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

3.380 +0.030 (+0.90%)
Delayed Quote Updated: 2:31 PM EST, Nov 3, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 508,803
Open 3.360
Bid (Size) 3.360 (800)
Ask (Size) 3.380 (300)
Prev. Close 3.350
Today's Range 3.325 - 3.525
52wk Range 2.680 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 90.0% below 52-week high
3.380
2.6852W Low 33.6852W High
1 Week 2.3% below 1-week high
2.681W Low 3.461W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.68 and $33.68 over the past 52 weeks and last traded at $3.38, 90.0% below its 52-week high. Over the past week it ranged between $2.68 and $3.46.

Past 12 Months
+21.1%
-30.3%
-47.4%
-63.7%
-87.5%
-86.5%
1W +$0.59
1M -$1.47
3M -$3.04
6M -$5.93
YTD -$23.69
1Y -$21.64

UPB was -86.5% over the past year, -63.7% over six months, -87.5% year to date, +21.1% in the last week.

12 Months vs Market
UPB
-86.5%
DIA
+9.3%
SPY
+10.5%
QQQ
+8.5%
IWM
+14.3%

Over the past 12 months UPB returned -86.5% versus DIA (Dow) +9.3%, SPY (S&P 500) +10.5%, QQQ (Nasdaq 100) +8.5% and IWM (Russell 2000) +14.3%.

Volume & Liquidity 0.59× 3-mo avg
Today 508,803 3-mo avg 857.7K
1W
1.1M
1M
1.3M
3M
857.7K
6M
719.8K
YTD
879.2K
1Y
821.2K

UPB most recently traded 508,803 shares against a 3-month average daily volume of 857.7K.

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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 3.380
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 11/03/26 02:31 PM ET
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