Energy Recovery (ERII) Price to Book (2010 - 2026)
Energy Recovery's Price to Book was 2.68 in Q2 2026, down 27.8% from 3.70 a year earlier and down 6.0% from the prior quarter.
Powered by 
Analysis
Energy Recovery (ERII) Price to Book (2010 - 2026) Analysis & Trends
For FY2025, Price to Book at Energy Recovery came in at 3.45, down 9.9% from FY2024.
- Price to Book has now declined for four consecutive years.
- In earlier years, Price to Book was 3.83 in FY2024 (-21.3%), 4.88 in FY2023 (-21.4%), 6.20 in FY2022 (-9.2%) and 6.83 in FY2021 (+52.5%).
- The Q2 2026 figure marks the lowest quarterly Price to Book since Q3 2015.
- Compared with a year earlier, Price to Book has declined for three straight quarters, with an average decline of 13.6% over the last eight quarters.
- The best year-over-year quarter for Price to Book over five years was Q3 2021 (growth of 118.4%); the worst was Q2 2024 (a decline of 59.5%).
- Per Business Quant data, ERII's Price to Book in the three quarters before Q2 2026 was 2.85 (Q1 2026), 3.45 (Q4 2025) and 4.52 (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Ecolab | 76.01 Bn | 67.78 Bn | 1.95 Bn |
| 2 | Xylem | 23.56 Bn | 19.05 Bn | 963.00 Mn |
| 3 | Veralto | 23.10 Bn | 15.75 Bn | 902.00 Mn |
| 4 | Badger Meter | 3.72 Bn | 2.99 Bn | 90.77 Mn |
| 5 | Ceco Environmental | 3.11 Bn | 2.95 Bn | 86.47 Mn |
| 6 | NWPX Infrastructure | 1.01 Bn | 971.46 Mn | 34.36 Mn |
| 7 | Energy Recovery | 342.87 Mn | 18.03 Mn | 8.96 Mn |
| 8 | Cadiz | 311.40 Mn | 279.84 Mn | -24,000.00 |
| 9 | AirJoule Technologies | 290.46 Mn | 170.08 Mn | - |
| 10 | LanzaTech Global | 72.38 Mn | -42.75 Mn | 1.91 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 2.68 |
| Mar 31, 2026 | 2.85 |
| Dec 31, 2025 | 3.45 |
| Sep 30, 2025 | 4.52 |
| Jun 30, 2025 | 3.70 |
| Mar 31, 2025 | 4.40 |
| Dec 31, 2024 | 3.83 |
| Sep 30, 2024 | 4.30 |
| Jun 30, 2024 | 3.51 |
| Mar 31, 2024 | 4.19 |
| Dec 31, 2023 | 4.88 |
| Sep 30, 2023 | 6.18 |
| Jun 30, 2023 | 8.67 |
| Mar 31, 2023 | 7.16 |
| Dec 31, 2022 | 6.20 |
| Sep 30, 2022 | 7.19 |
| Jun 30, 2022 | 6.69 |
| Mar 31, 2022 | 6.31 |
| Dec 31, 2021 | 6.83 |
| Sep 30, 2021 | 6.13 |
API Access
Energy Recovery Price to Book 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=price-to-book&ticker=ERII&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "price-to-book", "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=price-to-book&ticker=ERII&period=max&api_key=YOUR_API_KEY");
const data = await res.json();