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%
-48.2%
-60.6%
-72.4%
-89.8%
-87.6%
1W -$1.41
1M -$2.57
3M -$4.25
6M -$7.23
YTD -$24.31
1Y -$19.52

UPB was -87.6% 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
-87.6%
DIA
+13.0%
SPY
+15.5%
QQQ
+18.3%
IWM
+10.4%

Over the past 12 months UPB returned -87.6% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.5%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +10.4%.

Volume & Liquidity 2.52× 3-mo avg
Today 1,836,415 3-mo avg 728.6K
1W
1.3M
1M
954.5K
3M
728.6K
6M
656.0K
YTD
858.7K
1Y
781.3K

UPB most recently traded 1,836,415 shares against a 3-month average daily volume of 728.6K.

More News

Read More

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
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the Privacy Policy and Terms Of Service.