As of February 2026 Castellum has a market cap of A$0.12 Billion. This makes Castellum the world's 9360th 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 Feb 21st, 2026 the market cap of Castellum was reported to be: