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

Insider buying vs selling

Have Puma Biotechnology Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Troy Edward WilsonDirector2026-06-1210,800$7.20
$77.75kSell
Allison DorvalDirector2026-06-1211,610$7.20
$83.58kSell
Brian M. StuglikDirector2026-06-128,100$7.20
$58.31kSell
Jay M. MoyesDirector2026-06-1222,000$7.22
$158.80kSell
Adrian SenderowiczDirector2026-06-1227,000$7.20
$194.32kSell
Maximo F. NouguesChief Financial Officer2026-01-076,405$5.88
$37.65kSell
Alan H. AuerbachPresident and CEO2026-01-0718,012$5.88
$105.89kSell
Douglas M. HuntOfficer2026-01-075,014$5.88
$29.48kSell
Alan H. AuerbachPresident and CEO2026-01-0616,938$5.84
$98.99kSell
Douglas M. HuntOfficer2026-01-063,973$5.84
$23.22kSell

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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$70.68MInsider
Alan H. Auerbach14.35%7,305,729$58.15MInsider
Acorn Capital Advisors LLC8.12%4,131,299$32.89MInstitution
Blackrock Inc7.07%3,598,952$28.65MInstitution
Adage Capital Partners LP6.29%3,200,000$25.47MInsider
Acadian Asset Management LLC4.01%2,041,759$16.25MInstitution
Renaissance Technologies LLC3.82%1,942,413$15.46MInstitution
American Century Companies Inc3.76%1,916,346$15.25MInstitution
Vanguard Capital Management LLC3.57%1,817,681$14.47MInstitution
Vanguard Portfolio Management LLC3.41%1,734,649$13.81MInstitution

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PBYI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PBYI63.24%36.76%Net SellingNet Selling
LXEO91.36%8.64%Net SellingNet Selling
PRLD38.64%51.23%Net BuyingNet Buying
ANL9.66%14.53%Net SellingNet Selling
ENTA65.29%34.71%Net Selling

Puma Biotechnology Stock Ownership FAQ

Who owns Puma Biotechnology?

Puma Biotechnology (NASDAQ: PBYI) is owned by 74.38% institutional shareholders, 43.25% 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 $72.19M.

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