As of December 2025 Energy Vault has a market cap of HK$6.24 Billion. This makes Energy Vault the world's 6357th 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.
On Dec 19th, 2025 the market cap of Energy Vault was reported to be: