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

3.415 -0.285 (-7.70%)
Delayed Quote Updated: 9:47 AM EST, Nov 5, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 34,776
Open 3.640
Bid (Size) 3.380 (300)
Ask (Size) 3.450 (1,900)
Prev. Close 3.700
Today's Range 3.410 - 3.675
52wk Range 2.680 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 89.9% below 52-week high
3.415
2.6852W Low 33.6852W High
1 Week 11.1% below 1-week high
2.971W Low 3.841W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.68 and $33.68 over the past 52 weeks and last traded at $3.42, 89.9% below its 52-week high. Over the past week it ranged between $2.97 and $3.84.

Past 12 Months
+4.4%
-29.6%
-49.3%
-62.8%
-87.4%
-86.4%
1W +$0.15
1M -$1.43
3M -$3.33
6M -$5.77
YTD -$23.66
1Y -$21.62

UPB was -86.4% over the past year, -62.8% over six months, -87.4% year to date, +4.4% in the last week.

12 Months vs Market
UPB
-86.4%
DIA
+12.1%
SPY
+11.4%
QQQ
+8.2%
IWM
+16.1%

Over the past 12 months UPB returned -86.4% versus DIA (Dow) +12.1%, SPY (S&P 500) +11.4%, QQQ (Nasdaq 100) +8.2% and IWM (Russell 2000) +16.1%.

Volume & Liquidity 0.04× 3-mo avg
Today 34,776 3-mo avg 859.1K
1W
1.1M
1M
1.3M
3M
859.1K
6M
732.9K
YTD
881.4K
1Y
825.5K

UPB most recently traded 34,776 shares against a 3-month average daily volume of 859.1K.

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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 3.415
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 11/05/26 09:47 AM ET
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