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NASDAQ: PBYI
Puma Biotechnology Inc Stock Ownership - Who owns Puma Biotechnology?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Puma Biotechnology Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Douglas M. HuntOfficer2026-01-075,014$5.88
$29.48kSell
Alan H. AuerbachPresident and CEO2026-01-0718,012$5.88
$105.89kSell
Maximo F. NouguesChief Financial Officer2026-01-076,405$5.88
$37.65kSell
Maximo F. NouguesChief Financial Officer2026-01-064,540$5.84
$26.53kSell
Alan H. AuerbachPresident and CEO2026-01-0616,938$5.84
$98.99kSell
Douglas M. HuntOfficer2026-01-063,973$5.84
$23.22kSell
Michael Patrick MillerDirector2025-11-1120,000$4.86
$97.22kSell
Alessandra CesanoDirector2025-07-1827,000$3.37
$90.91kSell
Alan H. AuerbachPresident and CEO2025-07-0921,580$3.54
$76.29kSell
Douglas M. HuntOfficer2025-07-093,443$3.54
$12.17kSell

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Net Insider Buy/Sell (L12M) Ownership

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PBYI Shareholders

What type of owners hold Puma Biotechnology Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Adage Capital Partners GP LLC17.44%8,879,139$62.60MInsider
Alan H. Auerbach14.35%7,305,729$51.51MInsider
Acorn Capital Advisors LLC8.12%4,131,299$29.13MInstitution
Blackrock Inc7.07%3,598,952$25.37MInstitution
Adage Capital Partners LP6.29%3,200,000$22.56MInsider
Acadian Asset Management LLC4.01%2,041,759$14.39MInstitution
Renaissance Technologies LLC3.82%1,942,413$13.69MInstitution
American Century Companies Inc3.76%1,916,346$13.51MInstitution
Vanguard Capital Management LLC3.57%1,817,681$12.81MInstitution
Vanguard Portfolio Management LLC3.41%1,734,649$12.23MInstitution

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PBYI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PBYI63.35%36.65%Net Selling
IRD12.84%87.16%Net SellingNet Selling
RGNX76.81%23.19%Net SellingNet Selling
PALI84.50%4.78%Net Buying
OABI38.59%22.92%Net BuyingNet Selling
View Top Biotech Stocks

Puma Biotechnology Stock Ownership FAQ

Who owns Puma Biotechnology?

Puma Biotechnology (NASDAQ: PBYI) is owned by 74.38% institutional shareholders, 43.03% Puma Biotechnology insiders, and 0.00% retail investors. Adage Capital Partners GP LLC is the largest individual Puma Biotechnology shareholder, owning 8.88M shares representing 17.44% of the company. Adage Capital Partners GP LLC's Puma Biotechnology shares are currently valued at $62.60M.

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