As of August 2026 Rocket Lab has a market cap of NZ$86.20 Billion. This makes Rocket Lab the world's 499th 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 Aug 18th, 2026 the market cap of Rocket Lab was reported to be: