Growth Metrics

ClearSign Technologies (CLIR) FCF Margin (2015 - 2026)

ClearSign Technologies posted quarterly FCF Margin of 705.76% for Q1 2026, down 42770.0% year-on-year from N/an in Q1 2025, and down 1919.36% on a QoQ basis from 34.95% in Q4 2025.

ClearSign Technologies (CLIR) has 10 years of FCF Margin data on file, last reported at 705.76% in Q1 2026.

  • For the quarter ending Q1 2026, FCF Margin fell 42770.0% year-over-year to 705.76%; the trailing twelve-month figure through Mar 2026 stood at 98.98% (up 5673.0% YoY), and the FY2025 full-year result was 90.56%, up 3213.0% from the prior year.
  • FCF Margin for Q1 2026 stood at 705.76%, down from 34.95% in the prior quarter.
  • Across five years, FCF Margin topped out at 30.67% in Q2 2023 and bottomed at 3386.67% in Q2 2024.
  • The 5-year median for FCF Margin is 177.94% (2025), against an average of 573.57%.
  • The widest annual swing landed in 2024, when FCF Margin sank 341733 bps; it then soared 300246 bps in 2025.
  • A 5-year view of FCF Margin shows it stood at 1466.0% in 2022, then soared by 92 bps to 113.81% in 2023, then surged by 35 bps to 73.9% in 2024, then jumped by 53 bps to 34.95% in 2025, then tumbled by 1919 bps to 705.76% in 2026.
  • The last three FCF Margin figures came in at 705.76% (Q1 2026), 34.95% (Q4 2025), and 177.94% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) FCF Margin (Qtr)
1 Veralto 20.72 Bn 19.29 Bn 854.00 Mn 11.95%
2 Zurn Elkay Water Solutions 7.83 Bn 7.56 Bn 205.80 Mn 9.86%
3 Federal Signal 6.47 Bn 6.40 Bn 179.40 Mn 801.69%
4 Ceco Environmental 2.82 Bn 2.78 Bn 63.92 Mn -7.62%
5 PureCycle Technologies 2.21 Bn 2.11 Bn - -1,116.69%
6 Euro Tech Holdings 1.36 Bn 1.34 Bn - -
7 Energy Recovery 421.81 Mn 335.66 Mn 2.70 Mn 208.36%
8 CleanCore Solutions 173.22 Mn 156.17 Mn -419,259.00 -25,357.72%
9 Arq 116.43 Mn 111.76 Mn 9.94 Mn -2.33%
10 ClearSign Technologies 25.88 Mn 18.15 Mn -393,000.00 -705.76%

Historic Data

Download Data 🔒
DateValue
Mar 31, 2026 -705.76%
Dec 31, 2025 -34.95%
Sep 30, 2025 -177.94%
Jun 30, 2025 -384.21%
Mar 31, 2025 -278.05%
Dec 31, 2024 -73.90%
Sep 30, 2024 -77.08%
Jun 30, 2024 -3,386.67%
Mar 31, 2024 -90.83%
Dec 31, 2023 -113.81%
Sep 30, 2023 -1,500.00%
Jun 30, 2023 30.67%
Mar 31, 2023 -61.97%
Dec 31, 2022 -1,466.00%
Sep 30, 2022 -283.02%
Dec 31, 2021 -2,170.37%
Sep 30, 2021 -1,004.74%
Mar 31, 2021 -431.68%
Mar 31, 2018 -351.32%
Dec 31, 2017 -1,215.00%
Mar 31, 2017 -637.50%
Dec 31, 2016 -613.85%
Sep 30, 2016 -627.69%
Dec 31, 2015 -2,414.75%