As of January 2026 Rocket Lab has a market cap of NZ$79.05 Billion. This makes Rocket Lab the world's 536th 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 Jan 9th, 2026 the market cap of Rocket Lab was reported to be: