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TRANSALTA CORP
TAC - CIK 0001144800
Market cap$3.67 B
Rank#1642
SEC filings1,053
Market capitalization of TRANSALTA CORP
As of 2026-06-10, TRANSALTA CORP (TAC) has a market capitalization of $3.67 B, making it the #1642 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-10 | $3.67 B |
| 2026-05-29 | $4.18 B |
| 2026-05-28 | $4.12 B |
| 2026-05-26 | $4.07 B |
| 2026-05-25 | $4.04 B |
| 2026-05-24 | $4.04 B |
| 2026-05-22 | $4.01 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 TRANSALTA CORP's market cap?
As of 2026-06-10, TRANSALTA CORP (TAC) has a market capitalization of $3.67 B, making it the #1642 most valuable US-listed company.
Where does TRANSALTA CORP rank by market cap?
TRANSALTA CORP is the #1642 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.