Post Holdings, Inc. operates as a consumer packaged goods holding company in the United States and internationally. It operates through four segments: Post Consumer Brands, Weetabix, Foodservice, and Refrigerated Retail. The Post Consumer Brands segment manufactures, markets, and sells branded and private label ready-to-eat (RTE) cereals under Honey Bunches of Oats, Pebbles, and Malt-O-Meal brands; hot cereal; peanut butter under the Peter Pan brand; and branded and private label pet food under Rachael Ray Nutrish, Nature’s Recipe, 9Lives, Kibbles ’n Bits and Gravy Train brands.