FILE PHOTO: A logo of Blackstone is pictured in Manhattan, New York City, U.S. July 29, 2025. REUTERS/Mike Segar/File Photo

Dec 1 (Reuters) - Blackstone is "seriously contemplating" abandoning its bid for British self-storage company Big Yellow Group ahead of the upcoming deadline for a firm offer, Sky News reported on Monday, citing sources familiar with the matter.

Shares of Big Yellow fell 4.8% in afternoon trading.

Reuters could not immediately verify the report.

Blackstone declined to comment, while Big Yellow did not immediately respond to a Reuters request for comment.

(Reporting by Unnamalai L and Simone Lobo in Bengaluru; Editing by Maju Samuel)