J.P. Morgan was the lead left underwriter, and was joined by Deutsche Bank and Stifel Nicolaus Weisel as join-bookrunning managers. RBC Capital Markets, Pacific Crest Securities, Canaccord Genuity and Raymond James were co-managers.
Venture capital investors in ExactTarget included Insight Venture Partners (22.4% post-IPO ownership), Greenspring Associates (15.5%), Battery Ventures (15.2%), Scale Venture Partners (6.2%), First Round Capital, OpenView Venture Partners and Technology Crossover Ventures.
ExactTarget's IPO prospectus can be found here: http://www.sec.gov/Archives/edgar/data/1420850/000119312512126304/d256812d424b1.htm