Weighted Average Number of Shares Outstanding, Basic of Energy Recovery, Inc. from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit: us-gaap: shares
Description: Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary: Energy Recovery, Inc. quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 31 Dec 2010 to 31 Dec 2025.
Energy Recovery, Inc. Weighted Average Number of Shares Outstanding, Basic for the quarter ending 31 Dec 2025 was 53,802,000, a 6% decline year-over-year.
Energy Recovery, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2025 was 53,802,000, a 6% decline from 2024.
Energy Recovery, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 57,213,000, a 1.4% increase from 2023.
Energy Recovery, Inc. annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 56,444,000, a 0.4% increase from 2022.
Source SEC data: View on sec.gov

Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)

Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)

Weighted Average Number of Shares Outstanding, Basic, Annual (shares)

Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

Energy Recovery, Inc. Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period	Value	YoY Chg	Change %	Start Date	End Date	Report	Filed	Fiscal Year	Fiscal Period
Q4 2025	53,802,000	-3,411,000	-6%	01 Oct 2025	31 Dec 2025	10-K	25 Feb 2026	2025	FY
Q3 2025	53,162,000	-4,594,000	-8%	01 Jul 2025	30 Sep 2025	10-Q	05 Nov 2025	2025	Q3
Q2 2025	54,257,000	-3,109,000	-5.4%	01 Apr 2025	30 Jun 2025	10-Q	06 Aug 2025	2025	Q2
Q1 2025	54,902,000	-2,200,000	-3.9%	01 Jan 2025	31 Mar 2025	10-Q	07 May 2025	2025	Q1
Q4 2024	57,213,000	+769,000	+1.4%	01 Oct 2024	31 Dec 2024	10-K	25 Feb 2026	2025	FY
Q3 2024	57,756,000	+1,313,000	+2.3%	01 Jul 2024	30 Sep 2024	10-Q	05 Nov 2025	2025	Q3
Q2 2024	57,366,000	+1,003,000	+1.8%	01 Apr 2024	30 Jun 2024	10-Q	06 Aug 2025	2025	Q2
Q1 2024	57,102,000	+874,000	+1.6%	01 Jan 2024	31 Mar 2024	10-Q	07 May 2025	2025	Q1
Q4 2023	56,444,000	+223,000	+0.4%	01 Oct 2023	31 Dec 2023	10-K	25 Feb 2026	2025	FY
Q3 2023	56,443,000	+562,000	+1%	01 Jul 2023	30 Sep 2023	10-Q	30 Oct 2024	2024	Q3
Q2 2023	56,363,000	+145,000	+0.26%	01 Apr 2023	30 Jun 2023	10-Q	31 Jul 2024	2024	Q2
Q1 2023	56,228,000	-555,000	-0.98%	01 Jan 2023	31 Mar 2023	10-Q	01 May 2024	2024	Q1
Q4 2022	56,221,000	-772,000	-1.4%	01 Oct 2022	31 Dec 2022	10-K	26 Feb 2025	2024	FY
Q3 2022	55,881,000	-1,145,000	-2%	01 Jul 2022	30 Sep 2022	10-Q	01 Nov 2023	2023	Q3
Q2 2022	56,218,000	-1,035,000	-1.8%	01 Apr 2022	30 Jun 2022	10-Q	02 Aug 2023	2023	Q2
Q1 2022	56,783,000	-94,000	-0.16%	01 Jan 2022	31 Mar 2022	10-Q	03 May 2023	2023	Q1
Q4 2021	56,993,000	+1,284,000	+2.3%	01 Oct 2021	31 Dec 2021	10-K	21 Feb 2024	2023	FY
Q3 2021	57,026,000	+1,334,000	+2.4%	01 Jul 2021	30 Sep 2021	10-Q	02 Nov 2022	2022	Q3
Q2 2021	57,253,000	+1,639,000	+2.9%	01 Apr 2021	30 Jun 2021	10-Q	03 Aug 2022	2022	Q2
Q1 2021	56,877,000	+1,465,000	+2.6%	01 Jan 2021	31 Mar 2021	10-Q	04 May 2022	2022	Q1
Q4 2020	55,709,000	+969,000	+1.8%	01 Oct 2020	31 Dec 2020	10-K	22 Feb 2023	2022	FY
Q3 2020	55,692,000	+717,000	+1.3%	01 Jul 2020	30 Sep 2020	10-Q	05 Nov 2021	2021	Q3
Q2 2020	55,614,000	+933,000	+1.7%	01 Apr 2020	30 Jun 2020	10-Q	06 Aug 2021	2021	Q2
Q1 2020	55,412,000	+1,296,000	+2.4%	01 Jan 2020	31 Mar 2020	10-Q	07 May 2021	2021	Q1
Q4 2019	54,740,000	+976,000	+1.8%	01 Oct 2019	31 Dec 2019	10-K	24 Feb 2022	2021	FY
Q3 2019	54,975,000	+1,310,000	+2.4%	01 Jul 2019	30 Sep 2019	10-Q	30 Oct 2020	2020	Q3
Q2 2019	54,681,000	+934,000	+1.7%	01 Apr 2019	30 Jun 2019	10-Q	31 Jul 2020	2020	Q2
Q1 2019	54,116,000	+129,000	+0.24%	01 Jan 2019	31 Mar 2019	10-Q	01 May 2020	2020	Q1
Q4 2018	53,764,000	+63,000	+0.12%	01 Oct 2018	31 Dec 2018	10-K	12 Mar 2021	2020	FY
Q3 2018	53,665,000	+85,000	+0.16%	01 Jul 2018	30 Sep 2018	10-Q	01 Nov 2019	2019	Q3
Q2 2018	53,747,000	-1,000	-0%	01 Apr 2018	30 Jun 2018	10-Q	02 Aug 2019	2019	Q2
Q1 2018	53,987,000	+162,000	+0.3%	01 Jan 2018	31 Mar 2018	10-Q	02 May 2019	2019	Q1
Q4 2017	53,701,000			01 Oct 2017	31 Dec 2017	10-K	06 Mar 2020	2019	FY
Q3 2017	53,580,000	+1,474,000	+2.8%	01 Jul 2017	30 Sep 2017	10-Q	01 Nov 2018	2018	Q3
Q2 2017	53,748,000	+1,379,000	+2.6%	01 Apr 2017	30 Jun 2017	10-Q	02 Aug 2018	2018	Q2
Q1 2017	53,825,000			01 Jan 2017	31 Mar 2017	10-Q	03 May 2018	2018	Q1
Q3 2016	52,106,000			01 Jul 2016	30 Sep 2016	10-Q	03 Nov 2017	2017	Q3
Q2 2016	52,369,000	+343,000	+0.66%	01 Apr 2016	30 Jun 2016	10-Q	03 Aug 2017	2017	Q2
Q2 2015	52,026,000			01 Apr 2015	30 Jun 2015	10-Q	04 Aug 2016	2016	Q2
Q2 2013	51,026,000	-406,000	-0.79%	01 Apr 2013	30 Jun 2013	10-Q	06 Aug 2013	2013	Q2
Q2 2012	51,432,000	-1,173,000	-2.2%	01 Apr 2012	30 Jun 2012	10-Q	06 Aug 2013	2013	Q2
Q1 2012	52,618,000	+32,000	+0.06%	01 Jan 2012	31 Mar 2012	10-Q	09 May 2012	2012	Q1
Q2 2011	52,605,000			01 Apr 2011	30 Jun 2011	10-Q	07 Aug 2012	2012	Q2
Q1 2011	52,586,000			01 Jan 2011	31 Mar 2011	10-Q	09 May 2012	2012	Q1

