Post Holdings, Inc. operates as a consumer packaged goods holding company in the United States and internationally. It operates through Post Consumer Brands, Weetabix, Foodservice, and Refrigerated Retail segments. 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.