FUEL TECH, INC. Investment Income, Interest
FUEL TECH, INC. (FTEK) reported Investment Income, Interest of $266.00 thousand for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-04.
Financial Statements › Income Statement › Other Income
us-gaap:InvestmentIncomeInterest · last filed 2026-08-04
- FUEL TECH, INC. investment income, interest for the quarter ending 2026-06-30 was $266.00K, a 50.47% decline year-over-year.
- FUEL TECH, INC. investment income, interest for the quarter ending 2026-03-31 was $240.00K, a 13.98% decline year-over-year.
- FUEL TECH, INC. investment income, interest for the quarter ending 2025-12-31 was $288.00K, a 1.77% increase year-over-year.
- FUEL TECH, INC. investment income, interest for the quarter ending 2025-09-30 was $311.00K, a 3.72% decline year-over-year.
- FUEL TECH, INC. investment income, interest for fiscal 2025 was $1.42M, a 13.11% increase from fiscal 2024.
- FUEL TECH, INC. investment income, interest for fiscal 2024 was $1.25M, a 3.77% decline from fiscal 2023.
- FUEL TECH, INC. investment income, interest for fiscal 2023 was $1.30M, a 543.56% increase from fiscal 2022.
- FUEL TECH, INC. investment income, interest for fiscal 2022 was $202.00K, a 3266.67% increase from fiscal 2021.
| Period end | Investment Income, Interest 3 month | Investment Income, Interest 6 month | Investment Income, Interest 9 month | Investment Income, Interest 12 month |
|---|---|---|---|---|
| 2026-06-30 | $266.00K 10-Q · filed 2026-08-04 | $506.00K 10-Q · filed 2026-08-04 | $794.00K derived: sum of 3 quarters · filed 2026-08-04 | $1.10M derived: sum of 4 quarters · filed 2026-08-04 |
| 2026-03-31 | $240.00K 10-Q · filed 2026-05-05 | $528.00K derived: sum of 2 quarters · filed 2026-05-05 | $839.00K derived: sum of 3 quarters · filed 2026-05-05 | $1.38M derived: sum of 4 quarters · filed 2026-08-04 |
| 2025-12-31 | $288.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-03 | $599.00K derived: sum of 2 quarters · filed 2026-03-03 | $1.14M derived: sum of 3 quarters · filed 2026-08-04 | $1.42M 10-K · filed 2026-03-03 |
| 2025-09-30 | $311.00K 10-Q · filed 2025-11-04 | $848.00K derived: sum of 2 quarters · filed 2026-08-04 | $1.13M 10-Q · filed 2025-11-04 | $1.41M derived: sum of 4 quarters · filed 2026-08-04 |
| 2025-06-30 | $537.00K 10-Q · filed 2026-08-04 | $816.00K 10-Q · filed 2026-08-04 | $1.10M derived: sum of 3 quarters · filed 2026-08-04 | $1.42M derived: sum of 4 quarters · filed 2026-08-04 |
| 2025-03-31 | $279.00K 10-Q · filed 2026-05-05 | $562.00K derived: sum of 2 quarters · filed 2026-05-05 | $885.00K derived: sum of 3 quarters · filed 2026-05-05 | $1.22M derived: sum of 4 quarters · filed 2026-05-05 |
| 2024-12-31 | $283.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-03 | $606.00K derived: sum of 2 quarters · filed 2026-03-03 | $940.00K derived: sum of 3 quarters · filed 2026-03-03 | $1.25M 10-K · filed 2026-03-03 |
| 2024-09-30 | $323.00K 10-Q · filed 2025-11-04 | $657.00K derived: sum of 2 quarters · filed 2025-11-04 | $968.00K 10-Q · filed 2025-11-04 | $1.30M derived: sum of 4 quarters · filed 2025-11-04 |
| 2024-06-30 | $334.00K 10-Q · filed 2025-08-05 | $645.00K 10-Q · filed 2025-08-05 | $977.00K derived: sum of 3 quarters · filed 2025-08-05 | $1.30M derived: sum of 4 quarters · filed 2025-08-05 |
| 2024-03-31 | $311.00K 10-Q · filed 2025-05-12 | $643.00K derived: sum of 2 quarters · filed 2025-05-12 | $965.00K derived: sum of 3 quarters · filed 2025-05-12 | $1.27M derived: sum of 4 quarters · filed 2025-05-12 |
