PUMA BIOTECHNOLOGY INC (PBYI) Institutional Ownership and Insiders Activity

PUMA BIOTECHNOLOGY INC (PBYI) is widely held by institutional investors, with 158 firms reporting positions valued at approximately $312.05M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Acorn Capital Advisors, Llc is the largest disclosed holder, reporting approximately $33.50M in PBYI holdings in its latest filing.

Recent insider activity includes 6 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.