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Activist investor Starboard takes stake in Shake Shack, source says

By Thomson Reuters Aug 5, 2026 | 11:42 AM

Aug 5 (Reuters) – Activist investor Starboard Value has built a new stake in Shake Shack, a source familiar with ​the matter told Reuters on ‌Wednesday, sending the company’s shares up about 9%.

Earlier in the day, the burger chain had reported second-quarter sales and profit above Wall Street estimates, ‌driven ​by strong demand for ⁠value meals as consumers ⁠face rising costs of living.

The results were a contrast to its prior quarter when its shares cratered 30% after ​it reported a quarterly loss and warned of weak consumer spending. The company, ⁠which has a market ⁠capitalization of $2.83 billion, at the ​time also named its new financial head.

“We appreciate ​the investment in our company and ‌the confidence expressed in the quality of our brand and the strength of our operations,” Shake Shack said in a statement ⁠to Reuters.

Starboard Value previously made investments in other restaurant companies such as french fry supplier Lamb ⁠Weston ‌as well as coffee chain ⁠Starbucks.

Bloomberg was the first to report ​that ‌Starboard has taken a position ​of several ⁠hundred million dollars in Shake Shack.

Starboard did not immediately respond to a request for comment.

(Reporting by Koyena Das and Svea Herbst-Bayliss; additional reporting by Savyata Mishra; Editing by ​Shailesh Kuber)