United States · 
Who invested in Axsome Therapeutics?
Axsome Therapeutics's investors include Blackstone Group and Hercules Capital.
2013201520172019202120232025
$1.2MDebt$2.0MDebt$1.3MDebt$570MDebt
United States · Funded startup
Who invested in Axsome Therapeutics
Funding summaryUpdated 26 Oct 2026
$577Mraised across 5 rounds since 2013, from 5 sources
$1.2MDebt$2.0MDebt$1.3MDebt$2.5MVenture$570MDebt
- Latest round
- Debt, $570MMay 2025
- Step-upi
- 231.7×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Debt, $1.2M Jul 2013
- Biggest round
- $570M Debt · May 2025
- Usual gap between rounds
- 15 months the median of 4
The rounds
- May 2025
- May 2015Venture$2.5M
No investor was named in the report.
From a historical funding recordSEC filing: $2.5M sold, first sale May 2015
- Jan 2015Debt$1.3M
No investor was named in the report.
From a historical funding recordSEC filing: $1.3M sold, first sale Dec 2014
- Sept 2014Debt$2.0M
No investor was named in the report.
From a historical funding recordSEC filing: $2.0M sold, first sale Sept 2014
- Jul 2013Debt$1.2M
No investor was named in the report.
Reported by sec.govSEC filing: $1.2M sold, first sale Jun 2013
Founders and team
From the SEC filings it signed: 1 on the team.
- Herriot TabuteauExecutive Officer, Directori
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Axsome Therapeutics
How much has Axsome Therapeutics raised?
Axsome Therapeutics has raised $577M across 5 rounds since 2013.
When did Axsome Therapeutics last raise?
Axsome Therapeutics's most recent round was a Debt of $570M in May 2025.
What was Axsome Therapeutics's biggest round?
Its most recent round, $570M in May 2025, is also its largest on record.
Who backed Axsome Therapeutics first?
Axsome Therapeutics's first round on record, in May 2025, was backed by Blackstone Group and Hercules Capital.
What stage is Axsome Therapeutics at?
Axsome Therapeutics's latest named round is a Debt, in May 2025.
Where is Axsome Therapeutics based?
Axsome Therapeutics is based in the United States.
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