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 |
|---|---|---|---|---|---|
| Acorn Capital Advisors, LLC | 4,131,299 | $26.4M | 7.50% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,598,952 | $23.0M | 0.00% | −43,636−1.2% | Reduced |
| Acadian Asset Management LLC | 2,041,759 | $13.0M | 0.02% | +16,936+0.8% | Added |
| Renaissance Technologies LLC | 1,942,413 | $12.4M | 0.02% | −181,400−8.5% | Reduced |
| American Century Companies Inc | 1,916,346 | $12.2M | 0.01% | +266,209+16.1% | Added |
| Vanguard Capital Management LLC | 1,817,681 | $11.6M | 0.00% | +1,817,681 | New |
| Vanguard Portfolio Management LLC | 1,734,649 | $11.1M | 0.00% | +1,734,649 | New |
| Millennium Management LLC | 1,477,519 | $9.44M | 0.01% | +1,460,905+8,793.2% | Added |
| Dimensional Fund Advisors LP | 1,436,106 | $9.17M | 0.00% | +96,503+7.2% | Added |
| LSV Asset Management | 1,182,868 | $7.56M | 0.02% | +778,066+192.2% | Added |
| O'Shaughnessy Asset Management, LLC | 1,138,169 | $7.27M | 0.04% | +17,840+1.6% | Added |
| Geode Capital Management, LLC | 1,017,342 | $6.50M | 0.00% | +22,997+2.3% | Added |
| State Street Corp | 917,590 | $5.86M | 0.00% | +40,513+4.6% | Added |
| Kennedy Capital Management, Inc. | 889,601 | $5.68M | 0.12% | +21,286+2.5% | Added |
| AQR Capital Management LLC | 800,194 | $5.11M | 0.00% | +133,589+20.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 782,798 | $5.00M | 0.01% | −92,503−10.6% | Reduced |
| Bridgeway Capital Management, LLC | 775,341 | $4.95M | 0.10% | +1,856+0.2% | Added |
| Ritholtz Wealth Management | 774,308 | $4.95M | 0.09% | +80,307+11.6% | Added |
| Goldman Sachs Group Inc | 669,719 | $4.28M | 0.00% | −124,243−15.6% | Reduced |
| Northern Trust Corp | 641,753 | $4.10M | 0.00% | +25,556+4.1% | Added |
| Arrowstreet Capital, Limited Partnership | 538,155 | $3.44M | 0.00% | −9,698−1.8% | Reduced |
| UBS Group AG | 534,227 | $3.41M | 0.00% | +406,915+319.6% | Added |
| SEI Investments Co | 508,182 | $3.25M | 0.00% | +78,257+18.2% | Added |
| Morgan Stanley | 359,742 | $2.30M | 0.00% | +32,968+10.1% | Added |
| D. E. Shaw & Co., Inc. | 351,235 | $2.24M | 0.00% | −27,061−7.2% | Reduced |
| Globeflex Capital L P | 349,651 | $2.23M | 0.34% | −102,955−22.7% | Reduced |
| Bank of New York Mellon Corp | 347,881 | $2.22M | 0.00% | −4,000−1.1% | Reduced |
| State Board of Administration of Florida Retirement System | 272,890 | $1.74M | 0.00% | +245,555+898.3% | Added |
| Prudential Financial Inc | 253,039 | $1.62M | 0.00% | −33,470−11.7% | Reduced |
| Vanguard Fiduciary Trust Co | 251,683 | $1.61M | 0.00% | +251,683 | New |
| Russell Investments Group, Ltd. | 251,653 | $1.61M | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 237,715 | $1.52M | 0.00% | −142−0.1% | Reduced |
| Franklin Resources Inc | 215,391 | $1.38M | 0.00% | +32,685+17.9% | Added |
| JPMorgan Chase & Co | 220,724 | $1.35M | 0.00% | +199,616+945.7% | Added |
| State of Wisconsin Investment Board | 208,618 | $1.33M | 0.00% | +74,844+55.9% | Added |
| Empowered Funds, LLC | 204,041 | $1.30M | 0.01% | +17,856+9.6% | Added |
| Panagora Asset Management Inc | 194,887 | $1.25M | 0.00% | 00.0% | Unchanged |
| FMR LLC | 191,833 | $1.23M | 0.00% | +27,963+17.1% | Added |
| Prospera Financial Services Inc | 173,051 | $1.11M | 0.02% | −12,445−6.7% | Reduced |
| Haven Private, LLC | 155,260 | $992.1K | 0.43% | +63,177+68.6% | Added |
| Round Rock Advisors, LLC | 128,912 | $823.7K | 0.13% | +23,870+22.7% | Added |
| First Trust Advisors LP | 123,513 | $789.2K | 0.00% | +713+0.6% | Added |
| Charles Schwab Investment Management Inc | 115,915 | $740.7K | 0.00% | −9,457−7.5% | Reduced |
| Evergreen Capital Management LLC | 96,000 | $613.4K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 95,044 | $607.3K | 0.00% | −13,257−12.2% | Reduced |
| STRS Ohio | 91,500 | $584.7K | 0.00% | −7,900−7.9% | Reduced |
| OpenArc Corporate Advisory, LLC | 89,491 | $571.8K | 0.01% | +130+0.1% | Added |
