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

4.850 -0.190 (-3.77%)
Delayed Quote Updated: 4:00 PM EDT, Oct 5, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,010,579
Open 5.070
Bid (Size) 4.620 (300)
Ask (Size) 4.950 (300)
Prev. Close 5.040
Today's Range 4.665 - 5.100
52wk Range 4.665 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 85.6% below 52-week high
4.850
4.6752W Low 33.6852W High
1 Week 11.1% below 1-week high
4.671W Low 5.461W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $4.67 and $33.68 over the past 52 weeks and last traded at $4.85, 85.6% below its 52-week high. Over the past week it ranged between $4.67 and $5.46.

Past 12 Months
-6.6%
-21.6%
-34.5%
-50.1%
-82.1%
-74.4%
1W -$0.34
1M -$1.34
3M -$2.55
6M -$4.87
YTD -$22.22
1Y -$14.12

UPB was -74.4% over the past year, -50.1% over six months, -82.1% year to date, -6.6% in the last week.

12 Months vs Market
UPB
-74.4%
DIA
+9.7%
SPY
+15.4%
QQQ
+24.4%
IWM
+14.8%

Over the past 12 months UPB returned -74.4% versus DIA (Dow) +9.7%, SPY (S&P 500) +15.4%, QQQ (Nasdaq 100) +24.4% and IWM (Russell 2000) +14.8%.

Volume & Liquidity 1.69× 3-mo avg
Today 1,010,579 3-mo avg 598.1K
1W
887.0K
1M
650.4K
3M
598.1K
6M
600.9K
YTD
833.1K
1Y
745.1K

UPB most recently traded 1,010,579 shares against a 3-month average daily volume of 598.1K.

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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 4.850
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/05/26 04:00 PM ET
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Starting at /week.