C3.ai vs. Lumentum: What Recent Revenue Trajectories Tell Investors About These Artificial Intelligence Companies
C3.ai (AI) reported declining revenue and a negative net income margin, while Lumentum (LITE) saw consistent revenue growth and a positive operating margin. C3.ai's revenue fell from $94.3M in Q3 2024 to $51.6M in Q1 2026, while Lumentum's revenue increased from $336.9M in Q3 2024 to $1.0B in Q2 2026. Both companies are involved in AI-related technologies.
How this was made

The 30-second read
Why it matters
Both companies show opposite trends, offering a clear trade signal for sector allocation.
Market read
Divergent results underscore the split performance within the AI ecosystem, affecting sector positioning.
What to watch
Lumentum's growth may be tempered by supply‑chain constraints in optical component manufacturing.
Background
The article compares revenue trajectories of two AI‑focused companies, providing the latest quarterly figures and forward guidance.
Ticker impact
C3.ai reported Q2 2026 revenue of $51.6 million and a net loss margin of -224% after its CEO returned, indicating continued revenue decline.
Potential further price decline unless turnaround materializes.
The latest quarterly numbers are a primary disclosure and show a clear negative trend.
Lumentum posted Q2 2026 revenue of $1.0 billion, up from $480.7 million a year earlier, and forecast Q1 2026 revenue of $1.2‑1.3 billion.
Likely upside as investors price in accelerating growth.
The article provides the first report of a billion‑dollar quarter and forward guidance.
Market effects
AI‑related hardware demand supports Lumentum; software AI services face headwinds.
U.S. tech sector shows divergent trends between AI software and photonics hardware.
Highlights differing performance of AI infrastructure components worldwide.
Counterpoint
C3.ai could rebound if new contracts materialize despite recent losses.
Key entities
- CompanyC3.ai
AI software provider reporting steep revenue decline.
- CompanyLumentum
Optical components maker reporting record revenue growth.




