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

3.570 +0.020 (+0.56%)
Delayed Quote Updated: 9:49 AM EDT, Oct 14, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 63,594
Open 3.475
Bid (Size) 3.560 (500)
Ask (Size) 3.580 (200)
Prev. Close 3.550
Today's Range 3.400 - 3.600
52wk Range 3.520 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 89.4% below 52-week high
3.570
3.5252W Low 33.6852W High
1 Week 25.0% below 1-week high
3.521W Low 4.761W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $3.52 and $33.68 over the past 52 weeks and last traded at $3.57, 89.4% below its 52-week high. Over the past week it ranged between $3.52 and $4.76.

Past 12 Months
-22.6%
-38.6%
-50.0%
-65.5%
-86.8%
-82.2%
1W -$1.04
1M -$2.24
3M -$3.57
6M -$6.77
YTD -$23.50
1Y -$16.51

UPB was -82.2% over the past year, -65.5% over six months, -86.8% year to date, -22.6% in the last week.

12 Months vs Market
UPB
-82.2%
DIA
+12.4%
SPY
+17.1%
QQQ
+22.9%
IWM
+12.1%

Over the past 12 months UPB returned -82.2% versus DIA (Dow) +12.4%, SPY (S&P 500) +17.1%, QQQ (Nasdaq 100) +22.9% and IWM (Russell 2000) +12.1%.

Volume & Liquidity 0.09× 3-mo avg
Today 63,594 3-mo avg 675.4K
1W
1.4M
1M
825.9K
3M
675.4K
6M
637.5K
YTD
847.9K
1Y
766.5K

UPB most recently traded 63,594 shares against a 3-month average daily volume of 675.4K.

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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 3.570
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/14/26 09:49 AM ET
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