About Peer39
Peer39 is a Media & Entertainment company based in New York (United States) founded in 2006, and was acquired by O3 Industries in August 2019. Pre-bid data is supplied for programmatic ad buying. Peer39 has raised $29.42 million across 6 funding rounds from investors including SVB, J P Morgan and Canaan. Peer39 has completed 1 acquisition, including Adloox. Its chief executive, as recorded, is Mario Diez. Its website peer39.com draws about 19 thousand monthly visits. Peer39 offers products and services including Advanced Contextual Data, Peer39 Platform, and Contextual Data Marketplace. Its focus areas include Enterprise Applications, AdTech and Data Management Platform. Its competitors include mParticle, Zefr and Acxiom; 2 of its 3 listed competitors have raised funding.
Company details
Peer39 by Sizmek is an ad management and distribution platform that provides technology stellar services and multiscreen advertising solutions. Peer39 is a pre-bid data provider for programmatic buying. Peer39 processes billions of ad impressions thereby classifying nearly its RTB inventory at the page-level. Peer39 thrives in connecting major publishers and brands to the ideal page environment, by allowing them to target content that is relevant, safe, and high in quality. Peer39 is integrated with major Demand-Side Platforms such as: The Trade Desk, Appnexus, MediaMath, and Turn. Acquired by Digital Generation in March 2012 for 15.5M.
- Headquarters New York, United States
- Stage Acquired
- SectorsMedia & Entertainment
- Website peer39.com
- Social LinkedIn Facebook
- Acquired by O3 Industries (Aug 2019)
- Total Equity Funding$29.42M (USD)
in 6 rounds
- Latest Funding Round$15K (USD), Series C
Jan 2012
- InvestorsSVB
& 6 more
- Investments & Acquisitions
- Acquired by
Products & Services of Peer39
Peer39 offers a comprehensive portfolio of products and services, including Advanced Contextual Data, Peer39 Platform, and Contextual Data Marketplace.
Delivers cookieless pre-bid categories for targeted advertising inventory.
Provides tools for planning and managing contextual strategies effectively.
Facilitates access to contextual data for advertisers and partners.
Funding Insights of Peer39
Peer39 has successfully raised a total of $29.42M across 6 strategic funding rounds. The most recent funding activity was a Series C round of $15 thousand completed in January 2012. 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 $29.42M
- Total Rounds 6
- Last Round Series C β $15,001
- First Round $3M
(Feb 2007)
- Investors Count 5
All 6 funding rounds of Peer39 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 |
|---|---|---|---|---|---|
| Jan 2012 | $15,001 | Series C | β | β | β |
| Dec 2011 | $2.5M | Series C | β | β | β |
| May 2011 | $5.2M | Series C | β | β | β |
| May 2009 | $10.5M | Series C | β | Evergreen Venture Partners | |
| Sep 2007 | $8.2M | Series B | β | β | |
| Feb 2007 | $3M | Series A | β | β |
7 investors in total: 7 institutional.
Investors in Peer39
Peer39 has secured backing from 7 investors, including venture fund and institutional investors. Prominent investors backing the company include SVB, J P Morgan and Canaan.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early-stage venture capital is provided to Israeli companies across sectors. | evergreen.co.il | Tel Aviv, Israel | ||
Canaan is recognized as an early-stage venture capital firm. | 1987 | canaan.com | San Francisco, United States | |
| dtventures.com | ||||
Comprehensive financial services are provided to corporations and individuals. | 1799 | jpmorgan.com | New York, United States | |
Banking services are provided to innovative companies, investors, and individuals. | 1983 | svb.com | Santa Clara, United States | |
The ad management and distribution platform across TV and online media | 1991 | dgit.com | Irving, United States | |
O3 Industries is involved in unspecified industrial activities. | o3industries.com |
Investor details for Peer39
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.
