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

3.665 -0.505 (-12.11%)
Delayed Quote Updated: 3:33 PM EDT, Oct 13, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 649,666
Open 4.140
Bid (Size) 3.660 (1,200)
Ask (Size) 3.670 (300)
Prev. Close 4.170
Today's Range 3.665 - 4.155
52wk Range 4.120 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 89.1% below 52-week high
3.665
4.1252W Low 33.6852W High
1 Week 24.7% below 1-week high
4.121W Low 4.871W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $4.12 and $33.68 over the past 52 weeks and last traded at $3.67, 89.1% below its 52-week high. Over the past week it ranged between $4.12 and $4.87.

Past 12 Months
-20.2%
-36.9%
-49.7%
-64.2%
-86.5%
-81.7%
1W -$0.92
1M -$2.14
3M -$3.62
6M -$6.57
YTD -$23.41
1Y -$16.41

UPB was -81.7% over the past year, -64.2% over six months, -86.5% year to date, -20.2% in the last week.

12 Months vs Market
UPB
-81.7%
DIA
+12.2%
SPY
+17.4%
QQQ
+23.5%
IWM
+13.4%

Over the past 12 months UPB returned -81.7% versus DIA (Dow) +12.2%, SPY (S&P 500) +17.4%, QQQ (Nasdaq 100) +23.5% and IWM (Russell 2000) +13.4%.

Volume & Liquidity 0.98× 3-mo avg
Today 649,666 3-mo avg 663.6K
1W
1.4M
1M
815.8K
3M
663.6K
6M
632.6K
YTD
846.9K
1Y
765.4K

UPB most recently traded 649,666 shares against a 3-month average daily volume of 663.6K.

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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 3.665
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/13/26 03:33 PM ET
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