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Alcoa Corp
AA - CIK 0001675149
Market cap$18.20 B
Rank#663
SEC filings811
Market capitalization of Alcoa Corp
As of 2026-06-12, Alcoa Corp (AA) has a market capitalization of $18.20 B, making it the #663 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-12 | $18.20 B |
| 2026-06-11 | $17.71 B |
| 2026-06-10 | $17.30 B |
| 2026-05-29 | $20.17 B |
| 2026-05-28 | $19.30 B |
| 2026-05-26 | $19.60 B |
| 2026-05-25 | $18.84 B |
| 2026-05-24 | $18.84 B |
| 2026-05-22 | $18.84 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 Alcoa Corp's market cap?
As of 2026-06-12, Alcoa Corp (AA) has a market capitalization of $18.20 B, making it the #663 most valuable US-listed company.
Where does Alcoa Corp rank by market cap?
Alcoa Corp is the #663 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.