T-Mobile US (TMUS) Market Cap 2007–2026

As of November 13, 2026, T-Mobile US had a market cap of $180.63 billion, which decreased by 0.63% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Nov 13, 2026, 4:00 PM ET

T-Mobile US Inc. (TMUS)

🌍 United States 📈 NASDAQ 🏭 Communication Services 🏢 Wireless Telecommunication Services

Latest Market Cap

$180.63B ▼ 0.63%

Start of 2026

$227.1B ▼ 20.46%

1 Year Ago

$240B ▼ 24.74%

All-Time High

$311.5B ▼ 42.01%

Loading data...

Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 T-Mobile US Market Cap History by Year and Month

T-Mobile US Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$180.63B	▼ 20.46%
November 13, 2026	$180.63B	▲ 8.64%
October 30, 2026	$166.27B	▼ 5.14%
September 30, 2026	$175.28B	▼ 9.62%
August 31, 2026	$193.94B	▲ 4.48%
July 31, 2026	$185.63B	▲ 1.92%
June 30, 2026	$182.13B	▼ 10.26%
May 29, 2026	$202.95B	▼ 4.07%
April 30, 2026	$211.57B	▼ 8.58%
March 31, 2026	$231.42B	▼ 3.25%
February 27, 2026	$239.2B	▲ 8.44%
January 30, 2026	$220.58B	▼ 2.87%
2025	$227.1B	▼ 10.14%
December 31, 2025	$227.1B	▼ 2.86%
November 28, 2025	$233.78B	▼ 0.49%
October 31, 2025	$234.94B	▼ 12.79%
September 30, 2025	$269.4B	▼ 5.00%
August 29, 2025	$283.59B	▲ 5.69%
July 31, 2025	$268.31B	▼ 0.12%
June 30, 2025	$268.63B	▼ 2.32%
May 30, 2025	$275B	▼ 1.93%
April 30, 2025	$280.4B	▼ 7.56%
March 31, 2025	$303.34B	▼ 1.49%
February 28, 2025	$307.92B	▲ 15.76%
January 31, 2025	$265.99B	▲ 5.24%
2024	$252.736B	▲ 30.82%
December 31, 2024	$252.736B	▼ 11.77%
November 29, 2024	$286.45B	▲ 10.66%
October 31, 2024	$258.866B	▲ 7.68%
September 30, 2024	$240.409B	▲ 3.67%
August 30, 2024	$231.906B	▲ 9.02%
July 31, 2024	$212.721B	▲ 2.76%
June 28, 2024	$207.011B	▲ 0.70%
May 31, 2024	$205.578B	▲ 6.85%
April 30, 2024	$192.407B	▼ 0.69%
March 28, 2024	$193.742B	▼ 0.05%
February 29, 2024	$193.837B	▲ 1.28%
January 31, 2024	$191.38B	▼ 0.94%
2023	$193.198B	▲ 10.93%
December 29, 2023	$193.198B	▲ 11.08%
November 30, 2023	$173.92B	▲ 4.58%
October 31, 2023	$166.302B	▲ 0.97%
September 29, 2023	$164.699B	▲ 2.79%
August 31, 2023	$160.23B	▼ 1.10%
July 31, 2023	$162.018B	▼ 1.15%
June 30, 2023	$163.902B	▼ 0.48%
May 31, 2023	$164.7B	▼ 4.62%
April 28, 2023	$172.68B	▼ 1.06%
March 31, 2023	$174.532B	▲ 0.70%
February 28, 2023	$173.317B	▼ 5.93%
January 31, 2023	$184.249B	▲ 5.79%
2022	$174.16B	▲ 20.23%
December 30, 2022	$174.16B	▼ 7.57%
November 30, 2022	$188.416B	▼ 0.07%
October 31, 2022	$188.541B	▲ 12.42%
September 30, 2022	$167.712B	▼ 7.10%
August 31, 2022	$180.526B	▲ 0.63%
July 29, 2022	$179.397B	▲ 6.33%
June 30, 2022	$168.713B	▲ 0.94%
May 31, 2022	$167.146B	▲ 8.24%
April 29, 2022	$154.418B	▼ 3.98%
March 31, 2022	$160.823B	▲ 4.51%
February 28, 2022	$153.889B	▲ 13.90%
January 31, 2022	$135.104B	▼ 6.73%
2021	$144.859B	▼ 13.51%
December 31, 2021	$144.859B	▲ 6.59%
November 30, 2021	$135.904B	▼ 5.41%
October 29, 2021	$143.672B	▼ 9.96%
September 30, 2021	$159.572B	▼ 6.68%
August 31, 2021	$171.001B	▼ 4.86%
July 30, 2021	$179.737B	▼ 0.56%
June 30, 2021	$180.748B	▲ 2.47%
May 28, 2021	$176.388B	▲ 7.05%
