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

3.300 -0.250 (-7.04%)
Delayed Quote Updated: 12:42 PM EDT, Oct 14, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 741,342
Open 3.475
Bid (Size) 3.290 (3,100)
Ask (Size) 3.300 (200)
Prev. Close 3.550
Today's Range 3.290 - 3.600
52wk Range 3.520 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 90.2% below 52-week high
3.300
3.5252W Low 33.6852W High
1 Week 30.7% 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 $3.30, 90.2% below its 52-week high. Over the past week it ranged between $3.52 and $4.76.

Past 12 Months
-28.4%
-43.2%
-53.8%
-68.1%
-87.8%
-83.6%
1W -$1.31
1M -$2.51
3M -$3.84
6M -$7.04
YTD -$23.77
1Y -$16.78

UPB was -83.6% over the past year, -68.1% over six months, -87.8% year to date, -28.4% in the last week.

12 Months vs Market
UPB
-83.6%
DIA
+11.8%
SPY
+16.2%
QQQ
+21.5%
IWM
+11.2%

Over the past 12 months UPB returned -83.6% versus DIA (Dow) +11.8%, SPY (S&P 500) +16.2%, QQQ (Nasdaq 100) +21.5% and IWM (Russell 2000) +11.2%.

Volume & Liquidity 1.10× 3-mo avg
Today 741,342 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 741,342 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 3.300
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/14/26 12:42 PM ET
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