As of October 2026 Rocket Lab has a market cap of ยฃ32.95 Billion. This makes Rocket Lab the world's 571th 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 Oct 10th, 2026 the market cap of Rocket Lab was reported to be: