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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
Alessandra CesanoDirector2025-07-1827,000$3.37
$90.91kSell
Alan H. AuerbachPresident and CEO2025-07-0921,580$3.54
$76.29kSell
Maximo F. NouguesChief Financial Officer2025-07-093,935$3.54
$13.91kSell
Douglas M. HuntOfficer2025-07-093,443$3.54
$12.17kSell
Alan H. AuerbachPresident and CEO2025-07-0825,592$3.53
$90.42kSell
Maximo F. NouguesChief Financial Officer2025-07-085,587$3.53
$19.74kSell
Douglas M. HuntOfficer2025-07-084,374$3.53
$15.45kSell
Troy Edward WilsonDirector2025-06-1310,800$3.40
$36.72kSell
Alessandra CesanoDirector2025-06-1312,150$3.40
$41.31kSell
Allison DorvalDirector2025-06-1311,610$3.40
$39.47kSell

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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 LLC17.89%8,879,139$44.44MInsider
Alan H. Auerbach14.47%7,180,901$35.94MInsider
Acorn Capital Advisors LLC8.32%4,131,299$20.68MInstitution
Blackrock Inc7.73%3,835,715$19.20MInstitution
Vanguard Group Inc7.47%3,706,452$18.55MInstitution
Adage Capital Partners LP6.45%3,200,000$16.02MInsider
Acadian Asset Management LLC4.05%2,008,146$10.05MInstitution
Renaissance Technologies LLC3.78%1,874,713$9.38MInstitution
American Century Companies Inc2.70%1,342,275$6.72MInstitution
Dimensional Fund Advisors LP2.32%1,150,040$5.76MInstitution

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PBYI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PBYI60.14%39.86%Net SellingNet Selling
HUMA35.95%21.86%Net Selling
OABI44.82%26.40%Net Buying
IMMP0.11%0.00%
LXEO78.27%13.19%Net Buying
View Top Biotech Stocks

Puma Biotechnology Stock Ownership FAQ

Who owns Puma Biotechnology?

Puma Biotechnology (NASDAQ: PBYI) is owned by 66.04% institutional shareholders, 43.76% 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 17.89% of the company. Adage Capital Partners GP LLC's Puma Biotechnology shares are currently valued at $45.19M.

If you're new to stock investing, here's how to buy Puma Biotechnology stock.
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