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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 Total Net Customer Additions by Quarter

Total Net Customer Additions (Legacy) (k customers)

QuarterlyAnnual

T-Mobile US Total Net Customer Additions: 2,439 in Q4 2025, up 19.8% from a year earlier. That is the highest of the 40 quarters on record here.

Latest, Q4 2025
2,439
Period ended Dec 31, 2025
Change on a year earlier
+19.8%
2,036 in Q4 2024
History
40 quarters
Since Q1 2016
Sources
9
Documents cited below

Where the Q4 2025 figure comes from

“|| Total net customer additions | 1,172 | 1,517 | 1,599 | 2,036 | 1,382 | 1,771 | 2,390 | 2,439 | 6,324 | 7,982”

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.

Quarterly history

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

PeriodEndedTotal Net Customer Additions (Legacy) (k customers)Year on yearSource
Q4 2025Dec 31, 20252,439+19.8%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q3 2025Sep 30, 20252,390+49.5%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q2 2025Jun 30, 20251,771+16.7%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q1 2025Mar 31, 20251,382+17.9%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q4 2024Dec 31, 20242,036+25.4%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q3 2024Sep 30, 20241,599+22.5%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q2 2024Jun 30, 20241,517-10.0%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q1 2024Mar 31, 20241,172-11.1%TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q4 2023Dec 31, 20231,623-11.9%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q3 2023Sep 30, 20231,305-24.7%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q2 2023Jun 30, 20231,685-6.5%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q1 2023Mar 31, 20231,319-4.4%TMUS 2024 Q4 Investor Factbook (8-K_EX-99_2025-01-29_0001283699-25-000008_tmus12312024ex992.txt) ↗
Q4 2022Dec 31, 20221,843+2.4%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q3 2022Sep 30, 20221,732+30.7%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q2 2022Jun 30, 20221,802+33.3%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗
Q1 2022Mar 31, 20221,380+1.4%TMUS 2023 Q4 Investor Factbook (8-K_EX-99_2024-01-25_0001283699-24-000004_tmus12312023ex992.txt) ↗

Breakdown

What makes up total Net Customer Additions

Cite this data

StockData. (2026). T-Mobile US Total Net Customer Additions, quarterly Q1 2016–Q4 2025 [Data set]. Compiled from T-Mobile US SEC filings and investor materials. https://stockdatahq.com/stocks/tmus/kpis/sec-total-net-customer-adds-19

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