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

2.995 -0.375 (-11.13%)
Delayed Quote Updated: 12:44 PM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 866,857
Open 3.390
Bid (Size) 2.990 (1,500)
Ask (Size) 3.000 (500)
Prev. Close 3.370
Today's Range 2.960 - 3.390
52wk Range 3.285 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.1% below 52-week high
2.995
3.2952W Low 33.6852W High
1 Week 37.1% below 1-week high
3.291W Low 4.761W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $3.29 and $33.68 over the past 52 weeks and last traded at $3.00, 91.1% below its 52-week high. Over the past week it ranged between $3.29 and $4.76.

Past 12 Months
-36.3%
-45.3%
-58.6%
-70.3%
-88.9%
-86.2%
1W -$1.71
1M -$2.49
3M -$4.24
6M -$7.10
YTD -$24.07
1Y -$18.70

UPB was -86.2% over the past year, -70.3% over six months, -88.9% year to date, -36.3% in the last week.

12 Months vs Market
UPB
-86.2%
DIA
+12.4%
SPY
+15.2%
QQQ
+18.9%
IWM
+8.5%

Over the past 12 months UPB returned -86.2% versus DIA (Dow) +12.4%, SPY (S&P 500) +15.2%, QQQ (Nasdaq 100) +18.9% and IWM (Russell 2000) +8.5%.

Volume & Liquidity 1.22× 3-mo avg
Today 866,857 3-mo avg 709.0K
1W
1.2M
1M
893.0K
3M
709.0K
6M
650.6K
YTD
853.8K
1Y
775.9K

UPB most recently traded 866,857 shares against a 3-month average daily volume of 709.0K.

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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 2.995
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/16/26 12:44 PM ET
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