BP Plc, the second-largest publicly traded oil company, and state-owned Malaysian and Chinese oil producers, bought about a quarter of the US$10.4 billion of shares sold in Russia's OAO Rosneft, which was Europe's biggest IPO in seven years.

Malaysian state oil company Petroliam Nasional Bhd, or Petronas, bought US$1.1 billion of stock, BP gained US$1 billion and China National Petroleum Corp acquired US$500 million of shares, Rosneft Chief Executive Officer Sergei Bogdanchikov said at the Group of Eight summit in St Petersburg, Russia.

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