Mainstream Colorado Fund: $602K outside money

The short version

Mainstream Colorado Fund spent $602K on its own in the 2026 general election: $301K supporting candidates and $301K opposing candidates, across every race it spent in.

$602K

outside money

There’s a lot more where that came from.

3 more sections, free the moment you sign in.

Where it went
The race it spent in
Month by month
When the money moved, month by month
Who it’s linked to
The map from its givers to the candidates it spent on

About ten seconds. No catch.