Quick Answer
ESS Tech, Inc. reported Shares Outstanding of 22.38 million shares for fiscal year 2025.
ESS Tech, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 22.38M | +86.7% |
| 2024 | 11.99M | +3.2% |
| 2023 | 11.61M | -92.4% |
| 2022 | 153.82M | +1.3% |
| 2021 | 151.84M | +12.3% |
| 2021 | 135.20M | +129.5% |
| 2020 | 58.92M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 15.39M | +29.5% | +19.3% |
| June 30, 2025 | 12.90M | -92.7% | +6.5% |
| March 31, 2025 | 12.10M | -93.1% | +1.0% |
| December 31, 2024 | 11.99M | +3.2% | +0.9% |
| September 30, 2024 | 11.88M | -93.1% | -93.3% |
| June 30, 2024 | 176.82M | +13.7% | +1.1% |
| March 31, 2024 | 174.90M | +13.3% | +1405.9% |
| December 31, 2023 | 11.61M | -92.4% | -93.3% |
- ESS Tech, Inc. showed an increase of +86.7% in Shares Outstanding compared to the prior fiscal year.
- Over the 2020–2025 period, ESS Tech, Inc.’s shares outstanding has declined by 62.0% (from 58.92 million shares to 22.38 million shares).
- The most recent figure is from ESS Tech, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 5, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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