Zayo Group Holdings Inc., together with Arium Networks, announced the acquisition of Crown Castle International Corp.’s Fiber Solutions business and Small Cell business for $8.4 billion on May 1, 2026.

AcquirerZayo Group Holdings Inc., Arium Networks (US)
TargetCrown Castle’s Fiber Solutions business and Small Cell business (US)
Value$8.4 billion
TypeAcquisition
Close DateMay 1, 2026
Announcement DateMay 1, 2026
Buy-side AdvisorsPJT Partners, J.P. Morgan, UBS Investment Bank
Sell-side AdvisorsNot Disclosed
Legal (buy)Simpson Thacher & Bartlett
Legal (sell)Not Disclosed

The acquisition aims to expand Zayo’s fiber network and increase its market presence in the telecommunications sector. The deal is expected to enhance Zayo’s digital infrastructure capabilities, particularly for artificial intelligence applications.

Crown Castle’s Fiber Solutions business provides dark fiber services across a vast network of data centers and enterprise locations. The Small Cell business supports wireless carriers with densification solutions to improve network capacity in urban areas. With this transaction, Crown Castle streamlines its focus on tower assets while Zayo broadens its portfolio to include both fiber and small cell networks.

Financial details beyond the acquisition value were not disclosed by either party involved. The deal highlights an increasing trend in telecommunications where companies are consolidating resources to better serve the growing demand for high-speed data services, especially as AI technologies continue to advance.