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

3.550 -0.620 (-14.87%)
Delayed Quote Updated: 4:00 PM EDT, Oct 13, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,037,446
Open 4.140
Bid (Size) 3.560 (100)
Ask (Size) 3.750 (300)
Prev. Close 4.170
Today's Range 3.520 - 4.155
52wk Range 4.120 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 89.5% below 52-week high
3.550
4.1252W Low 33.6852W High
1 Week 27.0% below 1-week high
4.121W Low 4.871W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $4.12 and $33.68 over the past 52 weeks and last traded at $3.55, 89.5% below its 52-week high. Over the past week it ranged between $4.12 and $4.87.

Past 12 Months
-22.7%
-38.9%
-51.2%
-65.3%
-86.9%
-82.3%
1W -$1.04
1M -$2.26
3M -$3.73
6M -$6.68
YTD -$23.52
1Y -$16.53

UPB was -82.3% over the past year, -65.3% over six months, -86.9% year to date, -22.7% in the last week.

12 Months vs Market
UPB
-82.3%
DIA
+12.1%
SPY
+17.3%
QQQ
+23.5%
IWM
+13.2%

Over the past 12 months UPB returned -82.3% versus DIA (Dow) +12.1%, SPY (S&P 500) +17.3%, QQQ (Nasdaq 100) +23.5% and IWM (Russell 2000) +13.2%.

Volume & Liquidity 1.56× 3-mo avg
Today 1,037,446 3-mo avg 663.6K
1W
1.4M
1M
815.8K
3M
663.6K
6M
632.6K
YTD
846.9K
1Y
765.4K

UPB most recently traded 1,037,446 shares against a 3-month average daily volume of 663.6K.

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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 3.550
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/13/26 04:00 PM ET
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