How Much Did 6sense Raise? Headquarters, Funding & Key Investors

6sense has raised $426 million in funding and reached a $5.2 billion valuation, with 1,001–5,000 employees. Founded in 2013 and headquartered in San Francisco, California, United States, the platform uses machine learning and behavioral data to predict buyer intent, identify high-value prospects, and optimize sales and marketing strategies. Backed by Harmony Partners and Sapphire Ventures, 6sense enables teams to track accounts, generate opportunities, and prioritize leads effectively. After its $125 million Series D round on March 30, 2021, the company continues to expand its predictive intelligence capabilities globally.

How Much Did 6sense Raise? Funding & Key Investors

6sense joined the Unicorn Club on March 30, 2021, after raising a $125 million Series D funding round led by Sapphire Ventures and D1 Capital Partners, valuing it at $2.1 billion. Headquartered in San Francisco, California, United States, 6sense provides a predictive intelligence engine for sales and marketing that uses machine learning and behavioral data to identify high-value prospects, track buyer intent, and prioritize accounts.

Keep reading to see how 6sense became a leading platform in predictive sales and marketing intelligence.

What Is 6sense and What Does It Do?

Founded in 2013, 6sense helps sales and marketing teams uncover companies and contacts at the top of the buying funnel using AI and intent data from search engines, blogs, trade publications, forums, and communities. The platform analyzes historic and real-time signals to understand buying journeys, generate opportunities, and manage accounts effectively.

6sense empowers teams to predict intent, prioritize leads, and optimize campaigns by combining AI-powered insights with actionable sales and marketing strategies.

How Much Funding Has 6sense Raised?

1. Series D Round

Amount Raised: $125 million
Date: March 30, 2021
Valuation: $2.1 billion
Lead Investor: Sapphire Ventures, D1 Capital Partners
Purpose: Scale AI platform, expand market reach, and enhance predictive analytics

2. Latest Funding Round

Round Type: Conventional Debt
Amount Raised: $100 million
Date: June 22, 2023
Purpose: Expand platform capabilities and accelerate growth

3. Earlier Rounds (Seed to Series C)

Total Funding Before Series D: ~$201 million
Key Investors: Harmony Partners, Sapphire Ventures
Purpose: Product development, AI modeling, and global expansion

Total Funding Raised: ~$426 million

Latest Funding Date: June 22, 2023

Latest Known Valuation: ~$5.2 billion

Employee Count: 1,001–5,000 (as of July 16, 2025)

Key Investors

1. Harmony Partners

Details: Venture capital firm investing in technology and growth-stage companies.
Focus Areas: Predictive analytics, AI, and enterprise software.

2. Sapphire Ventures

Details: Growth-stage investment firm focusing on high-performing technology companies.
Focus Areas: Sales and marketing platforms, AI, and enterprise SaaS.

Where Is 6sense’s Headquarters?

6sense is headquartered in San Francisco, California, United States, where its teams focus on AI development, predictive analytics, sales intelligence, and marketing automation solutions.

What’s Next for 6sense?

6sense plans to expand its predictive intelligence platform by integrating additional behavioral data sources, enhancing AI modeling, and providing more actionable insights for sales and marketing teams. The company aims to strengthen its market position as a top solution for account-based marketing and predictive sales intelligence.

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