A US activist investor, Ancora, is urging Big Yellow Group, the UK self-storage company, to review its operations and consider exploring a sale, according to multiple reports.

Bloomberg and Investing.com say Ancora has built a stake in Big Yellow and is pressing the company to consider strategic options, including a potential sale, citing information from a presentation reviewed by Bloomberg. Investing.com reports that Big Yellow shares rise around 5% after the news. The reports do not specify the size of Ancora’s stake or provide details of any formal bid.

The outlets align on the core message: Ancora’s involvement and its call for Big Yellow to explore a sale. They differ mainly in emphasis, with Investing.com focusing on the immediate market reaction, and Bloomberg outlining the activist push based on the reviewed presentation. The Daily Mail and Mail Online also frame the story as a recommendation to consider putting the company up for sale, without adding further operational or financial specifics.