Institutional shares held 30.9 Million
32.7K calls
200 puts
Total value of holdings $103M
$109K calls
$0 puts
Market Cap $166M
45,556,000 Shares Out.
Institutional ownership 67.84%
# of Institutions 116


Latest Institutional Activity in PBYI

Top Purchases

Q1 2025
Acorn Capital Advisors, LLC Shares Held: 3.94M ($14.3M)
Q1 2025
Arrowstreet Capital, Limited Partnership Shares Held: 359K ($1.31M)
Q1 2025
D. E. Shaw & Co., Inc. Shares Held: 572K ($2.08M)
Q1 2025
Connor, Clark & Lunn Investment Management Ltd. Shares Held: 832K ($3.03M)
Q1 2025
Prudential Financial Inc Shares Held: 308K ($1.12M)

Top Sells

Q1 2025
Eversept Partners, LP Shares Held: 276K ($1M)
Q1 2025
Millennium Management LLC Shares Held: 1.39M ($5.04M)
Q1 2025
Jpmorgan Chase & CO Shares Held: 48.4K ($176K)
Q1 2025
Qube Research & Technologies LTD Shares Held: 153K ($557K)
Q1 2025
Walleye Capital LLC Shares Held: 13.1K ($47.5K)

About PBYI

Puma Biotechnology, Inc., a biopharmaceutical company, focuses on the development and commercialization of products to enhance cancer care in the United States and internationally. The company's drug candidates include PB272 neratinib (oral) for the patients with early stage HER2-overexpressed/amplified breast cancer; PB272 (neratinib, oral) for the use of neratinib in combination with capecitabine for the treatment of adult patients with advanced or metastatic HER2-positive breast cancer; PB272 (neratinib, oral) for HER2 mutation-positive solid tumors. It has a license agreement with Pfizer, Inc.; and sub-license agreement with Specialised Therapeutics Asia Pte Ltd., CANbridge BIOMED Limited, Pint Pharma International SA, Knight Therapeutics, Inc., Pierre Fabre Medicament SAS, and Bixink Therapeutics Co., Ltd. The company was founded in 2010 and is headquartered in Los Angeles, California.


Insider Transactions at PBYI

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
545K Shares
From 11 Insiders
Grant, award, or other acquisition 545K shares
Sell / Disposition
249K Shares
From 10 Insiders
Open market or private sale 249K shares

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