United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$28Mraised across 3 rounds since 2005, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by FinSMEsSEC filing: $5.1M sold, first sale Dec 2016
Reported by tantalus.com
From Tantalus Systems's own website and the SEC filings it signed: 14 on the team.
On the board, as filediAllen Beasley
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Redpoint
Altira Group
British Columbia Discovery FundCT InnovationsSanders Morris Harris Group
Vareco HoldingsMissing a round, or an investor who was in one? Tell us.
Tantalus Systems's investors include Redpoint, Altira Group, British Columbia Discovery Fund, CT Innovations and Sanders Morris Harris Group, and 1 more on record.
Tantalus Systems has raised $28M across 3 rounds since 2005.
Tantalus Systems's most recent round was an Undisclosed round of $6.0M in Feb 2017.
Tantalus Systems's largest round on record is $13M (Venture), in Jan 2010.
Tantalus Systems's first round on record, in Dec 2005, was backed by Altira Group, British Columbia Discovery Fund and Sanders Morris Harris Group.
Tantalus Systems's latest named round is an Undisclosed round, in Feb 2017.
Tantalus Systems is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
