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SIRIUS XM HOLDINGS INC.
SIRI - CIK 0000908937
Market cap$9.01 B
Rank#1004
SEC filings2,658
Market capitalization of SIRIUS XM HOLDINGS INC.
As of 2026-06-11, SIRIUS XM HOLDINGS INC. (SIRI) has a market capitalization of $9.01 B, making it the #1004 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $9.01 B |
| 2026-06-10 | $9.24 B |
| 2026-05-29 | $9.93 B |
| 2026-05-28 | $9.99 B |
| 2026-05-26 | $10.05 B |
| 2026-05-25 | $9.72 B |
| 2026-05-24 | $9.72 B |
| 2026-05-22 | $9.72 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 SIRIUS XM HOLDINGS INC.'s market cap?
As of 2026-06-11, SIRIUS XM HOLDINGS INC. (SIRI) has a market capitalization of $9.01 B, making it the #1004 most valuable US-listed company.
Where does SIRIUS XM HOLDINGS INC. rank by market cap?
SIRIUS XM HOLDINGS INC. is the #1004 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.