United States · 
Who invested in IGM Biosciences?
IGM Biosciences's investors include Janus Henderson Investors, Vivo Capital and Redmile Group.
2020202120222023
$102MSeries C$107MRound
United States · Funded startup
Who invested in IGM Biosciences
Funding summaryUpdated 26 Oct 2026
$209Mraised across 2 rounds since 2019, from 2 sources
$102MSeries C$107MRound
- Latest round
- Round, $107MJun 2023
- Investors
- 3
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 C, $102M Jul 2019
- Biggest round
- $107M Round · Jun 2023
- Between rounds
- 3.9 years from the last two
The rounds
- Jun 2023Round$107M3 returning
Source recordedSEC filing: $23M sold, first sale Jun 2023
- Jul 2019
Founders and team
From the SEC filings it signed: 6 on the team.
- Bruce A KeytExecutive Officeri
- Chris H. TakimotoExecutive Officeri
- Fred M. SchwarzerExecutive Officer, Directori
- George A GauthierExecutive Officeri
- Lisa L. DeckerExecutive Officeri
- Misbah A TahirExecutive Officeri
On the board, as filediChristina Teng TopsoeFelix J. BakerJakob Haldor TopsoeJulie J. HambletonM. Kathleen J. BehrensMichael J. LeeMichael J. LobergWilliam J. Strohl
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 IGM Biosciences
How much has IGM Biosciences raised?
IGM Biosciences has raised $209M across 2 rounds since 2019.
When did IGM Biosciences last raise?
IGM Biosciences's most recent round was an Undisclosed round of $107M in Jun 2023.
What was IGM Biosciences's biggest round?
Its most recent round, $107M in Jun 2023, is also its largest on record.
Who backed IGM Biosciences first?
IGM Biosciences's first round on record, in Jul 2019, was backed by Janus Henderson Investors, Vivo Capital and Redmile Group.
What stage is IGM Biosciences at?
IGM Biosciences's latest named round is an Undisclosed round, in Jun 2023.
Where is IGM Biosciences based?
IGM Biosciences is based in the United States.
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