Energy Recovery (ERII) Shares Outstanding (Diluted Average) (2009 - 2026)
Energy Recovery (ERII) reported Shares Outstanding (Diluted Average) of $52.7 million for Q1 2026, down 4.08% year-over-year from $54.9 million in Q1 2025, and down 2.77% on a QoQ basis from $54.2 million in Q4 2025.
Energy Recovery (ERII) has 18 years of Shares Outstanding (Diluted Average) data on file, last reported at $52.7 million in Q1 2026.
- Quarterly Shares Outstanding (Diluted Average) fell 4.08% year-over-year to $52.7 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $52.7 million (down 4.08% YoY) and the FY2025 annual result came in at $54.2 million, down 6.34% from the prior year.
- Shares Outstanding (Diluted Average) retreated to $52.7 million in Q1 2026 per ERII's latest filing, from $54.2 million in the prior quarter.
- Across five years, Shares Outstanding (Diluted Average) topped out at $58.3 million in Q3 2024 and bottomed at $52.7 million in Q1 2026.
- The 5-year median for Shares Outstanding (Diluted Average) is $57.4 million (2024), against an average of $56.4 million.
- The widest annual swing landed in 2024, when Shares Outstanding (Diluted Average) grew 1.9%; it then decreased 8.28% in 2025.
- Tracing ERII's Shares Outstanding (Diluted Average) over 5 years: stood at $57.6 million in 2022, then advanced by 0.17% to $57.7 million in 2023, then climbed by 0.14% to $57.8 million in 2024, then retreated by 6.34% to $54.2 million in 2025, then decreased by 2.77% to $52.7 million in 2026.
- Per Business Quant, the three latest ERII Shares Outstanding (Diluted Average) figures stand at $52.7 million (Q1 2026), $54.2 million (Q4 2025), and $53.5 million (Q3 2025).
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
Download Data| Date | Value |
|---|---|
| Mar 31, 2026 | 52.66 Mn |
| Dec 31, 2025 | 54.16 Mn |
| Sep 30, 2025 | 53.47 Mn |
| Jun 30, 2025 | 54.49 Mn |
| Mar 31, 2025 | 54.90 Mn |
| Dec 31, 2024 | 57.82 Mn |
| Sep 30, 2024 | 58.29 Mn |
| Jun 30, 2024 | 57.37 Mn |
| Mar 31, 2024 | 57.10 Mn |
| Dec 31, 2023 | 57.74 Mn |
| Sep 30, 2023 | 57.97 Mn |
| Jun 30, 2023 | 56.30 Mn |
| Mar 31, 2023 | 56.23 Mn |
| Dec 31, 2022 | 57.64 Mn |
| Sep 30, 2022 | 57.37 Mn |
| Jun 30, 2022 | 57.86 Mn |
| Mar 31, 2022 | 58.18 Mn |
| Dec 31, 2021 | 58.72 Mn |
| Sep 30, 2021 | 58.71 Mn |
| Jun 30, 2021 | 58.82 Mn |
| Mar 31, 2021 | 58.60 Mn |
| Dec 31, 2020 | 56.64 Mn |
| Sep 30, 2020 | 56.44 Mn |
| Jun 30, 2020 | 56.37 Mn |
| Mar 31, 2020 | 56.54 Mn |
| Dec 31, 2019 | 56.07 Mn |
| Sep 30, 2019 | 56.38 Mn |
| Jun 30, 2019 | 55.76 Mn |
| Mar 31, 2019 | 55.37 Mn |
| Dec 31, 2018 | 55.34 Mn |
| Sep 30, 2018 | 55.30 Mn |
| Jun 30, 2018 | 55.44 Mn |
| Mar 31, 2018 | 53.99 Mn |
| Dec 31, 2017 | 55.61 Mn |
| Sep 30, 2017 | 55.57 Mn |
| Jun 30, 2017 | 55.80 Mn |
| Mar 31, 2017 | 56.06 Mn |
| Dec 31, 2016 | 55.45 Mn |
| Sep 30, 2016 | 52.11 Mn |
| Jun 30, 2016 | 55.70 Mn |
| Dec 31, 2015 | 52.15 Mn |
| Jun 30, 2015 | 51.99 Mn |
| Dec 31, 2014 | 51.68 Mn |
| Jun 30, 2013 | 51.00 Mn |
| Jun 30, 2012 | 52.07 Mn |
| Mar 31, 2012 | 52.62 Mn |
| Dec 31, 2011 | 52.61 Mn |
| Mar 31, 2011 | 52.59 Mn |
| Dec 31, 2010 | 52.07 Mn |
| Dec 31, 2009 | 52.64 Mn |