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Disclosery

PBYI PUMA BIOTECHNOLOGY INC

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COMMON STOCK (common), issuer CIK 1401667

5 managers (5 13F filers) reported a position in PBYI shares at 2025-12-31, 1,226,378 shares in all. 0 filers opened a position and 0 filers sold out during the quarter.

Managers
5
13F filers
5
New
0
Added
1
Reduced
1
Sold out
0
Shares held by filers
1,226,378

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

  • AUERBACH ALAN H
    8,648,958 shares, 16% in a 13D/A as of 2026-10-04,0001104659-26-114167
    Accepted , ingested

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC793,962$4.72M<0.01%13F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY326,774$1.94M<0.01%-51,30813F-HR/ATimelineGroup
Round Rock Advisors LLC105,042$625K0.09%13F-HR/ATimeline
Essential Partners LLC441$2.62K<0.01%+213F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…159$946<0.01%13F-HR/ATimelineGroup

Events

  • AUERBACH ALAN H reported 8,648,958 PBYI shares, 16% of the class, as of 2026-10-04, in a 13D/A filed 2026-10-06. 0001104659-26-114167

    Accepted , ingested