Glencore had a number of production facilities all around the world and supplied metals, minerals, crude oil, oil products, coal, natural gas and agricultural products to international customers in the automotive, power generation, steel production and food processing industries.[1] The company was formed in 1994 by a management buyout of Marc Rich + Co AG (itself founded in 1974).[5] It was listed on the London Stock Exchange in May 2011 and was a constituent of the FTSE 100 Index.[7][8] It had a secondary listing on the Hong Kong Stock Exchange, but it has withdrawn from January 2018.[9] Glencore's shares started trading on the Johannesburg Stock Exchange in November 2013.[10] The Qatar Investment Authority is its biggest shareholder.[11]