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.

United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$187Mraised across 3 rounds since 2016, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by FinSMEsSEC filing: $52M sold, first sale Apr 2018
Reported by FinSMEsSEC filing: $18M sold, first sale Nov 2016
From the SEC filings it signed: 3 on the team.
On the board, as filediAlexis BorisyAmy RonnebergBlake ByersBruce BoothDavid ScaddenJeffrey AlbersMichael BonneyThomas Daniel
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Magenta Therapeutics's investors include Atlas Venture, OrbiMed, Janus Henderson Investors, TCG and Casdin Capital, and 7 more on record.
Magenta Therapeutics has raised $187M across 3 rounds since 2016.
Magenta Therapeutics's most recent round was an Undisclosed round of $86M in May 2021.
Its most recent round, $86M in May 2021, is also its largest on record.
Magenta Therapeutics's first round on record, in Nov 2016, was backed by Atlas Venture and Third Rock Ventures.
Magenta Therapeutics's latest named round is an Undisclosed round, in May 2021.
Magenta Therapeutics is based in the United States.
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