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Sirius XM shares outstanding SIRI

Diluted shares outstanding, averaged over each quarter, from 2009.

Latest quarter, to Jun 30, 2026
342M
On a year earlier
−4.2%
fewer shares

Sirius XM had 342M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.

That is 4.2% fewer than a year earlier, so each share owns a little more of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025357M+5%
FY2024341M−7%
FY2023368M−7%
FY2022395.7M−3%
FY2021406.3M−4%
FY2020422M−7%
FY2019454.2M+1%
FY2018448.5M−2%
FY2017457.1M−6%
FY2016484.4M−8%
FY2015528.1M+9%
FY2014483.4M−22%
FY2013620.3M−11%
FY2012695M+7%
FY2011650.1M+717%

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q2 FY26342M−4%
Q1 FY26338M−5%
Q4 FY25357M+5%
Q3 FY25356M+5%
Q2 FY25357M−6%
Q1 FY25357M−4%
Q4 FY24341M−7%
Q3 FY24339M−6%
Q2 FY24378M−2%
Q1 FY24373M−5%
Q4 FY23368M−7%
Q3 FY23360M−9%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on Sirius XM

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.