Portillo’s Shares Rise on Dr Pepper Shake Launch

By EC Assets · Published 13 August 2026

Portillo’s stock advanced following the launch of its Dr Pepper shake collaboration. The restaurant chain introduced new milkshake and cake shake menu items on Tuesday. These new offerings are part of a collaboration with the Dr Pepper brand. The Dr Pepper shake is available for a limited time. It is made by blending ingredients to create a rich beverage. This collaboration provides fans with another treat this summer. Portillo’s also plans to test a breakfast menu at select locations this summer. One item on the breakfast menu test is a Portillo's pepper and egg sandwich. This article is intended for informational purposes only. It does not constitute investment advice.