(Bloomberg) -- Vanguard, the biggest U.S. mutual fund provider, attracted a record $236 billion in net deposits in 2015 as investors flocked to passively managed products.

The flood of money into the firm’s U.S. mutual funds and exchange-traded funds broke the previous record of $214.5 billion set in 2014, spokesman John Woerth wrote in an e-mail Tuesday. Vanguard, based in Valley Forge, Pa., manages $3.4 trillion.

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