Eight Democrats have topped $1 million raised in the last three months. Sen. Al FrankenAlan (Al) Stuart Franken100 days after House passage, Gillibrand calls on Senate to act on sexual harassment reform Eric Schneiderman and #MeToo pose challenges for both parties Senate confirms Trump judicial pick over objections of home-state senator 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 Hagan2020 Dems compete for top campaign operatives Senate GOP rejects Trump’s call to go big on gun legislation Politics is purple in North Carolina MORE (N.C.) brought in $1.6 million, Sen. Mark UdallMark Emery UdallSenate GOP rejects Trump’s call to go big on gun legislation Democratic primary could upend bid for Colorado seat Picking 2018 candidates pits McConnell vs. GOP groups MORE (Colo.) raised $1.5 million, and Sens. Mary LandrieuMary Loretta LandrieuLandrieu dynasty faces a pause in Louisiana Senate GOP rejects Trump’s call to go big on gun legislation Project Veritas at risk of losing fundraising license in New York, AG warns MORE (La.) and Jeanne ShaheenCynthia (Jeanne) Jeanne ShaheenJudd Gregg: 'Medicare for all' means rationing for everyone The Hill's Morning Report - Sponsored by CVS Health - A pivotal day for House Republicans on immigration Overnight Defense: Senate confirms Haspel as CIA chief | Trump offers Kim 'protections' if he gives up nukes | Dem amendments target Trump military parade 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 BaucusClients’ Cohen ties become PR liability Green Party puts Dem seat at risk in Montana Business groups worried about Trump's China tariffs plan 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 HarkinDem Senator open to bid from the left in 2020 Senate GOP rejects Trump’s call to go big on gun legislation Trump should require federal contractors to follow the law 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 CapitoTrump's plan to claw back spending hits wall in Congress House lawmakers to unveil water resources bill on Friday Trump makes Manchin top target for midterms MORE (W.Va.), the GOP front-runner to replace retiring Sen. Jay RockefellerJohn (Jay) Davison RockefellerSenate GOP rejects Trump’s call to go big on gun legislation Overnight 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 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.