United States · 
Who invested in Upstream Bio?
Upstream Bio's investors include OrbiMed, Wellington Management, TCG, Omega Funds and Samsara BioCapital, and 2 more on record.
United States · Series B startup
Who invested in Upstream Bio
Funding summaryUpdated 26 Oct 2026
$200Mraised across 1 round since 2023, from 1 source
- Latest round
- Series B, $200MJun 2023
- Investors
- 7
The rounds
- Jun 2023Series B$200M
Source recorded
Founders and team
From Upstream Bio's own website: 6 on the team.
- Daniella BeckmanChief Executive Officer
- Amy IannelliVice President, Finance
- Ken AdamsSenior Vice President, Clinical Operations & Medical Writing
- Lisa FieringSenior Vice President, People & Culture
- Allison AmbroseGeneral Counsel
- Ron RenaudChair, Board of Directors
Everyone who backed them
Bain Capital Life SciencesPrivate equity1round
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Also claim to have backed them
This firm lists Upstream Bio 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 Upstream Bio
How much has Upstream Bio raised?
Upstream Bio has raised $200M across 1 round since 2023.
When did Upstream Bio last raise?
Upstream Bio's most recent round was a Series B of $200M in Jun 2023.
What was Upstream Bio's biggest round?
Its most recent round, $200M in Jun 2023, is also its largest on record.
Who backed Upstream Bio first?
Upstream Bio's first round on record, in Jun 2023, was backed by OrbiMed, Wellington Management and TCG and 4 others.
What stage is Upstream Bio at?
Upstream Bio's latest named round is a Series B, in Jun 2023.
Where is Upstream Bio based?
Upstream Bio is based in the United States.
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