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
Michael Patrick MillerDirector2025-11-1120,000$4.86
$97.22kSell
Alessandra CesanoDirector2025-07-1827,000$3.37
$90.91kSell
Douglas M. HuntOfficer2025-07-093,443$3.54
$12.17kSell
Maximo F. NouguesChief Financial Officer2025-07-093,935$3.54
$13.91kSell
Alan H. AuerbachPresident and CEO2025-07-0921,580$3.54
$76.29kSell
Maximo F. NouguesChief Financial Officer2025-07-085,587$3.53
$19.74kSell
Alan H. AuerbachPresident and CEO2025-07-0825,592$3.53
$90.42kSell
Douglas M. HuntOfficer2025-07-084,374$3.53
$15.45kSell
Allison DorvalDirector2025-06-1311,610$3.40
$39.47kSell
Troy Edward WilsonDirector2025-06-1310,800$3.40
$36.72kSell

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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 LLC17.62%8,879,139$49.99MInsider
Alan H. Auerbach14.25%7,180,901$40.43MInsider
Acorn Capital Advisors LLC8.20%4,131,299$23.26MInstitution
Vanguard Group Inc7.33%3,691,720$20.78MInstitution
Blackrock Inc7.10%3,577,877$20.14MInstitution
Adage Capital Partners LP6.35%3,200,000$18.02MInsider
Renaissance Technologies LLC4.27%2,151,213$12.11MInstitution
Acadian Asset Management LLC4.07%2,053,305$11.56MInstitution
American Century Companies Inc2.94%1,483,188$8.35MInstitution
Dimensional Fund Advisors LP2.52%1,271,878$7.16MInstitution

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PBYI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PBYI61.30%38.70%Net SellingNet Selling
GALT11.91%88.09%Net SellingNet Selling
ZURA49.27%50.73%
ABEO45.73%54.27%Net SellingNet Selling
CLYM65.38%9.43%Net BuyingNet Buying

Puma Biotechnology Stock Ownership FAQ

Who owns Puma Biotechnology?

Puma Biotechnology (NASDAQ: PBYI) is owned by 68.20% institutional shareholders, 43.07% 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 17.62% of the company. Adage Capital Partners GP LLC's Puma Biotechnology shares are currently valued at $49.99M.

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