TMUST-Mobile US, Inc.
Is the business good?
A genuinely good business: earnings fully cash-backed (2.1×) and margins widening.
Operating profit is fully backed by cash. Conversion is improving vs a year ago.
Operating profit is falling even as sales grow, costs are outrunning the top line.
A balanced mix of margins, efficiency, and leverage. ROE 19% = margin × turnover × leverage.
Unless marked, from derived.
Against the whole market›
Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.
Where this answer is blind. The F-score rewards improvement, so an already-elite company can score mid-pack.
How good a business is TMUS?
T-Mobile US, Inc. earns 24% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.
Return on invested capital · cost of capital 9.0% · 15 points above what the capital costs: growth creates value
- Operating margin
- 20%
Operating margin · Telecom Services median 14% · 12 months to Q2 2026
- Cash conversion
- 2.07×
Cash conversion · 1.72× a year ago · operating cash flow covers the operating profit after tax
- Share count, year on year
- −4.6%
Share count, year on year · bought back, each share owns more of the company
| Year | Operating margin |
|---|---|
| FY2020 | 9.7% |
| FY2021 | 8.6% |
| FY2022 | 8.2% |
| FY2023 | 18% |
| FY2024 | 22% |
| FY2025 | 21% |
Details›
- Operating margin12 months to Q2 2026
- 20%
- Net margin12 months to Q2 2026
- 11%
- Free cash flow margin
- 20%
- Revenue, trailing twelve months
- $92.2B
- Free cash flow, trailing twelve months
- $18.4B
- Net income, trailing twelve months
- $10.6B
- Return on invested capitaloperating profit after tax ÷ debt + equity − cash
- 24%
Margins, capital and share counts from the statements as filed with the SEC; cash conversion is operating cash flow over operating profit after tax.
Customers and suppliers
Who buys from TMUS and who it buys from, as the companies report it.
None disclosed.
- CCICrown Castle40%
TMUS is 40% of its revenue · FY2025 10-K
- SBACSBA Communications31%
TMUS is 31% of its revenue · FY2025 10-K
- DOXAmdocs Limited20%
TMUS is 20% of its revenue · FY2025 20-F
- AMTAmerican Tower18%
TMUS is 18% of its revenue · FY2025 10-K
A company has to disclose every customer behind 10% or more of its revenue. Each share comes from the latest annual report of the company that states it and shows on both companies’ pages; TMUS’s own figures are from its FY2025 10-K. Smaller customers and suppliers go unreported.