Energy Recovery, Inc. Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period	Value	YoY Chg	Change %	Start Date	End Date	Report	Filed	Fiscal Year	Fiscal Period
2025	53,802,000	-3,411,000	-6%	01 Jan 2025	31 Dec 2025	10-K	25 Feb 2026	2025	FY
2024	57,213,000	+769,000	+1.4%	01 Jan 2024	31 Dec 2024	10-K	25 Feb 2026	2025	FY
2023	56,444,000	+223,000	+0.4%	01 Jan 2023	31 Dec 2023	10-K	25 Feb 2026	2025	FY
2022	56,221,000	-772,000	-1.4%	01 Jan 2022	31 Dec 2022	10-K	26 Feb 2025	2024	FY
2021	56,993,000	+1,284,000	+2.3%	01 Jan 2021	31 Dec 2021	10-K	21 Feb 2024	2023	FY
2020	55,709,000	+969,000	+1.8%	01 Jan 2020	31 Dec 2020	10-K	22 Feb 2023	2022	FY
2019	54,740,000	+976,000	+1.8%	01 Jan 2019	31 Dec 2019	10-K	24 Feb 2022	2021	FY
2018	53,764,000	+63,000	+0.12%	01 Jan 2018	31 Dec 2018	10-K	12 Mar 2021	2020	FY
2017	53,701,000	+1,360,000	+2.6%	01 Jan 2017	31 Dec 2017	10-K	06 Mar 2020	2019	FY
2016	52,341,000	+190,000	+0.36%	01 Jan 2016	31 Dec 2016	10-K/A	12 Mar 2019	2018	FY
2015	52,151,000	+476,000	+0.92%	01 Jan 2015	31 Dec 2015	10-K	08 Mar 2018	2017	FY
2014	51,675,000			01 Jan 2014	31 Dec 2014	10-K	10 Mar 2017	2016	FY
2011	52,612,000	+540,000	+1%	01 Jan 2011	31 Dec 2011	10-K	14 Mar 2012	2011	FY
2010	52,072,000			01 Jan 2010	31 Dec 2010	10-K	14 Mar 2012	2011	FY

* An asterisk sign (*) next to the value indicates that the value is likely invalid.