April 30, 2021	$164.766B	▲ 5.46%
March 31, 2021	$156.237B	▲ 4.77%
February 26, 2021	$149.123B	▼ 4.77%
January 29, 2021	$156.591B	▼ 6.50%
2020	$167.484B	▲ 149.70%
December 31, 2020	$167.484B	▲ 1.52%
November 30, 2020	$164.979B	▲ 21.33%
October 30, 2020	$135.976B	▼ 4.11%
September 30, 2020	$141.806B	▼ 3.39%
August 31, 2020	$146.783B	▲ 10.51%
July 31, 2020	$132.829B	▲ 3.10%
June 30, 2020	$128.834B	▲ 4.39%
May 29, 2020	$123.421B	▲ 13.94%
April 30, 2020	$108.32B	▲ 50.20%
March 31, 2020	$72.115B	▼ 6.49%
February 28, 2020	$77.118B	▲ 13.85%
January 31, 2020	$67.735B	▲ 0.98%
2019	$67.075B	▲ 24.26%
December 31, 2019	$67.075B	— 0.01%
November 29, 2019	$67.081B	▼ 4.97%
October 31, 2019	$70.591B	▲ 4.94%
September 30, 2019	$67.268B	▲ 1.05%
August 30, 2019	$66.567B	▼ 2.11%
July 31, 2019	$68B	▲ 7.56%
June 28, 2019	$63.221B	▲ 0.95%
May 31, 2019	$62.624B	▲ 0.62%
April 30, 2019	$62.24B	▲ 6.14%
March 29, 2019	$58.642B	▼ 4.31%
February 28, 2019	$61.281B	▲ 3.73%
January 31, 2019	$59.08B	▲ 9.45%
2018	$53.98B	▲ 2.35%
December 31, 2018	$53.98B	▼ 6.87%
November 30, 2018	$57.965B	▼ 0.15%
October 31, 2018	$58.05B	▼ 2.19%
September 28, 2018	$59.349B	▲ 6.27%
August 31, 2018	$55.848B	▲ 10.07%
July 31, 2018	$50.74B	▲ 0.46%
June 29, 2018	$50.506B	▲ 7.27%
May 31, 2018	$47.082B	▼ 7.95%
April 30, 2018	$51.148B	▼ 1.75%
March 29, 2018	$52.058B	▲ 0.71%
February 28, 2018	$51.691B	▼ 7.44%
January 31, 2018	$55.844B	▲ 5.89%
2017	$52.74B	▲ 11.50%
December 29, 2017	$52.74B	▲ 4.00%
November 30, 2017	$50.714B	▲ 2.18%
October 31, 2017	$49.634B	▼ 2.96%
September 29, 2017	$51.148B	▼ 4.71%
August 31, 2017	$53.678B	▲ 4.95%
July 31, 2017	$51.148B	▲ 1.72%
June 30, 2017	$50.283B	▼ 10.07%
May 31, 2017	$55.912B	▲ 0.22%
April 28, 2017	$55.787B	▲ 4.15%
March 31, 2017	$53.562B	▲ 3.83%
February 28, 2017	$51.587B	▲ 0.44%
January 31, 2017	$51.362B	▲ 8.58%
2016	$47.302B	▲ 48.02%
December 30, 2016	$47.302B	▲ 6.09%
November 30, 2016	$44.588B	▲ 9.01%
October 31, 2016	$40.903B	▲ 6.44%
September 30, 2016	$38.427B	▲ 0.98%
August 31, 2016	$38.055B	— 0.00%
July 29, 2016	$38.055B	▲ 7.10%
June 30, 2016	$35.532B	▲ 1.26%
May 31, 2016	$35.092B	▲ 8.86%
April 29, 2016	$32.236B	▲ 2.57%
March 31, 2016	$31.428B	▲ 3.70%
February 29, 2016	$30.307B	▼ 7.59%
January 29, 2016	$32.798B	▲ 2.63%
2015	$31.956B	▲ 47.18%
December 31, 2015	$31.956B	▲ 10.51%
November 30, 2015	$28.916B	▼ 6.31%
October 30, 2015	$30.863B	▼ 4.82%
September 30, 2015	$32.426B	▲ 0.65%
August 31, 2015	$32.217B	▼ 2.58%
July 31, 2015	$33.071B	▲ 4.88%
June 30, 2015	$31.532B	▲ 0.26%
May 29, 2015	$31.451B	▲ 14.22%
April 30, 2015	$27.536B	▲ 7.43%
March 31, 2015	$25.63B	▼ 3.76%
February 27, 2015	$26.632B	▲ 9.49%
January 30, 2015	$24.324B	▲ 12.03%
2014	$21.713B	▼ 19.36%
December 31, 2014	$21.713B	▼ 7.69%
November 28, 2014	$23.523B	— 0.00%
October 31, 2014	$23.523B	▲ 1.11%
September 30, 2014	$23.264B	▼ 4.01%
August 29, 2014	$24.235B	▼ 8.68%
July 31, 2014	$26.539B	▼ 2.02%
June 30, 2014	$27.086B	▼ 1.56%
May 30, 2014	$27.514B	▲ 17.21%
April 30, 2014	$23.474B	▼ 11.31%
March 31, 2014	$26.468B	▲ 8.34%
February 28, 2014	$24.429B	▼ 0.23%
