CAMBRIDGE, MA, ChoiceStream, a Cambridge-based provider of online advertising and personalized marketing software, has raised $8.6 million in a round of venture capital, according to a new filing by the company with the Securities and Exchange Commission. Fifteen separate investors participated in the offering.

ChoiceStream, Inc. is an innovator in online advertising and personalized marketing solutions. For more than ten years, companies like AT&T, Zappos, Tesco, Ticketmaster and MTV have relied on ChoiceStream to create a more engaging, personally relevant experience for their consumers. By transforming shopping behavior and media consumption into intelligence about a consumer's unique preferences, ChoiceStream is able to help today's biggest brands target their most qualified prospects with the right advertisement, email promotion and product recommendations to improve brand engagement, conversion rates and customer loyalty.

Previous investors in ChoiceStream include General Catalyst Partners, Sage Hill Partners, and Sutter Hill Ventures.