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, Q1 2025
Institutional positions in Puma Biotechnology, Inc. as of Mar 31, 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
- 116
- +5 vs. Q4 2024
- Shares held
- 30.4M
- +953.1K (+3.2%) vs. Q4 2024
- Total value
- $90.1M
- +$170.3K (+0.2%) vs. Q4 2024
- New holders
- 25
- 44 more added
- Sold out
- 20
- 25 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Puma Biotechnology, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 358,621 | $1.06M | 0.00% | +358,621 | New |
| Los Angeles Capital Management LLC | 406,854 | $1.20M | 0.01% | +121,175+42.4% | Added |
| Globeflex Capital L P | 452,606 | $1.34M | 0.12% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 571,665 | $1.69M | 0.00% | +349,057+156.8% | Added |
| State Street Corp | 649,792 | $1.92M | 0.00% | +39,850+6.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 831,689 | $2.46M | 0.01% | +344,321+70.6% | Added |
| Dimensional Fund Advisors LP | 888,663 | $2.63M | 0.00% | +24,903+2.9% | Added |
| Kennedy Capital Management, Inc. | 911,123 | $2.70M | 0.06% | +101,748+12.6% | Added |
| Geode Capital Management, LLC | 955,456 | $2.83M | 0.00% | +36,021+3.9% | Added |
| American Century Companies Inc | 1,149,660 | $3.40M | 0.00% | +201,284+21.2% | Added |
| Millennium Management LLC | 1,385,194 | $4.10M | 0.00% | −508,932−26.9% | Reduced |
| Renaissance Technologies LLC | 1,829,213 | $5.41M | 0.01% | +73,700+4.2% | Added |
| Acadian Asset Management LLC | 2,008,146 | $5.94M | 0.02% | +36,018+1.8% | Added |
| Vanguard Group Inc | 3,669,263 | $10.9M | 0.00% | +25,841+0.7% | Added |
| BlackRock, Inc. | 3,847,368 | $11.4M | 0.00% | +23,563+0.6% | Added |
| Acorn Capital Advisors, LLC | 3,940,052 | $11.7M | 7.78% | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −159,425−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −75,929−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −58,849−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −38,241−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −35,300−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −32,615−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −24,668−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −22,480−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −20,426−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −20,128−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −17,700−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −11,871−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −11,853−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −11,131−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −10,955−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −6,796−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −5,020−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Aventura Private Wealth, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Richards, Merrill & Peterson, Inc. | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |