United States · Funded startup

Who invested in Magenta Therapeutics

3 rounds we have observed, with the 12 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$187Mraised across 3 rounds since 2016, from 3 sources

$49MSeries A$52MSeries C$86MRound
Latest round
Round, $86MMay 2021
Step-upi
1.7×
Investors
12
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.

20172018201920202021
$49MSeries A$52MSeries C$86MRound
First round
Series A, $49M
Nov 2016
Biggest round
$86M
Round · May 2021
Usual gap between rounds
3.1 years
the median of 2

The rounds

  1. May 2021
  2. Apr 2018
    Series C$52M5 new

    Reported by FinSMEsSEC filing: $52M sold, first sale Apr 2018

  3. Nov 2016
    Series A$49M2 new

    Reported by FinSMEsSEC filing: $18M sold, first sale Nov 2016

Founders and team

From the SEC filings it signed: 3 on the team.

  • Jason GardnerExecutive Officer, Directori
  • John DavisExecutive Officeri
  • Zoran ZdraveskiExecutive Officeri

On the board, as filediAlexis BorisyAmy RonnebergBlake ByersBruce BoothDavid ScaddenJeffrey AlbersMichael BonneyThomas Daniel

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

Atlas VentureVC firm1round
OrbiMedPrivate equity1round
Janus Henderson InvestorsPrivate equity1round
TCGPrivate equity1round
Casdin CapitalVC firm1round
Third Rock VenturesVC firm1round
TCG CrossoverVC firm1round
AccessHedge fund1round
EventideVC firm1round
The Watermill GroupPrivate equity1round
Be the Matchno record of our own yet1round
Casdin Capital/ EcoR1no record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Magenta Therapeutics

Who invested in Magenta Therapeutics?

Magenta Therapeutics's investors include Atlas Venture, OrbiMed, Janus Henderson Investors, TCG and Casdin Capital, and 7 more on record.

How much has Magenta Therapeutics raised?

Magenta Therapeutics has raised $187M across 3 rounds since 2016.

When did Magenta Therapeutics last raise?

Magenta Therapeutics's most recent round was an Undisclosed round of $86M in May 2021.

What was Magenta Therapeutics's biggest round?

Its most recent round, $86M in May 2021, is also its largest on record.

Who backed Magenta Therapeutics first?

Magenta Therapeutics's first round on record, in Nov 2016, was backed by Atlas Venture and Third Rock Ventures.

What stage is Magenta Therapeutics at?

Magenta Therapeutics's latest named round is an Undisclosed round, in May 2021.

Where is Magenta Therapeutics based?

Magenta Therapeutics is based in the United States.

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