UpStream Bio Inc. Share Price Today: Live Updates & Key Insights

UpStream Bio Inc. share price today is $8.68, up 3.46%. The stock opened at $8.35 against the previous close of $8.38, with an intraday high of $8.68 and low of $8.17.

UpStream Bio Inc. Share Price Chart

UpStream Bio Inc.

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UpStream Bio Inc. Share Price Performance

$8.68 0.0346(3.46%) UPB at 23 Mar 2026 03:39 PM Biotechnology
Lowest Today 8.17
Highest Today 8.68
Today’s Open 8.35
Prev. Close 8.38
52 Week High 33.68
52 Week Low 5.14
Day’s Range: Low 8.17 High 8.68
52-Week Range: Low 5.14 High 33.68
1 day return -
1 Week return -9.97
1 month return +7.98
3 month return -71.53
6 month return -47.98
1 year return +12.9
3 year return -
5 year return -
10 year return -

UpStream Bio Inc. Institutional Holdings

UpStream Bio Inc. Market Status

Strong Buy: 2

Buy: 2

Hold: 0

Sell: 0

Strong Sell: 0

UpStream Bio Inc. Fundamentals

Market Cap 1261.26 M

PB Ratio 1.1962

PE Ratio 0.0

Enterprise Value 81.84 M

Total Assets 481.72 M

Volume 3024871

UpStream Bio Inc. Company Financials

About UpStream Bio Inc. & investment objective

Company Information Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. It offers verekitug, which is in Phase 2 clinical development for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps, and in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.

Organisation Biotechnology

Employees 52

Industry Biotechnology

CEO Dr. E. Rand Sutherland M.D., M.P.H.

Trading and brokerage services provided by

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UpStream Bio Inc. FAQs

What is the share price of UpStream Bio Inc. today?

The current share price of UpStream Bio Inc. is $8.68.

Can I buy UpStream Bio Inc. shares in India?

Yes, Indian investors can buy UpStream Bio Inc. shares by opening an international trading and demat account with Motilal Oswal.

How to buy UpStream Bio Inc. shares in India?

You can easily invest in UpStream Bio Inc. shares from India by:

Can I buy fractional shares of UpStream Bio Inc.?

Yes, many platforms allow you to buy fractional shares starting from as low as $1.

What is the market capitalization value of UpStream Bio Inc.?

UpStream Bio Inc. has a market cap of $1261.26 M.

In which sector does UpStream Bio Inc. belong?

UpStream Bio Inc. operates in the Biotechnology sector.

What documents are required to invest in UpStream Bio Inc. stocks?

To invest, you typically need:

What is the PE and PB ratio of UpStream Bio Inc.?

The PE ratio of UpStream Bio Inc. is N/A and the PB ratio is 1.20.