United States · Funded startup

Who invested in Lonestar Heart

5 rounds we have observed, with the one investor 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.

Biotech

Funding summaryUpdated 26 Oct 2026

$47Mraised across 5 rounds since 2009, from 5 sources

$14MVenture$10MSeries A$20MSeries B$2.4MSeries C$1.0MDebt

Latest round: Debt, $1.0MSept 2014
Biggest round: $20MSeries B · Oct 2012
Investors: 1

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.

20102011201220132014

$14MVenture$10MSeries A$20MSeries B$2.4MSeries C$1.0MDebt

First round: Venture, $14M
Biggest round: $20M
Usual gap between rounds: 13 months

The rounds

Sept 2014
Debt$1.0M
No investor was named in the report.
From a historical funding recordSEC filing: $1.0M sold, first sale Aug 2014
Nov 2013
Series C$2.4M
No investor was named in the report.
Reported by sec.govSEC filing: $2.4M sold, first sale Nov 2013
Oct 2012
Series B$20M1 new
- Themes Investment Partners
Reported by news.yahoo.com
Jun 2010
Series A$10M
No investor was named in the report.
Reported by sec.govSEC filing: $10M sold, first sale Jun 2010
Jul 2009
Venture$14M
No investor was named in the report.
From a historical funding record