Is TreeHouse Foods Inc. (NYSE: THS ) a good stock to buy? One of the funds tracked by Insider Monkey, Wedgewood Capital, sold its entire stake in TreeHouse Foods Inc. (NYSE: THS ) during the third quarter. TreeHouse Foods is engaged in the packaged foods and beverages business focused on private label products for both retail grocery and food away from home customers. Wedgewood Capital recently released its 2017 Q3 investor letter (you can download a copy here ) in which it discussed its investment thesis on TreeHouse Foods Inc. Here is what the investor said about the food processing company: