Sirius XM Holdings Inc. (SIRI)
NASDAQ: SIRI · Real-Time Price · USD
27.15
+0.64 (2.41%)
At close: Oct 15, 2026, 4:00 PM EDT
26.99
-0.16 (-0.59%)
Pre-market: Oct 16, 2026, 4:00 AM EDT
Sirius XM Market Cap
Sirius XM has a market cap or net worth of $9.15 billion as of October 15, 2026. It is the 2,297th most valuable company in the world and the 806th biggest in the United States. Its market cap has increased by 24.66% in one year.
Market Cap
9.15B
Enterprise Value
18.64B
1-Year Change
24.66%
Global Rank
Country Rank
#806 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, Sirius XM's market cap has increased from $810.10M to $9.15B, an increase of 1,029.66%. That is a compound annual growth rate of 9.08%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 15, 2026 | 9.15B | 35.95% |
| Dec 31, 2025 | 6.73B | -12.96% |
| Dec 31, 2024 | 7.73B | -63.17% |
| Dec 29, 2023 | 21.00B | -7.55% |
| Dec 30, 2022 | 22.71B | -10.56% |
| Dec 31, 2021 | 25.40B | -6.18% |
| Dec 31, 2020 | 27.07B | -14.42% |
| Dec 31, 2019 | 31.63B | 24.71% |
| Dec 31, 2018 | 25.36B | 2.96% |
| Dec 29, 2017 | 24.63B | 14.73% |
| Dec 30, 2016 | 21.47B | 1.21% |
| Dec 31, 2015 | 21.21B | 10.31% |
| Dec 31, 2014 | 19.23B | -10.19% |
| Dec 31, 2013 | 21.41B | 42.29% |
| Dec 31, 2012 | 15.05B | 120.46% |
| Dec 30, 2011 | 6.83B | 6.66% |
| Dec 31, 2010 | 6.40B | 176.42% |
| Dec 31, 2009 | 2.32B | 449.15% |
| Dec 31, 2008 | 421.60M | -90.53% |
| Dec 31, 2007 | 4.45B | -10.58% |
| Dec 29, 2006 | 4.98B | -44.20% |
| Dec 30, 2005 | 8.92B | -7.31% |
| Dec 31, 2004 | 9.62B | 205.13% |
| Dec 31, 2003 | 3.15B | 6,285.43% |
| Dec 31, 2002 | 49.40M | -92.16% |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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