D1 Capital Partners led a $125m Series D round in 6sense, an account engagement platform, with participation from Sapphire Ventures, Tiger Global and Insight Partners. "Customer conversations are a critical part of our due diligence process, and the feedback from 6sense customers is among the best we've heard. Improving revenue results is a goal for every business, but it's easier said than done. The way 6sense consistently creates value for customers made it clear that they deliver a unique, must-have solution for B2B revenue teams," Dan Sundheim, D1 Capital Partners Founder and CIO.