Broadband and optical Q3 2025 earnings
This special coverage page will provide insights and coverage of how the top broadband and optical companies performed during the third quarter.
Lightwave's Q3 Optical Networking Earnings Coverage
Lightwave is tracking the performance of key players in the broadband industry during the third quarter of 2025.
Ekinops is reworking its top management ranks as its long-term CEO, Didier Brédy, is leaving following a decline in third-quarter revenues. In the third quarter of 2025, Ekinops reported revenue of $26 million, down 27% compared to the third quarter of 2024.
AT&T is confident that its approach to fiber buildouts enables it to stand out against emerging fiber broadband competitors popping up in the markets it serves today.
New cloud, fiber and wireless services continue to offset ongoing losses of traditional copper and TDM-based offerings.
Ribbon's third-quarter enterprise segment was impacted by the U.S. government shutdown, resulting in a 3% year-over-year sales decline, while other customer segments grew nearly 7%.
Corning aims to double its scale-up market share by converting copper links to fiber to support AI GPU workloads, reaching about 100 Gbps per meter on the electrical to optical frontier.
Frontier's fiber broadband revenues rose 25.8%, contributing to a 4.7% overall increase in consumer revenue to $826 million.
Frontier's business and Wholesale revenue increased by 3.7% YoY, reaching $707 million, driven by fiber growth and higher network access prices.
Verizon reported third-quarter consolidated revenue was $33.8 billion, up 1.5% from the prior year period.
Adtran's optical networking sales increased 47% year over year, driven by strong demand in the European and U.S. markets.
Gains in components and systems revenues drove Lumentum’s fiscal year 2026 earnings, driven by AI demand for the company’s laser chips and optical transceivers in data centers, as well as in interconnect and long-haul networks.
Uniti’s hyperscaler contract value exceeds $1.7 billion, reflecting a surge in AI infrastructure demand.
Lightpath's Q3 revenue grew nearly 6%, driven by wins with data center providers and hyperscalers.
As a result of declines in off-net revenue, Cogent’s total service revenue was $241.9 million, down 1.7% sequentially.
Cisco's AI infrastructure orders reached $1.3 billion in Q1 FY2026, with a forecast of $3 billion for the year, reflecting strong hyperscaler demand.
Dycom's acquisition of Power Solutions adds 2,800 employees and expands its presence in the high-growth data center market.
Ciena's Q4 2025 revenue reached $1.35 billion, up 20% YoY, with optical and routing segments showing significant gains.
Lightwave’s Q3 Broadband Earnings Coverage
Lightwave is tracking the performance of key players in the broadband industry during the third quarter of 2025.
Ekinops is reworking its top management ranks as its long-term CEO, Didier Brédy, is leaving following a decline in third-quarter revenues. In the third quarter of 2025, Ekinops reported revenue of $26 million, down 27% compared to the third quarter of 2024.
AT&T continued to see growth in fiber subscribers and homes passed along with greater bundled services sales during the third quarter.
Ribbon reported a strong third-quarter performance in IP optical networks and cloud services, with sales up 11% year over year to $91 million, driven by projects in Europe, the Middle East, and the Asia-Pacific region.
Corning's third-quarter optical networking sales grew 33% year-over-year to $1.65 billion in Q3, driven by strong adoption of Gen AI products and high-density fiber solutions.
Frontier added 326,000 fiber passings to reach 8.8 million total locations passed with fiber in the third quarter and 133,000 fiber broadband customers, resulting in fiber broadband customer growth of 20.2% year-over-year.
Shentel passed 400,000 homes and businesses with fiber in its Greenfield expansion markets during the third quarter.
Verizon is targeting up to 650,000 Fios passings annually by 2025 and aims to surpass 35 million fiber passings by 2028 following the Frontier acquisition.
During the third quarter, Business Services Connectivity revenue rose 6.2% to $2.6 billion. Likewise, business services EBITDA rose 4.5% to $1.5 billion.
CommScope delivered third-quarter net sales of $1.63 billion, up 51% year-over-year and adjusted EBITDA of $402 million, a year-over-year increase of 97%.
Driven by lower residential video and advertising sales revenues, third-quarter revenue dipped 0.9% year-over-year to $13.7 billion.
Led by gains in broadband, Harmonic reported revenue of $142.2 million, down year over year from $195.8 million in the third quarter of 2024.
Adtran reported $279.4 million in third-quarter 2025 revenues, reflecting year-over-year growth across all three revenue categories.
Uniti expects more than half of its revenue to come from fiber by the end of 2025, with fiber passing nearly 2 million homes by 2026.
WOW!’s reported $144 million for the quarter ended September 30, 2025, down $14.0 million, or 8.9%, as compared to the same period last year.
Optimum, formerly known as Altice USA, reported total revenue of $2.1 billion, down 5.4% year over year, while its Lightpath division grew nearly 6% as it secured more wins with data center providers for its fiber services.
Cable One reported total revenues for the third quarter of 2025 were $376 million compared to $393.6 million in the third quarter of 2024.
TDS Telecom added 42,000 fiber addresses in Q3 and aims to reach 1.8 million by 2025, with 80% of addresses served by fiber.
Dycom reported that its third-quarter 2026 earnings call contract revenues rose 14.1% to $1.45 billion for the quarter ended October 25, 2025, compared to $1.3 billion for the previous year’s quarter.
