Senate Majority PAC
Democratic Senate super PAC; principal Schumer-aligned outside-spending vehicle for Senate races.
Last refreshed: 19 May 2026
Can Senate Majority PAC close a $118 million outside-spending gap to hold the Senate for Democrats?
Timeline for Senate Majority PAC
Mentioned in: DCCC banks record quarter on borrowed time
US Midterms 2026What is Senate Majority PAC and who controls it?
How much money does Senate Majority PAC have for 2026?
How does Senate Majority PAC compare to the Senate Leadership Fund?
Background
Senate Majority PAC is the principal outside-spending vehicle for Democratic Senate candidates, operating as a super PAC closely aligned with Senate Democratic Leader Chuck Schumer. Founded in 2010, SMP was established to counter Republican independent expenditure organisations and has grown into one of the most significant super PACs in American politics, deploying more than $130 million per cycle in competitive Senate races.
In the 2026 midterm cycle, SMP and its House counterpart House Majority PAC together hold $139 million in cash on hand — compared with $257 million combined for the Republican equivalents, the Congressional Leadership Fund and the Senate Leadership Fund. The $118 million Democratic outside-spending deficit is the most significant structural financial disadvantage for Senate Democrats entering any midterm in recent memory.
SMP's strategic challenge in 2026 is defending a map where the DSCC must protect only 12 Democratic seats — compared with 22 Republican seats the NRSC must defend — while simultaneously deploying limited resources in the competitive contests that will determine Senate control. The SLF's announcement of a $342 million deployment plan targeting eight Senate races makes the financial asymmetry the defining feature of the 2026 Senate money war.