Investors pulled $1.57 million in February from the Janus Global Unconstrained Bond Fund run by closely followed investor Bill Gross, down from cash withdrawals of $14 million in January, Morningstar data showed on Tuesday.The Janus Global Unconstrained Bond Fund's assets under management stood at $1.26 billion at the end of February, Morningstar said. So far this year, the fund is up 0.84 percent, compared to its non-traditional bond fund category peers which are down 0.84 percent on average.