Ribbon Communications (RBBN) Q3 2025 earnings summary

Executive summary

• Q3 2025 revenue reached $215–$215.4 million, up 2–2.4% year-over-year, with year-to-date revenue up 6% to $617 million; growth was led by IP Optical Networks and international markets, while Cloud & Edge saw mixed results.

• Launched Acumen AI ops platform, gaining strong customer adoption and initial deployments with major service providers; secured new EMEA DCI wins and a significant U.S. federal agency project.

• GAAP net loss for Q3 2025 was $12–$12.1 million, an improvement from the prior year; non-GAAP net income was $7–$8 million.

• Operating expenses decreased year-over-year, with ongoing restructuring and integration expenses.

• Cash flow from operations was $26 million, with a closing cash balance of $74.8–$77 million.

Financial highlights

• Q3 2025 revenue was $215–$215.4 million, up 2–2.4% year-over-year; non-GAAP gross margin was 52.6–53%, down year-over-year; GAAP gross margin was 50.1%.

• Adjusted EBITDA for Q3 2025 was $29 million, slightly down year-over-year.

• Non-GAAP net income was $7–$8 million, with diluted EPS of $0.04; GAAP diluted loss per share was $(0.07).

• Cash from operations was $26 million; net cash provided by operating activities for the first nine months was $22.2 million.

• Net debt leverage ratio was 2.2x; $344 million in senior term loan debt at 10.6% interest.

Outlook and guidance

• Q4 2025 revenue projected at $230–$250 million; adjusted EBITDA expected at $42–$48 million.

• FY 2025 revenue midpoint outlook is $857 million, with non-GAAP gross margin at 52.3–52.7%.

• Q4 expected to be the strongest quarter, with Cloud & Edge gross margins in the high 60s and non-GAAP gross margin guidance of 55–56%.

• Management expects full-year revenue growth, but slightly lower gross margins due to product mix and increased professional services.

• U.S. government shutdown impact removed from Q4 projections; purchases assumed to occur in 2026.