Paulson & Company has reported gains of over $1 billion from its stake in Citigroup over the past 18 months, Financial Times reports. The bank was the most profitable position for Paulson’s flagship, Advantage fund. In 2010, Citi gained 43% and was Paulson’s most profitable bank position. The hedge fund manager also reported that employees now account for around 42% of its assets, with around $14.9 billion invested.

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