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

2.875 +0.055 (+1.95%)
Delayed Quote Updated: 10:59 AM EDT, Oct 21, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 208,941
Open 2.830
Bid (Size) 2.870 (1,200)
Ask (Size) 2.880 (700)
Prev. Close 2.820
Today's Range 2.830 - 2.975
52wk Range 2.740 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.5% below 52-week high
2.875
2.7452W Low 33.6852W High
1 Week 20.1% below 1-week high
2.741W Low 3.601W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.74 and $33.68 over the past 52 weeks and last traded at $2.88, 91.5% below its 52-week high. Over the past week it ranged between $2.74 and $3.60.

Past 12 Months
-15.9%
-46.4%
-58.8%
-69.0%
-89.4%
-87.5%
1W -$0.54
1M -$2.49
3M -$4.11
6M -$6.38
YTD -$24.20
1Y -$20.18

UPB was -87.5% over the past year, -69.0% over six months, -89.4% year to date, -15.9% in the last week.

12 Months vs Market
UPB
-87.5%
DIA
+12.3%
SPY
+14.8%
QQQ
+18.3%
IWM
+11.6%

Over the past 12 months UPB returned -87.5% versus DIA (Dow) +12.3%, SPY (S&P 500) +14.8%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +11.6%.

Volume & Liquidity 0.27× 3-mo avg
Today 208,941 3-mo avg 766.2K
1W
1.6M
1M
1.1M
3M
766.2K
6M
673.5K
YTD
866.5K
1Y
791.3K

UPB most recently traded 208,941 shares against a 3-month average daily volume of 766.2K.

More News

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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 2.875
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/21/26 10:59 AM ET
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