As of January 2026 Rocket Lab has a market cap of A$55.82 Billion. This makes Rocket Lab the world's 626th 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 31st, 2025 the market cap of Rocket Lab was reported to be: