United States · Who invested in Interactive Supercomputing?
Interactive Supercomputing's investors include Flagship Pioneering, LLC, Common Angels, Rock Maple Ventures, Ascent Venture Partners and Fletcher Spaght, Inc..
20062007
$4.5MSeries A$11MSeries BUnited States · Series B startup
Who invested in Interactive Supercomputing
2 rounds we have observed, with the 5 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
$16Mraised across 2 rounds since 2006, from 2 sources
$4.5MSeries A$11MSeries B
- Latest round
- Series B, $11MOct 2007
- Step-upi
- 2.4×
- Investors
- 5
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, $4.5M Jan 2006
- Biggest round
- $11M Series B · Oct 2007
- Between rounds
- 21 months from the last two
The rounds
- Oct 2007Series B$11M2 new3 returning
- Flagship Pioneering, LLC
Ascent Venture Partners- Common Angels
Fletcher Spaght, Inc.
Rock Maple Ventures
Reported by insidehpc.com
- Jan 2006Series A$4.5M3 new
Reported by venturefizz.wordpress.com
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.
The exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Flagship Pioneering, LLCVC firm2rounds
Common AngelsVC firm2rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about Interactive Supercomputing
How much has Interactive Supercomputing raised?
Interactive Supercomputing has raised $16M across 2 rounds since 2006.
When did Interactive Supercomputing last raise?
Interactive Supercomputing's most recent round was a Series B of $11M in Oct 2007.
What was Interactive Supercomputing's biggest round?
Its most recent round, $11M in Oct 2007, is also its largest on record.
Who backed Interactive Supercomputing first?
Interactive Supercomputing's first round on record, in Jan 2006, was backed by Flagship Pioneering, LLC, Common Angels and Rock Maple Ventures.
What stage is Interactive Supercomputing at?
Interactive Supercomputing's latest named round is a Series B, in Oct 2007.
Where is Interactive Supercomputing based?
Interactive Supercomputing is based in the United States.
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