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T-Mobile US, Inc.

TMUSNasdaqRadiotelephone CommunicationsFiscal year ends December 31Also trades as TMUSI, TMUSL, TMUSZ
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 28, 2026Score 17/3019% below fair value
$160.15+3.71 (+2.37%)

Close on Nov 2, 2026Market cap $171.79BP/E 16.8Yield 2.37%

T-Mobile US M&A and Policy Customer Base Adjustments by Year

M&A and Policy Customer Base Adjustments (Annual) (k customers)

T-Mobile US M&A and Policy Customer Base Adjustments: 4,878 in FY2025, up 39.2% from a year earlier.

Latest, FY2025
4,878
Period ended Dec 31, 2025
Change on a year earlier
+39.2%
3,504 in FY2024
History
6 years
Since FY2020
Sources
5
Documents cited below

Where the FY2025 figure comes from

“|| Adjustments to customers (1) (2) (3) (4) | — | 3,504 | — | — | — | 97 | 4,781 | — | 3,504 | 4,878”

Source: TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗

Reported in T-Mobile Investor Factbook (Form 8-K EX-99.2) & Form 10-K / 10-Q.

Annual history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedM&A and Policy Customer Base Adjustments (Annual) (k customers)Year on yearSource
FY2025Dec 31, 20254,878+39.2%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
FY2024Dec 31, 20243,504+1,961.2%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
FY2023Dec 31, 2023170-109.1%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
FY2022Dec 31, 2022-1,878-329.6%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
FY2021Dec 31, 2021818-97.2%TMUS 2022 Q4 Investor Factbook (8-K_EX-99_2023-02-01_0001283699-23-000007_tmus12312022ex992.txt) ↗
FY2020Dec 31, 202029,228–TMUS 2021 Q4 Investor Factbook (8-K_EX-99_2022-02-02_0001283699-22-000009_tmus12312021ex992.txt) ↗

Cite this data

StockData. (2026). T-Mobile US M&A and Policy Customer Base Adjustments, annual FY2020–FY2025 [Data set]. Compiled from T-Mobile US SEC filings and investor materials. https://stockdatahq.com/stocks/tmus/kpis/sec-customer-base-adjustments-12

See every metric in the T-Mobile US KPI table. Data updated Oct 25, 2026.