Stock listing
OTC:SUMCF SUMCO Corporation Stock
US listing (OTC) of SUMCO Corporation · home listing Tokyo:3436
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Share price · OTC:SUMCF
$16.11 USD +1.02 (+6.8%)
Close on Oct 27, 2026
- Day range
- $14.53 – $16.11 USDOct 27, 2026
- Volume
- 1,600 sharesOct 27, 2026
- Market cap
- $5.63B USDAt the close on Oct 27, 2026 · price × 349.7M shares outstanding

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| OTC:SUOPY | $31.18 USD | +1.44 (+4.8%) | 398 | $31.16 | $31.18 | $31.16 | $29.74 | Close on Oct 27, 2026 |
| OTC:SUMCF | $16.11 USD | +1.02 (+6.8%) | 1,600 | $14.53 | $16.11 | $14.53 | $15.09 | Close on Oct 27, 2026 |
| Munich:S3X | €13.56 EUR | +0.384 (+2.9%) | — | €13.56 | €13.57 | €13.56 | €13.18 | Close on Oct 27, 2026 |
| Dusseldorf:S3X | €12.73 EUR | -1.21 (-8.7%) | — | €13.04 | €13.04 | €12.73 | €13.94 | Close on Oct 30, 2026 |
- Ticker
- OTC:SUMCF
- Asset type
- Stock
- Sector
- Technology
- Industry
- Semiconductors
- Exchange
- OTC
- Currency
- USD
What changed lately
Latest news release · Aug 27, 2026
Notice Concerning Completion of Reclassification of a Consolidated Subsidiary (to an Equity-Method Affiliate)
Latest earnings call · May 12, 2026
Sumco (Tokyo:3436) Q1 2026 Earnings Call
Replay and transcript
Latest deck · Aug 6, 2026
Q2 2026 Earnings Presentation
Earnings · 25 slides
Calls
Replays
Sumco (Tokyo:3436) Q1 2026 Earnings Call
Tue, May 12, 2026 · 1:30 AM ET
Watch TranscriptSumco (Tokyo:3436) Q4 2025 Earnings Call
Tue, Feb 10, 2026 · 1:30 AM ET
Watch TranscriptSumco (Tokyo:3436) Q3 2025 Earnings Call
Wed, Nov 12, 2025 · 1:30 AM ET
Watch Transcript
Latest news
Decks
Q2 2026 Earnings Presentation
Earnings · 25 slides · Aug 6, 2026
Q1 2026 Earnings Presentation
Earnings · 21 slides · May 12, 2026
Sumco Corp Ord — Q1 2026 Earnings Presentation
Earnings · 21 slides · May 12, 2026
Sumco Corp Ord — Q4 2025 Earnings Presentation
Earnings · 14 slides · Feb 10, 2026
SUMCO Corporation on 6ix
- Sector
- Technology
- Industry
- Semiconductors
- News releases
- 7 in the last 12 months · 23 in all · newest Aug 27, 2026 · oldest 2021
- Calls
- 16 calls with a replay · 16 with a transcript · latest May 12, 2026
- Decks
- 15 decks · latest Aug 6, 2026
Where SUMCO Corporation is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| Tokyo:3436 · Home listing | Tokyo | Japan | JPY |
| OTC:SUOPY | OTC | United States | USD |
| OTC:SUMCF · This page | OTC | United States | USD |
| gettex:S3X | gettex | Germany | EUR |
| Tradegate:S3X | Tradegate | Germany | EUR |
| LS Exchange:A0HGFA | LS Exchange | Germany | EUR |
| Lang & Schwarz:A0HGFA | Lang & Schwarz | Germany | EUR |
| Frankfurt:S3X | Frankfurt | Germany | EUR |
| Munich:S3X | Munich | Germany | EUR |
| gettex:S3X0 | gettex | Germany | EUR |
| Hamburg:S3X | Hamburg | Germany | EUR |
| Hanover:S3X | Hanover | Germany | EUR |
| Stuttgart:S3X | Stuttgart | Germany | EUR |
| Dusseldorf:S3X | Dusseldorf | Germany | EUR |
| Munich:S3X0 | Munich | Germany | EUR |
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