Summation

Summation is building the future of business planning and analytics by bridging the gap between data and decision-making. We empower organizations to transform complex data into clear, actionable insights that drive business outcomes. Co-founded by former Opendoor execs.

Data and analytics

Summation raised $35M in a Series A round announced October 1, 2025, according to finance.yahoo.com. Investors in that round: Kleiner Perkins.

Raise history

1. September 29, 2026
   First seen by Recent Funding
   via startups.gallery
2. October 1, 2025
   Series A · $35M
   KKleiner Perkins (lead)
   Source: finance.yahoo.com (startups.gallery listing)

Investors

• BBenchmark
• KKleiner Perkins

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Every amount links to the page it came from. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/summation.