United States · 
Who invested in Stereotaxis?
Stereotaxis's investors include Advantage Capital, Ascension Ventures, Alafi Capital, Portage Venture Partners and A.G. Edwards & Sons, and 1 more on record.
20032005200720092011
$20MVenture$16MVenture$10MSeries AUnited States · Series A startup
Who invested in Stereotaxis
3 rounds we have observed, with the 6 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
$46Mraised across 3 rounds since 2003, from 3 sources
$20MVenture$16MVenture$10MSeries A
- Latest round
- Series A, $10MMay 2012
- Biggest round
- $20MVenture · Jan 2003
- Investors
- 6
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $20M Jan 2003
- Biggest round
- $20M Venture · Jan 2003
- Usual gap between rounds
- 8.4 years the median of 2
The rounds
- May 2012Series A$10M
No investor was named in the report.
Reported by sec.govSEC filing: $10M sold, first sale May 2012
- Jan 2004Venture$16M
No investor was named in the report.
From a historical funding record
- Jan 2003Venture$20M6 new
Advantage Capital
Ascension Ventures- Alafi Capital
- Portage Venture Partners
- A.G. Edwards & Sons
- Stifel Nicolaus
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.
Venture2003Venture2004Series A2012Advantage CapitalAscension VenturesAlafi CapitalPortage Venture PartnersA.G. Edwards & SonsStifel Nicolaus
Advantage CapitalAscension VenturesAlafi CapitalPortage Venture PartnersA.G. Edwards & SonsStifel NicolausEveryone who backed them
Alafi CapitalGrowth equity1round
Portage Venture PartnersVC firm1round
A.G. Edwards & SonsCorporate VC1round
Stifel Nicolausno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Stereotaxis as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Stereotaxis
How much has Stereotaxis raised?
Stereotaxis has raised $46M across 3 rounds since 2003.
When did Stereotaxis last raise?
Stereotaxis's most recent round was a Series A of $10M in May 2012.
What was Stereotaxis's biggest round?
Stereotaxis's largest round on record is $20M (Venture), in Jan 2003.
Who backed Stereotaxis first?
Stereotaxis's first round on record, in Jan 2003, was backed by Advantage Capital, Ascension Ventures and Alafi Capital and 3 others.
What stage is Stereotaxis at?
Stereotaxis's latest named round is a Series A, in May 2012.
Where is Stereotaxis based?
Stereotaxis is based in the United States.
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