T
As of 2026-06-10, AT&T Inc. (T) has a market capitalization of $161.06 B, making it the #91 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-06-10 | $161.06 B |
| 2026-05-29 | $171.28 B |
| 2026-05-28 | $172.94 B |
| 2026-05-26 | $174.54 B |
| 2026-05-25 | $175.52 B |
| 2026-05-24 | $175.52 B |
| 2026-05-22 | $175.52 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
As of 2026-06-10, AT&T Inc. (T) has a market capitalization of $161.06 B, making it the #91 most valuable US-listed company.
AT&T Inc. is the #91 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.