UPSTREAM BIO INC (UPB) Stock Price & Overview

NASDAQ:UPB • US91678A1079

Current stock price

9.5 USD
+0.19 (+2.04%)
At close:
9.5 USD
0 (0%)
After Hours:

The current stock price of UPB is 9.5 USD. Today UPB is up by 2.04%. In the past month the price increased by 23.86%. In the past year, price increased by 55.74%.

UPB Key Statistics

52-Week Range5.14 - 33.68
Current UPB stock price positioned within its 52-week range.
1-Month Range7.4 - 10.43
Current UPB stock price positioned within its 1-month range.
Market Cap
513.38M
P/E
N/A
Fwd P/E
N/A
EPS (TTM)
-3.47
Dividend Yield
N/A

UPB Stock Performance

Today
+2.04%
1 Week
-2.96%
1 Month
+23.86%
3 Months
-64.91%
Longer-term
6 Months -49.01%
1 Year +55.74%
2 Years N/A
3 Years N/A
5 Years N/A
10 Years N/A

UPB Stock Chart

UPSTREAM BIO INC / UPB Daily stock chart

UPB Technical Analysis

ChartMill assigns a technical rating of 1 / 10 to UPB. When comparing the yearly performance of all stocks, UPB is a bad performer in the overall market: 74.38% of all stocks are doing better.


Chartmill TA Rating
Chartmill Setup Rating

UPB Fundamental Analysis

ChartMill assigns a fundamental rating of 3 / 10 to UPB. UPB has a great financial health rating, but its profitability evaluates not so good.


Chartmill FA Analysis
Valuation
Growth
Profitability
Health
Dividend

UPB Earnings

On March 18, 2026 UPB reported an EPS of -0.63 and a revenue of 683.00K. The company beat EPS expectations (20.23% surprise) and beat revenue expectations (4.84% surprise).

Next Earnings DateMay 4, 2026
Last Earnings DateMar 18, 2026
PeriodQ3 / 2025
EPS Reported-$0.63
Revenue Reported683K
EPS Surprise 20.23%
Revenue Surprise 4.84%

UPB Forecast & Estimates

12 analysts have analysed UPB and the average price target is 49.47 USD. This implies a price increase of 420.74% is expected in the next year compared to the current price of 9.5.

For the next year, analysts expect an EPS growth of 67.9% and a revenue growth 25.46% for UPB


Analysts
Analysts81.67
Price Target49.47 (420.74%)
EPS Next Y67.9%
Revenue Next Year25.46%

UPB Groups

Sector & Classification

UPB Financial Highlights

Over the last trailing twelve months UPB reported a non-GAAP Earnings per Share(EPS) of -3.47. The EPS decreased by -99.7% compared to the year before.


Income Statements
Revenue(TTM)2.80M
Net Income(TTM)-122.77M
Industry RankSector Rank
PM (TTM) N/A
ROA -31.38%
ROE -32.43%
Debt/Equity 0
Chartmill High Growth Momentum
EPS Q2Q%90.95%
Sales Q2Q%12.52%
EPS 1Y (TTM)-99.7%
Revenue 1Y (TTM)-0.42%

UPB Ownership

Ownership
Inst Owners84.29%
Shares54.04M
Float40.18M
Ins Owners0.39%
Short Float %11.83%
Short Ratio3.26

About UPB

Company Profile

UPB logo image Upstream Bio, Inc. is a clinical-stage biotechnology company, which engages in the development of treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. The company is headquartered in Waltham, Massachusetts and currently employs 52 full-time employees. The company went IPO on 2024-10-11. The firm is developing verekitug, the only known antagonist in clinical development, that targets the receptor for thymic stromal lymphopoietin (TSLP), a cytokine which is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune mediated diseases. The company has advanced this highly potent monoclonal antibody into separate phase II trials for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps and plans to initiate development in chronic obstructive pulmonary disease. TSLP is a member of a class of epithelial cytokines, also including IL-25 and IL-33, commonly referred to as alarmins. TSLP is primarily produced by epithelial cells, especially in the lung, gastrointestinal tract and skin.

Company Info

IPO: 2024-10-11

UPSTREAM BIO INC

890 Winter Street, Suite 200

Waltham MASSACHUSETTS US

Employees: 52

UPB Company Website

Phone: 17812082466

UPSTREAM BIO INC / UPB FAQ

What does UPB do?

Upstream Bio, Inc. is a clinical-stage biotechnology company, which engages in the development of treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. The company is headquartered in Waltham, Massachusetts and currently employs 52 full-time employees. The company went IPO on 2024-10-11. The firm is developing verekitug, the only known antagonist in clinical development, that targets the receptor for thymic stromal lymphopoietin (TSLP), a cytokine which is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune mediated diseases. The company has advanced this highly potent monoclonal antibody into separate phase II trials for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps and plans to initiate development in chronic obstructive pulmonary disease. TSLP is a member of a class of epithelial cytokines, also including IL-25 and IL-33, commonly referred to as alarmins. TSLP is primarily produced by epithelial cells, especially in the lung, gastrointestinal tract and skin.


What is the current price of UPB stock?

The current stock price of UPB is 9.5 USD. The price increased by 2.04% in the last trading session.


Does UPSTREAM BIO INC pay dividends?

UPB does not pay a dividend.


What is the ChartMill technical and fundamental rating of UPB stock?

UPB has a ChartMill Technical rating of 1 out of 10 and a ChartMill Fundamental rating of 3 out of 10.


What is the GICS sector and industry of UPB stock?

UPSTREAM BIO INC (UPB) operates in the Health Care sector and the Biotechnology industry.


What is UPSTREAM BIO INC worth?

UPSTREAM BIO INC (UPB) has a market capitalization of 513.38M USD. This makes UPB a Small Cap stock.


What is the next earnings date for UPB stock?

UPSTREAM BIO INC (UPB) will report earnings on 2026-05-04.