(CNN) – Financial disclosure forms filed with the Federal Election Commission Tuesday show GOP presidential candidate Mitt Romney and the super PAC supporting his candidacy raising millions of dollars more than his rivals, while also outspending fellow candidates nearly two to one.
Romney took in $12 million in February, according to his financial filing, the highest of any GOP presidential candidate. Rick Santorum, who won early-February contests in Missouri, Minnesota and Colorado, raised $9 million.
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When combined with money raised by their respective super PACs, Romney and his allies took in a total $18.4 million, compared to the $12 million Santorum and his aligned super PAC raised.
Likewise, spending by Romney and his super PAC was more than double the amount spent by Santorum and his group. Romney and Restore Our Future spent $24.5 million in February, while Santorum and the Red, White and Blue Fund spent just under $11 million.
The largest contributor to Restore Our Future in February was Bob Perry, a builder in Texas who gave the group $3 million February 15. Perry was also a major contributor to "Swift Vets and POWs for Truth," the independent group that ran negative ads against Sen. John Kerry during his bid for president in 2004.
Payday loan company Advance America also contributed $25,000 to the group, the first time the organization has donated to the pro-Romney super PAC. Lenders offering payday loans have come under intense fire from consumer advocates, who say they exploit people by charging high interest rates.
Other candidates in the race stood behind the two frontrunners in both fundraising and spending. Newt Gingrich, who didn't win a single contest in February, raised $2.6 million last month. The super PAC supporting him, Winning our Future, took in $5.7 million, almost all of which came from the family of Sheldon Adelson, the Las Vegas casino magnate.
Gingrich and Winning Our Future spent a combined $8.5 million in February.
Gingrich's campaign was also the largest holder of debt for any GOP presidential effort, owing a total $1.5 million. Santorum reported $922,448 in debt in Tuesday's filings. Romney's campaign said they had no outstanding debt.
The largest cash holder going into March was Romney, whose campaign had $7.3 million cash on hand at the end of last month. Santorum reported $2.6 million cash on hand, and Gingrich's campaign said it had $1.5 million.
Meanwhile, the Democrat the GOP candidates are seeking to defeat, President Barack Obama, raised $21.3 million through his campaign in February, and took in a total $45 million when combined with the Democratic National Committee and other fundraising committees.
The super PAC backing Obama, Priorities USA Action, raised $2 million in February, less than the super PACs supporting Romney, Santorum or Gingrich.
Obama's campaign spent $12.6 million in February, and reported having $85 million cash on hand.