(Bloomberg) -- Dan Ivascyn's Pimco Income Fund keeps raking in money.

The fund, co-managed by Ivascyn and Alfred Murata, celebrates its 10th anniversary this week by becoming the largest actively managed fixed-income mutual fund with $79.1 billion, according to Pimco's website Tuesday. Pimco Income (PONAX) passed Metropolitan West Total Return Bond Fund (MWTRX) as investors added approximately $3 billion in March, a monthly record, according to estimates by Bloomberg.

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