Upstream Bio

Waltham, United States

Upstream Bio focuses on developing an antibody therapy for the treatment of severe asthma.

Jun 2023

Series B

Top Investors

TCG CrossoverWellington ManagementSamsara BioCapitalOrbiMedBain Capital Life Sciences

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Who are Upstream Bio's investors?

Upstream Bio's investors include TCG Crossover, Wellington Management, Samsara BioCapital, OrbiMed, Bain Capital Life Sciences.

Where is Upstream Bio headquartered?

Upstream Bio is headquartered in Waltham, United States.

What does Upstream Bio do?

Upstream Bio focuses on developing an antibody therapy for the treatment of severe asthma.

What stage is Upstream Bio at?

Upstream Bio is at the Series B stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated June 8, 2023.

MLA

"Upstream Bio — Funding & Investors." VCBacked, June 8, 2023, https://www.vcbacked.co/company/upstream-bio. Accessed July 1, 2026.

APA

VCBacked. (2023). Upstream Bio — Funding & Investors. Retrieved July 1, 2026, from https://www.vcbacked.co/company/upstream-bio

Wikipedia (cite web)

{{cite web |title=Upstream Bio — Funding & Investors |url=https://www.vcbacked.co/company/upstream-bio |website=VCBacked |access-date=July 1, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated June 8, 2023.