Story highlights Bernie Sanders' campaign raised nearly $26 million in April, it announced Sunday

That's a dip from Sanders' torrid fundraising pace in February and March

Indianapolis (CNN) Hillary Clinton's campaign, for the first time in 2016, out-raised rival Bernie Sander's campaign last month, according to their self-reported fundraising numbers.

Sanders raised $25.8 million in April -- short of his campaign's hauls of $44 million in March and $43.5 million in February, his campaign said Sunday.

Clinton's campaign said Monday that they brought in $26.4 million in primary funds in April. Clinton, who is slowly starting to turn her focus to the general election, starts May with $30 million in the bank. The Sanders campaign did not release that number.

But Sanders' dip from the previous month comes as the contest approaches its last states to vote, with the Vermont senator increasingly trailing Clinton in votes, pledged delegates and overall delegates, and suffering defeats in five out of six recent East Coast primaries, including New York.

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