January 31, 2014	$24.486B	▼ 9.06%
2013	$26.925B	▲ 644.53%
December 31, 2013	$26.925B	▲ 42.32%
November 29, 2013	$18.918B	▼ 6.20%
October 31, 2013	$20.169B	▲ 6.86%
September 30, 2013	$18.875B	▲ 11.44%
August 30, 2013	$16.938B	▼ 3.15%
July 31, 2013	$17.489B	▼ 2.59%
June 28, 2013	$17.954B	▲ 15.77%
May 31, 2013	$15.508B	▲ 254.38%
April 30, 2013	$4.376B	▲ 9.33%
March 28, 2013	$4.002B	▲ 11.22%
February 28, 2013	$3.599B	▼ 2.29%
January 31, 2013	$3.683B	▲ 1.84%
2012	$3.616B	▲ 15.22%
December 31, 2012	$3.616B	▼ 6.56%
November 30, 2012	$3.87B	▲ 4.31%
October 31, 2012	$3.711B	▼ 12.65%
September 28, 2012	$4.248B	▲ 20.35%
August 31, 2012	$3.53B	▲ 11.07%
July 31, 2012	$3.178B	▲ 44.89%
June 29, 2012	$2.193B	▼ 5.47%
May 31, 2012	$2.32B	▼ 12.33%
April 30, 2012	$2.646B	▼ 19.02%
March 30, 2012	$3.268B	▼ 12.43%
February 29, 2012	$3.732B	▲ 16.66%
January 31, 2012	$3.199B	▲ 1.91%
2011	$3.139B	▼ 29.89%
December 30, 2011	$3.139B	▲ 3.58%
November 30, 2011	$3.03B	▼ 1.41%
October 31, 2011	$3.074B	▼ 2.40%
September 30, 2011	$3.149B	▼ 21.90%
August 31, 2011	$4.032B	▼ 31.45%
July 29, 2011	$5.882B	▼ 5.30%
June 30, 2011	$6.211B	▼ 3.10%
May 31, 2011	$6.41B	▲ 6.36%
April 29, 2011	$6.027B	▲ 3.80%
March 31, 2011	$5.806B	▲ 13.16%
February 28, 2011	$5.131B	▲ 11.48%
January 31, 2011	$4.603B	▲ 2.82%
2010	$4.476B	▲ 66.64%
December 31, 2010	$4.476B	▲ 4.14%
November 30, 2010	$4.298B	▲ 16.83%
October 29, 2010	$3.679B	▼ 0.56%
September 30, 2010	$3.7B	▲ 17.15%
August 31, 2010	$3.158B	▼ 0.11%
July 30, 2010	$3.162B	▲ 9.37%
June 30, 2010	$2.891B	▼ 8.79%
May 28, 2010	$3.169B	▲ 17.82%
April 30, 2010	$2.69B	▲ 7.84%
March 31, 2010	$2.494B	▲ 14.82%
February 26, 2010	$2.172B	▲ 9.59%
January 29, 2010	$1.982B	▼ 26.21%
2009	$2.686B	▼ 48.25%
December 31, 2009	$2.686B	▲ 21.22%
November 30, 2009	$2.216B	▲ 1.12%
October 30, 2009	$2.191B	▼ 33.41%
September 30, 2009	$3.291B	▲ 17.63%
August 31, 2009	$2.798B	▼ 32.83%
July 31, 2009	$4.165B	▼ 10.95%
June 30, 2009	$4.678B	▼ 22.24%
May 29, 2009	$6.015B	▲ 0.23%
April 30, 2009	$6.001B	▲ 0.29%
March 31, 2009	$5.984B	▲ 17.79%
February 27, 2009	$5.08B	▲ 6.70%
January 30, 2009	$4.761B	▼ 8.27%
2008	$5.191B	▼ 23.19%
December 31, 2008	$5.191B	▲ 1.43%
November 28, 2008	$5.117B	▲ 6.55%
October 31, 2008	$4.803B	▼ 1.76%
September 30, 2008	$4.889B	▼ 17.03%
August 29, 2008	$5.892B	▲ 1.44%
July 31, 2008	$5.808B	▼ 6.09%
June 30, 2008	$6.185B	▼ 16.28%
May 30, 2008	$7.388B	▲ 8.15%
April 30, 2008	$6.832B	▲ 15.62%
March 31, 2008	$5.909B	▲ 6.63%
February 29, 2008	$5.542B	▼ 12.27%
January 31, 2008	$6.317B	▼ 6.53%
2007	$6.758B	N/A
December 31, 2007	$6.758B	▲ 13.96%
November 30, 2007	$5.93B	▼ 24.00%
October 31, 2007	$7.803B	▼ 17.39%
September 28, 2007	$9.445B	▼ 0.04%
August 31, 2007	$9.449B	▼ 25.48%
July 31, 2007	$12.679B	▲ 10.43%
June 29, 2007	$11.481B	N/A

All market cap values reflect closing prices for the period shown.

📊 T-Mobile US Market Cap and Other Industry Peers

Below are selected companies for comparison based on industry, sub-industry, and sector:

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.