ESS Tech Inc.

GWH | NYSE

Price Alert Chart Builder DCF Calculator

$0.40

-$0.29 (-41.65%)

At close: Aug 20, 2026, 3:59 PM ET

Overview Rating Statistics Financials Earnings Analysts Ownership Profile

Market Data

Market Cap $20.15M

Enterprise Value $3.82M

Beta 1.42

Average Volume 874.41K

Shares Outstanding (Diluted) 33.82M

Shares Change YoY 175.64%

Institutional Ownership 25.98%

Exchange NYSE

ISIN US26916J2050

Price Performance

Price Change 1M -52.6%

Price Change 3M -58.4%

Price Change 6M -72.8%

Price Change YTD -80.2%

Price Change 1Y -75.3%

Price Change 3Y -98.3%

Price Change 5Y -99.7%

1M CAGR (ann.) -15.4%

1Y CAGR (ann.) -57.9%

5Y CAGR (ann.) -65.9%

All-Time CAGR -60.9%

Valuation

PE Ratio -0.14

Forward PE N/A

PEG Ratio -0.00

Forward PEG N/A

PS Ratio -9.97

Forward PS 0.40

PB Ratio -4.35

P/FCF Ratio -0.26

P/Adj. FCF Ratio -0.23

P/OCF Ratio -0.32

EV/Sales -3.26

EV/EBIT -0.06

EV/EBITDA -0.07

EV/FCF -0.08

Earnings Yield -732.5%

FCF Yield -388.4%

Adj. FCF Yield -426.7%

Financial Health

Net Cash $10.85M

Total Debt $2.98M

Cash & Short-Term Investments $10.85M

Total Assets $32.48M

Current Ratio 0.68

Quick Ratio 0.67

Debt / Equity Ratio -1.11

Debt / EBITDA -0.05

Debt / FCF -0.07

OCF / Debt -14.13

Interest Coverage -14.45

Altman Z-Score -44.11

Piotroski F-Score 2

Margins & Profitability

Gross Profit Margin 2942.0%

Operating Profit Margin 4665.3%

EBITDA Margin 4783.4%

Net Profit Margin 5593.3%

FCF Margin N/A

Adj. FCF Margin N/A

SBC / Revenue -380.6%

SBC Impact (per share) -9.9%

Returns

Return on Assets -202.7%

Return on Equity -1934.8%

Return on Invested Capital -381.5%

Return on Capital Employed -440.1%

Return on Tangible Assets -220.0%

Historical Growth (CAGR)

Revenue CAGR 3Y 21.0%

Revenue CAGR 5Y N/A

Revenue CAGR 10Y N/A

EPS CAGR 3Y 14.4%

EPS CAGR 5Y 8.8%

EPS CAGR 10Y N/A

FCF CAGR 3Y 14.7%

FCF CAGR 5Y -42.6%

FCF CAGR 10Y N/A

Analyst Forecasts

Analyst Rating Hold

Analyst Count 11

EPS Growth Next 3Y 32.5%

Revenue Growth Next 3Y 9894.1%

Earnings Date Nov 11, 2026

EPS Estimate (next Q) -$0.35

EPS Growth Est (next Q) -52.0%

Revenue Est (next Q) $100K

Revenue Growth Est (next Q) -53.3%

Fair Value Estimates

Graham Number N/A

Graham Upside N/A

Lynch Fair Value N/A

Lynch Upside N/A

Price Target $2

Price Target Upside 400.0%

Cash Flow

Operating Cash Flow $-42.09M

Free Cash Flow $-45.42M

Adj. Free Cash Flow $-49.9M

FCF Per Share -$1.34

OCF Per Share -$1.24

OCF/S Ratio 3576.0%

Income Statement

Revenue $-1.17M

Gross Profit $-34.62M

Operating Income $-54.91M

EBITDA $-56.9M

Net Income $-65.83M

EPS (Diluted) -$2.93

Revenue / Employee $-18.92K

Profit / Employee $-1.06M

Employees 62