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T-Mobile deepens broadband push with new fiber joint ventures

By Thomson Reuters Apr 28, 2026 | 8:58 AM

April 28 (Reuters) – T-Mobile said on Tuesday it signed deals to form two joint ventures with Oak ​Hill Capital and Wren House, ‌expanding its fiber internet business to complement its fast-growing broadband and core wireless base.

• T-Mobile and Oak Hill will form a ‌joint ​venture to combine two ⁠of the private ⁠equity firm’s existing fiber portfolio companies, GoNetspeed and Greenlight.

• T-Mobile expects to invest around $2 billion for a 50% stake ​in the Oak Hill JV after it closes in the first ⁠half of 2027.

• ⁠The venture with global infrastructure ​investment manager Wren House will include acquisition ​of i3 Broadband, a regional fiber ‌internet provider serving parts of Illinois, Missouri and Rhode Island.

• T-Mobile expects to invest about $700 million for a ⁠50% stake in this JV after it closes in the second half of 2026.

• Together, ⁠the partnerships ‌will extend T-Mobile’s fiber ⁠footprint to more than 1 ​million ‌additional homes nationwide, supporting its ​target of ⁠18 million to 19 million broadband customers by 2030, including 3 million to 4 million on fiber.

(Reporting by Harshita Mary Varghese in Bengaluru; Editing by ​Mrigank Dhaniwala)