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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
Alan H. AuerbachPresident and CEO2026-07-0644,058$8.26
$364.05kSell
Douglas M. HuntOfficer2026-07-068,460$8.26
$69.90kSell
Maximo F. NouguesChief Financial Officer2026-07-069,386$8.26
$77.56kSell
Brian M. StuglikDirector2026-06-128,100$7.20
$58.31kSell
Jay M. MoyesDirector2026-06-1222,000$7.22
$158.80kSell
Troy Edward WilsonDirector2026-06-1210,800$7.20
$77.75kSell
Allison DorvalDirector2026-06-1211,610$7.20
$83.58kSell
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

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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 LLC17.20%8,879,139$82.04MInsider
Alan H. Auerbach14.07%7,261,671$67.10MInsider
Adage Capital Partners LP6.20%3,200,000$29.57MInsider
Frank Zavrl1.86%960,069$8.87MInsider
Maximo F. Nougues0.45%230,637$2.13MInsider
Douglas M. Hunt0.38%196,841$1.82MInsider
Jeffrey Jerome Ludwig0.30%156,792$1.45MInsider
Thomas Malley0.30%156,551$1.45MInsider
Alvin F. Wong0.27%141,241$1.31MInsider
Richard Paul Bryce0.24%121,662$1.12MInsider

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PBYI vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PBYI0.07%42.52%Net SellingNet Selling
EDIT0.08%21.44%Net SellingNet Selling
QTTB0.07%76.98%Net BuyingNet Buying
OCGN0.04%10.51%Net BuyingNet Buying
PRTA0.09%83.10%Net BuyingNet Selling
View Top Biotech Stocks

Puma Biotechnology Stock Ownership FAQ

Who owns Puma Biotechnology?

Puma Biotechnology (NASDAQ: PBYI) is owned by 0.07% institutional shareholders, 42.52% Puma Biotechnology insiders, and 57.40% retail investors. Adage Capital Partners GP LLC is the largest individual Puma Biotechnology shareholder, owning 8.88M shares representing 17.20% of the company. Adage Capital Partners GP LLC's Puma Biotechnology shares are currently valued at $82.04M.

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