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Ciena Corp.: Q4 FY2025 earnings call

What management said about Q4 FY2025, from the documents filed with the SEC on 11 December 2025: press release. Guidance figures: 8 new. The quarter’s numbers.

Key takeaways

  • Fourth-quarter revenue rose 20%: Fiscal fourth quarter revenue was $1.35 billion, compared with $1.12 billion a year earlier, the company reported. Source
  • Quarterly EPS shown GAAP and adjusted: Fourth-quarter diluted EPS was $0.13 GAAP and $0.91 adjusted, against $0.25 and $0.54 a year earlier. Fiscal 2025 was $0.85 GAAP and $2.64 adjusted. Source
  • Optical networking remained the largest line: Optical networking revenue was $929.2 million in the fiscal fourth quarter, against $779.6 million a year earlier, and $3,246.3 million for fiscal 2025. Source
  • Three customers gave 43.6% of revenue: In the fiscal fourth quarter, three customers each represented 10%-plus of revenue, totaling 43.6% of revenue. Source
  • Restructuring and impairment charges rose: Significant asset impairments and restructuring costs were $106.9 million in the fiscal fourth quarter, against $2.6 million. The company said this includes an $89.1 million charge for abandoning an in-process R&D intangible asset. Source
  • Cloud and service provider demand cited: Management said it is confident in growth over the coming years, driven by durable demand from cloud and service provider customers. Source
  • Operating cash flow increased to $806.1 million: Net cash provided by operating activities was $806.1 million for fiscal 2025, against $514.5 million. Payments for equipment, furniture and fixtures were $140.8 million. Source
  • Nubis Communications acquired in fourth quarter: The company acquired Nubis Communications, Inc. in the fourth quarter. Acquisition and integration costs were $1.1 million, covering advisors and employee-related costs. Source

“Our record fiscal fourth quarter and full-year performance reinforces our position as the global leader in high-speed connectivity with an expanding role in the AI ecosystem”

Gary Smith, president and CEO, Ciena

Guidance

AreaPeriodFigureAgainst last quarter
Revenue Sourcefiscal year 2026$5.7 billion to $6.1 billionNew
Adjusted gross margin Sourcefiscal year 202643% plus or minus 1%New
Adjusted operating expense Sourcefiscal year 2026approximately $1.52 billionNew
Adjusted operating margin Sourcefiscal year 202617% plus or minus 1%New
Revenue Sourcefiscal first quarter 2026$1.35 billion to $1.43 billionNew
Adjusted gross margin Sourcefiscal first quarter 202643% to 44%New
Adjusted operating expense Sourcefiscal first quarter 2026approximately $380 millionNew
Adjusted operating margin Sourcefiscal first quarter 202615.5% to 16.5%New

What changed from last quarter

  • New guidance: Guidance for fiscal year 2026 and the fiscal first quarter of 2026 was given in this release. The prior release gave only fourth-quarter guidance. Source
  • New: Ciena acquired Nubis Communications, Inc. during the fourth quarter, with related acquisition and integration costs excluded from adjusted results. Source
  • New: Global services product lines were renamed effective the fourth quarter of fiscal 2025, applied on a prospective basis. Source

Fourth-quarter and full-year results

  • Fourth-quarter revenue rose 20%: Fiscal fourth quarter revenue was $1.35 billion, compared with $1.12 billion a year earlier, the company reported. Source
  • Fiscal 2025 revenue rose 19%: Fiscal 2025 revenue was $4.77 billion, compared with $4.01 billion in fiscal 2024, management reported. Source
  • Quarterly EPS shown GAAP and adjusted: Fourth-quarter diluted EPS was $0.13 GAAP and $0.91 adjusted, against $0.25 and $0.54 a year earlier. Fiscal 2025 was $0.85 GAAP and $2.64 adjusted. Source
  • Adjusted operating margin rose to 13.2%: GAAP operating margin was 0.8% in the fiscal fourth quarter. Adjusted operating margin was 13.2%, against 10.0% a year earlier; fiscal 2025 adjusted was 11.2%. Source

Segments and product lines

  • Optical networking remained the largest line: Optical networking revenue was $929.2 million in the fiscal fourth quarter, against $779.6 million a year earlier, and $3,246.3 million for fiscal 2025. Source
  • Routing and switching revenue increased: Routing and switching revenue was $118.4 million in the fiscal fourth quarter, up from $79.4 million. Fiscal 2025 routing and switching revenue was $430.1 million, up from $399.5 million. Source
  • Platform software revenue declined: Platform software and services revenue was $93.3 million in the fiscal fourth quarter, down from $99.6 million. Fiscal 2025 platform software revenue was $363.8 million, up from $358.0 million. Source
  • Global services revenue increased: Global services revenue was $177.3 million, up from $142.0 million. Implementation revenue was $74.3 million, against $51.4 million a year earlier. Source
  • Blue Planet revenue grew: Blue Planet automation software and services revenue was $33.8 million, against $23.5 million a year earlier, and $115.5 million for fiscal 2025. Source

