Who invested in Blue Danube Systems?
Blue Danube Systems's investors include Sequoia Capital, Northgate Capital and AT&T.
United States · Series B startup
One round we have observed, with the 3 investors named in it. 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
$16Mraised across 1 round since 2015, from 1 source
From a historical funding recordSEC filing: $16M sold, first sale Dec 2014
Blue Danube Systems's investors include Sequoia Capital, Northgate Capital and AT&T.
Blue Danube Systems has raised $16M across 1 round since 2015.
Blue Danube Systems's most recent round was a Series B of $16M in May 2015.
Its most recent round, $16M in May 2015, is also its largest on record.
Blue Danube Systems's first round on record, in May 2015, was backed by Sequoia Capital, Northgate Capital and AT&T.
Blue Danube Systems's latest named round is a Series B, in May 2015.
Blue Danube Systems is based in the United States.
Search every investor by what they have actually funded, then narrow to your stage and market. Free.