Post Holdings is a consumer packaged goods company based in the United States. It specializes in the production and marketing of a variety of food products, including cereals, snacks, and protein supplements. The company operates several well-known brands, such as Grape-Nuts, Honey Bunches of Oats, and Erewhon. Founded in 1895, Post Holdings has grown through strategic acquisitions and expansions. It is publicly traded on the New York Stock Exchange under the ticker symbol POST. The company focuses on innovation and quality to meet the evolving needs of consumers in the food industry.