Growth Metrics

Arq (ARQ) Shares Outstanding (Diluted Average) (2012 - 2026)

Arq recorded quarterly Shares Outstanding (Diluted Average) of $41.7 million in Q1 2026, up 0.51% quarter-over-quarter from $41.5 million in Q4 2025, and down 1.88% year-over-year from $42.5 million in Q1 2025.

Arq's Shares Outstanding (Diluted Average) history runs 15 years deep, the most recent figure standing at $41.7 million for Q1 2026.

  • In Q1 2026, Shares Outstanding (Diluted Average) fell 1.88% year-over-year to $41.7 million; the TTM figure through Mar 2026 stood at $41.7 million (down 1.88% YoY), while the FY2025 annual figure was $41.5 million, up 15.18% from the prior year.
  • Shares Outstanding (Diluted Average) came in at $41.7 million for Q1 2026 at Arq, up from $41.5 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $42.5 million in Q1 2025 to a low of $18.3 million in Q1 2022.
  • A 5-year average of $31.2 million and a median of $34.1 million in 2024 frame the typical range for Shares Outstanding (Diluted Average).
  • Across the five-year window, Shares Outstanding (Diluted Average) jumped 57.72% in 2023 and retreated 1.88% in 2026, its largest moves.
  • Arq's Shares Outstanding (Diluted Average) stood at $18.5 million in 2022, then surged by 57.72% to $29.1 million in 2023, then climbed by 23.87% to $36.1 million in 2024, then advanced by 15.18% to $41.5 million in 2025, then climbed by 0.51% to $41.7 million in 2026.
  • According to Business Quant data, Shares Outstanding (Diluted Average) over the past three periods registered $41.7 million, $41.5 million, and $41.6 million for Q1 2026, Q4 2025, and Q3 2025 respectively.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares (Diluted Avg.) (Qtr)
1 Veralto 20.72 Bn 19.29 Bn 854.00 Mn 249.20 Mn
2 Zurn Elkay Water Solutions 7.83 Bn 7.56 Bn 205.80 Mn 1.98 Mn
3 Federal Signal 6.47 Bn 6.40 Bn 179.40 Mn 61.50 Mn
4 Ceco Environmental 2.82 Bn 2.78 Bn 63.92 Mn -
5 PureCycle Technologies 2.21 Bn 2.11 Bn - -
6 Euro Tech Holdings 1.36 Bn 1.34 Bn - 1.07 Mn
7 Energy Recovery 421.81 Mn 335.66 Mn 2.70 Mn 52.66 Mn
8 CleanCore Solutions 173.22 Mn 156.17 Mn -419,259.00 216.01 Mn
9 Arq 116.43 Mn 111.76 Mn 9.94 Mn 41.73 Mn
10 374Water 42.95 Mn 42.95 Mn -2.43 Mn 15.23 Mn

Historic Data

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DateValue
Mar 31, 2026 41.73 Mn
Dec 31, 2025 41.52 Mn
Sep 30, 2025 41.61 Mn
Jun 30, 2025 41.42 Mn
Mar 31, 2025 42.53 Mn
Dec 31, 2024 36.05 Mn
Sep 30, 2024 34.09 Mn
Jun 30, 2024 34.36 Mn
Mar 31, 2024 37.06 Mn
Dec 31, 2023 29.10 Mn
Sep 30, 2023 27.89 Mn
Jun 30, 2023 25.74 Mn
Mar 31, 2023 23.77 Mn
Dec 31, 2022 18.45 Mn
Sep 30, 2022 18.49 Mn
Jun 30, 2022 18.41 Mn
Mar 31, 2022 18.34 Mn
Dec 31, 2021 18.46 Mn
Sep 30, 2021 18.42 Mn
Jun 30, 2021 18.40 Mn
Mar 31, 2021 18.27 Mn
Dec 31, 2020 18.04 Mn
Sep 30, 2020 18.10 Mn
Jun 30, 2020 18.01 Mn
Mar 31, 2020 17.93 Mn
Dec 31, 2019 18.28 Mn
Sep 30, 2019 18.34 Mn
Jun 30, 2019 18.38 Mn
Mar 31, 2019 18.43 Mn
Dec 31, 2018 20.03 Mn
Sep 30, 2018 19.88 Mn
Jun 30, 2018 20.20 Mn
Mar 31, 2018 20.58 Mn
Dec 31, 2017 21.41 Mn
Sep 30, 2017 20.85 Mn
Jun 30, 2017 21.88 Mn
Mar 31, 2017 22.24 Mn
Dec 31, 2016 22.23 Mn
Sep 30, 2016 22.10 Mn
Jun 30, 2016 22.19 Mn
Mar 31, 2016 22.18 Mn
Dec 31, 2015 21.77 Mn
Sep 30, 2015 21.69 Mn
Jun 30, 2015 21.72 Mn
Mar 31, 2015 21.70 Mn
Dec 31, 2014 22.08 Mn
Sep 30, 2014 21.54 Mn
Jun 30, 2014 22.04 Mn
Mar 31, 2014 21.47 Mn
Dec 31, 2013 20.10 Mn
Sep 30, 2013 20.47 Mn
Jun 30, 2013 19.92 Mn
Mar 31, 2013 19.90 Mn
Dec 31, 2012 19.83 Mn
Sep 30, 2012 10.01 Mn