“delivering strong top and bottom line performance that exceeded our guidance for the fourth quarter”

Marc Graff, CFO of Ciena

Customers and revenue mix

  • Three customers gave 43.6% of revenue: In the fiscal fourth quarter, three customers each represented 10%-plus of revenue, totaling 43.6% of revenue. Source
  • Two customers gave 28.4% for the year: For fiscal 2025, two customers each represented 10%-plus of revenue, totaling 28.4% of revenue. Source
  • Products grew faster than services: Products revenue was $1,092.5 million in the fiscal fourth quarter, up from $892.4 million. Services revenue was $259.5 million, up from $231.7 million. Source

Costs, margins and one-time charges

  • Adjusted quarterly gross margin rose: Adjusted gross margin was 43.4% in the fiscal fourth quarter, against 41.6%. For fiscal 2025 adjusted gross margin was 42.7%, against 43.6%. Source
  • Restructuring and impairment charges rose: Significant asset impairments and restructuring costs were $106.9 million in the fiscal fourth quarter, against $2.6 million. The company said this includes an $89.1 million charge for abandoning an in-process R&D intangible asset. Source
  • Adjusted operating expense rose: GAAP operating expense was $566.7 million in the fiscal fourth quarter. Adjusted operating expense was $408.7 million, against $354.9 million a year earlier. Source
  • Tax benefit on expired uncertain positions: GAAP income tax was a benefit of $16.6 million in the quarter. Non-GAAP tax excludes a $21.6 million benefit from the expiry of the statute of limitations on uncertain tax positions. Source
  • Share-based compensation excluded from adjusted: Share-based compensation expense was $48.9 million in the fiscal fourth quarter and $184.7 million for fiscal 2025, excluded from adjusted measures. Source

“Looking ahead, we are confident in our growth trajectory over the coming years, driven by durable demand from our cloud and service provider customers and a growing set of opportunities inside and around the data center.”

Gary Smith, president and CEO, Ciena

Demand and the AI ecosystem

  • Cloud and service provider demand cited: Management said it is confident in growth over the coming years, driven by durable demand from cloud and service provider customers. Source
  • AI ecosystem role cited: The chief executive said the quarter reinforces the company's position in high-speed connectivity, with an expanding role in the AI ecosystem. Source
  • CFO cites market momentum: The chief financial officer said results reflect the company's market momentum within its demand environment. Source

Cash, balance sheet and shareholder returns

  • Operating cash flow increased to $806.1 million: Net cash provided by operating activities was $806.1 million for fiscal 2025, against $514.5 million. Payments for equipment, furniture and fixtures were $140.8 million. Source
  • Share repurchases in fiscal 2025: The company repurchased about 4.0 million shares for $329.7 million in fiscal 2025, including 0.7 million shares for $84.5 million in the fourth quarter. Source
  • Cash and equivalents at year-end: Cash and cash equivalents were $1,091.9 million at fiscal year-end, up from $934.9 million a year earlier. Source
  • Collection days and inventory turns: Average days' sales outstanding were 77 for the fiscal fourth quarter and 88 for fiscal 2025. Product inventory turns were 3.1 and 2.7 for the same periods. Source
  • Shares withheld for taxes increased: Shares repurchased for tax withholdings on stock unit vesting were $91.3 million in fiscal 2025, against $46.6 million a year earlier. Source

Guidance start and Nubis acquisition

  • First fiscal 2026 guidance issued: This release gives guidance for fiscal year 2026 and the fiscal first quarter of 2026. The prior release gave guidance only for the fiscal fourth quarter. Source
  • Nubis Communications acquired in fourth quarter: The company acquired Nubis Communications, Inc. in the fourth quarter. Acquisition and integration costs were $1.1 million, covering advisors and employee-related costs. Source
  • Holdback tied to Nubis employee shareholders: A one-time holdback of part of the merger consideration for key Nubis employee shareholders is treated as contingent compensation for GAAP reporting. The holdback was $0.8 million. Source

Coming up, as management said on 11 December 2025

  • Annual report on Form 10-K pending: Management said the annual report on Form 10-K is still to be filed with the SEC. No filing date is given in the release. Source

Figures management reported

FigureReported
Customers at 10%-plus of revenue, fiscal fourth quarter Source3 customers, 43.6% of revenue
Customers at 10%-plus of revenue, fiscal year Source2 customers, 28.4% of revenue

Earlier plans management reported on

  • Ahead: Management said fourth-quarter results exceeded guidance. The prior release had guided to revenue of $1.24 billion to $1.32 billion. Source
  • Not stated: The prior release said the company would keep expanding operating leverage. This release says the company has growing operating leverage.

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.