United States 2026 · Every advertiser

Mainstream Colorado Fund

This page ran 1 paid political ads on Facebook and Instagram between 13 October 2026 and 13 October 2026. Meta reports $10–15K of spend, which makes it the 3,660th largest advertiser of the 24,034 pages in our data. Advertiser type: Group or campaign. Most of its spend was on the Democrats’ side. Race: No specific race. Paid for by MAINSTREAM COLORADO FUND.

Data from the Meta Ad Library, pulled 4 November 2026. Election on 3 November 2026. · Every ad of this page in Meta’s Ad Library ↗

On the FEC record

MAINSTREAM COLORADO FUND, a super PAC (independent expenditures only). FEC committee C00885707 ↗

Independent expenditures reported to the FEC through 1 November 2026: $1.7M supporting Democrats or opposing Republicans in a general election, $0 supporting Republicans or opposing Democrats in a general election. The side above follows this record, not the wording of the ads: at least 90% of the dollars it placed for or against a party’s candidates went one way.

1

ads

$12.5K

reported spend, range $10–15K

0.0%

of spend on federal races

$12.5K

median spend per ad

Meta and Google side by side

On MetaFacebook · Instagram

$12.5K

1 ad on 1 page, midpoint of Meta’s ranges, 4 May 2026 to 31 October 2026

Largest page
Mainstream Colorado Fund · $12.5K
Federal races
0.0%
Median spend per ad
$12.5K
Attack ads, of text ads
100%

Ad Library

On Google and YouTubeSearch · YouTube · Display

$150–175K

1 ad from 1 verified advertiser account, Google’s ranges, 4 May 2026 to 3 November 2026

Against Meta spend
13×
Formats
1 video
Impressions
6M–7M
Targeting declared
no age or gender
States named
Colorado
Last ad shown
3 Nov

Google Ads Transparency Center

Google advertiser accounts

AdvertiserAdsFormatsStatesFirst adLast adSpend
Mainstream Colorado Fund11 videoCO12 Oct3 Nov$150–175K

Google publishes no ad text; the link on each account opens its ads in Google’s Ads Transparency Center. An account is tied to this page by its FEC committee; a party page lists its 1 largest.

Spend by week the ad started

 Spend still counting
2 Nov

Tone

Attack
100%

Share of the 1 ads with text that our model classified. Attack ads name an opponent.

Topics

Health
100%

Spend by race: No specific race 100%.

Spend by ad language: English 100%.

The costliest ads

The highest-spend ad of each distinct text, as it ran.

  • Feeling the pain of the spike in healthcare costs?

    13 October 2026 · Mainstream Colorado Fund · $10–15K · 450K+ impressions · Attack · Ad Library

Figures cover domestic political ads paid in dollars, from 4 May 2026. Spend is the sum of Meta’s range midpoints; impressions above one million are reported as “1M+”, so impression figures are floors. Each ad counts in the week its delivery started, with its lifetime spend at our last pull; ads still running before the vote are counted as of 31 October 2026.

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