United States · Series A startup

Who invested in Echo

4 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.

AIBiotechHealthcare

Raised 11 months ago

Funding summaryUpdated 26 Oct 2026

$47Mraised across 4 rounds since 2007, from 4 sources

$1.2MSeries A$3.6MSeries B$7.5MSeries A$35MSeries A
Latest round
Series A, $35MDec 2025
Step-upi
4.7×
Investors
5
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2007201020132016201920222025
$1.2MSeries A$3.6MSeries B$7.5MSeries A$35MSeries A
First round
Series A, $1.2M
Aug 2007
Biggest round
$35M
Series A · Dec 2025
Usual gap between rounds
8.4 years
the median of 3

The rounds

  1. Dec 2025
    Series A$35M1 new

    Source recorded

  2. Mar 2017
    Series A$7.5M2 new

    Reported by FinSMEs

  3. Oct 2008
    Series B$3.6M1 new1 returning

    Reported by techcrunch.com

  4. Aug 2007
    Series A$1.2M1 new

    Reported by techcrunch.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.

Everyone who backed them

The Entrepreneurs'&VC firm2rounds
Tech Coast AngelsVC firm1round
Altos VenturesVC firm1round
Notable CapitalVC firm1round

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

Also claim to have backed them

These 6 firms list Echo as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

White Star CapitalVC firmPer its own site
Brad KeywellAngelPer its own site
Equity Group InvestmentsVC firmPer its own site
Finback Investment PartnersPrivate equityPer its own site
SVCI - Silicon Valley CISO InvestmentsAngel networkPer its own site
TJCPrivate equityPer its own site

Quick answers about Echo

Who invested in Echo?

Echo's investors include The Entrepreneurs'&, Tech Coast Angels, Altos Ventures, Notable Capital and Dolby Family Ventures.

How much has Echo raised?

Echo has raised $47M across 4 rounds since 2007.

When did Echo last raise?

Echo's most recent round was a Series A of $35M in Dec 2025.

What was Echo's biggest round?

Its most recent round, $35M in Dec 2025, is also its largest on record.

Who backed Echo first?

Echo's first round on record, in Aug 2007, was backed by The Entrepreneurs'&.

What stage is Echo at?

Echo's latest named round is a Series A, in Dec 2025.

Where is Echo based?

Echo is based in the United States.

Companies like Echo

In the same sector, and raised in the last eighteen months.

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