(Bloomberg) -- Investors poured an estimated $144 million into the Janus Global Unconstrained Bond Fund in May, the most new money going to Bill Gross’s mutual fund since December 2014.

The fund, which Gross runs with assistance from portfolio manager Kumar Palghat, is up 3.3% this year, outperforming 76% of its peers, according to data compiled by Bloomberg. It has returned 2.3% since Gross took over in October 2014.

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