SUMCO Corp. engages in the manufacture and sale of silicon wafers for semiconductor industry. Its silicon products range from single crystal silicon ingots to polished, epitaxial and silicon-on-insulator wafers. The company was founded on July 30, 1999 and is headquartered in Tokyo, Japan.
Company profile
Ticker
SUMCF, SUOPY
Exchange
Website
CEO
Mayuki Hashimoto
Employees
Location
SEC CIK
SUMCF stock data
Latest filings (excl ownership)
F-6EF
Automatic registration for ADRs (foreign)
22 Nov 19
F-6 POS
Automatic registration for ADRs (post-effective amendment, foreign)
29 Sep 17
F-6 POS
Automatic registration for ADRs (post-effective amendment, foreign)
20 Aug 15
F-6EF
Automatic registration for ADRs (foreign)
30 Jul 10
RW
Registration withdrawal request
4 Nov 08
F-6EF
Automatic registration for ADRs (foreign)
31 Oct 08
SUPPL
Supplemental materials (foreign)
24 Oct 08
SUPPL
Supplemental materials (foreign)
7 Jul 08
ARS
2008 FY
Annual report to shareholders
13 May 08
F-6EF
Automatic registration for ADRs (foreign)
20 Mar 08
Latest ownership filings
No filings
Institutional ownership, Q4 2019
13F holders | Current |
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Total holders | 0 |
Opened positions | 0 |
Closed positions | 0 |
Increased positions | 0 |
Reduced positions | 0 |
13F shares | Current |
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Total value | 0.00 |
Total shares | 0.00 |
Total puts | 0.00 |
Total calls | 0.00 |
Total put/call ratio | – |
Largest owners | Shares | Value |
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