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finance.foundation / Companies / T-Mobile US (TMUS)
Company · Communication Services · Wireless telecommunications

T-Mobile US (TMUS)

One of the three big US wireless carriers, majority-owned by Deutsche Telekom, with the leading standalone 5G network built partly on Sprint spectrum acquired in 2020.

Legal name
T-Mobile US, Inc.
Ticker
TMUS
Exchange
Nasdaq Stock Market · MIC XNAS
Country
United States
Sector
Communication Services
Industry
Wireless telecommunications
Market cap ≈
$194.6bn — computed, not copied: 1.073bn shares × $181.37 close on 2026-08-28
Reporting currency
USD
Founded
1994
Website
www.t-mobile.com
LEI
549300QHIJYOHPACPG31 (GLEIF)
ISIN
US8725901040 (check digit validated)
FIGI
BBG001SKR9Y6 (share class, OpenFIGI)

Graph connections view in graph →

lists_onNasdaq Stock Market
domiciled_inUnited States member_ofS&P 500
Nasdaq-100

Sector peers — Communication Services

Compare: TMUS vs GOOGL · TMUS vs META · TMUS vs 0700

How this market cap is arrived at

Shares outstanding1,072,671,613
Basisoutstanding
As of2026-06-30
SourceSEC 10-Q cover page (2026-06-30)
Price181.37 USD · TMUS · close 2026-08-28
VenueNasdaqGS
Market cap$194.6bn

US-domiciled, no ADR (T-Mobile US itself is US-listed; its parent Deutsche Telekom is the one with an ADR, a separate company). Single class. Free float: Deutsche Telekom AG holds a controlling majority — the Q2 2026 10-Q discloses that $593m of the $1.1bn quarterly dividend was paid to DT, implying a stake of roughly 54%. Total market cap on shares outstanding is correct, but float-adjusted index weight is roughly half that.

Share counts move on a filing cadence, prices move continuously — so this figure is exact only as of the two dates above, and we publish both rather than a single undated number. Provenance.

Fundamentals

From the 10-K for the year ended 2025-12-31USDAs reported
Revenueus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax $88.3bn
Operating incomeus-gaap:OperatingIncomeLoss $18.3bn
Net incomeus-gaap:NetIncomeLoss $11.0bn
Total assetsus-gaap:Assets $219.2bn
Shareholders' equityus-gaap:StockholdersEquity $59.2bn
Cash & equivalentsus-gaap:CashAndCashEquivalentsAtCarryingValue $5.6bn

Net margin 12.4% — net income divided by revenue, both from this same filing.
Market cap / net income 17.7× — a market value from 2026-08-28 divided by earnings for a year that ended 2025-12-31. The two dates are far apart on purpose: this is arithmetic on two published numbers, not a valuation.

Every figure above is read from the same 10-K, filed 2026-02-11, and each row names the XBRL tag it came from so it can be checked against the document. Metrics absent from that filing are absent here rather than sourced from a different year — a table mixing periods is individually true and collectively meaningless.

Identifier crosswalk

StandardValueWhat it answers
Ticker TMUS Venue-local shorthand — ambiguous across markets
MIC XNAS ISO 10383 — the venue
ISIN US8725901040 ISO 6166 — the security
LEI 549300QHIJYOHPACPG31 ISO 17442 — the legal entity
FIGI BBG001SKR9Y6 OpenFIGI — instrument, share class
CUSIP 872590104 Derived from the US/CA ISIN, check digit verified — licensed identifier, not republished as data

6 naming systems for one entity — only codes we actually hold are listed, with no gaps filled by guessing. Sources: LEI from GLEIF (CC0), ISIN read from the issuer's own primary listing document, with its ISO 6166 check digit validated, FIGI from OpenFIGI (open standard), MIC from the ISO 10383 registry. CUSIP appears because it is arithmetically embedded in US and Canadian ISINs — we derive and verify it from a code we already hold, and we do not redistribute CUSIP Global Services data. Each linked code opens its reverse-lookup page; the validator checks any code's check digit. seed-0.7 · marketcap-1 · 2026-08-30.

Approximate reference values from public sources · seed-0.7 · marketcap-1 · 2026-08-30 · not real-time. See data & methodology.

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