With stock buybacks of $10.50 billion in the 12 months through September 2025, Citigroup Inc. (NYSE:C) is among the 20 Stocks with the Biggest Share Buybacks. Citigroup Inc. (NYSE:C) was reported on April 28 to be involved in restructuring discussions surrounding Spirit Airlines, Inc., as holders of a $275 million senior revolving credit facility administered by Citi were said to support a proposed $500 million bailout package, according to the Financial Times. The development highlights Citigroup’s centr ...