Harmonic (HLIT) Q3 2026 Earnings Call Transcript
Harmonic (HLIT) reported Q3 2026 revenue growth of 64% YoY to $148.8M, exceeding guidance. The company added nine new customers, including Liberty Latin America and TDC, and raised its full-year outlook. Harmonic highlighted growth in connectivity, intelligence, and edge AI compute, with SensAI and cOS Loop driving operator adoption. The company expects intelligence to contribute 10% of revenue by 2027.
How this was made

The 30-second read
Why it matters
The earnings beat and raised guidance underscore the company's successful execution of its three growth engines—connectivity, intelligence, and edge AI compute—potentially driving share price appreciation.
Market read
The strong earnings and guidance raise signal robust demand for next‑gen broadband infrastructure, likely benefiting related telecom equipment stocks.
What to watch
Potential supply‑chain constraints for cOS hardware could limit near‑term scaling.
Background
Harmonic (HLIT) is a provider of broadband access solutions, recently launching SensAI and expanding its cOS platform.
Ticker impact
Harmonic reported Q3 2026 revenue of $148.8M, up 64% YoY, and raised its full-year 2026 outlook.
likely upside as investors price in higher revenue growth and upgraded outlook
The company delivered far above guidance and increased its full-year forecast, a clear catalyst for share price appreciation.
Market effects
Strong results may boost sentiment for broadband infrastructure and AI‑edge compute vendors.
Positive for North American and European telecom equipment markets where Harmonic operates.
Highlights growing demand for DOCSIS 4.0 and edge AI compute worldwide.
Counterpoint
Revenue base is still small; growth may be unsustainable if AI traffic demand slows.
Key entities
- CompanyHarmonic Inc.
Broadband access and AI edge compute solutions provider.
- CustomerLiberty Latin America
Selected Harmonic for DOCSIS and fiber deployments.


