Harmonic expects total net revenue of between $505m and $525m in 2026, representing an increase of 40% to 45% from 2025.
In Q2 2026, the company said its top two customers accounted for 63% of its revenue.
Fibre products accounted for about 14% of appliance and integration revenue over the four quarters to Q1 2026.
Harmonic [HLIT] provides software and hardware-based broadband solutions to cable and telecommunications companies such as Comcast [CMCSA] and Charter Communications [CHTR].
In 2026, it sold its video delivery business to become a pure-play broadband company.
In late May, HLIT stock hit a near three-year high of $17.68 supported by strong earnings growth as the cable broadband network upgrade cycle gained momentum.
After seeing a correction that took HLIT shares as low as $10.45 by end-July, the stock shares rallied following blowout Q2 earnings.
The next leg of HLIT’s rally will depend not only on continued strength in cable broadband network spending, but also on whether the company can expand its fibre business amid rising broadband demand from artificial intelligence (AI) workloads.
In this Foresight stock analysis, we examine broader market trends, Harmonic’s earnings history, Wall Street expectations and the factors supporting investor optimism around HLIT.
Hybrid fiber-coaxial (HFC) internet providers, such as Comcast and Charter, face cost pressures in completely replacing their existing cable lines, which already run to millions of homes and businesses.

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