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 Fiber Net Customer Additions by Quarter

Name: T-Mobile US Fiber Net Customer Additions by Quarter (TMUS)
Creator: T-Mobile US

Fiber Net Customer Additions (Legacy) (k customers)

Quarterly Annual

T-Mobile US Fiber Net Customer Additions: 63 in Q4 2025, up 1,475.0% from a year earlier.

Latest, Q4 2025

Period ended Dec 31, 2025

Change on a year earlier

+1,475.0%

4 in Q4 2024

History

7 quarters

Since Q2 2024

Sources

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

Where the Q4 2025 figure comes from

“|| Fiber customers | — | 1 | 3 | 4 | 3 | 16 | 54 | 63 | 8 | 136”

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

Period	Ended	Fiber Net Customer Additions (Legacy) (k customers)	Year on year	Source
Q4 2025	Dec 31, 2025	63	+1,475.0%	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q3 2025	Sep 30, 2025	54	+1,700.0%	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q2 2025	Jun 30, 2025	16	+1,500.0%	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q1 2025	Mar 31, 2025	3	–	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q4 2024	Dec 31, 2024	4	–	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q3 2024	Sep 30, 2024	3	–	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗
Q2 2024	Jun 30, 2024	1	–	TMUS 2025 Q4 Investor Factbook (8-K_EX-99_2026-02-11_0001283699-26-000007_tmus12312025ex992.txt) ↗

Cite this data

StockData. (2026). T-Mobile US Fiber Net Customer Additions, quarterly Q2 2024–Q4 2025 [Data set]. Compiled from T-Mobile US SEC filings and investor materials. https://stockdatahq.com/stocks/tmus/kpis/sec-fiber-net-adds-32

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