| 2023-12-31 | $332.00K derived: 10-K 12 month − 10-Q 9 month · filed 2025-03-04 | $654.00K derived: sum of 2 quarters · filed 2025-03-04 | $961.00K derived: sum of 3 quarters · filed 2025-03-04 | $1.30M 10-K · filed 2025-03-04 |
| 2023-09-30 | $322.00K 10-Q · filed 2024-11-06 | $629.00K derived: sum of 2 quarters · filed 2024-11-06 | $968.00K 10-Q · filed 2024-11-06 | $1.07M derived: sum of 4 quarters · filed 2024-11-06 |
| 2023-06-30 | $307.00K 10-Q · filed 2024-08-06 | $646.00K 10-Q · filed 2024-08-06 | $747.00K derived: sum of 3 quarters · filed 2024-08-06 | $839.00K derived: sum of 4 quarters · filed 2024-08-06 |
| 2023-03-31 | $339.00K 10-Q · filed 2024-05-07 | $440.00K derived: sum of 2 quarters · filed 2024-05-07 | $532.00K derived: sum of 3 quarters · filed 2024-05-07 | $540.00K derived: sum of 4 quarters · filed 2024-05-07 |
| 2022-12-31 | $101.00K derived: 10-K 12 month − 10-Q 9 month · filed 2024-03-11 | $193.00K derived: sum of 2 quarters · filed 2024-03-11 | $201.00K derived: sum of 3 quarters · filed 2024-03-11 | $202.00K 10-K · filed 2024-03-11 |
| 2022-09-30 | $92.00K 10-Q · filed 2023-11-07 | $100.00K derived: sum of 2 quarters · filed 2023-11-07 | $101.00K 10-Q · filed 2023-11-07 | $103.00K derived: sum of 4 quarters · filed 2023-11-07 |
| 2022-06-30 | $8.00K 10-Q · filed 2023-08-08 | $9.00K 10-Q · filed 2023-08-08 | $11.00K derived: sum of 3 quarters · filed 2023-08-08 | $12.00K derived: sum of 4 quarters · filed 2023-08-08 |
| 2022-03-31 | $1.00K 10-Q · filed 2023-05-09 | $3.00K derived: sum of 2 quarters · filed 2023-05-09 | $4.00K derived: sum of 3 quarters · filed 2023-05-09 | $6.00K derived: sum of 4 quarters · filed 2023-05-09 |
| 2021-12-31 | $2.00K derived: 10-K 12 month − 10-Q 9 month · filed 2023-03-07 | $3.00K derived: sum of 2 quarters · filed 2023-03-07 | $5.00K derived: sum of 3 quarters · filed 2023-03-07 | $6.00K 10-K · filed 2023-03-07 |
| 2021-09-30 | $1.00K 10-Q · filed 2022-11-08 | $3.00K derived: sum of 2 quarters · filed 2022-11-08 | $4.00K 10-Q · filed 2022-11-08 | |
| 2021-06-30 | $2.00K 10-Q · filed 2022-08-10 | $3.00K 10-Q · filed 2022-08-10 | ||
| 2021-03-31 | $1.00K 10-Q · filed 2022-05-10 | |||
| 2020-09-30 | $3.00K 10-Q · filed 2021-11-09 | $5.00K derived: sum of 2 quarters · filed 2021-11-09 | $16.00K 10-Q · filed 2021-11-09 | $27.00K derived: sum of 4 quarters · filed 2021-11-09 |
| 2020-06-30 | $2.00K 10-Q · filed 2021-08-10 | $13.00K 10-Q · filed 2021-08-10 | $24.00K derived: sum of 3 quarters · filed 2021-08-10 | $43.00K derived: sum of 4 quarters · filed 2021-08-10 |
| 2020-03-31 | $11.00K 10-Q · filed 2021-05-12 | $22.00K derived: sum of 2 quarters · filed 2021-05-12 | $41.00K derived: sum of 3 quarters · filed 2021-05-12 | $50.00K derived: sum of 4 quarters · filed 2021-05-12 |
| 2019-12-31 | $11.00K derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-15 | $30.00K derived: sum of 2 quarters · filed 2021-03-15 | $39.00K derived: sum of 3 quarters · filed 2021-03-15 | $41.00K 10-K · filed 2021-03-15 |
| 2019-09-30 | $19.00K 10-Q · filed 2020-11-10 | $28.00K derived: sum of 2 quarters · filed 2020-11-10 | $30.00K 10-Q · filed 2020-11-10 | $33.00K derived: sum of 4 quarters · filed 2020-11-10 |
| 2019-06-30 | $9.00K 10-Q · filed 2020-08-11 | $11.00K 10-Q · filed 2020-08-11 | $14.00K derived: sum of 3 quarters · filed 2020-08-11 | $15.00K derived: sum of 4 quarters · filed 2020-08-11 |
