Sirius XM has seen its satellite-radio subscriber base slip by approximately 5% over the past year, a decline driven by intensifying competition from internet streaming platforms and weaker U.S. auto sales. The company now serves 33 million subscribers, down from 34.7 million at the end of 2024. Promotional subscriptions tied to new-vehicle purchases, which historically convert to full-pay customers at a rate of 60%, have been undercut as U.S. light-vehicle sales fell by 8% last quarter. At the same time, ad-supported rivals such as Spotify and Apple Music continue to gain market share, prompting Sirius XM to invest an additional $150 million in content and marketing to bolster subscriber retention and ramp up digital listenership on Pandora.

In the final year of Warren Buffett’s tenure at Berkshire Hathaway, the firm accumulated a 124.8 million-share position in Sirius XM, representing just over 37% of the company’s outstanding stock. This bet reflects Buffett’s conviction in Sirius XM’s legal monopoly on satellite-radio licensing and its predictable cash flows. Despite underperforming the broader market—Sirius XM’s shares have tumbled by roughly 67% since October 2022—the company’s fixed transmission costs and steady royalty obligations provide a level of cost stability that appealed to the Oracle of Omaha. Berkshire’s purchase, valued at nearly $2.1 billion, underscores the belief that Sirius XM’s pricing power can support sustainable margins through economic cycles.

Sirius XM currently trades at just 6.6 times consensus 2026 earnings estimates, a 45% discount to its five-year average forward price-to-earnings multiple. With satellite-radio subscriptions accounting for 76% of net revenue and advertising on Pandora contributing another 20%, management projects operating cash flow of $1.2 billion this year. The company has returned over $800 million to shareholders in the past twelve months through dividends and repurchases. Its dividend yield of 5.3%, nearly five times the S&P 500 average, offers income-oriented investors a rare combination of yield and growth optionality, positioning Sirius XM as a compelling addition for value portfolios.