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

ERII Nasdaq Special Industry Machinery, NEC DE CIK: 0001421517
Recently Updated • Analysis: May 8, 2026 • SEC Data: 2026-03-31
Combined AI Rating
SELL
72% Confidence
AGREEMENT
SELL
72% Conf
HOLD
72% Conf

📊 ERII Key Takeaways

Revenue: $9.7M
Net Margin: -126.2%
Free Cash Flow: $20.2M
Current Ratio: 9.28x
Debt/Equity: 0.00x
EPS: $-0.23
AI Rating: SELL with 72% confidence
Energy Recovery, Inc. (ERII) receives a SELL rating with 72% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $9.7M, net profit margin of -126.2%, and return on equity (ROE) of -6.6%, 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 is deeply unprofitable with a severe operating margin of -153% and declining 6.9% YoY revenue, indicating operational distress. While the balance sheet is fortress-like with $184.3M equity, zero debt, and $50.1M cash, the company continues to burn through profitability despite positive operating cash flow driven by non-cash charges. The strong cash position provides runway but cannot offset the fundamental lack of operational viability.

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
  • + Fortress balance sheet with $184.3M equity and only $24.7M liabilities
  • + Exceptional liquidity with 9.28x current ratio and zero debt
  • + Positive free cash flow of $20.2M despite operational losses, providing near-term survival
  • + $50.1M cash reserves offer substantial runway for turnaround
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 declining 6.9% YoY with only $9.7M in sales, indicating shrinking market demand
  • ! Severe unprofitability: -$14.9M operating income and -$12.3M net income on minimal revenue base
  • ! Massive operating margin of -153% and net margin of -126% showing business model failure at core level
  • ! Negative ROE (-6.6%) and ROA (-5.9%) destroying shareholder value; unclear path to profitability
  • ! Positive operating cash flow masking deterioration: likely driven by large non-cash charges rather than operational improvement
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 trend reversal and YoY growth rate normalization
  • * Operating margin recovery toward breakeven, then profitability
  • * Cash burn rate and months of runway remaining at current burn
  • * Operating cash flow sustainability and reconciliation with GAAP losses
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
$9.7M
Net Income
$-12.3M
EPS (Diluted)
$-0.23
Free Cash Flow
$20.2M
Total Assets
$209.0M
Cash Position
$50.1M

💡 AI Analyst Insight

The 208.4% free cash flow margin provides substantial flexibility for dividends, buybacks, and strategic investments. Strong liquidity with a 9.28x current ratio provides a solid financial cushion.

ERII Profit Margin, ROE & Profitability Analysis

Gross Margin 27.8%
Operating Margin -153.1%
Net Margin -126.2%
ROE -6.6%
ROA -5.9%
FCF Margin 208.4%

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

How Energy Recovery, Inc. compares to Industrial sector averages

Net Margin
ERII -126.2%
vs
Sector Avg 10.0%
ERII Sector
ROE
ERII -6.6%
vs
Sector Avg 15.0%
ERII Sector
Current Ratio
ERII 9.3x
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. has mixed fundamental signals relative to the Industrial sector in 2026.

Return on Equity
-6.6%
Sector avg: 15%
Net Profit Margin
-126.2%
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
9.28x
Quick Ratio
7.50x
Debt/Equity
0.00x
Debt/Assets
11.8%
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
208.4%
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
Q1 2026 $8.1M -$9.9M $-0.18
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

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
$21.0M
Cash generated from operations
Stock Buybacks
$10.7M
Shares repurchased (TTM)
Capital Expenditures
$814.0K
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
May 6, 2026 10-Q erii-20260331.htm View →
May 6, 2026 8-K erii-20260506.htm View →
Apr 21, 2026 DEF 14A erii-20260421.htm View →
Apr 8, 2026 4 xslF345X06/wk-form4_1775689467.xml View →
Apr 6, 2026 4 xslF345X06/wk-form4_1775513805.xml View →

Frequently Asked Questions about ERII

What is the AI rating for ERII?

Energy Recovery, Inc. (ERII) has a Combined AI Rating of SELL from Claude (SELL) and ChatGPT (HOLD) with 72% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are ERII's key strengths?

Claude: Fortress balance sheet with $184.3M equity and only $24.7M liabilities. Exceptional liquidity with 9.28x current ratio and zero debt. 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 declining 6.9% YoY with only $9.7M in sales, indicating shrinking market demand. Severe unprofitability: -$14.9M operating income and -$12.3M net income on minimal revenue base. 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 $9.7M.

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 $-0.23.

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 May 2026, Energy Recovery, Inc. has a SELL rating with 72% 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 -6.6% (sector avg: 15%), net margin of -126.2% (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 SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is ERII's free cash flow?

Energy Recovery, Inc.'s operating cash flow is $21.0M, with capital expenditures of $814.0K. FCF margin is 208.4%.

How does ERII compare to other Industrial stocks?

Vs Industrial sector averages: Net margin -126.2% (avg: 10%), ROE -6.6% (avg: 15%), current ratio 9.28 (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: May 8, 2026 | Data as of: 2026-03-31 | Powered by Claude AI