AT&T Bets $5.75 Billion on Fiber Expansion

AT&T is acquiring Lumen's Mass Markets fiber business for $5.75 billion, adding 1 million fiber subscribers and expanding its fiber footprint to 60 million locations by 2030. The deal, expected to close in the first half of 2026, will form a new subsidiary that AT&T plans to partially sell to an equity partner to offset capital spending, mirroring its Gigapower joint venture strategy. AT&T reaffirmed its 2025 outlook and $10 billion share repurchase plan through 2026, anticipating a net debt to adjusted EBITDA ratio of around 2.5 post-acquisition.

Analysis

AT&T is significantly expanding its fiber internet presence through the $5.75 billion acquisition of Lumen's Mass Markets fiber business, a deal expected to add approximately 1 million fiber subscribers and 4 million passed locations. This strategic move revises AT&T's fiber expansion target upwards to 60 million locations by the end of 2030, a substantial increase from the previous goal of 50 million by 2029 and roughly double its current fiber network scale. To manage the associated capital expenditure, AT&T plans to form a new subsidiary with Lumen's assets and, within a year of the transaction's close in the first half of 2026, sell partial ownership to an equity partner who will share investment requirements, operating it as a wholesale commercial open-access platform; this model mirrors its Gigapower joint venture. Despite this significant investment, AT&T reaffirmed its 2025 outlook, its $10 billion share repurchase program through 2026, and expects its net debt to adjusted EBITDA ratio to remain around 2.5 post-deal and equity partnership. The acquisition presents clear growth avenues: Lumen's current fiber penetration rate of 25% is considerably below AT&T's 40% and its long-term target of 50%, offering potential for subscriber growth without substantial additional capital spending. Furthermore, AT&T aims to leverage the acquired 1 million fiber customers to boost its wireless segment, as bundled customers historically exhibit lower churn and higher lifetime value, a crucial advantage in the competitive wireless market. The company anticipates generating at least $16 billion in free cash flow this year, and with a market capitalization of approximately $198 billion, the stock trades at a price-to-free cash flow multiple of just over 12, suggesting a solid value proposition according to the article.

Key Decisions for Investors

• Investors should assess this acquisition as a strategic enhancement to AT&T's fiber growth trajectory and capital efficiency, potentially accelerating market share gains in key metropolitan areas while mitigating capex burden through the planned equity partnership.
• Consider monitoring AT&T's execution in integrating Lumen's assets and its ability to increase the acquired network's penetration rates towards its own levels, as this represents a significant organic growth driver alongside the cross-selling potential for wireless services.
• Given the reaffirmed financial outlook, ongoing $10 billion share repurchase program, and a reported valuation of approximately 12 times free cash flow, investors might find the current profile attractive for exposure to telecom infrastructure expansion and shareholder returns, despite the article noting AT&T was not on a specific 'top 10 best buy' list.