As of December 2025 Post Holdings has a market cap of ยฃ3.95 Billion. This makes Post Holdings the world's 2965th 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 8th, 2025 the market cap of Post Holdings was reported to be: