Sumco Overview

  • Year Founded
  • 1937

Year Founded

  • Status
  • Public

  • Employees
  • 10,960


  • Stock Symbol
  • 3436

Stock Symbol

  • Investments
  • 1

  • Share Price
  • $15.90
  • (As of Monday Closing)

Sumco General Information


Founded in 1999 as a joint venture between Nippon Steel and two Mitsubishi entities, Sumco is the world's second-largest semiconductor-grade silicon wafer manufacturer, with 24% market share in 2023. Sumco is headquartered in Tokyo and operates seven production sites across Japan. It also maintains sales and support offices in Taiwan, the U.S., the U.K., Indonesia, and Singapore. Sumco sells to most semiconductor manufacturers like TSMC, Intel, Samsung and Micron. The firm employs over 9,000 people.

Contact Information

Formerly Known As
Silicon United Manufacturing Corporation, Sumitomo Mitsubishi Silicon Corporation
Ownership Status
Publicly Held
Financing Status
Formerly PE-Backed
Primary Industry
General Purpose Semiconductors
Other Industries
Electronics (B2C)
Stock Exchange
Corporate Office
  • Seavance North, 1-2-1 Shibaura
  • Minato-ku
  • Tokyo, 105-8634
  • Japan
+81 00-0000-0000

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Sumco Stock Performance

(As of Monday Closing)

Stock Price Previous Close 52 wk Range Market Cap Shares Average Volume EPS
$15.90 $15.93 $12.21 - $17.52 $5.56B 350M 5.75M $0.62

Sumco Financials Summary

In Thousands,
TTM 31-Mar-2024 FY 2023 31-Dec-2023 FY 2022 31-Dec-2022 FY 2021 31-Dec-2021
EV 6,487,865 5,703,441 4,088,490 7,957,250
Revenue 2,834,158 3,031,388 3,356,327 3,056,753
EBITDA 1,162,727 1,302,071 952,857
Net Income 216,216 454,657 534,210 374,452
Total Assets 7,799,610 7,608,927 6,807,162 6,646,514
Total Debt 2,177,324 1,591,527 1,078,264 1,225,904
Public Fundamental Data provided by Morningstar, Inc. disclaimer

Sumco Valuation & Funding

Deal Type Date Amount Valuation/
Post-Val Status Debt

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Sumco Comparisons

HQ Location
Total Raised
Post Valuation
Founded in 1999 as a joint venture between Nippon Steel and two Mitsubishi entities, Sumco is the world's second-largest
General Purpose Semiconductors
Tokyo, Japan
10,960 As of 2023


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0000000000 (00000000
Munich, Germany
0000 As of 0000
00.000 0000-00-00
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Sumco Competitors (1)

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Siltronic Corporation Munich, Germany 0000 00000 000000&0
You’re viewing 1 of 1 competitors. Get the full list »

Sumco Patents

Sumco Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
JP-3245707-U Susceptor support shaft Active 21-Dec-2023
JP-2024055597-A Heater, single crystal manufacturing apparatus, single crystal manufacturing method Pending 07-Oct-2022
JP-2024044553-A How to model wafer shape and how to manufacture wafers Pending 21-Sep-2022
JP-2024043650-A Quartz glass crucible, its manufacturing method, and quartz powder for quartz glass crucible Pending 20-Sep-2022
JP-2024043993-A Semiconductor sample evaluation method Pending 20-Sep-2022
To view Sumco’s complete patent history, request access »

Sumco Executive Team (5)

Name Title Board Seat Contact Info
Mayuki Hashimoto Chief Executive Officer & Chairman
Toshihiro Awa Board Member & General Manager
Jiro Ryuta Board Member & Executive
You’re viewing 3 of 5 executive team members. Get the full list »

Sumco Board Members (8)

Name Representing Role Since
00000 00000 Sumco Board Member 000 0000
0000 00000 Sumco Board Member & Executive 000 0000
000000 000000000 Sumco Chief Executive Officer & Chairman 000 0000
000000000 00000 Sumco Board Member & Vice Chairman 000 0000
000000000 000 Sumco Board Member & General Manager 000 0000
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Sumco Signals

Growth Rate

0.80% Weekly
Weekly Growth 0.80%, 93rd %
-35.5%. 530%

Size Multiple

219x Median
Size Multiple 219x, 100th %ile
0.00x 0.95x. 413Kx

Key Data Points

Twitter Followers


Similarweb Unique Visitors


Majestic Referring Domains


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Sumco Investors

Investor Name Investor Type Holding Investor Since Participating Rounds Contact Info

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Sumco Acquisitions (1)

Company Name Deal Date Deal Type Deal Size Industry Lead Partner
High-Purity Silicon America Corporation 28-Oct-2022 0000000000 Other Chemicals and Gases
To view Sumco’s complete acquisitions history, request access »

Sumco ESG

Risk Overview

Risk Rating

Updated April, 27, 2024

29.82 | Med Risk

Risk Scale

A lower score indicates better sustainability












Exposure refers to the extent to which a company is exposed to different material ESG issues



Management is related to actions taken to manage ESG issues


Peers Analysis

Peer performance insights compare the company’s ESG performance to the performance of selected peers to help inform future ESG decisions and drive internal performance improvements.


Covered Companies

00 of 16,421






00 of 375




Semiconductor Design and Manufacturing


00 of 245




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Sumco FAQs

  • When was Sumco founded?

    Sumco was founded in 1937.

  • Who is the CEO of Sumco?

    Mayuki Hashimoto is the CEO of Sumco.

  • Where is Sumco headquartered?

    Sumco is headquartered in Tokyo, Japan.

  • What is the size of Sumco?

    Sumco has 10,960 total employees.

  • What industry is Sumco in?

    Sumco’s primary industry is General Purpose Semiconductors.

  • Is Sumco a private or public company?

    Sumco is a Public company.

  • What is Sumco’s stock symbol?

    The ticker symbol for Sumco is 3436.

  • What is the current stock price of Sumco?

    As of 20-May-2024 the stock price of Sumco is $15.90.

  • What is the current market cap of Sumco?

    The current market capitalization of Sumco is $5.56B.

  • What is Sumco’s current revenue?

    The trailing twelve month revenue for Sumco is $2.83B.

  • Who are Sumco’s competitors?

    Siltronic is a competitor of Sumco.

  • What is Sumco’s annual earnings per share (EPS)?

    Sumco’s EPS for 12 months was $0.62.

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