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

2.790 +0.040 (+1.45%)
Delayed Quote Updated: 4:00 PM EDT, Oct 27, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,179,622
Open 2.760
Bid (Size) 2.740 (2,000)
Ask (Size) 2.940 (1,000)
Prev. Close 2.750
Today's Range 2.680 - 2.935
52wk Range 2.680 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.7% below 52-week high
2.790
2.6852W Low 33.6852W High
1 Week 9.7% below 1-week high
2.681W Low 3.091W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.68 and $33.68 over the past 52 weeks and last traded at $2.79, 91.7% below its 52-week high. Over the past week it ranged between $2.68 and $3.09.

Past 12 Months
-1.1%
-47.4%
-56.4%
-70.0%
-89.7%
-88.2%
1W -$0.03
1M -$2.51
3M -$3.61
6M -$6.50
YTD -$24.28
1Y -$20.79

UPB was -88.2% over the past year, -70.0% over six months, -89.7% year to date, -1.1% in the last week.

12 Months vs Market
UPB
-88.2%
DIA
+10.1%
SPY
+12.3%
QQQ
+14.8%
IWM
+11.9%

Over the past 12 months UPB returned -88.2% versus DIA (Dow) +10.1%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +14.8% and IWM (Russell 2000) +11.9%.

Volume & Liquidity 1.45× 3-mo avg
Today 1,179,622 3-mo avg 811.8K
1W
1.3M
1M
1.2M
3M
811.8K
6M
699.0K
YTD
875.0K
1Y
806.9K

UPB most recently traded 1,179,622 shares against a 3-month average daily volume of 811.8K.

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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 2.790
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/27/26 04:00 PM ET
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