| 2019-03-31 | $2.00K 10-Q · filed 2020-05-12 | $5.00K derived: sum of 2 quarters · filed 2020-05-12 | $6.00K derived: sum of 3 quarters · filed 2020-05-12 | $6.00K derived: sum of 4 quarters · filed 2020-05-12 |
| 2018-12-31 | $3.00K derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-12 | $4.00K derived: sum of 2 quarters · filed 2020-03-12 | $4.00K derived: sum of 3 quarters · filed 2020-03-12 | $6.00K 10-K · filed 2020-03-12 |
| 2018-09-30 | $1.00K 10-Q · filed 2019-11-13 | $1.00K derived: sum of 2 quarters · filed 2019-11-13 | $3.00K 10-Q · filed 2019-11-13 | $5.00K derived: sum of 4 quarters · filed 2020-03-12 |
| 2018-06-30 | $0.00 10-Q · filed 2019-08-13 | $2.00K 10-Q · filed 2019-08-13 | $4.00K derived: sum of 3 quarters · filed 2020-03-12 | $6.00K derived: sum of 4 quarters · filed 2020-03-12 |
| 2018-03-31 | $2.00K 10-Q · filed 2019-05-13 | $4.00K derived: sum of 2 quarters · filed 2020-03-12 | $6.00K derived: sum of 3 quarters · filed 2020-03-12 | $9.00K derived: sum of 4 quarters · filed 2020-03-12 |
| 2017-12-31 | $2.00K derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-12 | $4.00K derived: sum of 2 quarters · filed 2020-03-12 | $7.00K derived: sum of 3 quarters · filed 2020-03-12 | $10.00K 10-K · filed 2020-03-12 |
| 2017-09-30 | $2.00K 10-Q · filed 2018-11-13 | $5.00K derived: sum of 2 quarters · filed 2018-11-13 | $8.00K 10-Q · filed 2018-11-13 | $12.00K derived: sum of 4 quarters · filed 2019-03-14 |
| 2017-06-30 | $3.00K 10-Q · filed 2018-08-13 | $6.00K 10-Q · filed 2018-08-13 | $10.00K derived: sum of 3 quarters · filed 2019-03-14 | $15.00K derived: sum of 4 quarters · filed 2019-03-14 |
| 2017-03-31 | $3.00K 10-Q · filed 2018-05-09 | $7.00K derived: sum of 2 quarters · filed 2019-03-14 | $12.00K derived: sum of 3 quarters · filed 2019-03-14 | $18.00K derived: sum of 4 quarters · filed 2019-03-14 |
| 2016-12-31 | $4.00K derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-14 | $9.00K derived: sum of 2 quarters · filed 2019-03-14 | $15.00K derived: sum of 3 quarters · filed 2019-03-14 | $25.00K 10-K · filed 2019-03-14 |
| 2016-09-30 | $5.00K 10-Q · filed 2017-11-13 | $11.00K derived: sum of 2 quarters · filed 2017-11-13 | $21.00K 10-Q · filed 2017-11-13 | $25.00K derived: sum of 4 quarters · filed 2018-03-12 |
| 2016-06-30 | $6.00K 10-Q · filed 2017-08-14 | $16.00K 10-Q · filed 2017-08-14 | $20.00K derived: sum of 3 quarters · filed 2018-03-12 | $23.00K derived: sum of 4 quarters · filed 2018-03-12 |
| 2016-03-31 | $10.00K 10-Q · filed 2017-05-11 | $14.00K derived: sum of 2 quarters · filed 2018-03-12 | $17.00K derived: sum of 3 quarters · filed 2018-03-12 | $24.00K derived: sum of 4 quarters · filed 2018-03-12 |
| 2015-12-31 | $4.00K derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-12 | $7.00K derived: sum of 2 quarters · filed 2018-03-12 | $14.00K derived: sum of 3 quarters · filed 2018-03-12 | $21.00K 10-K · filed 2018-03-12 |
| 2015-09-30 | $3.00K 10-Q · filed 2016-11-08 | $10.00K derived: sum of 2 quarters · filed 2016-11-08 | $17.00K 10-Q · filed 2016-11-08 | $23.00K derived: sum of 4 quarters · filed 2017-03-14 |
| 2015-06-30 | $7.00K 10-Q · filed 2016-08-09 | $14.00K 10-Q · filed 2016-08-09 | $20.00K derived: sum of 3 quarters · filed 2017-03-14 | $26.00K derived: sum of 4 quarters · filed 2017-03-14 |
| 2015-03-31 | $7.00K 10-Q · filed 2016-05-10 | $13.00K derived: sum of 2 quarters · filed 2017-03-14 | $19.00K derived: sum of 3 quarters · filed 2017-03-14 | $25.00K derived: sum of 4 quarters · filed 2017-03-14 |
