United States · 
Who invested in Avrobio?
Avrobio's investors include Atlas Venture, Morningside Group, Cormorant Asset Management, Atlas and Brace Pharma, and 5 more on record.
20172018
$25MSeries A$60MRound
United States · Funded startup
Who invested in Avrobio
Funding summaryUpdated 26 Oct 2026
$85Mraised across 2 rounds since 2016, from 2 sources
$25MSeries A$60MRound
- Latest round
- Round, $60MFeb 2018
- Step-upi
- 2.4×
- Investors
- 10
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $25M Aug 2016
- Biggest round
- $60M Round · Feb 2018
- Between rounds
- 18 months from the last two
The rounds
- Feb 2018Round$60M8 new
Morningside Group
Cormorant Asset Management
Atlas
Brace Pharma- Eventide
- Clarus
- SV Health
- Surveyor Capital/ Aisling
Reported by FinSMEsSEC filing: $60M sold, first sale Jan 2018
- Aug 2016Series A$25M2 new
Atlas Venture- Clarus & Life Sciences
Reported by BusinesswireSEC filing: $7.5M sold, first sale Jul 2016
Founders and team
From the SEC filings it signed: 5 on the team.
- Christopher MasonExecutive Officeri
- Deanna PetersenExecutive Officeri
- Geoffrey MacKayExecutive Officer, Directori
- Katina DortonExecutive Officeri
- Kim WarrenExecutive Officeri
On the board, as filediBruce BoothChristopher PaigeIan ClarkJoshua ResnickScott Requadt
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.
Series A2016Round2018Atlas VentureMorningside GroupCormorant Asset ManagementAtlasBrace PharmaEventideClarusClarus & Life SciencesSurveyor Capital/ AislingSV Health
Atlas VentureMorningside GroupCormorant Asset ManagementAtlasBrace PharmaEventideClarusClarus & Life SciencesSurveyor Capital/ AislingSV HealthEveryone who backed them
EventideVC firm1round
Clarusno record of our own yet1round
Clarus & Life Sciencesno record of our own yet1round
Surveyor Capital/ Aislingno record of our own yet1round
SV Healthno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 2 firms list Avrobio as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Avrobio
How much has Avrobio raised?
Avrobio has raised $85M across 2 rounds since 2016.
When did Avrobio last raise?
Avrobio's most recent round was an Undisclosed round of $60M in Feb 2018.
What was Avrobio's biggest round?
Its most recent round, $60M in Feb 2018, is also its largest on record.
Who backed Avrobio first?
Avrobio's first round on record, in Aug 2016, was backed by Atlas Venture and Clarus & Life Sciences.
What stage is Avrobio at?
Avrobio's latest named round is an Undisclosed round, in Feb 2018.
Where is Avrobio based?
Avrobio is based in the United States.
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