Display ad company Chango is a Toronto based ad targeting company that has raised $4.25 million in a new round of funding led by Rho Canada, Inovia Capital, Metamorphic Ventures, Extreme Venture Partners, and Geoff Judge. Chango has raised a total of $6 million in funding.

Publisher ad network NetShelter is an advertising network that powers ads for websites such as MacRumors.com, SlashGear.com, CrackBerry.com, etc. has raised $15 million in a second round of funding. NetShelter’s network saw about 133 million unique visitors this August.