Telephone & Data Systems market cap TDS

Share price times shares outstanding: what the whole company sells for, since 2010.

Telephone & Data Systems is worth $4.1B at the close on Oct 23, 2026, at $35.33 a share.

That is down 9% over the last year and up 89% over five years.

Its highest close in our data was $5.5B in Feb 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$4.1B	$3.8B	$5.5B	−13%
2025	$4.6B	$3.7B	$4.7B	+18%
2024	$3.9B	$1.6B	$4B	+90%
2023	$2.1B	$757.6M	$2.4B	+74%
2022	$1.2B	$1.1B	$2.4B	−48%
2021	$2.3B	$2B	$3B	+9%
2020	$2.1B	$1.9B	$2.9B	−26%
2019	$2.9B	$2.5B	$4.1B	−22%
2018	$3.6B	$2.7B	$4B	+18%
2017	$3.1B	$2.8B	$3.5B	−3%
2016	$3.2B	$2.4B	$3.5B	+13%
2015	$2.8B	$2.5B	$3.3B	+6%
2014	$2.7B	$2.4B	$3B	−7%
2013	$2.9B	$2.2B	$3.3B	+21%
2012	$2.4B	$2.1B	$3B	−4%
2011	$2.5B	$2B	$3.5B	−30%
2010	$3.5B	$1.4B	$3.6B	n/a

Companies in Telecommunications Services nearest Telephone & Data Systems' size, closest first, today.

Company	Market cap
TDSTelephone & Data Systems	$4.1B
IRDMIridium Communications	$4.7B
ADArray Digital Infrastructure	$2.9B
CALXCalix	$2.3B
IDTIDT	$2B
ATEXAnterix	$1.5B
CHTRCharter Communications	$13B
Peer median	$2.6B

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

Valuation data, not investment advice. Prices as of Oct 23, 2026. Reported figures come from the company's filings with the SEC.