ESS Tech (GWH) Market Capitalization (2021 - 2026)
ESS Tech (GWH) reported Market Capitalization of $31.24 million for Q2 2026, up 82.2% from $17.15 million a year earlier but down 4.4% from the prior quarter.
Powered by 
Analysis
ESS Tech (GWH) Market Capitalization (2021 - 2026) Analysis & Trends
For FY2025, ESS Tech posted Market Capitalization of $27.45 million, down 61.1% from FY2024.
- Market Capitalization has declined for four consecutive years, with a four-year compound annual growth rate of -58.8% (FY2021 to FY2025).
- By year, Market Capitalization came in at $70.48 million in FY2024 (-64.5%), $198.61 million in FY2023 (-46.9%), $373.8 million in FY2022 (-60.8%) and $952.5 million in FY2021.
- Five-year quarterly Market Capitalization spans a low of $17.15 million in Q2 2025 and a high of $952.5 million in Q4 2021.
- Year over year, Market Capitalization gained in 1 of the last eight quarters, with an average decline of 45.4%.
- The high point for year-over-year Market Capitalization in five years was Q1 2022 (growth of 301.7%); the low point was Q2 2025 (a decline of 88.1%).
- Per Business Quant data, the three quarters before Q2 2026 came in at $32.67 million (Q1 2026), $27.45 million (Q4 2025) and $23.39 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | GE Vernova | 252.99 Bn | 214.06 Bn | 2.36 Bn |
| 2 | Bloom Energy | 81.25 Bn | 73.07 Bn | 355.57 Mn |
| 3 | First Solar | 18.82 Bn | 9.78 Bn | 605.00 Mn |
| 4 | BWX Technologies | 12.55 Bn | 10.85 Bn | 202.31 Mn |
| 5 | Generac Holdings | 12.21 Bn | 11.04 Bn | 521.81 Mn |
| 6 | Nextpower | 11.82 Bn | 7.71 Bn | 335.85 Mn |
| 7 | EnerSys | 6.67 Bn | 4.86 Bn | 313.36 Mn |
| 8 | Enphase Energy | 4.36 Bn | -500.13 Mn | 175.01 Mn |
| 9 | Mirion Technologies | 3.45 Bn | 1.34 Bn | 133.10 Mn |
| 10 | ESS Tech | 5.59 Mn | 5.59 Mn | -7.42 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 31.24 Mn |
| Mar 31, 2026 | 32.67 Mn |
| Dec 31, 2025 | 27.45 Mn |
| Sep 30, 2025 | 23.39 Mn |
| Jun 30, 2025 | 17.15 Mn |
| Mar 31, 2025 | 39.46 Mn |
| Dec 31, 2024 | 70.48 Mn |
| Sep 30, 2024 | 75.10 Mn |
| Jun 30, 2024 | 144.65 Mn |
| Mar 31, 2024 | 126.52 Mn |
| Dec 31, 2023 | 198.61 Mn |
| Sep 30, 2023 | 325.27 Mn |
| Jun 30, 2023 | 228.70 Mn |
| Mar 31, 2023 | 214.55 Mn |
| Dec 31, 2022 | 373.80 Mn |
| Sep 30, 2022 | 625.47 Mn |
| Jun 30, 2022 | 429.43 Mn |
| Mar 31, 2022 | 850.06 Mn |
| Dec 31, 2021 | 952.50 Mn |
| Sep 30, 2021 | 373.89 Mn |
API Access
ESS Tech Market Capitalization 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=market-capitalization&ticker=GWH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "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=market-capitalization&ticker=GWH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();