Market capitalization of ESS Tech (GWH)

Market cap: NZ$26.04 Million

As of September 2026 ESS Tech has a market cap of NZ$26.04 Million. This makes ESS Tech the world's 10845th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of ESS Tech from 2021 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$26.04 M	-58.65%
2025	NZ$63 M	-53.78%
2024	NZ$0.13 B	-56.29%
2023	NZ$0.31 B	-46.83%
2022	NZ$0.58 B	-75.79%
2021	NZ$2.42 B

End of Day market cap according to different sources

On Sep 17th, 2026 the market cap of ESS Tech was reported to be:

NZ$25.86 Million

by Nasdaq

NZ$25.61 Million

by CompaniesMarketCap

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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