As of February 2026 Castellum has a market cap of S$98.9 Million. This makes Castellum the world's 9465th 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 14th, 2026 the market cap of Castellum was reported to be: