Substrates market share 2024
As of 2024, the Substrates segment is led by Unimicron at 25%, followed by Ibiden at 20%. The market is competitive (HHI 1,418), with the top 3 firms holding 57% combined.
Data as of 2026-06-15 · basis: revenue (IC/ABF substrates) (2024) · confidence: estimate
Market share by company
| Company | Share | Market cap / revenue |
|---|---|---|
| Unimicron | 25% | $48.1B mkt cap |
| Ibiden | 20% | $42.5B mkt cap |
| Shinko Electric Industries | 12% | — |
| AT&S | 10% | $2.1B rev |
| Nan Ya PCB | 8% | $17.8B mkt cap |
| Kinsus Interconnect | 7% | $12.1B mkt cap |
| Samsung Electro-Mechanics | 6% | $7.4B rev |
| Other (fragmented tail) | 12% | — |
Source: https://en.wikipedia.org/wiki/Integrated_circuit_packaging. Shares are approximate consensus estimates rounded for legibility. The fragmented "other" tail is excluded from HHI, so the figure is a conservative lower bound.
Concentration
- HHI: 1,418 — Competitive
- Top firm (CR1): 25%
- Top 3 (CR3): 57%
- Top 5 (CR5): 75%