As of December 2025 Post Holdings has a market cap of โน488.52 Billion. This makes Post Holdings the world's 2944th 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 15th, 2025 the market cap of Post Holdings was reported to be: