Energy Recovery (ERII) Shares Outstanding (2009 - 2026)
Energy Recovery (ERII) reported Weighted Average Shares Outstanding of 51.03 million for Q3 2026, down 4.0% from 53.16 million a year earlier and down 0.8% from the prior quarter.
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Analysis
Energy Recovery (ERII) Shares Outstanding (2009 - 2026) Analysis & Trends
For FY2025, Energy Recovery posted Weighted Average Shares Outstanding of 53.8 million, down 6.0% from FY2024.
- Weighted Average Shares Outstanding has a five-year compound annual growth rate of -0.7% (FY2020 to FY2025).
- By year, Weighted Average Shares Outstanding came in at 57.21 million in FY2024 (+1.4%), 56.44 million in FY2023 (+0.4%), 56.22 million in FY2022 (-1.4%) and 56.99 million in FY2021 (+2.3%).
- The Q3 2026 figure ranks as the lowest quarterly Weighted Average Shares Outstanding since Q2 2013.
- Year over year, Weighted Average Shares Outstanding has now declined in each of the last seven quarters, with an average decline of 4.4% over the last eight quarters.
- The high point for year-over-year Weighted Average Shares Outstanding in five years was Q3 2024 (growth of 2.3%); the low point was Q3 2025 (a decline of 8.0%).
- Per Business Quant data, the three quarters before Q3 2026 came in at 51.46 million (Q2 2026), 52.66 million (Q1 2026) and 53.8 million (Q4 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | Ecolab | 86.73 Bn | 79.74 Bn | 2.07 Bn | 280.40 Mn |
| 2 | Veralto | 28.77 Bn | 21.41 Bn | 908.00 Mn | 243.80 Mn |
| 3 | Xylem | 21.59 Bn | 17.56 Bn | 907.00 Mn | 232.72 Mn |
| 4 | Badger Meter | 4.42 Bn | 3.83 Bn | 98.85 Mn | 28.75 Mn |
| 5 | Ceco Environmental | 3.20 Bn | 2.99 Bn | 130.10 Mn | 58.55 Mn |
| 6 | NWPX Infrastructure | 866.95 Mn | 825.03 Mn | 38.19 Mn | 9.63 Mn |
| 7 | Energy Recovery | 370.21 Mn | 32.65 Mn | 4.20 Mn | 51.03 Mn |
| 8 | Cadiz | 265.95 Mn | 231.07 Mn | -24,000.00 | 84.15 Mn |
| 9 | AirJoule Technologies | 157.70 Mn | 37.32 Mn | - | 69.74 Mn |
| 10 | LanzaTech Global | 50.39 Mn | -47.24 Mn | 1.91 Mn | 11.66 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 51.03 Mn |
| Jun 30, 2026 | 51.46 Mn |
| Mar 31, 2026 | 52.66 Mn |
| Dec 31, 2025 | 53.80 Mn |
| Sep 30, 2025 | 53.16 Mn |
| Jun 30, 2025 | 54.26 Mn |
| Mar 31, 2025 | 54.90 Mn |
| Dec 31, 2024 | 57.21 Mn |
| Sep 30, 2024 | 57.76 Mn |
| Jun 30, 2024 | 57.37 Mn |
| Mar 31, 2024 | 57.10 Mn |
| Dec 31, 2023 | 56.44 Mn |
| Sep 30, 2023 | 56.44 Mn |
| Jun 30, 2023 | 56.36 Mn |
| Mar 31, 2023 | 56.23 Mn |
| Dec 31, 2022 | 56.22 Mn |
| Sep 30, 2022 | 55.88 Mn |
| Jun 30, 2022 | 56.22 Mn |
| Mar 31, 2022 | 56.78 Mn |
| Dec 31, 2021 | 56.99 Mn |
API Access
Energy Recovery Shares Outstanding API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding&ticker=ERII&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "ERII", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding&ticker=ERII&period=max&api_key=YOUR_API_KEY");
const data = await res.json();