Sirius XM Holding Inc (SIRI) market cap is $8.21B
Sirius XM Holding Inc (SIRI) market cap is $8.21B as of 2026-06-30. That figure is from Lician’s product cache for this communication services name — not a placeholder and not copied across tickers.
Read the full SIRI research page for quote, filings, and the rest of the model. This satellite exists so “Sirius XM Holding Inc market cap” can rank with the actual number, then send you to /stock/siri.