Who invested in BlackArrow?
BlackArrow's investors include Mayfield Fund, Polaris Partners, Intel Capital, Comcast Ventures and Cisco, and 5 more on record.
United States · Seed startup
6 rounds we have observed, with the 10 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.
Funding summaryUpdated 26 Oct 2026
$60Mraised across 6 rounds since 2004, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding record
Reported by sec.govSEC filing: $27M sold, first sale Mar 2010
Reported by paidcontent.orgSEC filing: $20M sold, first sale Mar 2010
Reported by thealarmclock.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
From historical deal records. Wrong? Tell us.
BlackArrow's investors include Mayfield Fund, Polaris Partners, Intel Capital, Comcast Ventures and Cisco, and 5 more on record.
BlackArrow has raised $60M across 6 rounds since 2004. One round did not disclose an amount, so the total is a floor.
BlackArrow's most recent round was a Seed in Feb 2015.
BlackArrow's largest round on record is $20M (Series C), in Apr 2010.
BlackArrow's first round on record, in Dec 2004, was backed by Mayfield Fund, Polaris Partners and Intel.
BlackArrow's latest named round is a Seed, in Feb 2015.
BlackArrow is based in the United States.
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