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

3.765 -0.405 (-9.71%)
Delayed Quote Updated: 12:27 PM EDT, Oct 13, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 285,547
Open 4.140
Bid (Size) 3.760 (1,000)
Ask (Size) 3.770 (400)
Prev. Close 4.170
Today's Range 3.755 - 4.155
52wk Range 4.120 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 88.8% below 52-week high
3.765
4.1252W Low 33.6852W High
1 Week 22.6% 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 $3.77, 88.8% below its 52-week high. Over the past week it ranged between $4.12 and $4.87.

Past 12 Months
-18.0%
-35.2%
-48.3%
-63.2%
-86.1%
-81.2%
1W -$0.82
1M -$2.04
3M -$3.52
6M -$6.46
YTD -$23.30
1Y -$16.31

UPB was -81.2% over the past year, -63.2% over six months, -86.1% year to date, -18.0% in the last week.

12 Months vs Market
UPB
-81.2%
DIA
+12.0%
SPY
+17.2%
QQQ
+23.4%
IWM
+13.0%

Over the past 12 months UPB returned -81.2% versus DIA (Dow) +12.0%, SPY (S&P 500) +17.2%, QQQ (Nasdaq 100) +23.4% and IWM (Russell 2000) +13.0%.

Volume & Liquidity 0.43× 3-mo avg
Today 285,547 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 285,547 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 3.765
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/13/26 12:27 PM ET
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