About 5to1
5to1 is a Media & Entertainment company based in Seattle (United States) founded in 2009, and was acquired by Yahoo in May 2011. Advertisers are connected with publishers through a self-served ad platform. 5to1 has raised $12.83 million across 5 funding rounds from investors including Yahoo, Big Brothers Big Sisters of the Laurel Region and Prism Venture Partners. 5to1 offers products and services including Yahoo Ads, Yahoo Search, and Yahoo Finance. Its focus areas include Enterprise Applications, AdTech, Supply Side Platform and Cross-Device. Its legal entity is 5TO1.COM, INC. Its competitors include PubMatic, Sovrn and Sonobi; 3 of its 3 listed competitors have raised funding.
Company details
Founded in 2009 in Seattle, United States, 5to1 operates as an advertising platform in the digital media sector. Unsold publisher inventory is converted into premium and programmable formats, enabling publishers to control ad pricing and placement. Advertisers are linked directly with publishers for relevant ad placements on web pages. The company was acquired by Yahoo in 2011.
Products & Services of 5to1
5to1 offers a comprehensive portfolio of products and services, including Yahoo Ads, Yahoo Search, and Yahoo Finance.
Enables digital advertising campaigns for businesses.
Facilitates web searches and information retrieval.
Offers news and data on investments and markets.
Funding Insights of 5to1
5to1 has successfully raised a total of $12.83M across 5 strategic funding rounds. The most recent funding activity was a Series B round of $6.5 million completed in November 2010. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $12.83M
- Total Rounds 5
- Last Round Series B — $6.5M
- First Round $2.01M
(Apr 2009)
- Investors Count 2
All 5 funding rounds of 5to1 with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Nov 2010 | $6.5M | Series B | – | – | – |
| Oct 2010 | $600,000 | Debt – Conventional | – | – | – |
| Jun 2010 | $1.83M | Series A | – | – | – |
| Jun 2009 | $2.49M | Series A | – | – | |
| Apr 2009 | $2.01M | Seed | – | – |
3 investors in total: 3 institutional.
Investors in 5to1
5to1 has secured backing from 3 investors, including venture fund and institutional investors. Prominent investors backing the company include Yahoo, Big Brothers Big Sisters of the Laurel Region and Prism Venture Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital investments are directed toward US, India, and China. | fusecapital.com | Menlo Park, United States | ||
VC firm investing in the US | prismventure.com | Westwood, United States | ||
News, insights, and services are delivered via an online platform. | 1994 | yahoo.com | New York, United States |
Investor details for 5to1
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
Timeline of 5to1
4 dated milestones of 5to1 across 2 years, from founding to its latest funding, stage changes and deals.
- Founded 5to1 is founded.
- Funding First funding round of $2.0M.
- Funding Latest funding round, Series B, of $6.5M.
- Exit Acquired by Yahoo.
Competitors of 5to1
5to1 has 3 listed competitors in our database, 3 of them funded. They include PubMatic, Sovrn and Sonobi.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| pubmatic.com | 2006 | Redwood, United States | $31M | 140 | SSP software is offered to publishers for ad inventory sales. | |
| sovrn.com | 2006 | Boulder, United States | $99.85M | 195 | Platform offering SSP solution | |
| sonobi.com | 2011 | New York, United States | $10.4M | 96 | Premium programmatic advertising solutions are provided for publishers and advertisers. |
Detailed competitors of 5to1
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Top companies in Advertising & Marketing Tech
3 companies that operate in the same segment as 5to1 (Advertising & Marketing Tech) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
AI-powered platform manages marketing creatives and customer journeys. | 1982 | San Jose, California, United States | USD 23.77 B | 30,710 | ||
Ad verification solutions are delivered for digital media campaigns. | 2008 | New York, New York, United States | USD 396.5 M | USD 748.29 M | 1,200 | |
Native advertising solutions are delivered via a cloud-based content platform. | 2006 | New York, New York, United States | USD 403.72 M | USD 1.3 B | 1,800 |
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Frequently Asked Questions about 5to1
5to1 was founded in 2009.
5to1 is headquartered in Seattle, United States. It is registered at Seattle, Washington, United States.
5to1 is a funded company, having raised a total of $12.83M across 5 funding rounds to date. The company's 1st funding round was a Seed of $2.01M, raised on Apr 2009.
Founded in 2009 in Seattle, United States, 5to1 operates as an advertising platform in the digital media sector. Unsold publisher inventory is converted into premium and programmable formats, enabling publishers to control ad pricing and placement. Advertisers are linked directly with publishers for relevant ad placements on web pages. The company was acquired by Yahoo in 2011.
5to1 offers Yahoo Ads, Yahoo Search, and Yahoo Finance.
5to1 has 3 investors. Key investors include Yahoo, Big Brothers Big Sisters of the Laurel Region, and Prism Venture Partners.
5to1 operates through 5To1.Com, Inc.
Yes. 5to1 was acquired by Yahoo in May 2011.