Sirius XM Holdings Inc.
Sirius XM Holdings Inc. (SIRI) Market Cap & Net Worth
Live market cap, enterprise value, and global rank — multi-year chart and annual table below.
siri · market cap & enterprise value · FMP · as of Jun 5, 2026
Core market cap & key metrics
As of Jun 5, 2026, Sirius XM Holdings Inc. (SIRI) has a market cap — also referred to as its net worth or valuation — of $9.1B, making it one of the top most valuable companies globally. Market Cap = $27.01 × shares outstanding.
Market cap history — by year
* 2026 = year-to-date · Year-end market cap · Source: FMP
Market cap by year
Compared to Peers
View Communication Services sectorAbout Market Cap, Net Worth & Valuation
Sirius XM Holdings Inc. (SIRI) has a market cap — also referred to as its net worth or valuation — of $9.1B as of Jun 5, 2026, making it the #0 most valuable company globally. Market Cap = Stock Price × Shares Outstanding.
Sirius XM Holdings Inc. reached its all-time high market cap of $32.2B on Dec 31, 2019. Comparing the Sirius XM Holdings Inc. market cap history illustrates one of the most extraordinary corporate growth stories.
Investors frequently compare Sirius XM Holdings Inc. net worth vs peers and ask how Sirius XM Holdings Inc. valuation compares to other countries. Its market cap reflects continued investor confidence.
Frequently Asked Questions
SIRI market cap · 6 questionsSirius XM Holdings Inc.'s net worth — measured as market capitalization — is $9.1B as of Jun 5, 2026. It ranks #0 globally. Market Cap = $$27.01 (price) × shares outstanding.