BlackRock has reported results for the first quarter that ended on March 31, 2011. The firm’s net income in the first quarter of 2011 was $568 million, as compared to $145 million in the first quarter of the previous year. BlackRock’s operating income in the first quarter was $798 million, while its non-operating income was $19 million. Its assets under management rose to $3.648 trillion, up 8.5% from a year earlier and 2.5% from the prior quarter.

Click here for the release from BlackRock.