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World's #2 maker of silicon wafers, the base material used to fabricate semiconductor chips.
World's #2 maker of silicon wafers, the base material used to fabricate semiconductor chips.
Sells wafers under multi-year supply agreements that fix volumes and are repriced as markets move, with the 300mm size for advanced and memory chips the biggest line. A downturn in chip demand shows up quickly in the utilisation of its plants.
In one line: A pure-play silicon-wafer maker like GlobalWafers.
Moat: narrow (scale, customer qualification, process know-how). Oligopoly (with Shin-Etsu) supplying qualified, long-term wafer contracts to major chipmakers.
Headquarters: Tokyo, Japan · Founded: 1999 · Employees: 9,714
Size Sumco (3436.T) is a Japan Information Technology company (Industrial Machinery) with a market value of $3.96B, the 289th largest of 1,379 Japan companies the cockpit tracks. Shares closed at ¥1,784 on 6 Nov 2026.
Performance Over six months the shares fell 27.7%, against -38.1% for the median peer and +1.8% for the Japan market (cap-weighted) — 7th highest of 15 in its peer set.
Growth Revenue grew 3.9% over the last twelve months (peer median +9.0%); the operating margin is -4.5% (peer median 16.2%).
Valuation It trades at 2.3× enterprise value to sales against a peer median of 2.5× (6th cheapest of 14).
Capital Return on invested capital runs 11.7 points below its cost of capital (10.4% WACC).
Next results Next results expected around 11 Nov 2026 (exchange calendar; dates can move).
| TTM | FY2025 | FY2024 | FY2023 | FY2022 | |
|---|---|---|---|---|---|
| Revenue | ¥419B | ¥410B | ¥397B | ¥426B | ¥441B |
| Revenue growth | — | +3% | -7% | -3% | — |
| Gross profit | ¥32.8B | ¥34.0B | ¥70.9B | ¥108B | ¥143B |
| EBITDA | ¥112B | ¥112B | ¥114B | ¥145B | ¥170B |
| Net income | -¥27.7B | -¥11.8B | ¥19.9B | ¥63.9B | ¥70.2B |
| Free cash flow | n/a | -¥11.0B | -¥178B | -¥161B | ¥54.0B |
| Capital expenditure | n/a | ¥111B | ¥247B | ¥257B | ¥125B |
| Total debt | ¥367B | ¥354B | ¥354B | ¥224B | ¥141B |
The default views of Competitor Analysis ▸ Charts, drawn from the same data. Open them in the cockpit to change the axes, pin companies and read every value.
| Company | Market cap | 6M return | Revenue growth | Op. margin | EV / Sales | Req g |
|---|---|---|---|---|---|---|
| Sumco 3436.T | $3.96B | -28% | +4% | -4% | 2.3× | n/a |
| Shin-etsu Chemical 4063.T | $66.5B | -27% | +5% | 25% | 3.4× | 8.9% |
| GlobalWafers 6488.TWO | $8.15B | -23% | -6% | 11% | 4.6× | n/a |
| Siltronic WAF.DE | $1.86B | -46% | +1% | -16% | 1.9× | n/a |
Peer set: Industry: the same industry and sector in any market, nearest in size. This is the same default set the interactive Competitor Analysis opens with.
| Measure | 3436.T | Peer median | Rank in peer set |
|---|---|---|---|
| 1-month return | -52.1% | -33.3% | 2nd lowest of 15 |
| 6-month return | -27.7% | -38.1% | 7th highest of 15 |
| Distance from 52-week high | -70.0% | -55.8% | 3rd lowest of 15 |
| Revenue growth (TTM) | +3.9% | +9.0% | 8th highest of 15 |
| Operating margin | -4.5% | 16.2% | lowest of 14 |
| EV / Sales | 2.3× | 2.5× | 6th cheapest of 14 |
| ROIC minus cost of capital | -11.7 pp | -1.7 pp | lowest of 15 |
| EV / EBITDA | 8.5× | 15.9× | 2nd cheapest of 14 |
| Net debt / EBITDA | 2.3× | -0.9× | 4th most indebted of 14 |
| Company | Market | Market cap | 6M return | Revenue growth | Op. margin | EV / Sales | Req g | Delivered g |
|---|---|---|---|---|---|---|---|---|
| Sumco 3436.T | Japan | $3.96B | -28% | +4% | -4% | 2.3× | n/a | n/a |
| GPGI GPGI | United States | $4.12B | +2% | -100% | n/a | n/a | n/a | n/a |
| Badger Meter BMI | United States | $4.52B | +33% | -2% | 19% | 5.0× | 10.9% | +16.6% |
| Kulicke and Soffa Industries, I KLIC | United States | $3.35B | -38% | +44% | 13% | 3.0× | 24.4% | +1.0% |
| Crane NXT CXT | United States | $3.31B | +27% | +17% | 16% | 2.5× | 7.8% | -9.7% |
| ACM Research ACMR | United States | $3.11B | -25% | +27% | 13% | 2.5× | n/a | n/a |
| Axcelis Technologies ACLS | United States | $3.06B | -39% | -3% | 10% | 3.1× | 31.2% | +12.1% |
| Omron 6645.T | Japan | $5.79B | -17% | -2% | 9% | 1.3× | 11.7% | +3.2% |
| EO Technics 039030.KS | South Korea | $2.53B | -39% | +26% | 25% | 7.0× | 18.0% | +3.2% |
| Ultra Clean UCTT | United States | $1.97B | -53% | +16% | 4% | 1.1× | n/a | n/a |
| Screen 7735.T | Japan | $9.20B | -24% | +3% | 20% | 2.0× | 17.3% | +13.6% |
| HANMISemi 042700.KS | South Korea | $11.3B | -56% | -20% | 42% | 27.6× | 41.7% | +17.5% |
| MKS MKSI | United States | $13.0B | -39% | +16% | 17% | 3.8× | 24.0% | +11.0% |
| Ichor ICHR | United States | $1.16B | -58% | +15% | 3% | 1.0× | n/a | n/a |
| Shibaura Mechatronics 6590.T | Japan | $1.03B | -51% | +1% | 16% | 1.7× | n/a | n/a |