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

2.740 -0.250 (-8.36%)
Delayed Quote Updated: 4:00 PM EDT, Oct 23, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,051,217
Open 2.950
Bid (Size) 2.510 (1,000)
Ask (Size) 2.850 (400)
Prev. Close 2.990
Today's Range 2.695 - 2.960
52wk Range 2.695 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.9% below 52-week high
2.740
2.6952W Low 33.6852W High
1 Week 11.3% 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 $2.74, 91.9% below its 52-week high. Over the past week it ranged between $2.69 and $3.09.

Past 12 Months
-2.1%
-47.2%
-57.3%
-70.5%
-89.9%
-87.0%
1W -$0.06
1M -$2.45
3M -$3.67
6M -$6.56
YTD -$24.33
1Y -$18.39

UPB was -87.0% over the past year, -70.5% over six months, -89.9% year to date, -2.1% in the last week.

12 Months vs Market
UPB
-87.0%
DIA
+11.6%
SPY
+13.1%
QQQ
+15.4%
IWM
+11.9%

Over the past 12 months UPB returned -87.0% versus DIA (Dow) +11.6%, SPY (S&P 500) +13.1%, QQQ (Nasdaq 100) +15.4% and IWM (Russell 2000) +11.9%.

Volume & Liquidity 1.31× 3-mo avg
Today 1,051,217 3-mo avg 800.7K
1W
1.4M
1M
1.1M
3M
800.7K
6M
691.9K
YTD
872.9K
1Y
800.0K

UPB most recently traded 1,051,217 shares against a 3-month average daily volume of 800.7K.

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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 2.740
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/23/26 04:00 PM ET
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