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

2.750 +0.010 (+0.36%)
Delayed Quote Updated: 4:00 PM EDT, Oct 26, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 983,845
Open 2.750
Bid (Size) 2.500 (100)
Ask (Size) 3.420 (100)
Prev. Close 2.740
Today's Range 2.720 - 2.970
52wk Range 2.695 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.8% below 52-week high
2.750
2.6952W Low 33.6852W High
1 Week 11.0% below 1-week high
2.691W Low 3.091W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.69 and $33.68 over the past 52 weeks and last traded at $2.75, 91.8% below its 52-week high. Over the past week it ranged between $2.69 and $3.09.

Past 12 Months
-2.5%
-48.1%
-57.0%
-70.4%
-89.8%
-88.3%
1W -$0.07
1M -$2.55
3M -$3.65
6M -$6.54
YTD -$24.32
1Y -$20.83

UPB was -88.3% over the past year, -70.4% over six months, -89.8% year to date, -2.5% in the last week.

12 Months vs Market
UPB
-88.3%
DIA
+10.0%
SPY
+11.7%
QQQ
+13.4%
IWM
+10.7%

Over the past 12 months UPB returned -88.3% versus DIA (Dow) +10.0%, SPY (S&P 500) +11.7%, QQQ (Nasdaq 100) +13.4% and IWM (Russell 2000) +10.7%.

Volume & Liquidity 1.22× 3-mo avg
Today 983,845 3-mo avg 806.2K
1W
1.3M
1M
1.2M
3M
806.2K
6M
695.2K
YTD
873.5K
1Y
805.4K

UPB most recently traded 983,845 shares against a 3-month average daily volume of 806.2K.

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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 2.750
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/26/26 04:00 PM ET
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