| Nuveen, LLC | 79,101 | $505.5K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 75,808 | $484.4K | 0.06% | +22,653+42.6% | Added |
| Winton Group Ltd | 66,333 | $423.9K | 0.01% | −30,826−31.7% | Reduced |
| Nomura Asset Management International Inc. | 61,255 | $391.0K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 53,464 | $341.6K | 0.10% | +18,075+51.1% | Added |
| Rhumbline Advisers | 53,036 | $338.9K | 0.00% | −859−1.6% | Reduced |
| D'Orazio & Associates, Inc. | 49,915 | $319.0K | 0.04% | +108+0.2% | Added |
| Man Group plc | 47,375 | $302.7K | 0.00% | +51+0.1% | Added |
| Bank of America Corp | 40,364 | $257.9K | 0.00% | −12,021−22.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 39,308 | $251.2K | 0.00% | 00.0% | Unchanged |
| Baron Wealth Management LLC | 38,278 | $244.6K | 0.07% | +2,886+8.2% | Added |
| Vise Technologies, Inc. | 40,298 | $239.8K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 36,618 | $234.0K | 0.00% | −3,824−9.5% | Reduced |
| Deutsche Bank AG | 33,145 | $211.8K | 0.00% | +33,145 | New |
| Price T Rowe Associates Inc | 31,306 | $201.0K | 0.00% | +5,370+20.7% | Added |
| Citadel Advisors LLC | 29,959 | $191.4K | 0.00% | −132,711−81.6% | Reduced |
| Kathmere Capital Management, LLC | 29,779 | $190.3K | 0.01% | +2,648+9.8% | Added |
| Virtus ETF Advisers LLC | 29,347 | $187.5K | 0.09% | −17,825−37.8% | Reduced |
| Vanguard Global Advisers, LLC | 29,173 | $186.4K | 0.00% | +29,173 | New |
| Engineers Gate Manager LP | 28,600 | $182.8K | 0.00% | +9,814+52.2% | Added |
| Envestnet Asset Management Inc | 26,558 | $169.7K | 0.00% | +26,558 | New |
| CAPROCK Group, Inc. | 25,989 | $166.1K | 0.00% | +9,541+58.0% | Added |
| Metis Global Partners, LLC | 25,264 | $161.4K | 0.00% | −17,322−40.7% | Reduced |
| C2C Wealth Management, LLC | 23,620 | $150.9K | 0.13% | +600+2.6% | Added |
| Creative Planning | 23,113 | $147.7K | 0.00% | +23,113 | New |
| Canada Pension Plan Investment Board | 22,800 | $145.7K | 0.00% | −52,400−69.7% | Reduced |
| One Wealth Advisors, LLC | 21,079 | $134.7K | 0.02% | +1,690+8.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 20,635 | $131.9K | 0.00% | +476+2.4% | Added |
| Prelude Capital Management, LLC | 18,448 | $117.9K | 0.01% | −13,700−42.6% | Reduced |
| Bailard, Inc. | 18,100 | $115.7K | 0.00% | +18,100 | New |
| Lazard Asset Management LLC | 17,970 | $114.8K | 0.00% | −41,605−69.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 17,066 | $109.1K | 0.00% | +17,066 | New |
| Quadrature Capital Ltd | 16,745 | $107.0K | 0.00% | +16,745 | New |
| Wells Fargo & Company | 16,273 | $104.0K | 0.00% | −32,008−66.3% | Reduced |
| Susquehanna International Group, LLP | 16,089 | $102.8K | 0.00% | +16,089 | New |
| MetLife Investment Management | 15,842 | $101.2K | 0.00% | −8,570−35.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,719 | $100.4K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 15,263 | $97.5K | 0.00% | +2,450+19.1% | Added |
| XTX Topco Ltd | 15,116 | $96.6K | 0.00% | +15,116 | New |
| Ieq Capital, LLC | 14,901 | $95.2K | 0.00% | +3,406+29.6% | Added |
| Mariner, LLC | 14,649 | $93.6K | 0.00% | +14,649 | New |
| Barclays PLC | 13,988 | $89.4K | 0.00% | −67,446−82.8% | Reduced |
| Ashton Thomas Private Wealth, LLC | 13,500 | $86.3K | 0.00% | +13,500 | New |
| Cerity Partners LLC | 13,013 | $83.2K | 0.00% | +941+7.8% | Added |
| Two Sigma Investments, LP | 13,000 | $83.1K | 0.00% | −149,351−92.0% | Reduced |
| HRT Financial LP | 13,073 | $83.0K | 0.00% | +13,073 | New |
| Tocqueville Asset Management L.P. | 12,960 | $82.8K | 0.00% | +12,960 | New |
| Alliancebernstein L.P. | 13,800 | $82.1K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 11,635 | $80.3K | 0.00% | +1,491+14.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 12,563 | $80.0K | 0.00% | −46,754−78.8% | Reduced |
| Perkins Capital Management Inc | 12,500 | $79.9K | 0.07% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 11,765 | $75.2K | 0.00% | −1,662−12.4% | Reduced |
| Advisor Group Holdings, Inc. | 11,669 | $74.6K | 0.00% | −500−4.1% | Reduced |