Who invested in Sigma?
Sigma's investors include Princeville Capital, Spark Capital, Sutter Hill Ventures, K5 Global and Barclays Ventures, and 9 more on record. Princeville Capital led its latest round.

United States · Growth startup
2 rounds we have observed, with the 14 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 6 months ago
Follow Sigma and see its new rounds in your feed. Start following
Funding summaryUpdated 5 Nov 2026
$82Mraised across 2 rounds since 2018, from 2 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by FinSMEsSEC filing: $1.0M sold, first sale Apr 2018
From Sigma's own website: 4 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Sigma's investors include Princeville Capital, Spark Capital, Sutter Hill Ventures, K5 Global and Barclays Ventures, and 9 more on record. Princeville Capital led its latest round.
Sigma has raised $82M across 2 rounds since 2018.
Sigma's most recent round was a Growth of $80M in May 2026, led by Princeville Capital.
Its most recent round, $80M in May 2026, is also its largest on record.
Sigma's first round on record, in Jul 2018, was backed by Barclays Ventures and FinTech Collective/ TechStars.
Sigma's latest named round is a Growth, in May 2026.
Sigma is based in the United States.
Princeville Capital led the Growth in 2026.
Search every investor by what they have actually funded, then narrow to your stage and market. Free.