(Bloomberg) -- Pimco, the bond manager owned by German insurer Allianz, saw its biggest third-party inflows in four years in the first quarter as clients flocked to Chief Investment Officer Dan Ivascyn's Pimco Income Fund (PONAX).

The firm, based in Newport Beach, California, attracted $23 billion in the first three months of the year, the most since the first quarter of 2013, Allianz said Friday in a statement from Munich. Earnings at the asset management unit, which includes Allianz Global Investors, rose 24%, helping put Europe's largest insurer ahead of target.

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