PBYI PUMA BIOTECHNOLOGY, INC.: institutional ownership and insider trading
173 funds reported holding $340M of PUMA BIOTECHNOLOGY, INC. in their latest 13F filings; in Q2 2026 funds net bought $6.72M, with 20 new positions and 15 funds selling out; over the last 12 months insiders bought $0 and sold $2.12M on the open market.
Famous investors holding PBYI
- Renaissance Technologies (Renaissance Technologies): $14.9M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $4.88M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $2.57M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.14M, 0.0% of the portfolio
Largest institutional holders of PBYI
- ACORN CAPITAL ADVISORS, LLC — $33.5M
- BlackRock, Inc. (BLK) — $30.9M
- VANGUARD GROUP INC — $22.6M
- AMERICAN CENTURY COMPANIES INC — $18.8M
- ACADIAN ASSET MANAGEMENT LLC — $16.6M
- RENAISSANCE TECHNOLOGIES LLC — $14.9M
- VANGUARD CAPITAL MANAGEMENT LLC — $14.9M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $14.8M
- LSV ASSET MANAGEMENT — $13.1M
- DIMENSIONAL FUND ADVISORS LP — $12.3M
Recent PBYI insider trades
- Sep 14, 2026: Cesano Alessandra sold 62,150 shares ($567K)
- Sep 14, 2026: Wilson Troy Edward sold 5,000 shares ($45.5K)
- Jul 6, 2026: Nougues Maximo F sold 9,386 shares ($77.5K)
- Jul 6, 2026: Hunt Douglas M sold 8,460 shares ($69.9K)
5%+ owners
- Alan H. Auerbach: 16.0% (Schedule 13D/A, filed Oct 6, 2026)