Eight Democrats have topped $1 million raised in the last three months. Sen. Al FrankenAlan (Al) Stuart FrankenPawlenty opts out of Senate run in Minnesota EMILY’s List president: Franken did 'right thing for Minnesota' Dem pledges to ask all court nominees about sexual harassment history under oath MORE (Minn.) leads the pack so far with just under $2 million raised, with Sen. Mark PryorMark Lunsford PryorMedicaid rollback looms for GOP senators in 2020 Cotton pitches anti-Democrat message to SC delegation Ex-Sen. Kay Hagan joins lobby firm MORE (Ark.) close behind after a $1.9 million quarter. Sen. Kay HaganKay Ruthven HaganPolitics is purple in North Carolina Democrats can win North Carolina just like Jimmy Carter did in 1976 North Carolina will be a big battleground state in 2020 MORE (N.C.) brought in $1.6 million, Sen. Mark UdallMark Emery UdallDemocratic primary could upend bid for Colorado seat Picking 2018 candidates pits McConnell vs. GOP groups Gorsuch's critics, running out of arguments, falsely scream 'sexist' MORE (Colo.) raised $1.5 million, and Sens. Mary LandrieuMary LandrieuProject Veritas at risk of losing fundraising license in New York, AG warns You want to recall John McCain? Good luck, it will be impossible CNN producer on new O'Keefe video: Voters are 'stupid,' Trump is 'crazy' MORE (La.) and Jeanne ShaheenCynthia (Jeanne) Jeanne ShaheenSupreme Court to hear online sales tax case State official indicates US military role in Syria post-ISIS centered on Iran Overnight Health Care: Dems press HHS pick on drug prices | Alexander, Trump discuss ObamaCare fix | Senate Dems seek B to fight opioids | Maryland eyes ObamaCare mandate replacement MORE (N.H.) brought in $1.2 million apiece. Landrieu has just shy of $3.5 million in the bank for her reelection push.

Early money is key for these candidates, as many are likely to face well-funded challengers and Republican-affiliated outside groups have a big cash advantage. Candidates also get air time at cheaper rates than committees and outside groups, making their money go further. 

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One caveat: Sens. Max BaucusMax Sieben BaucusSteady American leadership is key to success with China and Korea Orrin Hatch, ‘a tough old bird,’ got a lot done in the Senate Canada crossing fine line between fair and unfair trade MORE (D-Mont.) and Mark BegichMark Peter BegichPerez creates advisory team for DNC transition The future of the Arctic 2016’s battle for the Senate: A shifting map MORE (D-Alaska) haven't posted their fundraising totals, and candidates with lower numbers often wait until the last minute to put their numbers out. Baucus already has $3.6 million in the bank, however, money that goes far in the inexpensive state. Begich had just shy of $1 million as of the end of 2012.

Another solid haul comes from Rep. Bruce BraleyBruce Lowell BraleyOPINION | Tax reform, not Trump-McConnell feuds, will make 2018 a win for GOP Ten years later, House Dems reunite and look forward Trump: Ernst wanted 'more seasoning' before entertaining VP offer MORE (Iowa), Democrats' likely nominee to replace retiring Sen. Tom HarkinThomas (Tom) Richard HarkinOrrin Hatch, ‘a tough old bird,’ got a lot done in the Senate Democrats are all talk when it comes to DC statehood The Hill's 12:30 Report MORE (D-Iowa). Braley brought in $1 million as well.

In most of these races there are no announced GOP candidates, giving Democrats a jump-start on fundraising. Rep. Shelley Moore CapitoShelley Wellons Moore CapitoGOP may increase IRS’s budget People with addiction issues should be able to control their own health data Trump signs bipartisan bill to combat synthetic opioids MORE (W.Va.), the GOP front-runner to replace retiring Sen. Jay RockefellerJohn (Jay) Davison RockefellerOvernight Tech: Trump nominates Dem to FCC | Facebook pulls suspected baseball gunman's pages | Uber board member resigns after sexist comment Trump nominates former FCC Dem for another term Obama to preserve torture report in presidential papers MORE (D-W.Va.) did have a strong haul for an inexpensive state, bringing in more than $900,000. Rep. Bill Cassidy (R-La.), who recently announced a bid against Landrieu, brought in $500,000 but has a strong $2.4 million warchest.

Pryor, Landrieu, Hagan, Begich and Baucus are likely the most vulnerable incumbents.