T-Mobile US (TMUS) Market Capitalization (2009 - 2026)
T-Mobile US's Market Capitalization came in at $173.33 billion for Q3 2026, down 35.3% from $267.75 billion a year earlier and down 3.9% from the prior quarter.
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Analysis
T-Mobile US (TMUS) Market Capitalization (2009 - 2026) Analysis & Trends
For FY2025, T-Mobile US's Market Capitalization was $224.75 billion, down 11.0% from FY2024.
- Market Capitalization carries a five-year compound annual growth rate of 6.1% (FY2020 to FY2025).
- Going back by year, Market Capitalization was $252.64 billion in FY2024 (+31.8%), $191.72 billion in FY2023 (+11.0%), $172.75 billion in FY2022 (+19.2%) and $144.88 billion in FY2021 (-13.5%).
- The Q3 2026 figure represents the lowest quarterly Market Capitalization since Q3 2023.
- Year-over-year, Market Capitalization has declined for four consecutive quarters, with growth averaging 3.5% over the last eight quarters.
- The fastest year-over-year change in Market Capitalization over five years came in Q1 2025 (growth of 57.9%), and the weakest in Q3 2026 (a decline of 35.3%).
- Business Quant data shows TMUS's Market Capitalization at $180.28 billion (Q2 2026), $228.07 billion (Q1 2026) and $224.75 billion (Q4 2025) in the three quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Verizon Communications | 191.94 Bn | 159.58 Bn | 27.05 Bn |
| 2 | T-Mobile US | 179.71 Bn | 162.14 Bn | 15.13 Bn |
| 3 | At&T | 147.73 Bn | 105.17 Bn | 26.22 Bn |
| 4 | Grupo Televisa, S.A.B | 146.85 Bn | 139.98 Bn | 960.50 Mn |
| 5 | Comcast | 87.61 Bn | 53.57 Bn | - |
| 6 | Chunghwa Telecom | 37.88 Bn | 30.37 Bn | 728.80 Mn |
| 7 | Vodafone Group Public | 37.71 Bn | 5.95 Bn | - |
| 8 | EchoStar | 30.28 Bn | 11.36 Bn | 647.20 Mn |
| 9 | Bce | 20.18 Bn | 18.41 Bn | 11.61 Bn |
| 10 | Telefonica Brasil | 18.61 Bn | 12.64 Bn | 1.42 Bn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 173.33 Bn |
| Jun 30, 2026 | 180.28 Bn |
| Mar 31, 2026 | 228.07 Bn |
| Dec 31, 2025 | 224.75 Bn |
| Sep 30, 2025 | 267.75 Bn |
| Jun 30, 2025 | 268.63 Bn |
| Mar 31, 2025 | 303.34 Bn |
| Dec 31, 2024 | 252.64 Bn |
| Sep 30, 2024 | 240.33 Bn |
| Jun 30, 2024 | 205.56 Bn |
| Mar 31, 2024 | 192.15 Bn |
| Dec 31, 2023 | 191.72 Bn |
| Sep 30, 2023 | 162.74 Bn |
| Jun 30, 2023 | 163.96 Bn |
| Mar 31, 2023 | 174.49 Bn |
| Dec 31, 2022 | 172.75 Bn |
| Sep 30, 2022 | 167.73 Bn |
| Jun 30, 2022 | 168.71 Bn |
| Mar 31, 2022 | 160.87 Bn |
| Dec 31, 2021 | 144.88 Bn |
API Access
T-Mobile US Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=TMUS&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "TMUS", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=TMUS&period=max&api_key=YOUR_API_KEY");
const data = await res.json();