With stock buybacks of $12.63 billion in the 12 months through September 2025, T-Mobile US, Inc. (NASDAQ:TMUS) is among the 20 Stocks with the Biggest Share Buybacks. T-Mobile US, Inc. (NASDAQ:TMUS) announced on April 28 definitive agreements to form two strategic fiber joint ventures: a 50/50 partnership with Oak Hill Capital to acquire and combine GoNetspeed and Greenlight Networks, and a separate 50/50 venture with Wren House to acquire i3 Broadband. These transactions expand T-Mobile’s fiber footprint ...