ESS Tech (GWH) Shares Outstanding (Diluted) (2020 - 2026)
ESS Tech's Shares Outstanding (Diluted) came in at 33.82 million for Q2 2026, up 175.6% from 12.27 million a year earlier and up 15.5% from the prior quarter.
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Analysis
ESS Tech (GWH) Shares Outstanding (Diluted) (2020 - 2026) Analysis & Trends
For FY2025, ESS Tech's Shares Outstanding (Diluted) was 14.6 million, up 24.0% from FY2024.
- Shares Outstanding (Diluted) has increased in each of the last five years, with a five-year compound annual growth rate of 30.0% (FY2020 to FY2025).
- Going back by year, Shares Outstanding (Diluted) was 11.77 million in FY2024 (+10.4%), 10.66 million in FY2023 (+4.8%), 10.18 million in FY2022 (+83.4%) and 5.55 million in FY2021 (+41.4%).
- The Q2 2026 figure represents the highest quarterly Shares Outstanding (Diluted) in data going back to Q4 2020.
- Year-over-year, Shares Outstanding (Diluted) has increased for 19 consecutive quarters, with growth averaging 49.3% over the last eight quarters.
- Over the past five years, the year-over-year growth in Shares Outstanding (Diluted) ranged from 1.4% (Q2 2023) to 175.6% (Q2 2026).
- Business Quant data shows GWH's Shares Outstanding (Diluted) at 29.29 million (Q1 2026), 14.6 million (Q4 2025) and 14.15 million (Q3 2025) in the three quarters before Q2 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | GE Vernova | 262.99 Bn | 224.06 Bn | 2.36 Bn | 270.00 Mn |
| 2 | Bloom Energy | 81.45 Bn | 73.27 Bn | 355.57 Mn | 323.33 Mn |
| 3 | First Solar | 18.50 Bn | 9.45 Bn | 605.00 Mn | 107.73 Mn |
| 4 | BWX Technologies | 12.53 Bn | 10.83 Bn | 202.31 Mn | 92.01 Mn |
| 5 | Generac Holdings | 12.26 Bn | 11.09 Bn | 521.81 Mn | 59.64 Mn |
| 6 | Nextpower | 12.05 Bn | 7.95 Bn | 335.85 Mn | 155.14 Mn |
| 7 | EnerSys | 6.88 Bn | 5.08 Bn | 313.36 Mn | 37.63 Mn |
| 8 | Enphase Energy | 4.34 Bn | -522.59 Mn | 175.01 Mn | 135.12 Mn |
| 9 | Mirion Technologies | 3.51 Bn | 1.40 Bn | 133.10 Mn | 275.07 Mn |
| 10 | ESS Tech | 5.26 Mn | 5.26 Mn | -7.42 Mn | 33.82 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 33.82 Mn |
| Mar 31, 2026 | 29.29 Mn |
| Dec 31, 2025 | 14.60 Mn |
| Sep 30, 2025 | 14.15 Mn |
| Jun 30, 2025 | 12.27 Mn |
| Mar 31, 2025 | 12.03 Mn |
| Dec 31, 2024 | 11.77 Mn |
| Sep 30, 2024 | 11.81 Mn |
| Jun 30, 2024 | 11.72 Mn |
| Mar 31, 2024 | 11.63 Mn |
| Dec 31, 2023 | 10.66 Mn |
| Sep 30, 2023 | 10.47 Mn |
| Jun 30, 2023 | 10.33 Mn |
| Mar 31, 2023 | 10.28 Mn |
| Dec 31, 2022 | 10.18 Mn |
| Sep 30, 2022 | 10.19 Mn |
| Jun 30, 2022 | 10.18 Mn |
| Mar 31, 2022 | 10.11 Mn |
| Dec 31, 2021 | 5.55 Mn |
| Sep 30, 2021 | 4.51 Mn |
API Access
ESS Tech Shares Outstanding (Diluted) API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=GWH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "ticker": "GWH", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=GWH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();