← All companies
AT&T Inc.
T
Market cap$145.64 B
Rank#105
Filings1,006
Market capitalization of AT&T Inc.
As of 2026-07-09, AT&T Inc. (T) has a market capitalization of $145.64 B, making it the #105 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-09 | $145.64 B |
| 2026-07-08 | $146.37 B |
| 2026-07-07 | $146.54 B |
| 2026-07-06 | $143.38 B |
| 2026-07-05 | $143.00 B |
| 2026-07-04 | $143.00 B |
| 2026-07-03 | $143.00 B |
| 2026-07-02 | $140.04 B |
| 2026-07-01 | $142.30 B |
| 2026-06-30 | $148.90 B |
| 2026-06-29 | $150.19 B |
| 2026-06-28 | $157.87 B |
Market Cap of similar companies
Frequently asked questions
What is AT&T Inc.'s market cap?
As of 2026-07-09, AT&T Inc. (T) has a market capitalization of $145.64 B, making it the #105 most valuable US-listed company.
Where does AT&T Inc. rank by market cap?
AT&T Inc. is the #105 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.