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Energy Recovery, Inc. (ERII) Stock Fundamental Analysis & AI Rating 2026

ERII Nasdaq Special Industry Machinery, NEC DE CIK: 0001421517
Updated This Month • Analysis: Mar 24, 2026 • SEC Data: 2025-12-31
Combined AI Rating
HOLD
67% Confidence
STRONG AGREEMENT
HOLD
62% Conf
HOLD
72% Conf

📊 ERII Key Takeaways

Revenue: $135.0M
Net Margin: 17.0%
Free Cash Flow: $17.4M
Current Ratio: 10.44x
Debt/Equity: 0.00x
EPS: $0.42
AI Rating: HOLD with 62% confidence
Energy Recovery, Inc. (ERII) receives a HOLD rating with 67% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $135.0M, net profit margin of 17.0%, and return on equity (ROE) of 11.1%, Energy Recovery, Inc. demonstrates mixed fundamentals in the Industrial sector. Below is our complete ERII stock analysis for 2026.

Is Energy Recovery, Inc. (ERII) a Good Investment?

Claude

Energy Recovery demonstrates solid operational efficiency with strong profitability margins (65.1% gross, 17.0% net) and fortress-like balance sheet strength (10.44x current ratio, zero debt). However, revenue contraction of 6.9% YoY and modest net income growth of -0.4% YoY suggest the company faces headwinds in top-line growth that offset its operational excellence, warranting a cautious stance pending evidence of revenue stabilization.

ChatGPT

Energy Recovery shows a high-quality fundamental profile with strong gross margins, solid operating profitability, positive free cash flow, and an exceptionally clean balance sheet with no long-term debt. However, the latest period shows revenue contraction and essentially flat net income, which suggests the business remains financially strong but currently lacks clear top-line momentum.

Why Buy Energy Recovery, Inc. Stock? ERII Key Strengths

Claude
  • + Exceptional balance sheet health with zero long-term debt, $48.1M cash, and 10.44x current ratio providing significant financial flexibility
  • + High profitability margins across all levels (65.1% gross margin, 17.7% operating margin, 17.0% net margin) indicating strong pricing power and operational efficiency
  • + Positive free cash flow generation of $17.4M (12.9% FCF margin) with low capital intensity (CapEx only $1.3M), supporting sustainable distributions
  • + Stable return on equity of 11.1% and ROA of 9.9% demonstrate consistent capital deployment efficiency
ChatGPT
  • + Very strong balance sheet with $48.08M in cash, no long-term debt, and high liquidity ratios
  • + High profitability profile, including 65.1% gross margin and 17.7% operating margin
  • + Positive free cash flow generation with low capital intensity, supporting financial flexibility

ERII Stock Risks: Energy Recovery, Inc. Investment Risks

Claude
  • ! Revenue declined 6.9% year-over-year, indicating potential market share loss or weakening demand in core markets requiring investigation
  • ! Net income essentially flat (-0.4% YoY) despite cost controls suggests limited operating leverage and difficulty growing earnings
  • ! High insider trading activity (18 Form 4 filings in 90 days) warrants monitoring for potential concerns or opportunistic timing
ChatGPT
  • ! Revenue declined 6.9% year over year, raising concern about demand consistency and growth durability
  • ! Net income was nearly flat despite higher EPS, indicating limited underlying earnings expansion
  • ! Operating cash flow trails net income, which could signal weaker cash conversion if it persists

Key Metrics to Watch

Claude
  • * Revenue trajectory in next two quarters - need to confirm whether YoY decline is stabilizing or accelerating
  • * Operating margin sustainability - monitor if declining revenue threatens fixed cost absorption
  • * Free cash flow conversion and cash balance adequacy - ensure operational performance translates to cash generation
ChatGPT
  • * Revenue growth and order momentum across core end markets
  • * Operating cash flow and free cash flow conversion relative to net income

Energy Recovery, Inc. (ERII) Financial Metrics & Key Ratios

Revenue
$135.0M
Net Income
$23.0M
EPS (Diluted)
$0.42
Free Cash Flow
$17.4M
Total Assets
$231.5M
Cash Position
$48.1M

💡 AI Analyst Insight

Strong liquidity with a 10.44x current ratio provides a solid financial cushion.

ERII Profit Margin, ROE & Profitability Analysis

Gross Margin 65.1%
Operating Margin 17.7%
Net Margin 17.0%
ROE 11.1%
ROA 9.9%
FCF Margin 12.9%

ERII vs Industrial Sector: How Energy Recovery, Inc. Compares

How Energy Recovery, Inc. compares to Industrial sector averages

Net Margin
ERII 17.0%
vs
Sector Avg 10.0%
ERII Sector
ROE
ERII 11.1%
vs
Sector Avg 15.0%
ERII Sector
Current Ratio
ERII 10.4x
vs
Sector Avg 1.8x
ERII Sector
Debt/Equity
ERII 0.0x
vs
Sector Avg 0.7x
ERII Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Energy Recovery, Inc. Stock Overvalued? ERII Valuation Analysis 2026

Based on fundamental analysis, Energy Recovery, Inc. appears fundamentally strong relative to the Industrial sector in 2026.

