Energy Recovery (ERII) Shares Outstanding (2009 - 2026)

Energy Recovery (ERII) has 18 years of Shares Outstanding data on file, last reported at $52.1 million in Q1 2026.

• Quarterly Shares Outstanding fell 5.06% year-over-year to $52.1 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $52.1 million (down 5.06% YoY) and the FY2025 annual result came in at $66.8 million, up 0.89% from the prior year.
• Shares Outstanding declined to $52.1 million in Q1 2026 per ERII's latest filing, from $66.8 million in the prior quarter.
• Across five years, Shares Outstanding topped out at $66.8 million in Q4 2025 and bottomed at $52.1 million in Q1 2026.
• The 5-year median for Shares Outstanding is $63.8 million (2022), against an average of $60.6 million.
• The widest annual swing landed in 2024, when Shares Outstanding advanced 16.35%; it then slipped 16.22% in 2025.
• Tracing ERII's Shares Outstanding over 5 years: stood at $64.2 million in 2022, then retreated by 11.44% to $56.9 million in 2023, then increased by 16.35% to $66.2 million in 2024, then climbed by 0.89% to $66.8 million in 2025, then fell by 22.0% to $52.1 million in 2026.
• Per Business Quant, the three latest ERII Shares Outstanding figures stand at $52.1 million (Q1 2026), $66.8 million (Q4 2025), and $53.0 million (Q3 2025).

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