ClearSign Technologies CLIR
NASDAQ CLIR
$4.22 -0.17 (-3.83%)
As of: Sep 9, 2026 · 2:16 PM EDT

ClearSign Technologies (CLIR) EBITDA (2011 - 2026)

ClearSign Technologies' (CLIR) quarterly EBITDA came in at -$1.5 million in Q2 2026, up 18.5% on a YoY basis from -$1.3 million in Q2 2025, and up 34.27% quarter-over-quarter from -$2.3 million in Q1 2026.

Analysis

ClearSign Technologies (CLIR) EBITDA (2011 - 2026) Analysis & Trends

ClearSign Technologies (CLIR) has reported EBITDA for 16 consecutive years, with -$1.5 million the latest figure, recorded in Q2 2026.

  • For the quarter ending Q2 2026, EBITDA rose 18.5% year-over-year to -$1.5 million; the trailing twelve-month figure through Jun 2026 stood at -$6.4 million (up 11.69% YoY), and the FY2025 full-year result was -$6.7 million, down 2.82% from the prior year.
  • EBITDA rose to -$1.5 million in Q2 2026 per CLIR's latest filing, from -$2.3 million in the prior quarter.
  • Across five years, EBITDA topped out at -$826000.0 in Q4 2025 and bottomed at -$2.3 million in Q1 2026.
  • Historically, EBITDA has averaged -$1.6 million across 5 years, with a median of -$1.6 million in 2022.
  • The widest YoY moves for EBITDA: up 50.42% in 2025, down 80.27% in 2025.
  • Over 5 years, EBITDA stood at -$1.5 million in 2022, then advanced by 23.52% to -$1.2 million in 2023, then plunged by 44.74% to -$1.7 million in 2024, then jumped by 50.42% to -$826000.0 in 2025, then tumbled by 81.36% to -$1.5 million in 2026.
  • According to Business Quant data, EBITDA over the past three periods registered -$1.5 million, -$2.3 million, and -$826000.0 for Q2 2026, Q1 2026, and Q4 2025 respectively.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) EBITDA (Qtr)
1 Ceco Environmental 3.21 Bn 3.15 Bn 86.47 Mn -33.18 Mn
2 LanzaTech Global 80.11 Mn 35.13 Mn 5.24 Mn -8.91 Mn
3 Fuel Tech 48.39 Mn 28.78 Mn 2.68 Mn -1.57 Mn
4 374Water 44.21 Mn 44.21 Mn 1.98 Mn -1.62 Mn
5 ClearSign Technologies 24.66 Mn 14.77 Mn 228,000.00 -1.50 Mn
6 Birchtech 23.54 Mn 11.71 Mn 1.03 Mn -1.62 Mn
7 TOMI Environmental Solutions 13.52 Mn 12.97 Mn 1.39 Mn -202,103.00
8 Liqtech International 11.86 Mn -3.91 Mn 365,539.00 -2.33 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 -1.50 Mn
Mar 31, 2026 -2.28 Mn
Dec 31, 2025 -826,000.00
Sep 30, 2025 -1.75 Mn
Jun 30, 2025 -1.84 Mn
Mar 31, 2025 -2.26 Mn
Dec 31, 2024 -1.67 Mn
Sep 30, 2024 -1.43 Mn
Jun 30, 2024 -2.14 Mn
Mar 31, 2024 -1.25 Mn
Dec 31, 2023 -1.15 Mn
Sep 30, 2023 -1.50 Mn
Jun 30, 2023 -1.63 Mn
Mar 31, 2023 -1.70 Mn
Dec 31, 2022 -1.51 Mn
Sep 30, 2022 -1.44 Mn
Jun 30, 2022 -1.66 Mn
Mar 31, 2022 -1.52 Mn
Dec 31, 2021 -1.23 Mn
Sep 30, 2021 -2.36 Mn