.00 | -$0.17 | -$0.32 | $0.00 | -$0.44 | -$0.74 | -$0.54 | -$0.78 | $0.23 | $0.12 | $0.26 | $0.07 | -$0.10 |
| Diluted EPSper diluted share | -$0.08 | -$0.06 | -$0.05 | -$0.05 | $0.00 | -$0.17 | -$0.32 | $0.00 | -$0.44 | -$0.74 | -$0.54 | -$0.78 | $0.23 | $0.12 | $0.25 | $0.07 | -$0.10 |
Owners
Reported shareholders
4.94%of listed shares
GRACE & WHITE INC /NY1.54M shares · Jun 30, 2026
View holders
| Holder | % owned |
|---|---|
GRACE & WHITE INC /NY | 4.94%1.54M shares |
RENAISSANCE TECHNOLOGIES LLC | 3.53%1.1M shares |
VANGUARD CAPITAL MANAGEMENT LLC | 3.22%1.01M shares |
Peapod Lane Capital LLC | 2.63%820.59K shares |
ARNONE VINCENT J | ≈1.76%549.51K shares |
GEODE CAPITAL MANAGEMENT, LLC | 1.68%522.98K shares |
BlackRock, Inc. | 1.59%496.49K shares |
US BANCORP \DE\ | 0.98%304.78K shares |
GSA CAPITAL PARTNERS LLP | 0.95%295.14K shares |
TWO SIGMA INVESTMENTS, LP | 0.54%168.46K shares |
Beartown Capital Management, LLC | 0.47%146.69K shares |
VANGUARD FIDUCIARY TRUST CO | 0.43%133.46K shares |
STATE STREET CORP | 0.39%121.85K shares |
Marquette Asset Management, LLC | 0.35%110.51K shares |
JANE STREET GROUP, LLC | 0.35%109.48K shares |
Albrecht Ellen T | ≈0.29%91.68K shares |
THOMPSON DAVIS & CO., INC. | 0.27%85.8K shares |
Jones Sharon L | ≈0.27%83.97K shares |
ESSEX INVESTMENT MANAGEMENT CO LLC | 0.25%77.16K shares |
NORTHERN TRUST CORP | 0.19%60.33K shares |
Percentages use 31.22M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.
Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.
Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data
Insider buys & sells
| Transaction | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| Mar 6, 2026Form 4 | ARNONE VINCENT JPresident & CEO | BuyCommon Stock | 10.0K | $1.24 | $12.4K | 549.5K |
| Jun 4, 2025Form 4 | Jones Sharon LDirector | SellCommon Stock | 12.6K | $1.67 | $21.1K | 84.0K |
| Mar 28, 2025Form 4 | ARNONE VINCENT JPresident & CEO | BuyCommon Stock | 15.0K | $1.05 | $15.8K | 485.9K |
| Nov 19, 2024Form 4 | Jones Sharon LDirector | BuyCommon Stock | 8.0K | $1.08 | $8.7K | 96.6K |
| Nov 18, 2024Form 4 | Jones Sharon LDirector | BuyCommon Stock | 9.8K | $1.05 | $10.3K | 88.6K |