Who invested in OuterSignal?
OuterSignal's investors include Abstract Ventures, Long Journey Ventures, AME Cloud Ventures, M Ventures and BAM Ventures, and 20 more on record. Abstract Ventures led its latest round.

United States · Series A startup
Funding summaryUpdated 26 Oct 2026
$22Mraised across 2 rounds since 2026, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by TechStartups and 2 othersSEC filing: $2.2M sold
No investor was named in the report.
Filed with the SEC (Form D); no report of this raise yetSEC filing: $100K sold, first sale Jun 2026
From OuterSignal's own website: 3 founders, 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.
OuterSignal's investors include Abstract Ventures, Long Journey Ventures, AME Cloud Ventures, M Ventures and BAM Ventures, and 20 more on record. Abstract Ventures led its latest round.
OuterSignal has raised $22M across 2 rounds since 2026.
OuterSignal's most recent round was a Series A of $22M in Sept 2026, led by Abstract Ventures.
Its most recent round, $22M in Sept 2026, is also its largest on record.
OuterSignal's first round on record, in Sept 2026, was backed by Abstract Ventures, Long Journey Ventures and AME Cloud Ventures and 22 others.
OuterSignal's latest named round is a Series A, in Sept 2026.
OuterSignal is based in the United States.
Abstract Ventures led the Series A in 2026.
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