People of Peer39
25 people are tracked at Peer39 (16 in leadership, 9 in team).
| Name | Role | Group |
|---|---|---|
Mario Diez | CEO | Leadership |
Tram Nguyen | Director Of Finance | Leadership |
Kimia Majić | Director Of Technical Account Operations | Leadership |
Ethan Robinson | Senior Director, Strategic Partnerships | Leadership |
Alynn Beyder | Marketing Director | Leadership |
Alec Greenberg | Vice President, Partnerships | Leadership |
Alex White | Chief Operating Officer | Leadership |
Irit Goren We Are Hiring | Head Of Data Analytics And Research | Leadership |
Michelle Feliciano | Vice President Of Accounts & Revenue Ops | Leadership |
Givince Cadet | Sr. Director, Strategic Partnerships | Leadership |
Arnon Brouner | VP R&d | Leadership |
Denise Seva | Senior Client Partner | Leadership |
David Simutis | Vice President Of Product Marketing | Leadership |
Andrew Morsy | Managing Director International | Leadership |
Ayesha Maheswaran | Senior Client Partner | Leadership |
Dannalyn Prado | Product Marketing Director | Leadership |
Moriya Weinberg | Sr. Manager, New Data & Supply | Team |
Katherine Yin | Associate Account Manager | Team |
Ran Haviv | Product Manager | Team |
David Cutler | Senior Sales & Business Development Representative | Team |
5 more people are available in the full profile.
Complete people profiles for Peer39
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
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- Professional contacts
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Investments & Acquisitions by Peer39
Peer39 has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Adloox.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Provides tools for ad verification, brand safety, and fraud prevention services. | adloox.com | New York, United States | 2009 | Jun 2026 | β’β’β’β’ |
Complete acquisition details for Peer39
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- Acquired stakes
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Timeline of Peer39
6 dated milestones of Peer39 across 20 years, from founding to its latest funding, stage changes and deals.
- Founded Peer39 is founded.
- Funding First funding round of $3.0M.
- Funding Latest funding round, Series C, of $15K.
- Exit Acquired by Digital Generation.
- Exit Acquired by O3 Industries.
- Acquisition Acquires Adloox.
Competitors of Peer39
Peer39 has 3 listed competitors in our database, 2 of them funded. They include mParticle, Zefr and Acxiom.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| mparticle.com | 2012 | New York, United States | $266.6M | 151 | Customer data is collected and connected via API-based platform. | |
| zefr.com | 2009 | Los Angeles, United States | $36.16M | 133 | Cloud based video right management solution provider | |
| acxiom.com | 1969 | Little Rock, United States | Acxiom is engaged in providing data-driven marketing solutions. |
Detailed competitors of Peer39
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
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Web traffic of Peer39
The website of Peer39 (peer39.com) receives about 19.1K visits a month.
- Monthly visits19.1K
▼ 0.6% vs previous month
Websites whose visitors overlap most with Peer39. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| advertserve.com | 100% | 363.5K | View details | ||
| boomi.com | 99% | 664.4K | #34,209 | View details | |
| whitesmoke.com | 99% | 19.9K | #1,410,738 | View details | |
| fraudblocker.com | 86% | 680.7K | #397,075 | View details | |
| admeld.com | 73% | View details | |||
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
All 12 similar websites and full traffic analytics for Peer39
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 12 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
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 Peer39 (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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Related news about Peer39
Complete news archive for Peer39
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Frequently Asked Questions about Peer39
Peer39 was founded in 2006 and raised its 1st funding round 1 year after it was founded.
Peer39 is headquartered in New York, United States. It is registered at New York, New York, United States.
Mario Diez is the CEO of Peer39, as recorded in our data.
Peer39 is a funded company, having raised a total of $29.42M across 6 funding rounds to date. The company's 1st funding round was a Series A of $3M, raised on Feb 2007.
Peer39 by Sizmek is an ad management and distribution platform that provides technology stellar services and multiscreen advertising solutions. Peer39 is a pre-bid data provider for programmatic buying. Peer39 processes billions of ad impressions thereby classifying nearly its RTB inventory at the page-level. Peer39 thrives in connecting major publishers and brands to the ideal page environment, by allowing them to target content that is relevant, safe, and high in quality. Peer39 is integrated with major Demand-Side Platforms such as: The Trade Desk, Appnexus, MediaMath, and Turn. Acquired by Digital Generation in March 2012 for 15.5M.
Peer39 offers Advanced Contextual Data, Peer39 Platform, and Contextual Data Marketplace.
Peer39 has made 1 acquisition, including Adloox.
Peer39 has 7 investors. Key investors include SVB, J P Morgan, Canaan, Digital Generation, and Evergreen Venture Partners.
Yes. Peer39 was acquired by O3 Industries in August 2019.

