ArrowArtboardCreated with Sketch.Title ChevronTitle ChevronIcon FacebookIcon LinkedinIcon Mail ContactPath LayerIcon MailPositive ArrowIcon PrintIcon Twitter
Non-Energy Minerals

Sumitomo Metal Mining Co., Ltd.

Business Summary

Sumitomo Metal Mining Co., Ltd. engages in the mining business. It operates through the following segments: Mineral Resources, Smelting and Refining, Materials, and Others. The Mineral Resources segment includes the exploration, development and production of non-ferrous metal resources as well as the sale of ores and other products. The Smelting and Refining segment sells copper, nickel, ferro-nickel, zinc, lead, and precious metals such as gold, silver, and platinum. The Materials segment manufactures and sells lead frames, tape materials, bonding wires, and advanced materials. The Others segment includes real estate and technical engineering. The company was founded by Riemon Soga in 1590 and is headquartered in Tokyo, Japan.

Financial Highlights

Mar 2021 JPYUSD
Gross Profit149,235M1,407.11M
Operating income112,581M1,061.50M
Income before tax114,660M1,081.11M
Net income94,604M892.00M
Diluted EPS344.293.24
Dividends Per Share1211.14
Total Assets1,885.99B17,067.86M
Total liabilities663,016M6,000.14M
Total equity1,113.92B10,080.75M
Operating cash flow91,522M862.94M
Currency in JPYCurrency in USD

Historical Data

 Mar 2017Mar 2018Mar 2019Mar 2020Mar 2021
Revenue 786,146M 929,746M 912,208M 851,946M 926,122M
Gross Profit 122,296M 149,015M 126,637M 109,708M 149,235M
Operating income 76,390M 103,195M 77,308M 63,940M 112,581M
Income before tax -5,999M 108,286M 89,371M 72,857M 114,660M
Net income -18,540M 90,227M 66,790M 60,600M 94,604M
EBITDA 120,766M 149,957M 120,849M 109,486M 159,218M
Diluted EPS -67.22 295.30 243.05 220.53 344.29
Dividends Per Share 22 100 73 78 121
Total Assets 1,685.01B 1,732.33B 1,797.70B 1,719.69B 1,885.99B
Total liabilities 661,058M 618,984M 646,421M 608,830M 663,016M
Total equity 961,690M 1,029.38B 1,047.56B 1,001.94B 1,113.92B
Operating cash flow 43,796M 67,430M 114,744M 136,545M 91,522M
 Mar 2017Mar 2018Mar 2019Mar 2020Mar 2021
Revenue 7,259.80M 8,388.75M 8,225.89M 7,835.73M 8,732.27M
Gross Profit 1,129.36M 1,344.50M 1,141.95M 1,009.03M 1,407.11M
Operating income 705.43M 931.09M 697.13M 588.08M 1,061.50M
Income before tax -55.39M 977.02M 805.90M 670.09M 1,081.11M
Net income -171.21M 814.08M 602.28M 557.36M 892.00M
EBITDA 1,115.23M 1,353.00M 1,089.76M 1,006.99M 1,501.24M
Diluted EPS -0.62 2.66 2.19 2.02 3.24
Dividends Per Share 0.20 0.90 0.65 0.71 1.14
Total Assets 15,121.76M 16,288.97M 16,241.59M 15,929.69M 17,067.86M
Total liabilities 5,932.49M 5,820.25M 5,840.18M 5,639.66M 6,000.14M
Total equity 8,630.44M 9,679.21M 9,464.34M 9,281.14M 10,080.75M
Operating cash flow 404.44M 608.39M 1,034.71M 1,255.86M 862.94M

Valuation Measures

Mar 2021
Operating margin12.15%
Profit margin10.21%

Key executives

  • President & Representative Director: Akira Nozaki
  • Manager-Accounting & Head-Secretariat: Masahiro Morimoto
  • Managing Executive Officer & GM-Technology: Atsushi Idegami
  • Director & Executive Officer: Nobuhiro Matsumoto
  • Managing Executive Officer & GM-Resources Business: Norifumi Ushirone


  • Nomura Asset Management Co., Ltd. (5.6%)
  • Sumitomo Metal Mining Co., Ltd. (5.5%)
  • Toyota Motor Corp. (3.8%)
  • Nikko Asset Management Co., Ltd. (2.3%)
  • Daiwa Asset Management Co. Ltd. (2.2%)
  • The Vanguard Group, Inc. (2.0%)
  • Baillie Gifford & Co. (1.5%)
  • BlackRock Fund Advisors (1.5%)
  • Mitsubishi UFJ Kokusai Asset Management Co., Ltd. (1.3%)
  • Sumitomo Mitsui Financial Group, Inc. (1.3%)

Contact Details

  • Website:
  • Address: Shimbashi Sumitomo Building, 5-11-3 Shinbashi, Tokyo, 105-8716, Japan
  • Phone: +81.3.3436.7705

Related Companies

  • SMM Gold Cote, Inc.
  • Ohkuchi Materials Co., Ltd.
  • JCO Co., Ltd.
  • Sumitomo Metal Mining Pension Fund
  • Sumitomo Metal Mining Co. Ltd. /Pogo Mine/
  • Sumitomo Metal Mining Co. Ltd. /Pogo Gold Mine/
  • SMM Exploration Corp.
  • Shinko Co. Ltd. /Sumitomo/
  • Sumitomo Metal Mining Co., Ltd. /3 Subsidiaries/
  • SH Materials Co., Ltd.
  • Sumitomo Metal Mining Co. Ltd. /Morenci Copper Mine/
  • SMM Sierra Gorda Inversiones Ltda.
  • SMM Holland BV
  • Sumac Mines Ltd.
  • Sumitomo Metal Mining Management (Shanghai) Co., Ltd.
  • Sumitomo Metal Mining do Brasil Ltda.
  • SMM Solomon Ltd.
  • Malaysian Electronics Materials Sdn. Bhd.
  • SMMA Candelaria, Inc.
  • Sumitomo Metal Mining Peru SA
  • SMM-SG Holdings Inversiones Ltda.
  • Sumitomo Metal Mining Chile Ltda.
  • Sumitomo Metal Mining Canada Ltd.
  • Sumiko Advanced Materials (Suzhou) Co. Ltd.
  • SMM Korea Co., Ltd.
  • Taiwan Sumiko Materials Co., Ltd.
  • Dongguan Sumiko Electronic Paste Co., Ltd.
  • Shanghai Sumiko Electronic Paste Co., Ltd.
  • Sumiko Tape Materials Singapore Pte Ltd.
  • Sumitomo Metal Mining Pogo LLC


  • Ecopro Co., Ltd.
  • Ecopro BM Co., Ltd.
  • Hudbay Minerals Inc
  • Shen Mao Technology Inc.
  • Boliden AB
  • Zijin Mining Group Co., Ltd. Class H
  • Lumina Gold Corp.
Last Updated on 30 Nov, 2021

Nikkei Asian Review, now known as Nikkei Asia, will be the voice of the Asian Century.

Celebrate our next chapter
Free access for everyone - Sep. 30

Find out more