Pro-Bush super-PAC raises $15 million to end 2015
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Right to Rise, the super-PAC supporting Jeb Bush’s presidential campaign, reported on Sunday raising $15.1 million in the second half of 2015.

Almost two-thirds of the committee's second-half funds came from a single contribution. A company owned by Hank Greenberg -- former head of American Insurance Group -- gave $10 million in October.

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The super-PAC raised a total of $118 million on behalf of the former Florida governor in 2015, and dominated the presidential field in terms of spending by burning through almost $60 million in one year.

In the fourth quarter of the year alone, the committee spent over $54 million to promote Bush, who has a RealClearPolitics polling average of 4.8 percent nationally.

Right to Rise has also targeted Sen. Marco RubioMarco Antonio Rubio10 top Republicans who continue to deny the undeniable George Conway hits Republicans for not saying Trump's name while criticizing policy Furious Republicans prepare to rebuke Trump on Syria MORE (R-Fla.), Bush's GOP rival, who has risen to the top of the so-called establishment candidate lane, yet still trails behind Sen. Ted CruzRafael (Ted) Edward CruzThe Hill's Morning Report - Lawmakers return to work as Dem candidates set to debate Cruz: 'Of course' it's not appropriate to ask China to investigate Bidens Sunday Show Preview: Trump's allies and administration defend decision on Syria MORE (R-Texas) and front-runner Donald TrumpDonald John TrumpBusiness school deans call for lifting country-specific visa caps Bolton told ex-Trump aide to call White House lawyers about Ukraine pressure campaign: report Federal prosecutors in New York examining Giuliani business dealings with Ukraine: report MORE.

And despite the committee’s high spending and diminished fundraising, it entered 2016 with $58.6 million on hand.