Upstream Bio

IPO

Homepage

Public · Waltham, United States · Founded 2021 · $400.0M raised

Employees
51–200
Founded
2021
Business Model
B2B
Total Funding
$400.0M
Last Round
$200.0M Series BJun 2023
Rounds
2
Type
Public

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

Upstream Bio is a clinical-stage biotechnology company developing verekitug, the only known TSLP receptor antagonist in clinical development for inflammatory diseases. The company has advanced verekitug into three Phase 2 clinical trials across chronic rhinosinusitis with nasal polyps, severe asthma, and COPD, with an experienced team focused on severe respiratory diseases.

Summary

Upstream Bio is a Biotech company based in Waltham, United States, founded in 2021. It has raised $400.0M in total across 2 rounds, most recently a $200.0M Series B round in Jun 2023. Investors include OrbiMed, Maruho Co., Ltd. and Enavate Sciences.

Tech & App Stack

4 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding & Exit History

IPOOct 2024
$293.0M

Sign up to see all 3 events

Funding: Series A through Series B. Amounts, valuations, and investors where available.

Investors

Similar Companies

Tiantan Biological / China Biologic (泰邦生物集团)

China's leading blood products manufacturer

Beijing, China1001–5000Biotech, Healthcare
Growth EquityTotal funding$5.1BAug 2022
Pharmaceutical Product Development, Inc. (PPD)Acquired

Global contract research organization providing comprehensive drug development and laboratory ser...

Wilmington, United States10001+Biotech, Healthcare
Private EquityTotal funding$3.9BJan 2019
Warner ChilcottAcquired

Specialty pharmaceutical company

Rockaway, United States1001–5000Biotech, Healthcare
Private EquityTotal funding$3.0BJan 2004
Altos Labs

Altos Labs combines academic science and industry development to create medicines that restore ce...

San Francisco, United States501–1000Life Sciences, Biotech
Series ATotal funding$3.0BJan 2022
Syneos HealthAcquired

Integrated biopharmaceutical solutions company

Burlington, United States10001+Biotech, Healthcare
Private EquityTotal funding$3.0BMay 2017
BeiGeneIPO

BeOne Medicines develops transformative oncology medicines through rigorous science, an accelerat...

Cambridge, United States10001+Biotech, Oncology
Corporate RoundTotal funding$2.8BJan 2020

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Upstream Bio on Indexed.vc
<a href="https://indexed.vc/companies/upstream-bio"><img src="https://indexed.vc/api/badge/company/upstream-bio" alt="Upstream Bio on Indexed.vc" width="260" height="76" /></a>