Return on Equity
11.1%
Sector avg: 15%
Net Profit Margin
17.0%
Sector avg: 10%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Energy Recovery, Inc. Balance Sheet: ERII Debt, Cash & Liquidity

Current Ratio
10.44x
Quick Ratio
9.04x
Debt/Equity
0.00x
Debt/Assets
10.9%
Interest Coverage
N/A
Long-term Debt
$0.0

ERII Revenue & Earnings Growth: 5-Year Financial Trend

ERII 5-year financial data: Year 2021: Revenue $119.0M, Net Income $10.9M, EPS $0.19. Year 2022: Revenue $125.6M, Net Income $26.4M, EPS $0.47. Year 2023: Revenue $128.3M, Net Income $14.3M, EPS $0.24. Year 2024: Revenue $144.9M, Net Income $24.0M, EPS $0.42. Year 2025: Revenue $144.9M, Net Income $21.5M, EPS $0.37.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Energy Recovery, Inc.'s revenue has grown significantly by 22% over the 5-year period, indicating strong business expansion. The most recent EPS of $0.37 reflects profitable operations.

ERII Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
12.9%
Free cash flow / Revenue

ERII Quarterly Earnings & Performance

Quarterly financial performance data for Energy Recovery, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $32.0M -$421.0K $-0.01
Q2 2025 $27.2M -$642.0K $-0.01
Q1 2025 $8.1M -$8.3M $-0.14
Q3 2024 $37.0M -$421.0K $-0.01
Q2 2024 $20.7M -$642.0K $-0.01
Q1 2024 $12.1M -$6.3M $-0.11
Q3 2023 $30.5M $1.7M $0.03
Q2 2023 $20.3M -$1.7M $-0.03

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Energy Recovery, Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$18.8M
Cash generated from operations
Stock Buybacks
$35.6M
Shares repurchased (TTM)
Capital Expenditures
$1.3M
Investment in assets
Dividends
None
No dividend program

ERII SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Energy Recovery, Inc. (CIK: 0001421517)

📋 Recent SEC Filings

Date Form Document Action
Apr 8, 2026 4 xslF345X06/wk-form4_1775689467.xml View →
Apr 6, 2026 4 xslF345X06/wk-form4_1775513805.xml View →
Mar 11, 2026 4 xslF345X05/wk-form4_1773261205.xml View →
Mar 9, 2026 4 xslF345X05/wk-form4_1773092014.xml View →
Mar 6, 2026 4 xslF345X05/wk-form4_1772840973.xml View →

Frequently Asked Questions about ERII

What is the AI rating for ERII?

Energy Recovery, Inc. (ERII) has a Combined AI Rating of HOLD from Claude (HOLD) and ChatGPT (HOLD) with 67% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are ERII's key strengths?

Claude: Exceptional balance sheet health with zero long-term debt, $48.1M cash, and 10.44x current ratio providing significant financial flexibility. High profitability margins across all levels (65.1% gross margin, 17.7% operating margin, 17.0% net margin) indicating strong pricing power and operational efficiency. ChatGPT: Very strong balance sheet with $48.08M in cash, no long-term debt, and high liquidity ratios. High profitability profile, including 65.1% gross margin and 17.7% operating margin.

What are the risks of investing in ERII?

Claude: Revenue declined 6.9% year-over-year, indicating potential market share loss or weakening demand in core markets requiring investigation. Net income essentially flat (-0.4% YoY) despite cost controls suggests limited operating leverage and difficulty growing earnings. ChatGPT: Revenue declined 6.9% year over year, raising concern about demand consistency and growth durability. Net income was nearly flat despite higher EPS, indicating limited underlying earnings expansion.

What is ERII's revenue and growth?

Energy Recovery, Inc. reported revenue of $135.0M.

Does ERII pay dividends?

Energy Recovery, Inc. does not currently pay dividends.

Where can I find ERII SEC filings?

Official SEC filings for Energy Recovery, Inc. (CIK: 0001421517) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is ERII's EPS?

Energy Recovery, Inc. has a diluted EPS of $0.42.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is ERII a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Energy Recovery, Inc. has a HOLD rating with 67% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is ERII stock overvalued or undervalued?

Valuation metrics for ERII: ROE of 11.1% (sector avg: 15%), net margin of 17.0% (sector avg: 10%). Compare these metrics with sector averages to assess valuation.

Should I buy ERII stock in 2026?

Our dual AI analysis gives Energy Recovery, Inc. a combined HOLD rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is ERII's free cash flow?

Energy Recovery, Inc.'s operating cash flow is $18.8M, with capital expenditures of $1.3M. FCF margin is 12.9%.

How does ERII compare to other Industrial stocks?

Vs Industrial sector averages: Net margin 17.0% (avg: 10%), ROE 11.1% (avg: 15%), current ratio 10.44 (avg: 1.8).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 24, 2026 | Data as of: 2025-12-31 | Powered by Claude AI