Business Segments · Maintenance spares, net
Global Services — Maintenance spares, net
Ciena Global Services — Maintenance spares, net increased by 5.0% to $96.97M in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 17.1%, from $82.85M to $96.97M. Over 4 years (FY 2021 to FY 2025), Global Services — Maintenance spares, net shows an upward trend with a 9.6% CAGR.
Analysis
StatementSegment
CategoryEfficiency
SignalContext dependent
VolatilityModerate
First reportedQ4 2019
Last reportedQ4 2025
Rolls up toMaintenance spares, net
How to read this metric
High levels may indicate a large installed base or supply chain caution, while low levels could risk service delivery delays.
Detailed definition
This metric represents the net value of inventory held specifically for maintenance and repair services, such as replace...
Peer comparison
Comparable to 'Service Parts Inventory' or 'Maintenance Inventory' in hardware-centric service businesses.
Metric ID:
cien_segment_global_services_maintenance_spares_netHistorical Data
19 periods
| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | $61.05M | $55.70M | $55.46M | $50.20M | $45.85M | $44.82M | $43.93M | $45.92M | $48.17M | $54.04M | $56.27M | $62.33M | $68.10M | $77.92M | $82.85M | $88.51M | $86.43M | $92.39M | $96.97M |
| QoQ Change | — | -8.8% | -0.4% | -9.5% | -8.7% | -2.3% | -2.0% | +4.5% | +4.9% | +12.2% | +4.1% | +10.8% | +9.3% | +14.4% | +6.3% | +6.8% | -2.3% | +6.9% | +5.0% |
| YoY Change | — | — | — | — | -24.9% | -19.5% | -20.8% | -8.5% | +5.0% | +20.6% | +28.1% | +35.7% | +41.4% | +44.2% | +47.2% | +42.0% | +26.9% | +18.6% | +17.1% |
Range$43.93M – $96.97M
CAGR+10.8%
Avg YoY Growth+16.9%
Median YoY Growth+20.6%
Current Streak2 quarters growth
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Frequently Asked Questions
- What is Ciena's global services — maintenance spares, net?
- Ciena (CIEN) reported global services — maintenance spares, net of $96.97M in Q4 2025.
- How has Ciena's global services — maintenance spares, net changed year-over-year?
- Ciena's global services — maintenance spares, net increased by 17.1% year-over-year, from $82.85M to $96.97M.
- What is the long-term trend for Ciena's global services — maintenance spares, net?
- Over 4 years (2021 to 2025), Ciena's global services — maintenance spares, net has grown at a 9.6% compound annual growth rate (CAGR), from $242.76M to $350.18M.
- What does global services — maintenance spares, net mean?
- The net value of spare parts inventory kept on hand to support customer maintenance needs.