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

2.840 -0.530 (-15.73%)
Delayed Quote Updated: 3:20 PM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,347,775
Open 3.390
Bid (Size) 2.830 (700)
Ask (Size) 2.840 (900)
Prev. Close 3.370
Today's Range 2.835 - 3.390
52wk Range 3.285 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.6% below 52-week high
2.840
3.2952W Low 33.6852W High
1 Week 40.3% 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 $2.84, 91.6% below its 52-week high. Over the past week it ranged between $3.29 and $4.76.

Past 12 Months
-39.6%
-48.2%
-60.7%
-71.9%
-89.5%
-86.9%
1W -$1.86
1M -$2.64
3M -$4.39
6M -$7.26
YTD -$24.23
1Y -$18.85

UPB was -86.9% over the past year, -71.9% over six months, -89.5% year to date, -39.6% in the last week.

12 Months vs Market
UPB
-86.9%
DIA
+12.0%
SPY
+14.6%
QQQ
+17.8%
IWM
+8.0%

Over the past 12 months UPB returned -86.9% versus DIA (Dow) +12.0%, SPY (S&P 500) +14.6%, QQQ (Nasdaq 100) +17.8% and IWM (Russell 2000) +8.0%.

Volume & Liquidity 1.90× 3-mo avg
Today 1,347,775 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 1,347,775 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 2.840
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/16/26 03:20 PM ET
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