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Comcast Corporation
CMCSA
Market cap$49.45 B
Rank#321
SEC filings1,000
Market capitalization of Comcast Corporation
As of 2026-06-10, Comcast Corporation (CMCSA) has a market capitalization of $49.45 B, making it the #321 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-10 | $49.45 B |
| 2026-05-29 | $88.77 B |
| 2026-05-28 | $90.09 B |
| 2026-05-26 | $89.61 B |
| 2026-05-25 | $90.04 B |
| 2026-05-24 | $90.04 B |
| 2026-05-22 | $90.04 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is Comcast Corporation's market cap?
As of 2026-06-10, Comcast Corporation (CMCSA) has a market capitalization of $49.45 B, making it the #321 most valuable US-listed company.
Where does Comcast Corporation rank by market cap?
Comcast Corporation is the #321 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.