Puma Biotechnology, Inc.
PBYI- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001401667
In the last 90 days, Puma Biotechnology, Inc. insiders filed 0 open-market purchases and 5 sales; 160 institutions reported holding it in 13F filings for Q2 2026, worth $313.6M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Puma Biotechnology, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 121
- +6 vs. Q1 2025
- Shares held
- 32.9M
- +2.48M (+8.1%) vs. Q1 2025
- Total value
- $112.8M
- +$22.8M (+25.3%) vs. Q1 2025
- New holders
- 22
- 42 more added
- Sold out
- 16
- 32 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PBYI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 160 | $313.6M |
| Q1 2026 | 157 | $241.8M |
| Q4 2025 | 151 | $210.2M |
| Q3 2025 | 132 | $182.6M |
| Q2 2025 | 121 | $112.8M |
| Q1 2025 | 116 | $90.1M |
| Q4 2024 | 112 | $90.1M |
| Q3 2024 | 100 | $76.0M |
| Q2 2024 | 99 | $101.0M |
| Q1 2024 | 93 | $164.4M |
| Q4 2023 | 82 | $117.0M |
| Q3 2023 | 69 | $67.6M |
| Q2 2023 | 68 | $93.8M |
| Q1 2023 | 78 | $86.3M |
| Q4 2022 | 89 | $116.3M |
| Q3 2022 | 83 | $65.5M |
| Q2 2022 | 89 | $79.5M |
| Q1 2022 | 104 | $86.1M |
| Q4 2021 | 102 | $93.1M |
| Q3 2021 | 116 | $226.0M |
| Q2 2021 | 120 | $319.3M |
| Q1 2021 | 118 | $355.9M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Puma Biotechnology, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 344,083 | $1.18M | 0.00% | +3,197+0.9% | Added |
| SEI Investments Co | 347,234 | $1.19M | 0.00% | −445−0.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 437,660 | $1.50M | 0.01% | +329,715+305.4% | Added |
| Los Angeles Capital Management LLC | 445,477 | $1.53M | 0.01% | +38,623+9.5% | Added |
| Arrowstreet Capital, Limited Partnership | 451,633 | $1.55M | 0.00% | +93,012+25.9% | Added |
| Globeflex Capital L P | 452,606 | $1.55M | 0.13% | 00.0% | Unchanged |
| Citadel Advisors LLC | 507,818 | $1.74M | 0.00% | +507,818 | New |
| LSV Asset Management | 535,740 | $1.84M | 0.00% | +482,340+903.3% | Added |
| D. E. Shaw & Co., Inc. | 640,780 | $2.20M | 0.00% | +69,115+12.1% | Added |
| State Street Corp | 734,606 | $2.52M | 0.00% | +84,814+13.1% | Added |
| Janus Henderson Group PLC | 745,541 | $2.56M | 0.00% | +745,541 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 900,256 | $3.09M | 0.01% | +68,567+8.2% | Added |
| Geode Capital Management, LLC | 971,674 | $3.33M | 0.00% | +16,218+1.7% | Added |
| Kennedy Capital Management, Inc. | 987,001 | $3.39M | 0.08% | +75,878+8.3% | Added |
| Dimensional Fund Advisors LP | 1,150,040 | $3.94M | 0.00% | +261,377+29.4% | Added |
| American Century Companies Inc | 1,342,275 | $4.60M | 0.00% | +192,615+16.8% | Added |
| Renaissance Technologies LLC | 1,874,713 | $6.43M | 0.01% | +45,500+2.5% | Added |
| Acadian Asset Management LLC | 2,008,146 | $6.88M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 3,706,452 | $12.7M | 0.00% | +37,189+1.0% | Added |
| BlackRock, Inc. | 3,835,715 | $13.2M | 0.00% | −11,653−0.3% | Reduced |
| Acorn Capital Advisors, LLC | 4,131,299 | $14.2M | 9.27% | +191,247+4.9% | Added |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −99,394−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −59,727−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −37,469−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −31,477−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −24,702−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −22,030−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −20,618−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −17,647−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −13,055−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −12,752−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −12,508−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −12,224−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −10,500−100.0% | Sold out |
| Gateway Wealth Partners, LLC | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −304−100.0% | Sold out |
| CAPROCK Group, Inc. | – | – | – | – | Not filed |