As of March 2026 Rocket Lab has a market cap of ยฃ29.74 Billion. This makes Rocket Lab the world's 603th 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 Mar 18th, 2026 the market cap of Rocket Lab was reported to be: