SIRI Market Cap History
Below is a table of the SIRI market cap history going back to 2/23/2010:

Date SIRI Market Cap
2/23/20104.35B
4/30/20104.59B
7/30/20104.01B
10/29/20105.89B
2/14/20117.20B
4/29/20117.85B
8/1/20118.33B
10/31/20116.71B
2/7/20127.96B
4/27/20128.40B
8/3/20128.28B
10/25/201214.84B
2/1/201321.19B
4/26/201319.91B
7/24/201322.85B
10/22/201325.34B
1/31/201421.83B
4/23/201419.13B
7/25/201419.51B
10/24/201418.52B
2/3/201520.32B
4/24/201521.73B
7/24/201520.65B
10/20/201520.90B
1/29/201618.86B
4/26/201619.68B
7/22/201620.54B
10/25/201620.22B
1/31/201722.26B
4/25/201724.30B
7/25/201724.86B
10/23/201726.20B
1/29/201826.86B
4/23/201828.35B
7/23/201831.96B
10/22/201826.78B
1/28/201924.99B
4/22/201928.20B
7/26/201927.68B
8/12/201923.69M
10/29/201928.18B
1/31/202031.21B
4/24/202024.13B
7/28/202025.82B
10/20/202024.65B
1/29/202125.92B
4/26/202126.02B
7/23/202126.04B
10/26/202124.12B
1/28/202224.44B
4/26/202223.81B
7/26/202224.85B
10/28/20222.50B

Also see: SIRI Shares Outstanding History
and SIRI YTD Return
SIRI Historical Market Cap:
-4.27% CAGR
SIRI Historical Market Cap: +-4.27% CAGR

Mouse over chart for data details
2/23/2010 ...10/28/2022
Sirius XM Holdings operates two complementary audio entertainment businesses through its wholly owned subsidiary, Sirius XM Radio Inc. (Sirius XM), and Sirius XM's wholly owned subsidiary, Pandora Media, LLC (Pandora). Co.'s Sirius XM business features music, sports, entertainment, comedy, talk, news, traffic and weather channels and other content, as well as podcasts and infotainment services, on a subscription fee basis. Co.'s Pandora business operates a music, comedy and podcast streaming platform, providing a personalized experience for each listener wherever and whenever they want to listen, whether through mobile devices, car speakers or connected devices. We show 53 historical shares outstanding datapoints in our SIRI shares outstanding history coverage, used to compute SIRI market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing SIRI market cap history over the course of time is important for investors interested in comparing SIRI's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of SIRI versus a peer is one thing; comparing SIRI market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like SIRI can fluctuate over the course of history. With this page we aim to empower investors researching SIRI by allowing them to research the SIRI market cap history.
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Sirius XM Holdings (SIRI) is categorized under the Services sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

SITE Market Cap History
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