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Upstream Bio, Inc. - Common Stock (NQ:UPB)

2.990 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 22, 2026 Add to My Watchlist
Quote
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News
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Price and Volume

Detailed Quote
Volume 0
Open 2.990
Bid (Size) 1.340 (100)
Ask (Size) 3.760 (200)
Prev. Close 2.990
Today's Range 2.990 - 2.990
52wk Range 2.700 - 33.68
Shares Outstanding N/A
Dividend Yield N/A
Chart for  (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
News headline image
ENAVATE's Zenas Bio Pharma add Is a Footnote — The Obexelimab Pipeline Is What to Watch ↗
March 21, 2026
This clinical-stage biotech develops immunology therapies for autoimmune and inflammatory diseases, with a diverse pipeline underway. 
Via The Motley Fool
Let's have a look at the top gainers and losers one hour before the close of the markets of today's session. ↗
February 13, 2026
Via Chartmill

Performance

52-Week Range 91.1% below 52-week high
2.990
2.7052W Low 33.6852W High
1 Week 11.8% below 1-week high
2.701W Low 3.391W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.70 and $33.68 over the past 52 weeks and last traded at $2.99, 91.1% below its 52-week high. Over the past week it ranged between $2.70 and $3.39.

Past 12 Months
+8.3%
-45.5%
-53.3%
-68.9%
-89.0%
-86.5%
1W +$0.23
1M -$2.50
3M -$3.41
6M -$6.61
YTD -$24.08
1Y -$19.16

UPB was -86.5% over the past year, -68.9% over six months, -89.0% year to date, +8.3% in the last week.

12 Months vs Market
UPB
-86.5%
DIA
+13.3%
SPY
+14.4%
QQQ
+16.3%
IWM
+13.7%

Over the past 12 months UPB returned -86.5% versus DIA (Dow) +13.3%, SPY (S&P 500) +14.4%, QQQ (Nasdaq 100) +16.3% and IWM (Russell 2000) +13.7%.

Volume & Liquidity
1W
1.6M
1M
1.1M
3M
794.1K
6M
687.0K
YTD
872.0K
1Y
797.6K

UPB's 3-month average daily volume is 794.1K.

More News

Read More
Let's take a look at the stocks that are in motion in today's session. ↗
February 13, 2026
Via Chartmill
Which stocks are experiencing notable movement on Wednesday? ↗
February 11, 2026
Via Chartmill
Top stock movements in today's session. ↗
February 11, 2026
Via Chartmill
Let's uncover which stocks are experiencing notable gaps during today's session. ↗
February 11, 2026
Via Chartmill
Get insights into the top gainers and losers of Wednesday's pre-market session. ↗
February 11, 2026
Via Chartmill
News headline image
Why Did UPB Stock Pop 20% In Pre-Market Today? ↗
February 11, 2026
Via Stocktwits
News headline image
12 Health Care Stocks Moving In Tuesday's After-Market Session ↗
September 02, 2025
Via Benzinga
News headline image
Curious about the stocks that are showing activity after the closing bell on Tuesday? ↗
September 02, 2025
Via Chartmill
News headline image
Upstream's New Sinus Treatment Cuts Need For Surgery, Early Trial Finds ↗
September 02, 2025
Via Benzinga
News headline image
Upstream Bio (UPB) Q2 R&D Soars 169% ↗
August 06, 2025
Via The Motley Fool
News headline image
Alerus Financial Posts Better-Than-Expected Earnings, Joins Celcuity, SES AI, Abercrombie & Fitch And Other Big Stocks Moving Higher On Monday ↗
July 28, 2025
Via Benzinga
Topics Artificial Intelligence
News headline image
Upstream Bio Stock Gets A Boost As New Lung Inflammation Drug Shows Higher Potency ↗
June 15, 2025
Via Stocktwits
News headline image
12 Health Care Stocks Moving In Monday's Pre-Market Session ↗
April 28, 2025
Via Benzinga
News headline image
Amtech Systems, Tesla And Other Big Stocks Moving Lower In Thursday's Pre-Market Session ↗
April 10, 2025
Via Benzinga
News headline image
12 Health Care Stocks Moving In Thursday's Pre-Market Session ↗
April 10, 2025
Via Benzinga
News headline image
Why ReShape Lifesciences Shares Are Trading Higher By Over 82%; Here Are 20 Stocks Moving Premarket ↗
April 10, 2025
Via Benzinga
News headline image
Upstream Bio Reports Fourth Quarter and Full Year 2024 Financial Results and Recent Business Highlights
March 12, 2025
From Upstream Bio
Via GlobeNewswire
News headline image
Discover the 3 Best-Performing Biotech IPO Stocks of 2024
November 06, 2024
Via MarketBeat
Topics Initial Public Offering
News headline image
Upstream Bio Is New On NASDAQ, Can Potentially Beat AstraZeneca's Asthma Drug On Efficacy, Analysts Say ↗
November 05, 2024
Via Benzinga
News headline image
This Eaton Analyst Begins Coverage On A Bullish Note; Here Are Top 5 Initiations For Tuesday ↗
November 05, 2024
Via Benzinga
News headline image
Another Trio Of Biotech IPOs Made Friday Debut ↗
October 13, 2024
Via Talk Markets

Frequently Asked Questions

Is Upstream Bio, Inc. - Common Stock publicly traded?
Yes, Upstream Bio, Inc. - Common Stock is publicly traded.
What exchange does Upstream Bio, Inc. - Common Stock trade on?
Upstream Bio, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Upstream Bio, Inc. - Common Stock?
The ticker symbol for Upstream Bio, Inc. - Common Stock is UPB on the Nasdaq Stock Market
What is the current price of Upstream Bio, Inc. - Common Stock?
The current price of Upstream Bio, Inc. - Common Stock is 2.990
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/22/26 04:00 PM ET
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