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Outside spender

Mainstream Colorado Fund

FEC committee C00885707

Winner

Mainstream Colorado Fund spent $1.7M on independent expenditures in the 2026 federal elections, and 100% of it helped Democrats (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Oct 14, 2026). Among dollars with a matched election-stage result, 100% were on the winning side ($1.7M won, $0 lost). $0 had no matched result and is excluded.

Outside spending

$1.7M

Winning share of scored dollars

100%

$1.7M scored (100% of spending); $0 unknown

On the losing side

$0

Supporting vs attacking

34% / 66%

$601K for, $1.1M against

Google says Mainstream Colorado Fund also spent $164K on Google and YouTube ads this cycle (9% of its FEC-reported outside spending). All ad buyers →

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 Race not called yet Result not matched
CandidateRaceSpendingAmountPaid off?
Gabe EvansColorado 8th DistrictAttacking$1.1M✓ Yes
Manny RutinelColorado 8th DistrictSupporting$601K✓ Yes

Questions people ask

How much did Mainstream Colorado Fund spend in 2026, and did it win?
Mainstream Colorado Fund spent $1.7M on independent expenditures in the 2026 federal elections, and 100% of it helped Democrats (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Oct 14, 2026). Among dollars with a matched election-stage result, 100% were on the winning side ($1.7M won, $0 lost). $0 had no matched result and is excluded.
Which candidates did Mainstream Colorado Fund spend the most on in 2026?
against Gabe Evans (Colorado 8th District, $1.1M, won); for Manny Rutinel (Colorado 8th District, $601K, won).