PBYI
PUMA BIOTECHNOLOGY INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
PUMA BIOTECHNOLOGY INC (PBYI) is held by 4 tracked hedge-fund managers, a combined reported value of ~$34.04M; the largest are Renaissance Technologies, Izzy Englander, Izzy Englander. This quarter: 1 added, 2 trimmed. 6 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Quiet
Gurus holding4
Congress trades6
Price$8.40vs quarter-end+31.46%
Sectors0
This quarter's moves
Top holderRenaissance TechnologiesNew0
Added1
Trimmed / sold2
Value $11.21M— of portfolio128,3002017 Q2
Value $663.6K— of portfolio125,2002024 Q1
Value $88.1K— of portfolio14,8002025 Q4
Value $592— of portfolio2002025 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Izzy EnglanderPUT | $11.21M | — | — |
| Izzy EnglanderCALL | $663.6K | — | — |
| Ken GriffinCALL | $88.1K | — | — |
| Ken GriffinPUT | $592 | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.