Hamamatsu Photonics vs Lumentum Holdings
Both are primarily Photonics & Optics companies. Lumentum Holdings is larger by market cap ($95.0B vs $4.4B). Lumentum Holdings reports higher tracked revenue ($3.0B vs $889M).
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly
Side-by-side
| Hamamatsu Photonics | Lumentum Holdings | |
|---|---|---|
| Market cap | $4.4B | $95.0B |
| Revenue | $889M (FY2025) | $3.0B (FY2026) |
| Primary segment | Photonics & Optics | Photonics & Optics |
| Market position | leader | major |
| Country | Japan | United States |
| Tracked suppliers | 3 | 4 |
| Tracked customers | 5 | 22 |
| Chokepoint / criticality | 81/100 | 68/100 |
Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.
How Hamamatsu Photonics and Lumentum Holdings compare
- Size: Lumentum Holdings is the larger company by market cap.
- Revenue: Lumentum Holdings reports higher tracked revenue.
- Supply-chain criticality: Hamamatsu Photonics has the higher chokepoint score (81/100 vs 68/100).
- Footprint: Hamamatsu Photonics (Japan) vs Lumentum Holdings (United States).
Company hubs
Hamamatsu Photonics · Lumentum Holdings · Distribution & Misc segment
Open the interactive comparison tool →
Cite as: wafergraph, “Hamamatsu Photonics vs Lumentum Holdings”, https://wafergraph.com/compare/hamamatsu-vs-lumentum (data as of 2026-10-09).
Frequently asked questions3
- Is Hamamatsu Photonics bigger than Lumentum Holdings?
- Lumentum Holdings is larger by market cap ($95.0B vs $4.4B).
- What's the difference between Hamamatsu Photonics and Lumentum Holdings?
- Hamamatsu Photonics is a leader in Photonics & Optics based in Japan; Lumentum Holdings is a major in Photonics & Optics based in United States. Both operate in the Distribution & Misc segment.
- Who are Hamamatsu Photonics's and Lumentum Holdings's suppliers?
- wafergraph tracks 3 suppliers for Hamamatsu Photonics and 4 for Lumentum Holdings; Lumentum Holdings's include Fabrinet, IQE, Coherent.