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

2.760 -0.610 (-18.10%)
Delayed Quote Updated: 4:00 PM EDT, Oct 16, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 1,836,415
Open 3.390
Bid (Size) 2.800 (200)
Ask (Size) 3.880 (100)
Prev. Close 3.370
Today's Range 2.740 - 3.390
52wk Range 2.740 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.8% below 52-week high
2.760
2.7452W Low 33.6852W High
1 Week 41.5% below 1-week high
2.741W Low 4.721W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.74 and $33.68 over the past 52 weeks and last traded at $2.76, 91.8% below its 52-week high. Over the past week it ranged between $2.74 and $4.72.

Past 12 Months
-33.8%
-48.3%
-60.5%
-72.4%
-89.8%
-88.0%
1W -$1.41
1M -$2.58
3M -$4.22
6M -$7.23
YTD -$24.31
1Y -$20.29

UPB was -88.0% over the past year, -72.4% over six months, -89.8% year to date, -33.8% in the last week.

12 Months vs Market
UPB
-88.0%
DIA
+11.2%
SPY
+13.7%
QQQ
+16.1%
IWM
+9.0%

Over the past 12 months UPB returned -88.0% versus DIA (Dow) +11.2%, SPY (S&P 500) +13.7%, QQQ (Nasdaq 100) +16.1% and IWM (Russell 2000) +9.0%.

Volume & Liquidity 2.50× 3-mo avg
Today 1,836,415 3-mo avg 734.1K
1W
1.3M
1M
996.3K
3M
734.1K
6M
655.9K
YTD
858.7K
1Y
784.5K

UPB most recently traded 1,836,415 shares against a 3-month average daily volume of 734.1K.

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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 2.760
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/16/26 04:00 PM ET
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