ESS Tech, Inc. (GWHT) Key Metrics

NYSE: GWHTValuation, returns, debt and efficiency ratios over 4 years.

GWHT valuation today

Trailing 12 months · as of October 17, 2026
Market cap
$3.4M
Enterprise value
$21.3M
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
—
10-yr median 165.0
Price / book
1.8
10-yr median 31.2
EV / EBITDA
—
Dividend yield
—
Beta
1.48

GWHT key metrics, 2022–2025

Fiscal year ended December 31, 2025 · U.S. dollars

GWHT valuation Price multiples at each fiscal year-end price.

Price / sales−89.5%
17.3
2025 · hover or tap a bar for each year
2023: 362.82024: 165.0 (−54.5%)2025: 17.3 (−89.5%)
20222025
Price / book−91.1%
3.2
2025 · hover or tap a bar for each year
2022: 40.62023: 26.5 (−34.9%)2024: 36.0 (+35.8%)2025: 3.2 (−91.1%)
20222025
Free cash flow yield−187.9 pts
−195.5%
2025 · hover or tap a bar for each year
2022: −1.7%2023: −2.2% (−0.5 pts)2024: −7.7% (−5.4 pts)2025: −195.5% (−187.9 pts)
20222025

GWHT valuation history

Fiscal year-endToday4-year median

GWHT returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

GWHT debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

GWHT cash returned to shareholders

DividendsBuybacksFree cash flow

GWHT price vs earnings per share

Share price at year-endEPS (right axis)

GWHT key metrics

2022–2025
ESS Tech, Inc. key metrics by fiscal year
2025202420232022
Valuation
Market capitalization$27.5M$1.04B$2.74B$5.57B
Enterprise value$17.3M$1.01B$2.63B$5.43B
Price / sales17.3165.0362.8—
Price / book3.236.026.540.6
EV / sales10.9160.2348.8—
Earnings yield−231.1%−8.3%−2.8%−1.4%
Free cash flow yield−195.5%−7.7%−2.2%−1.7%
Shareholder yield (dividends + buybacks)0.2%0.0%0.0%0.1%
Share price at fiscal year-end$1.88$5.88$17.10$36.45
Per share
Revenue per share$0.11$0.04$0.05$0.01
Earnings per share−$4.34−$0.49−$0.48−$0.51
Operating cash flow per share−$3.44−$0.41−$0.34−$0.53
Free cash flow per share−$3.68−$0.45−$0.38−$0.63
Cash per share$1.51$0.18$0.68$0.92
Book value per share$0.59$0.16$0.65$0.90
Tangible book value per share$0.41$0.14$0.62$0.90
Capex per share$0.23$0.04$0.04$0.09
Debt per share$0.81$0.01$0.02$0.04
Shares outstanding14.6M176.6M160.0M152.7M
Change in shares outstanding−91.7%+10.4%+4.8%—
Returns & profitability
Return on equity (ROE)−338.3%−130.4%−64.6%−56.9%
Return on assets (ROA)−103.2%−80.2%−49.0%−44.9%
Return on tangible assets−130.8%−128.4%−56.1%−45.0%
Free cash flow margin——−804.9%—
Financial health
Total debt$11.9M$1.7M$2.5M$5.9M
Cash & short-term investments$22.0M$31.6M$108.1M$139.8M
Net debt−$10.1M−$29.9M−$105.5M−$133.9M
Debt / equity1.380.060.020.04
Debt / assets0.230.020.020.03
Current ratio1.041.575.975.42
Quick ratio1.031.375.805.37
Interest coverage-10.2———
Working capital$955,000$15.8M$98.3M$123.6M
Invested capital−$1.5M−$1.0M−$2.2M$3.0M
Tangible asset value$5.9M$24.2M$98.4M$136.8M
Net current asset value−$16.3M$435,000$78.2M$115.1M
Graham net-net per share−$1.33−$0.04$0.45$0.70
Capital allocation
Share buybacks (net)$50,000$297,000$310,000$2.8M
Capex / revenue214.0%115.9%76.8%1,586.1%
Capex / depreciation0.591.540.899.31
Stock-based compensation / revenue343.3%183.9%141.0%1,329.9%
R&D / revenue524.1%187.0%565.4%8,051.3%
SG&A / revenue1,112.1%519.0%402.1%3,848.7%
Efficiency
Days sales outstanding445.6135.1174.12,021.8
Days of inventory on hand30.131.840.8—
Days payables outstanding57.938.251.6—
Cash conversion cycle (days)417.9128.7163.4—
Receivables turnover0.822.702.100.18
Payables turnover6.319.547.080.00
Inventory turnover12.1111.478.950.00
Asset turnover0.030.060.050.01
Average receivables$1.9M$2.3M$3.6M$5.0M
Average payables$5.5M$5.4M$2.9M$3.0M
Average inventory$2.9M$4.5M$2.3M$1.2M
Intangibles / total assets5.2%6.5%3.4%0.1%

Computed from GWHT's annual financial statements (latest annual report filed March 5, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

GWHT valuation and financial ratios

ESS Tech earned a return on equity of −338.3% in fiscal 2025. It ended the year with $11.9 million of debt and $22.0 million in cash and short-term investments, a net cash position of $10.1 million. It returned $0.1 million to shareholders: $0 in dividends and $0.1 million in share buybacks.

See the GWHT income statement, the GWHT chart for price history, or the GWHT stock overview for the latest quote and news.

GWHT key metrics FAQ

What is ESS Tech's return on equity?

ESS Tech's return on equity (ROE) was −338.3% in fiscal 2025: net income of -$63.4 million on average shareholders' equity of $18.8 million.

How much debt does ESS Tech have?

ESS Tech had total debt of $11.9 million at the end of fiscal 2025, a debt-to-equity ratio of 1.38 and more cash than debt.

Does ESS Tech buy back its shares?

Yes. ESS Tech spent $0.1 million on net share repurchases in fiscal 2025 Shares outstanding changed −91.7% over the year, to 14.6M..

What is ESS Tech's free cash flow yield?

ESS Tech generated -$53.7 million of free cash flow in fiscal 2025, a free cash flow yield of −195.5% on its market value at year-end ($27.5 million).

What is ESS Tech's current ratio?

ESS Tech's current ratio was 1.04 at the end of fiscal 2025: current assets were 1.04 times current liabilities.

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