Puma BiotechnologyPBYI
13F holders, Q2 2026 (June 30)160holders +3
20new positions
15sold out
4famous investors
$8.11avg. 13F price*
At the end of Q2 2026, 160 institutions reported holding Puma Biotechnology Inc. (PBYI) in their 13F filings, up 3 from Q1 2026. 20 opened new positions and 15 sold out. The largest holders were Acorn Capital Advisors, LLC ($33.5M), BlackRock, Inc. ($30.9M) and American Century Companies Inc. ($18.8M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Puma Biotechnology Inc.
- CUSIP
- 74587V107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $2.6M |
| Exits | 15 | $1.2M |
All 13F filers, Q1 2026 → Q2 2026: 2,831,750 shares bought and 1,998,216 shares sold, net +833,534 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 160 holders
| Acorn Capital Advisors, LLC | 9.14% | No change | 4,131,299 | $33.5M |
| BlackRock, Inc. | 0.00% | Add +5.7% | 3,804,736 | $30.9M |
| American Century Companies Inc. | 0.01% | Add +21.1% | 2,319,996 | $18.8M |
| Acadian Asset Management LLC | 0.02% | Add +0.6% | 2,053,523 | $16.6M |
| Renaissance Technologies | 0.02% | Reduce -5.5% | 1,836,213 | $14.9M |
| Vanguard Capital Management LLC | 0.00% | Add +1.0% | 1,835,643 | $14.9M |
| Vanguard Portfolio Management LLC | 0.00% | Add +5.2% | 1,825,599 | $14.8M |
| LSV Asset Management | 0.02% | Add +36.8% | 1,617,981 | $13.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +5.7% | 1,518,014 | $12.3M |
| Geode Capital Management, LLC | 0.00% | Add +31.7% | 1,339,405 | $10.9M |
| O'shaughnessy Asset Management, LLC | 0.04% | Reduce -1.3% | 1,123,783 | $9.1M |
| State Street Corp. | 0.00% | Add +3.8% | 952,165 | $7.7M |
| Kennedy Capital Management LLC | 0.13% | Reduce -1.8% | 873,253 | $7.1M |
| Bridgeway Capital Management, LLC | 0.11% | Add +2.1% | 791,616 | $6.4M |
| Ritholtz Wealth Management | 0.09% | Reduce -3.2% | 749,798 | $6.1M |
| AQR Capital Management | 0.00% | Reduce -9.4% | 725,192 | $5.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -0.1% | 669,156 | $5.4M |
| Northern Trust Corp. | 0.00% | Add +1.7% | 652,386 | $5.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -17.9% | 642,946 | $5.2M |
| UBS Group AG | 0.00% | Add +19.2% | 636,761 | $5.2M |
| Millennium Management | 0.00% | Reduce -59.2% | 602,240 | $4.9M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -1.1% | 532,450 | $4.3M |
| Sei Investments Co. | 0.00% | Reduce -17.6% | 418,669 | $3.4M |
| Globeflex Capital L P | 0.40% | Add +9.5% | 382,807 | $3.1M |
| Bank of New York Mellon Corp | 0.00% | Add +3.7% | 360,734 | $2.9M |
| D. E. Shaw & Co. | 0.00% | Reduce -9.9% | 316,343 | $2.6M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +13.3% | 309,106 | $2.5M |
| Invesco Ltd. | 0.00% | Add +216.7% | 301,002 | $2.4M |
| Russell Investments Group, Ltd. | 0.00% | Add +8.2% | 272,234 | $2.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +6.9% | 269,070 | $2.2M |
| Morgan Stanley | 0.00% | Reduce -26.1% | 265,670 | $2.2M |
| Federated Hermes, Inc. | 0.00% | Add +5.5% | 250,766 | $2.0M |
| Empowered Funds, LLC | 0.01% | Add +8.0% | 220,316 | $1.8M |
| Panagora Asset Management Inc. | 0.01% | Add +11.6% | 217,545 | $1.8M |
| Prudential Financial Inc. | 0.00% | Reduce -15.6% | 213,599 | $1.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -4.3% | 211,339 | $1.7M |
| FMR LLC | 0.00% | Add +10.2% | 211,444 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Reduce -9.8% | 188,232 | $1.5M |
| Franklin Resources Inc. | 0.00% | Reduce -20.1% | 172,010 | $1.4M |
| Prospera Financial Services Inc | 0.02% | Reduce -8.3% | 158,762 | $1.3M |
| Haven Private, LLC | 0.46% | Reduce -4.4% | 148,448 | $1.2M |
| Two Sigma Investments, LP | 0.00% | Add +981.4% | 140,587 | $1.1M |
| First Trust Advisors LP | 0.00% | Add +5.4% | 130,206 | $1.1M |
