Washington (CNN) - Together American Crossroads and Crossroads GPS raised $51 million in 2011, according to the groups' communications director Jonathan Collegio.
He said American Crossroads the super PAC raised $18.4 million and Crossroads GPS raised $32.6 million. Only the super PAC is required to declare its funding to the Federal Election Commission today.
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According to Collegio, American Crossroads, the PAC, has $15.6 million cash on hand.
The Crossroads groups are advised by GOP heavyweights Karl Rove and Haley Barbour and are run together by former Bush Administration aide Steven Law. They are outside spending groups dedicated to blocking President Obama's agenda and electing Republicans in 2012. According to Law, they hope to raise and spend $300 million this election cycle.
American Crossroads, the super PAC, makes its donors public in its filing with the FEC. But Crossroads GPS –like many new groups– is only required to release its donor list to the IRS.
One of the most generous donations is a $5 million contribution from Texas businessman Harold Simmons. Simmons was a funder of the "swift boat" ads that helped sink Massachusetts Senator John Kerry's bid for the Presidency in 2004. Tribune media executive Sam Zell gave $100,000.
What's noteworthy about the $51 million haul –in addition to the huge figure– is the group amassed that money in a non-election year. In 2011 they ran ads and engaged in advocacy around the debt limit fight –to the tune of fifteen million dollars– and got involved in anti-government employee union advocacy during Gov. Scott Walker's battle in Wisconsin. They also put up ads bracketing the president on his bus tour after his jobs speech at the end of the year.