TDS (Telephone and Data Systems) Market Cap: $4,233 Mil (As of Jun. 25, 2026)


TDS Telephone and Data Systems Inc TDS
64 GF Score
Price $37.18
GF Value $32.86
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Telephone and Data Systems Market Cap?

Telephone and Data Systems TDS -0.99% 64 Market Cap is $4,233 Mil as of Jun. 25, 2026. GuruFocus rates TDS with a GF Score™ of 64/100 and a GF Value™ of $32.86 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 379 Telecommunication Services companies, Telephone and Data Systems ranks better than 76.52% on this metric.

Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Telephone and Data Systems's share price for the quarter that ended in Mar. 2026 was $42.1. Telephone and Data Systems's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 114 Mil. Therefore, Telephone and Data Systems's market cap for the quarter that ended in Mar. 2026 was $4,793 Mil.

Telephone and Data Systems's quarterly market cap increased from Sep. 2025 ($4,534 Mil) to Dec. 2025 ($4,665 Mil) and increased from Dec. 2025 ($4,665 Mil) to Mar. 2026 ($4,793 Mil).

Telephone and Data Systems's annual market cap increased from Dec. 2023 ($2,083 Mil) to Dec. 2024 ($3,907 Mil) and increased from Dec. 2024 ($3,907 Mil) to Dec. 2025 ($4,665 Mil).

Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Telephone and Data Systems's Enterprise Value for Today is $5,534 Mil.


Telephone and Data Systems  (NYSE:TDS) Market Cap Explanation

Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the company’s debt. The real price you pay is the Enterprise Value.

Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.


Telephone and Data Systems Market Cap Related Terms


Telephone and Data Systems Market Cap Historical Data

* Premium members only.

The historical data trend for Telephone and Data Systems's Market Cap can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Telephone and Data Systems Market Cap Chart

Telephone and Data Systems Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Market Cap
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2,317.25 1,174.88 2,083.06 3,906.93 4,665.10

Telephone and Data Systems Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Market Cap Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 4,424.42 4,091.70 4,533.95 4,665.10 4,793.09

TDS vs AD, LBTYA, LBRDA: Market Cap Comparison

For the Telecom Services subindustry, Telephone and Data Systems's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Telephone and Data Systems Market Cap vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, Telephone and Data Systems's Market Cap distribution charts can be found below:

* The bar in red indicates where Telephone and Data Systems's Market Cap falls into.


TDS
64GF Score
Telephone and Data Systems Inc TDS
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Telephone and Data Systems Market Cap Calculation

Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.

Telephone and Data Systems's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as

Market Cap (A: Dec. 2025 )=Share Price (A: Dec. 2025 )*Shares Outstanding (EOP) (A: Dec. 2025 )
=$41*113.783
=$4,665

Telephone and Data Systems's Market Cap for the quarter that ended in Mar. 2026 is calculated as

Market Cap (Q: Mar. 2026 )=Share Price (Q: Mar. 2026 )*Shares Outstanding (EOP) (Q: Mar. 2026 )
=$42.1*113.850
=$4,793

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Market Cap →
What does a Market Cap of $4,233 Mil mean?
Telephone and Data Systems (TDS) has a Market Cap of $4,233 Mil as of Jun. 25, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Telephone and Data Systems and its competitors. According to the industry distribution chart, Telephone and Data Systems ranks #89 out of 379 companies in the Telecommunication Services industry, placing it in the top 23.5%.
Is Telephone and Data Systems' Market Cap too high?
Telephone and Data Systems' current Market Cap is $4,233 Mil. The Telecommunication Services industry median Market Cap is 494.74. Telephone and Data Systems' value of $4,233 Mil is 755.6% above this industry median. Based on the distribution chart, Telephone and Data Systems ranks #89 out of 379 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, Telephone and Data Systems has a GF Score™ of 64/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Telephone and Data Systems' Market Cap compare to AD and LBTYA?
According to the Telecommunication Services industry distribution chart, Telephone and Data Systems ranks #89 out of 379 companies for Market Cap. This places Telephone and Data Systems in the top 24% of its industry — outperforming the majority of peers. The industry median Market Cap is 494.74. Telephone and Data Systems' value of $4,233 Mil is 755.6% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Telecommunication Services company?
The median Market Cap among Telecommunication Services companies is 494.74, based on 379 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Telephone and Data Systems's current Market Cap of $4,233 Mil is 755.6% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Telephone and Data Systems and its competitors. For the Telecommunication Services industry, the median Market Cap is 494.74 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Telephone and Data Systems's current Market Cap is $4,233 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Telephone and Data Systems stock overvalued right now?
Based on GuruFocus' analysis, Telephone and Data Systems (TDS) is currently considered Modestly Overvalued. The stock's GF Value™ is $32.86, compared to a current price of $37.18 — trading 13.1% above its estimated fair value. The current Market Cap is $4,233 Mil and 755.6% above the Telecommunication Services industry median of 494.74. Telephone and Data Systems' overall GF Score™ is 64/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Telephone and Data Systems (TDS), the current Market Cap is $4,233 Mil as of Jun. 25, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Telephone and Data Systems (TDS) Overvalued in 2026?

Based on GuruFocus' analysis, Telephone and Data Systems stock appears to be overvalued. The current stock price of $37.18 is trading 13.1% above its estimated GF Value™ of $32.86. GuruFocus considers Telephone and Data Systems to be Modestly Overvalued.

Key valuation signals for TDS:

  • Market Cap: $4,233 Mil
  • GF Value™: $32.86 vs. price of $37.18 (13.1% above fair value)
  • GF Score™: 64/100 with 5 warning signs
  • Industry Position: 755.6% above the Telecommunication Services median (#89 of 379)

No single metric tells the full story. See the TDS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Telephone and Data Systems Business Description

Other Exchanges TDSpU.PFD:USA
Address 30 North LaSalle Street, Suite 4000, Chicago, IL, USA, 60602
Telephone and Data Systems Inc is a diversified telecommunications operator that provides communications services to customers through broadband, video, voice, and wireless connections. The company has two reportable segments: TDS Telecom and Array. The majority of its revenue is generated from the TDS Telecom segment, which generates revenue by providing broadband, video, voice, and wireless services. The Array segment generates its revenue mainly by leasing tower space on Array-owned towers to customers.
64GF Score

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Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$37.18
Price
$32.86
GF Value