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

3.520 +0.130 (+3.84%)
Delayed Quote Updated: 9:37 AM EST, Nov 4, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 10,608
Open 3.590
Bid (Size) 3.520 (500)
Ask (Size) 3.670 (300)
Prev. Close 3.390
Today's Range 3.520 - 3.630
52wk Range 2.680 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 89.5% below 52-week high
3.520
2.6852W Low 33.6852W High
1 Week 0.1% below 1-week high
2.681W Low 3.521W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.68 and $33.68 over the past 52 weeks and last traded at $3.52, 89.5% below its 52-week high. Over the past week it ranged between $2.68 and $3.52.

Past 12 Months
+18.1%
-27.4%
-48.2%
-61.4%
-87.0%
-85.9%
1W +$0.54
1M -$1.33
3M -$3.27
6M -$5.60
YTD -$23.55
1Y -$21.50

UPB was -85.9% over the past year, -61.4% over six months, -87.0% year to date, +18.1% in the last week.

12 Months vs Market
UPB
-85.9%
DIA
+11.7%
SPY
+12.3%
QQQ
+9.6%
IWM
+15.9%

Over the past 12 months UPB returned -85.9% versus DIA (Dow) +11.7%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +9.6% and IWM (Russell 2000) +15.9%.

Volume & Liquidity 0.01× 3-mo avg
Today 10,608 3-mo avg 860.9K
1W
1.1M
1M
1.3M
3M
860.9K
6M
725.2K
YTD
879.6K
1Y
821.8K

UPB most recently traded 10,608 shares against a 3-month average daily volume of 860.9K.

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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 3.520
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 11/04/26 09:37 AM ET
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