WASHINGTON (CNN) Sen. Amy Klobuchar raised more than $5.2 million in the first seven weeks of her presidential bid, the Minnesota Democrat's campaign announced Monday.

Her fundraising haul appeared to edge her just past another senator vying for the Democratic presidential nomination, Sen. Cory Booker, who raised about $5 million. But Klobuchar, now in her third Senate term, ranks behind the early leaders in fundraising -- led by Vermont Sen. Bernie Sanders, who collected $18.2 million during the first 41 days of his campaign, and California Sen. Kamala Harris, who raised $12 million in the first quarter.

Klobuchar's fundraising also lagged behind that of former Texas congressman Beto O'Rourke, who entered the race more than a month after the Minnesotan and collected $9.4 million in just 18 days. He benefited from an enormous donor base built during his 2018 Senate bid. His strength as a small-dollar fundraiser helped him collect a record-smashing $80 million on his way to losing Texas Sen. Ted Cruz.

Klobuchar coasted to re-election in Minnesota last fall and ended her Senate campaign with more than $3 million in leftover funds. Those reserves helped her start April with $7 million remaining in the bank.

Two other Democratic contenders have announced how much money they have remaining in their bank accounts: Sanders with $28 million and Booker with $6.1 million.

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