United States · 
How much has Acusphere raised?
Acusphere has raised $10M across 2 rounds since 2011.
2012
$7.5MVenture$2.5MDebtUnited States · Funded startup
Who invested in Acusphere
2 rounds we have observed, with the 0 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
$10Mraised across 2 rounds since 2011, from 2 sources
$7.5MVenture$2.5MDebt
- Latest round
- Debt, $2.5MFeb 2012
- Biggest round
- $7.5MVenture · Jul 2011
- Investors
- 0
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, $7.5M Jul 2011
- Biggest round
- $7.5M Venture · Jul 2011
- Between rounds
- 8 months from the last two
The rounds
- Feb 2012Debt$2.5M
No investor was named in the report.
Reported by masshightech.comSEC filing: $2.5M sold, first sale Feb 2012
- Jul 2011Venture$7.5M
No investor was named in the report.
Reported by sec.govSEC filing: $7.5M sold, first sale Jun 2010
Also claim to have backed them
This firm lists Acusphere 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 Acusphere
When did Acusphere last raise?
Acusphere's most recent round was a Debt of $2.5M in Feb 2012.
What was Acusphere's biggest round?
Acusphere's largest round on record is $7.5M (Venture), in Jul 2011.
What stage is Acusphere at?
Acusphere's latest named round is a Debt, in Feb 2012.
Where is Acusphere based?
Acusphere is based in the United States.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.