ESS Tech, Inc. (GWH)
Technology › Miscellaneous Electrical Machinery, Equipment & Supplies
Price History
Feb 9, 2026 — Apr 4, 2026Investment Snapshot
- P/B of 4.04 — trading above book value
- Piotroski F-Score 1/9 — signs of financial weakness
- Loss-making — negative ROE of -718.8%
- Revenue declining 75% annually
ESS Tech, Inc. (GWH) is a Technology company operating in Miscellaneous Electrical Machinery, Equipment & Supplies, listed on the NYSE , with a market capitalisation of $35 million . Key value metrics: P/B ratio 4.04, Piotroski F-Score 1 out of 9 .
Value Score
Key Metrics
Current vs 5-Year Average
Based on 5 years of SEC filingsRevenue & Net Income
Financial Statements
| Metric | FY22 | FY23 | FY24 |
|---|---|---|---|
| Revenue | $X.XB | $X.XB | $X.XB |
| Gross Profit | $X.XB | $X.XB | $X.XB |
| Operating Income | $X.XB | $X.XB | $X.XB |
| Net Income | $X.XB | $X.XB | $X.XB |
| EBITDA | $X.XB | $X.XB | $X.XB |
| Total Assets | $X.XB | $X.XB | $X.XB |
| Total Liabilities | $X.XB | $X.XB | $X.XB |
ESS Tech, Inc. — Fundamental Analysis Summary
On financial health, GWH shows a weak Piotroski F-Score of 1/9, a signal of deteriorating financial health, and negative return on equity of -718.8% (sector average: -3.1%), and high leverage with a debt-to-equity ratio of 4.94.
StockPik's composite Value Score for GWH is 25/100 — reflecting current market or financial concerns. The score is built from ten fundamental signals: P/E, P/B, PEG ratio, P/S ratio, return on equity, gross margin, debt-to-equity, current ratio, dividend yield, and Piotroski F-Score.
GWH reports a thin gross margin of -859.9% (sector average: 41.3%) and a negative operating margin of -1,790.3%.
GWH shows revenue declining at 75% year-over-year, with earnings growing at 26%.