CIEN vs LITE: AI Stock Comparison

Ciena Corporation vs Lumentum Holdings Inc.: AI exposure, key metrics, next earnings dates, upcoming catalysts and risks — every number linked to its source.

$LITE scores higher on AI exposure (4/5 vs 3/5) under our published rubric. The score measures how directly each business is tied to AI, not which stock to buy.
⏱ Next catalyst: Not enough tracked catalysts to compare.
$CIEN
Ciena Corporation
Optical networking that links data centers.
$LITE 🏆
Lumentum Holdings Inc.
Lasers and optical components for AI networking.
AI exposure score⚡⚡⚡⚡⚡ 3/5⚡⚡⚡⚡⚡ 4/5
Shares outstanding141.8M
as of 2026-08-28 · 10-Q cover page · SEC filing
90.7M
as of 2026-10-28 · 10-Q cover page · SEC filing
CategoryNetworking & opticsNetworking & optics
Key metrics
Revenue (latest quarter) $1.67B
10-Q period ended 2026-08-01; +37% y/y · SEC filing
Gross margin 45.4%
Gross profit / revenue, same quarter · SEC filing
Operating income $301.2M
Same quarter; 18% operating margin · SEC filing
Revenue (latest quarter) $1.26B
10-Q period ended 2026-09-26; +137% y/y · SEC filing
Gross margin 51.0%
Gross profit / revenue, same quarter · SEC filing
Operating income $359.8M
Same quarter; 28% operating margin · SEC filing
Next earnings
Dec 10, 2026 expected
Ciena Corporation quarterly earnings · source
Not yet announced / not on our calendar
Next catalyst
Dec 10, 2026 expected
Ciena Corporation quarterly earnings · source
Not yet announced / not on our calendar
Upcoming catalysts
Dec 10, 2026 expected
Ciena Corporation quarterly earnings · source
None tracked
Most recent reportedNot yet announced / not on our calendar
Nov 2, 2026
Marvell to acquire Lumentum in all-stock deal (~$115B EV) · source
Combines electrical and optical AI connectivity; expected to close 1H 2028 pending approvals.
Key risks
  • “Our failure to effectively align our supply chain capacity and inventory levels with customer demand can adversely impact our results of operations and customer relationships.” — 10-K risk factor (filed 2025-12-12) · source
  • “Our revenue is concentrated among a small number of customers and reductions in their spending could materially adversely impact our results of operations.” — 10-K risk factor (filed 2025-12-12) · source
  • “Social and environmental responsibility regulations, policies and provisions, as well as customer and investor demands, may make our supply chain more complex and may adversely affect our…” — 10-K risk factor (filed 2026-08-17) · source
  • “Changes in demand and customer requirements for our products may reduce manufacturing yields, which could negatively impact our profitability.” — 10-K risk factor (filed 2026-08-17) · source
AI angle

Ciena's coherent optical gear connects data centers across metro and long-haul distances. AI training and inference spread across sites drive interconnect demand from cloud providers.

Lumentum's lasers and transceivers move data inside AI data centers. Marvell agreed on Nov 2, 2026 to acquire it in an all-stock deal expected to close in 1H 2028.

Full analysis: $CIEN →Full analysis: $LITE →

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Deep dives: CIEN next earnings & catalysts · LITE next earnings & catalysts · AI earnings this week