| 2014-12-31 | $6.00K derived: 10-K 12 month − 10-Q 9 month · filed 2017-03-14 | $12.00K derived: sum of 2 quarters · filed 2017-03-14 | $18.00K derived: sum of 3 quarters · filed 2017-03-14 | $29.00K 10-K · filed 2017-03-14 |
| 2014-09-30 | $6.00K 10-Q · filed 2015-11-09 | $12.00K derived: sum of 2 quarters · filed 2015-11-09 | $23.00K 10-Q · filed 2015-11-09 | $38.00K derived: sum of 4 quarters · filed 2016-03-24 |
| 2014-06-30 | $6.00K 10-Q · filed 2015-08-10 | $17.00K 10-Q · filed 2015-08-10 | $32.00K derived: sum of 3 quarters · filed 2016-03-24 | $46.00K derived: sum of 4 quarters · filed 2016-03-24 |
| 2014-03-31 | $11.00K 10-Q · filed 2015-05-11 | $26.00K derived: sum of 2 quarters · filed 2016-03-24 | $40.00K derived: sum of 3 quarters · filed 2016-03-24 | $54.00K derived: sum of 4 quarters · filed 2016-03-24 |
| 2013-12-31 | $15.00K derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-24 | $29.00K derived: sum of 2 quarters · filed 2016-03-24 | $43.00K derived: sum of 3 quarters · filed 2016-03-24 | $58.00K 10-K · filed 2016-03-24 |
| 2013-09-30 | $14.00K 10-Q · filed 2014-11-06 | $28.00K derived: sum of 2 quarters · filed 2014-11-06 | $43.00K 10-Q · filed 2014-11-06 | $65.00K derived: sum of 4 quarters · filed 2015-03-16 |
| 2013-06-30 | $14.00K 10-Q · filed 2014-08-11 | $29.00K 10-Q · filed 2014-08-11 | $51.00K derived: sum of 3 quarters · filed 2015-03-16 | $67.00K derived: sum of 4 quarters · filed 2015-03-16 |
| 2013-03-31 | $15.00K 10-Q · filed 2014-05-12 | $37.00K derived: sum of 2 quarters · filed 2015-03-16 | $53.00K derived: sum of 3 quarters · filed 2015-03-16 | $93.00K derived: sum of 4 quarters · filed 2015-03-16 |
| 2012-12-31 | $22.00K derived: 10-K 12 month − 10-Q 9 month · filed 2015-03-16 | $38.00K derived: sum of 2 quarters · filed 2015-03-16 | $78.00K derived: sum of 3 quarters · filed 2015-03-16 | $78.00K 10-K · filed 2015-03-16 |
| 2012-09-30 | $16.00K 10-Q · filed 2013-11-12 | $56.00K derived: sum of 2 quarters · filed 2013-11-12 | $56.00K 10-Q · filed 2013-11-12 | |
| 2012-06-30 | $40.00K 10-Q · filed 2013-08-07 | $40.00K 10-Q · filed 2013-08-07 | ||
| 2011-12-31 | $16.00K derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-10 | $30.00K derived: sum of 2 quarters · filed 2014-03-10 | $34.00K derived: sum of 3 quarters · filed 2014-03-10 | $35.00K 10-K · filed 2014-03-10 |
| 2011-09-30 | $14.00K 10-Q · filed 2012-11-06 | $18.00K derived: sum of 2 quarters · filed 2012-11-06 | $19.00K 10-Q · filed 2012-11-06 | $24.00K derived: sum of 4 quarters · filed 2013-04-01 |
| 2011-06-30 | $4.00K 10-Q · filed 2012-08-06 | $5.00K 10-Q · filed 2012-08-06 | $10.00K derived: sum of 3 quarters · filed 2013-04-01 | $14.00K derived: sum of 4 quarters · filed 2013-04-01 |
| 2011-03-31 | $1.00K 10-Q · filed 2012-05-08 | $6.00K derived: sum of 2 quarters · filed 2013-04-01 | $10.00K derived: sum of 3 quarters · filed 2013-04-01 | $11.00K derived: sum of 4 quarters · filed 2013-04-01 |
| 2010-12-31 | $5.00K derived: 10-K/A 12 month − 10-Q 9 month · filed 2013-04-01 | $9.00K derived: sum of 2 quarters · filed 2013-04-01 | $10.00K derived: sum of 3 quarters · filed 2013-04-01 | $11.00K 10-K/A · filed 2013-04-01 |
| 2010-09-30 | $4.00K 10-Q · filed 2011-11-07 | $5.00K derived: sum of 2 quarters · filed 2011-11-07 | $6.00K 10-Q · filed 2011-11-07 | |
| 2010-06-30 | $1.00K 10-Q · filed 2011-08-08 | $2.00K 10-Q · filed 2011-08-08 | ||
| 2009-12-31 | $32.00K 10-K · filed 2012-03-05 |
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