| Round Rock Advisors LLC | 0.13% | No change | 128,912 | $1.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +10.6% | 128,243 | $1.0M |
| Wellington Management Group LLP | 0.00% | New | 126,091 | $1.0M |
| STRS Ohio | 0.00% | Reduce -7.5% | 84,600 | $686K |
| Nuveen, LLC | 0.00% | Add +4.0% | 82,298 | $667K |
| Evergreen Capital Management LLC | 0.01% | Reduce -23.2% | 73,731 | $598K |
| Canada Pension Plan Investment Board | 0.00% | Add +222.4% | 73,500 | $596K |
| Trexquant Investment LP | 0.00% | New | 72,223 | $586K |
| Vise Technologies, Inc. | 0.01% | Add +78.7% | 72,030 | $584K |
| Nomura Asset Management International Inc. | 0.00% | No change | 61,255 | $497K |
| OpenArc Corporate Advisory, LLC | 0.01% | Reduce -33.5% | 59,491 | $482K |
| Rhumbline Advisers | 0.00% | Add +8.4% | 57,510 | $466K |
| D'Orazio & Associates, Inc. | 0.05% | Reduce -2.5% | 48,680 | $395K |
| Vanguard Global Advisers, LLC | 0.00% | Add +58.6% | 46,267 | $375K |
| Deutsche Bank AG | 0.00% | Add +30.3% | 43,192 | $350K |
| Man Group plc | 0.00% | Reduce -12.4% | 41,506 | $337K |
| WINTON GROUP Ltd | 0.01% | Reduce -38.9% | 40,509 | $329K |
| XTX Topco Ltd | 0.00% | Add +166.6% | 40,296 | $327K |
| State of Wyoming | 0.03% | Reduce -47.5% | 39,833 | $323K |
| Wells Fargo & Company | 0.00% | Add +131.1% | 37,606 | $305K |
| EntryPoint Capital, LLC | 0.07% | Reduce -30.1% | 37,386 | $303K |
| T. Rowe Price Associates Inc. | 0.00% | Add +16.1% | 36,343 | $295K |
| Baron Wealth Management LLC | 0.08% | Reduce -5.0% | 36,372 | $295K |
| Creative Planning | 0.00% | Add +54.6% | 35,737 | $290K |
| LPL Financial LLC | 0.00% | Reduce -5.7% | 34,537 | $280K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -12.3% | 34,485 | $280K |
| Bank of America Corp. | 0.00% | Reduce -21.4% | 31,747 | $257K |
| Kathmere Capital Management, LLC | 0.01% | Add +4.7% | 31,172 | $253K |
| Envestnet Asset Management Inc. | 0.00% | Add +9.9% | 29,190 | $237K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | New | 26,222 | $213K |
| Martingale Asset Management L P | 0.00% | New | 25,364 | $206K |
| Metis Global Partners, LLC | 0.00% | No change | 25,264 | $205K |
| MetLife Investment Management, LLC | 0.00% | Add +57.0% | 24,873 | $202K |
| C2C Wealth Management, LLC | 0.15% | No change | 23,620 | $192K |
| Citigroup Inc. | 0.00% | Add +533.1% | 21,666 | $176K |
| Prelude Capital Management, LLC | 0.01% | Add +16.8% | 21,548 | $175K |
| One Wealth Advisors, LLC | 0.02% | No change | 21,079 | $171K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.2% | 20,383 | $165K |
| Bailard, Inc. | 0.00% | No change | 18,100 | $147K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +5.2% | 17,945 | $143K |
| Spark Investment Management LLC | 0.27% | New | 17,000 | $138K |
| Alliancebernstein L.P. | 0.00% | Add +54.8% | 21,360 | $136K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 15,719 | $127K |
| Susquehanna International Group, LLP | 0.00% | Reduce -3.8% | 15,476 | $126K |
| Lido Advisors, LLC | 0.00% | New | 15,045 | $122K |
| Mariner, LLC | 0.00% | Add +1.5% | 14,869 | $121K |
| Caprock Group, LLC | 0.00% | Reduce -46.7% | 13,862 | $112K |
| Perkins Capital Management Inc. | 0.08% | Add +7.2% | 13,400 | $109K |
| Tocqueville Asset Management L.P. | 0.00% | Add +2.7% | 13,312 | $108K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +13.5% | 13,203 | $106K |
| Osaic Holdings, Inc. | 0.00% | Add +4.3% | 12,169 | $99K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +2.5% | 12,056 | $98K |
| R Squared Ltd | 0.05% | New | 11,991 | $97K |
| Abel Hall, LLC | 0.02% | Add +0.4% | 11,520 | $93K |
| Barclays PLC | 0.00% | Reduce -19.9% | 11,202 | $91K |
| Ieq Capital, LLC | 0.00% | Reduce -28.4% | 10,671 | $87K |
| Cerity Partners LLC | 0.00% | Reduce -19.2% | 10,512 | $85K |
"% of holder's portfolio" is PBYI's weight in each manager's 13F, not the share of Puma Biotechnology Inc. the manager owns.