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 2026
Institutional positions in Puma Biotechnology, Inc. as of Mar 31, 2026. 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
- 157
- +11 vs. Q4 2025
- Shares held
- 37.9M
- +6.34M (+20.1%) vs. Q4 2025
- Total value
- $241.8M
- +$54.4M (+29.0%) vs. Q4 2025
- New holders
- 29
- 61 more added
- Sold out
- 18
- 38 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Puma Biotechnology, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 39,308 | $251.2K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 40,364 | $257.9K | 0.00% | −12,021−22.9% | Reduced |
| Man Group plc | 47,375 | $302.7K | 0.00% | +51+0.1% | Added |
| D'Orazio & Associates, Inc. | 49,915 | $319.0K | 0.04% | +108+0.2% | Added |
| Rhumbline Advisers | 53,036 | $338.9K | 0.00% | −859−1.6% | Reduced |
| EntryPoint Capital, LLC | 53,464 | $341.6K | 0.10% | +18,075+51.1% | Added |
| Nomura Asset Management International Inc. | 61,255 | $391.0K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 66,333 | $423.9K | 0.01% | −30,826−31.7% | Reduced |
| State of Wyoming | 75,808 | $484.4K | 0.06% | +22,653+42.6% | Added |
| Nuveen, LLC | 79,101 | $505.5K | 0.00% | 00.0% | Unchanged |
| OpenArc Corporate Advisory, LLC | 89,491 | $571.8K | 0.01% | +130+0.1% | Added |
| STRS Ohio | 91,500 | $584.7K | 0.00% | −7,900−7.9% | Reduced |
| Invesco Ltd. | 95,044 | $607.3K | 0.00% | −13,257−12.2% | Reduced |
| Evergreen Capital Management LLC | 96,000 | $613.4K | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 115,915 | $740.7K | 0.00% | −9,457−7.5% | Reduced |
| First Trust Advisors LP | 123,513 | $789.2K | 0.00% | +713+0.6% | Added |
| Round Rock Advisors, LLC | 128,912 | $823.7K | 0.13% | +23,870+22.7% | Added |
| Haven Private, LLC | 155,260 | $992.1K | 0.43% | +63,177+68.6% | Added |
| Prospera Financial Services Inc | 173,051 | $1.11M | 0.02% | −12,445−6.7% | Reduced |
| FMR LLC | 191,833 | $1.23M | 0.00% | +27,963+17.1% | Added |
| Panagora Asset Management Inc | 194,887 | $1.25M | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 204,041 | $1.30M | 0.01% | +17,856+9.6% | Added |
| State of Wisconsin Investment Board | 208,618 | $1.33M | 0.00% | +74,844+55.9% | Added |
| JPMorgan Chase & Co | 220,724 | $1.35M | 0.00% | +199,616+945.7% | Added |
| Franklin Resources Inc | 215,391 | $1.38M | 0.00% | +32,685+17.9% | Added |
| Federated Hermes, Inc. | 237,715 | $1.52M | 0.00% | −142−0.1% | Reduced |
| Russell Investments Group, Ltd. | 251,653 | $1.61M | 0.00% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 251,683 | $1.61M | 0.00% | +251,683 | New |
| Prudential Financial Inc | 253,039 | $1.62M | 0.00% | −33,470−11.7% | Reduced |
| State Board of Administration of Florida Retirement System | 272,890 | $1.74M | 0.00% | +245,555+898.3% | Added |
| Bank of New York Mellon Corp | 347,881 | $2.22M | 0.00% | −4,000−1.1% | Reduced |
| Globeflex Capital L P | 349,651 | $2.23M | 0.34% | −102,955−22.7% | Reduced |
| D. E. Shaw & Co., Inc. | 351,235 | $2.24M | 0.00% | −27,061−7.2% | Reduced |
| Morgan Stanley | 359,742 | $2.30M | 0.00% | +32,968+10.1% | Added |
| SEI Investments Co | 508,182 | $3.25M | 0.00% | +78,257+18.2% | Added |
| UBS Group AG | 534,227 | $3.41M | 0.00% | +406,915+319.6% | Added |
| Arrowstreet Capital, Limited Partnership | 538,155 | $3.44M | 0.00% | −9,698−1.8% | Reduced |
| Northern Trust Corp | 641,753 | $4.10M | 0.00% | +25,556+4.1% | Added |
| Goldman Sachs Group Inc | 669,719 | $4.28M | 0.00% | −124,243−15.6% | Reduced |
| Ritholtz Wealth Management | 774,308 | $4.95M | 0.09% | +80,307+11.6% | Added |
| Bridgeway Capital Management, LLC | 775,341 | $4.95M | 0.10% | +1,856+0.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 782,798 | $5.00M | 0.01% | −92,503−10.6% | Reduced |
| AQR Capital Management LLC | 800,194 | $5.11M | 0.00% | +133,589+20.0% | Added |
| Kennedy Capital Management, Inc. | 889,601 | $5.68M | 0.12% | +21,286+2.5% | Added |
| State Street Corp | 917,590 | $5.86M | 0.00% | +40,513+4.6% | Added |
| Geode Capital Management, LLC | 1,017,342 | $6.50M | 0.00% | +22,997+2.3% | Added |
| O'Shaughnessy Asset Management, LLC | 1,138,169 | $7.27M | 0.04% | +17,840+1.6% | Added |
| LSV Asset Management | 1,182,868 | $7.56M | 0.02% | +778,066+192.2% | Added |
| Dimensional Fund Advisors LP | 1,436,106 | $9.17M | 0.00% | +96,503+7.2% | Added |
| Millennium Management LLC | 1,477,519 | $9.44M | 0.01% | +1,460,905+8,793.2% | Added |
| Vanguard Portfolio Management LLC | 1,734,649 | $11.1M | 0.00% | +1,734,649 | New |
| Vanguard Capital Management LLC | 1,817,681 | $11.6M | 0.00% | +1,817,681 | New |
| American Century Companies Inc | 1,916,346 | $12.2M | 0.01% | +266,209+16.1% | Added |
| Renaissance Technologies LLC | 1,942,413 | $12.4M | 0.02% | −181,400−8.5% | Reduced |
| Acadian Asset Management LLC | 2,041,759 | $13.0M | 0.02% | +16,936+0.8% | Added |
| BlackRock, Inc. | 3,598,952 | $23.0M | 0.00% | −43,636−1.2% | Reduced |
| Acorn Capital Advisors, LLC | 4,131,299 | $26.4M | 7.50% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −160,973−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −148,132−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −111,520−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −71,100−100.0% | Sold out |
| Verdad Advisers, LP | 0 | $0 | 0.00% | −55,542−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −36,362−100.0% | Sold out |
| Heron Bay Capital Management | 0 | $0 | 0.00% | −20,056−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −18,900−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −16,592−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −15,976−100.0% | Sold out |
| Causeway Capital Management LLC | 0 | $0 | 0.00% | −13,310−100.0% | Sold out |
| PFG Investments, LLC | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −11,914−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −10,062−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,353−100.0% | Sold out |
| DecisionPoint Financial, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Brandywine Global Investment Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| GPS Wealth Strategies Group, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |