United States · 
Who invested in Viathan Corp.?
Viathan Corp.'s investors include Madrona Venture Group, ARCH Venture Partners, SoftBank BB Corp, SeaPoint Ventures and Sun Microsystems, and 2 more on record.
2000
$6.5MSeries A$17MVentureUnited States · Venture startup
Who invested in Viathan Corp.
2 rounds we have observed, with the 7 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
$24Mraised across 2 rounds since 1999, from 2 sources
$6.5MSeries A$17MVenture
- Latest round
- Venture, $17MSept 2000
- Step-upi
- 2.6×
- Investors
- 7
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $6.5M Nov 1999
- Biggest round
- $17M Venture · Sept 2000
- Between rounds
- 10 months from the last two
The rounds
- Sept 2000
- Nov 1999Series A$6.5M5 new
From a historical funding record
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
SeaPoint VenturesGrowth equity1round
Sun MicrosystemsGrowth equity1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Viathan Corp.
How much has Viathan Corp. raised?
Viathan Corp. has raised $24M across 2 rounds since 1999.
When did Viathan Corp. last raise?
Viathan Corp.'s most recent round was a Venture of $17M in Sept 2000.
What was Viathan Corp.'s biggest round?
Its most recent round, $17M in Sept 2000, is also its largest on record.
Who backed Viathan Corp. first?
Viathan Corp.'s first round on record, in Nov 1999, was backed by Madrona Venture Group, ARCH Venture Partners and SeaPoint Ventures and 2 others.
What stage is Viathan Corp. at?
Viathan Corp.'s latest named round is a Venture, in Sept 2000.
Where is Viathan Corp. based?
Viathan Corp. is based in the United States.
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