The new funding more than doubles 6sense valuation to $5.2 billion just ten months after its $125 million Series D round.

Its latest funding round is co-led by new investors Blue Owl and MSD Partners and includes additional new investors SoftBank Vision Fund 2, B Capital Group, Franklin Templeton, and Harmony Partners. Existing investors Insight Partners, Tiger Global, D1 Capital Partners, and Sapphire Ventures also participated in the round, bringing 6sense's total funding to $426 million.

The 6sense Account Engagement Platform helps B2B organizations achieve predictable revenue growth by putting the power of AI, big data, and machine learning behind every member of the revenue team. 6sense uncovers anonymous buying behavior, prioritizes accounts for sales and marketing, and enables them to engage resistant buying teams with personalized, multi-channel, multi-touch campaigns. 6sense helps revenue teams know everything they need to know about their buyers so they can easily do anything needed to generate more opportunities, increase deal size, get into opportunities sooner, and compete and win more often.