United States · 
Who invested in Akouos?
Akouos's investors include 5AM Ventures, New Enterprise Associates, RA Capital Management, Fidelity and Cormorant Asset Management, and 1 more on record.
201820192020
$7.5MSeed$105MSeries B
United States · Series B startup
Who invested in Akouos
Funding summaryUpdated 26 Oct 2026
$113Mraised across 2 rounds since 2017, from 2 sources
$7.5MSeed$105MSeries B
- Latest round
- Series B, $105MMar 2020
- Step-upi
- 14×
- 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
- Seed, $7.5M Nov 2017
- Biggest round
- $105M Series B · Mar 2020
- Between rounds
- 2.3 years from the last two
The rounds
- Mar 2020Series B$105M4 new1 returning
Source recordedSEC filing: $105M sold, first sale Feb 2020
- Nov 2017Seed$7.5M2 new
5AM Ventures- NEA/ Partners Innovation
Reported by FinSMEsSEC filing: $7.6M sold, first sale Oct 2017
Founders and team
From the SEC filings it signed: 3 on the team.
- Aninda KatragaddaExecutive Officeri
- Emmanuel SimonsExecutive Officer, Directori
- Karoline ShairExecutive Officeri
On the board, as filediArthur TzianabosChris SmithEd MathersHeather PrestonKush ParmarVicki Sato
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.
Seed2017Series B20205AM Ventures
New Enterprise Associates
RA Capital ManagementFidelity
Cormorant Asset ManagementNEA/ Partners Innovation
5AM VenturesNew Enterprise AssociatesRA Capital ManagementFidelityCormorant Asset ManagementNEA/ Partners InnovationEveryone who backed them
FidelityVC firm1round
NEA/ Partners Innovationno 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 Akouos 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 Akouos
How much has Akouos raised?
Akouos has raised $113M across 2 rounds since 2017.
When did Akouos last raise?
Akouos's most recent round was a Series B of $105M in Mar 2020.
What was Akouos's biggest round?
Its most recent round, $105M in Mar 2020, is also its largest on record.
Who backed Akouos first?
Akouos's first round on record, in Nov 2017, was backed by 5AM Ventures and NEA/ Partners Innovation.
What stage is Akouos at?
Akouos's latest named round is a Series B, in Mar 2020.
Where is Akouos based?
Akouos is based in the United States.
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