T-Mobile US (TMUS) Interest & Investment Income (2009 - 2026)

T-Mobile US has disclosed Interest & Investment Income across 18 years of filings, most recently posting -$1.0 billion for Q1 2026.

• Interest & Investment Income for Q1 2026 came in at -$1.0 billion, down 12.55% year-over-year; the trailing twelve-month figure through Mar 2026 was -$3.9 billion (down 12.82% YoY), and the FY2025 annual result was -$3.8 billion, down 10.64% from the prior year.
• Interest & Investment Income came in at -$1.0 billion for Q1 2026 at T-Mobile US, down from -$1.0 billion in the prior quarter.
• In the past five years, Interest & Investment Income ranged from a high of -$790.0 million in Q3 2023 to a low of -$1.0 billion in Q1 2026.
• The 5-year median for Interest & Investment Income is -$854.0 million (2024), against an average of -$877.4 million.
• Across the five-year window, Interest & Investment Income grew 4.47% in 2023 and slipped 20.33% in 2025, its largest moves.
• T-Mobile US's Interest & Investment Income stood at -$822.0 million in 2022, then retreated by 3.28% to -$849.0 million in 2023, then grew by 0.94% to -$841.0 million in 2024, then decreased by 20.33% to -$1.0 billion in 2025, then dropped by 1.88% to -$1.0 billion in 2026.
• The last three Interest & Investment Income figures came in at -$1.0 billion (Q1 2026), -$1.0 billion (Q4 2025), and -$924.0 million (Q3 2025), per Business Quant data.