SUMCO Corporation Logo

SUMCO Corporation

🇯🇵
3436
JP3322930003

SUMCO Corporation is a global leader in the manufacturing of ultra-pure silicon wafers. The company supplies essential materials to the worldwide semiconductor industry, enabling the production of microchips and innovative electronics. Through its products, SUMCO drives technological advancement and digital transformation.

Next Quarterly Earnings

Thursday, November 5, 2026
CW 45
Pre-Market
In 69 days

Pre-market — typically early morning before trading starts (around 7–8 a.m. CET).

Quiet period starts on October 8, 2026

Stock Price

Frequently asked questions

When will SUMCO Corporation report its next quarterly earnings?

SUMCO Corporation is scheduled to report its next quarterly earnings on 11/05/2026. Pre-market — typically early morning before trading starts (around 7–8 a.m. CET).

When did SUMCO Corporation last report quarterly earnings?

SUMCO Corporation last reported quarterly earnings on 8/6/2026 (Q2 2026). Earnings per share (EPS) came in at -12.65 JPY.

How does SUMCO Corporation stock react to earnings?

Across its last 4 earnings reports, SUMCO Corporation stock moved by ±2.8% on average the following day. The largest reaction was +4.1% on 02/10/2026; 4 of 4 reactions were positive.

How often has SUMCO Corporation beaten expectations?

SUMCO Corporation has beaten analyst EPS estimates in 1 of its last 5 evaluated quarters (beat rate: 20%).

How do I add the SUMCO Corporation earnings dates to my calendar?

Use the 'Subscribe in calendar' button on this page to add all dates to Google Calendar, Apple Calendar or Outlook. Dates update automatically when they change.

All Dates

Q3 2026
Estimate:-¥9.75
Actual:
Q2 2026
Missed
Estimate:-¥6.13
Actual:-¥12.65
Difference:-¥6.52
Q1 2026
Missed
Estimate:-¥14.73
Actual:-¥24.22
Difference:-¥9.50
Price reaction (1 day):+4.1 %
Price reaction (7 days):-18.1 %
Q4 2025
Missed
Estimate:-¥20.28
Actual:-¥30.75
Difference:-¥10.47
Price reaction (1 day):+4.1 %
Price reaction (7 days):-9.1 %
Q3 2025
Missed
Estimate:-$5.57
Actual:-$11.66
Difference:-$6.09
Price reaction (1 day):+2.2 %
Price reaction (7 days):-9.3 %
Q1 2025
Beat
Estimate:-$2.95
Actual:$0.10
Difference:+$3.05
Q4 2024
Estimate:
Actual:
Price reaction (1 day):+0.8 %
Price reaction (7 days):-1.4 %

Earnings statistics

Stock reaction to earnings

±2.8%
Avg. next-day move
+4.1%
Largest move (02/10/2026)
100%
Share of positive reactions
±9.5%
Avg. move after 7 days

Basis: price reactions to the last 4 report dates (close to close).

Estimates vs. results

1/5
Quarters above estimates
20%
Beat rate
-44.5%
Avg. EPS surprise

Basis: 5 quarters with an analyst estimate and reported EPS.

Past price reactions are not a reliable indicator of future performance.

Company Information

Name
SUMCO Corporation
Ticker Symbol
3436
ISIN
JP3322930003
Country
🇯🇵
Japan
Sector