UPB (Upstream Bio) Float Percentage Of Total Shares Outstanding: 64.86% (As of Jul. 17, 2026)

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UPB Upstream Bio Inc UPB
10 GF Score
Price $6.99
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What is Upstream Bio Float Percentage Of Total Shares Outstanding?

Upstream Bio UPB -3.04% 10 Float Percentage Of Total Shares Outstanding is 64.86% as of Jul. 17, 2026. GuruFocus rates UPB with a GF Score™ of 10/100. The stock has 1 warning sign investors should review.

Float percentage of total shares outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Upstream Bio's float shares is 35.30 Mil. Upstream Bio's total shares outstanding is 54.42 Mil. Upstream Bio's float percentage of total shares outstanding is 64.86%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Upstream Bio's Insider Ownership is 0.32%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Upstream Bio's Institutional Ownership is 86.87%.

UPB
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Upstream Bio Inc UPB
Float Percentage Of Total Shares Outstanding is just one metric. See GF Score™, valuation, warning signs, and more.
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Upstream Bio Float Percentage Of Total Shares Outstanding Calculation

It is the percentage of float shares out of the total shares outstanding.

Upstream Bio's Float Percentage of Total Shares Outstanding for today is calculated as follows:

Float Percentage of Total Shares Outstanding=Float Shares/Total Shares Outstanding
=35.30/54.42
=64.86%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a Float Percentage Of Total Shares Outstanding of 64.86% mean?
Upstream Bio (UPB) has a Float Percentage Of Total Shares Outstanding of 64.86% as of Jul. 17, 2026. Float percent of shares outstanding equals the percent of float shares relative to total shares. View historical data on Upstream Bio and its competitors.
Is Upstream Bio's Float Percentage Of Total Shares Outstanding too high?
Upstream Bio's current Float Percentage Of Total Shares Outstanding is 64.86%. Overall, Upstream Bio has a GF Score™ of 10/100, reflecting its overall financial health beyond just this single metric.
How does Upstream Bio's Float Percentage Of Total Shares Outstanding compare to OABI and VNDA?
Upstream Bio's Float Percentage Of Total Shares Outstanding of 64.86% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Float Percentage Of Total Shares Outstanding for a Biotechnology company?
A good Float Percentage Of Total Shares Outstanding depends on the Biotechnology industry context. However, Float Percentage Of Total Shares Outstanding should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Float Percentage Of Total Shares Outstanding mean?
A high Float Percentage Of Total Shares Outstanding can signal that a stock is expensive relative to its fundamentals. Float percent of shares outstanding equals the percent of float shares relative to total shares. View historical data on Upstream Bio and its competitors. Upstream Bio's current Float Percentage Of Total Shares Outstanding is 64.86%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Upstream Bio stock overvalued right now?
Upstream Bio (UPB) has a current Float Percentage Of Total Shares Outstanding of 64.86%. The current Float Percentage Of Total Shares Outstanding is 64.86%. Upstream Bio's overall GF Score™ is 10/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Float Percentage Of Total Shares Outstanding calculated?
Float Percentage Of Total Shares Outstanding is calculated from a company's financial statements. For Upstream Bio (UPB), the current Float Percentage Of Total Shares Outstanding is 64.86% as of Jul. 17, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Upstream Bio Business Description

Address 890 Winter Street, Suite 200, Waltham, MA, USA, 02451
Upstream Bio Inc is a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It is developing verekitug, the known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin (TSLP), a cytokine that is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune-mediated diseases. Verekitug has advanced into three separate world-wide, placebo-controlled, randomized Phase 2 clinical trials, two completed in chronic rhinosinusitis with nasal polyps (CRSwNP) and severe asthma, and one ongoing in chronic obstructive pulmonary disease (COPD).
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Float Percentage Of Total Shares Outstanding is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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