Mainstream Colorado Fund spent $1.7M on independent expenditures in the 2024 federal elections, and 100% of it helped Democrats (FEC filings through Dec 31, 2024). Counting dollars, not candidates, and only races already called, 0% ended up on the winning side ($0 won, $1.7M lost).
Outside spending
$1.7M
On the winning side
0%
$0
On the losing side
$1.7M
Supporting vs attacking
77% / 23%
$1.3M for, $389K against
Google says Mainstream Colorado Fund also spent $201K on Google and YouTube ads this cycle (12% of its FEC-reported outside spending). All ad buyers →
Follow the money
Who filled the envelope
Mainstream Colorado Fund reported $2.0M in gifts from people, companies, nonprofits and other PACs. The biggest are below.
- Sixteen Thirty FundDark money$860K (44%)
- Fair Share ActionCompany / nonprofit$450K (23%)
- Centennial State ProsperityCompany / nonprofit$250K (13%)
- America VotesAnother PAC$250K (13%)
- Straight Talk Politics PACAnother PAC$58K (3%)
- Mainstream Colorado ActionCompany / nonprofit$50K (3%)
- Seiu Cope (Service Employees International Union Committee On Political Education)Another PAC$50K (3%)
- Western States Regional Council of Carpenters Legislative Improvement Cmte United Brotherhood of Carpenters & Joiners of AmericaAnother PAC$4K (0%)
Where the money went
Biggest targets, with whether each one paid off.
✓ Backed the winner or attacked the loser ✗ Backed the loser or attacked the winner Result not matched
| Candidate | Race | Spending | Amount | Paid off? |
|---|---|---|---|---|
| Yadira Caraveo | Colorado 8th District | Supporting | $1.3M | ✗ No |
| Gabe Evans | Colorado 8th District | Attacking | $389K | ✗ No |
Questions people ask
- How much did Mainstream Colorado Fund spend in 2024, and did it win?
- Mainstream Colorado Fund spent $1.7M on independent expenditures in the 2024 federal elections, and 100% of it helped Democrats (FEC filings through Dec 31, 2024). Counting dollars, not candidates, and only races already called, 0% ended up on the winning side ($0 won, $1.7M lost).
- Who funds Mainstream Colorado Fund?
- Its biggest reported donors in the 2024 cycle were Sixteen Thirty Fund ($860K), Fair Share Action ($450K), Centennial State Prosperity ($250K), America Votes ($250K), Straight Talk Politics PAC ($58K), out of $2.0M received from donors tracked here.
- Which candidates did Mainstream Colorado Fund spend the most on in 2024?
- for Yadira Caraveo (Colorado 8th District, $1.3M, lost); against Gabe Evans (Colorado 8th District, $389K, lost).