United States · Series B startup

Who invested in RedSiren

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

$18Mraised across 1 round since 2003, from 1 source

Latest round
Series B, $18MNov 2003
Investors
3
See who backed them

The rounds

  1. Nov 2003
    Series B$18M

    From a historical funding record

The exit

ExitBuyerPriceWhen
AcquiredGetronicsundisclosedMar 2005

From historical deal records. Wrong? Tell us.

Everyone who backed them

Safeguard ScientificsPrivate equity1round
Redleaf GroupInvestment firm1round
SEA VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about RedSiren

Who invested in RedSiren?

RedSiren's investors include Safeguard Scientifics, Redleaf Group and SEA Ventures.

How much has RedSiren raised?

RedSiren has raised $18M across 1 round since 2003.

When did RedSiren last raise?

RedSiren's most recent round was a Series B of $18M in Nov 2003.

What was RedSiren's biggest round?

Its most recent round, $18M in Nov 2003, is also its largest on record.

Who backed RedSiren first?

RedSiren's first round on record, in Nov 2003, was backed by Safeguard Scientifics, Redleaf Group and SEA Ventures.

What stage is RedSiren at?

RedSiren's latest named round is a Series B, in Nov 2003.

Where is RedSiren based?

RedSiren is based in the United States.

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