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Upstream Bio, Inc.NasdaqGS:UPB Stock Report

Market Cap US$1.2b
Share Price
US$22.28
My Fair Value
US$49.75
55.2% undervalued intrinsic discount
1Y-5.6%
7D12.6%
Portfolio Value
View

Upstream Bio, Inc.

NasdaqGS:UPB Stock Report

Market Cap: US$1.2b

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Upstream Bio, Inc. Competitors

Price History & Performance

Summary of share price highs, lows and changes for Upstream Bio
Historical stock prices
Current Share PriceUS$22.28
52 Week HighUS$29.46
52 Week LowUS$5.14
Beta0
1 Month Change28.42%
3 Month Change107.84%
1 Year Change-5.59%
3 Year Changen/a
5 Year Changen/a
Change since IPO1.27%

Recent News & Updates

Upstream Bio (NASDAQ:UPB) Is In A Good Position To Deliver On Growth Plans

Jul 27
Upstream Bio (NASDAQ:UPB) Is In A Good Position To Deliver On Growth Plans

Recent updates

Upstream Bio (NASDAQ:UPB) Is In A Good Position To Deliver On Growth Plans

Jul 27
Upstream Bio (NASDAQ:UPB) Is In A Good Position To Deliver On Growth Plans

Upstream Bio: Verekitug, A Longer-Acting Dupixent? - Key Data Is Imminent

Apr 17

We Think Upstream Bio (NASDAQ:UPB) Can Afford To Drive Business Growth

Apr 12
We Think Upstream Bio (NASDAQ:UPB) Can Afford To Drive Business Growth

Upstream Bio: Treating Respiratory Disorders With TSLP Targeting Differentiation

Dec 16

Upstream Bio: Attractive, But Let's Wait For More Data And Lock-Up Expiry

Dec 07

Shareholder Returns

UPBUS BiotechsUS Market
7D12.6%0.9%-1.2%
1Y-5.6%-0.6%15.1%

Return vs Industry: UPB underperformed the US Biotechs industry which returned -0.6% over the past year.

Return vs Market: UPB underperformed the US Market which returned 15.1% over the past year.

Price Volatility

Is UPB's price volatile compared to industry and market?
UPB volatility
UPB Average Weekly Movement11.0%
Biotechs Industry Average Movement10.6%
Market Average Movement6.5%
10% most volatile stocks in US Market17.6%
10% least volatile stocks in US Market3.0%

Stable Share Price: UPB's share price has been volatile over the past 3 months compared to the US market.

Volatility Over Time: UPB's weekly volatility (11%) has been stable over the past year, but is still higher than 75% of US stocks.

About the Company

FoundedEmployeesCEOWebsite
202152E. Sutherlandupstreambio.com

Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. Its product candidate includes verekitug, which is in Phase 2 clinical development for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps, as well as in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.

Upstream Bio, Inc. Fundamentals Summary

How do Upstream Bio's earnings and revenue compare to its market cap?
UPB fundamental statistics
Market capUS$1.17b
Earnings (TTM)-US$110.06m
Revenue (TTM)US$2.72m
441.1x
P/S Ratio
-10.9x
P/E Ratio

Earnings & Revenue

Key profitability statistics from the latest earnings report (TTM)
UPB income statement (TTM)
RevenueUS$2.72m
Cost of RevenueUS$0
Gross ProfitUS$2.72m
Other ExpensesUS$112.78m
Earnings-US$110.06m

Last Reported Earnings

Jun 30, 2025

Next Earnings Date

n/a

Earnings per share (EPS)-2.04
Gross Margin100.00%
Net Profit Margin-4,041.83%
Debt/Equity Ratio0%

How did UPB perform over the long term?

See historical performance and comparison

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/10/16 21:44
End of Day Share Price 2025/10/16 00:00
Earnings2025/06/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Upstream Bio, Inc. is covered by 5 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Tessa RomeroJ.P. Morgan
Yasmeen RahimiPiper Sandler Companies
Yaron WerberTD Cowen