PBYI (Puma Biotechnology) Short Interest

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

PBYI Puma Biotechnology Inc PBYI
53 GF Score
Price $7.73
GF Value $3.34
Valuation Significantly Overvalued
! 9 Warning Signs
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What is Puma Biotechnology Short Interest?

Short Interest can be expressed as a percentage by dividing the number of shares sold short by the total number of outstanding shares.

Due to the license agreement change with our data vendor, Short Interest related data on GuruFocus will no longer be updated. Existing data will remain as-is, while new data will not be available, except for certain Australian and Canadian stocks.

PBYI vs EVMN, OCGN, EDIT: Short Interest Comparison

For the Biotechnology subindustry, Puma Biotechnology's Short Interest, along with its competitors' market caps and Short Interest data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Puma Biotechnology Short Interest vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Puma Biotechnology's Short Interest distribution charts can be found below:

* The bar in red indicates where Puma Biotechnology's Short Interest falls into.


PBYI
53GF Score
Puma Biotechnology Inc PBYI
Short Interest is just one metric. See GF Score™, valuation, warning signs, and more.
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Is Puma Biotechnology (PBYI) Overvalued in 2026?

Based on GuruFocus' analysis, Puma Biotechnology stock appears to be overvalued. The current stock price of $7.73 is trading 131.3% above its estimated GF Value™ of $3.34. GuruFocus considers Puma Biotechnology to be Significantly Overvalued.

Key valuation signals for PBYI:

  • Short Interest:
  • GF Value™: $3.34 vs. price of $7.73 (131.3% above fair value)
  • GF Score™: 53/100 with 9 warning signs

No single metric tells the full story. See the PBYI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Puma Biotechnology Business Description

Address 10880 Wilshire Boulevard, Suite 1700, Los Angeles, CA, USA, 90024
Puma Biotechnology Inc is a biopharmaceutical company that develops and commercializes inventive products to enhance cancer care and improve treatment outcomes for patients. It is currently commercializing NERLYNX, an oral version of neratinib, for the treatment of HER2-positive breast cancer. Also, it is developing Alisertib, a selective, small-molecule inhibitor of aurora kinase A that is designed to disrupt mitosis, resulting in apoptosis of rapidly proliferating tumor cells that are dependent on aurora kinase A.
53GF Score

Get the complete analysis for PBYI

Short Interest is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$7.73
Price
$3.34
GF Value