Sirius XM market cap SIRI

Share price times shares outstanding: what the whole company sells for, since 2010.

Sirius XM is worth $9.3B at the close on Oct 23, 2026, at $27.63 a share.

That is up 29% over the last year and down 62% over five years.

Its highest close in our data was $33.9B in Jun 2018.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$9.3B	$6.8B	$10.3B	+34%
2025	$6.9B	$6.6B	$9.2B	−12%
2024	$7.8B	$7.8B	$21B	−63%
2023	$21B	$13.7B	$27.4B	−8%
2022	$22.7B	$22.2B	$26.8B	−11%
2021	$25.4B	$24.2B	$27.6B	−6%
2020	$27.1B	$19.6B	$32B	−14%
2019	$31.6B	$24.5B	$31.8B	+24%
2018	$25.4B	$24.5B	$33.9B	+3%
2017	$24.6B	$22B	$26.8B	+15%
2016	$21.5B	$17.4B	$22.2B	+1%
2015	$21.2B	$19.1B	$22.2B	+11%
2014	$19.2B	$18B	$22.8B	−11%
2013	$21.6B	$16.1B	$25.1B	+43%
2012	$15B	$7B	$15.3B	+120%
2011	$6.8B	$1.3B	$7B	+398%
2010	$1.4B	$810.8M	$1.4B	n/a

Companies in Communication Services nearest Sirius XM's size, closest first, today.

Company	Market cap
SIRISirius XM	$9.3B
NYTNew York Times	$11.2B
CHTRCharter Communications	$13B
CHDNChurchill Downs	$5.8B
WMGWarner Music	$16.1B
MTNVail Resorts	$5.2B
NWSANews	$16.6B
NXSTNexstar Media	$5.2B
IRDMIridium Communications	$4.7B
CNKCinemark	$4.6B
TDSTelephone & Data Systems	$4.1B
Peer median	$5.5B