PUMA BIOTECHNOLOGY INC PBYI
$8.26
+3.4% 52w: $3.07 – $8.26
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data3.075.668.26
Jun 20, 2025 Jul 2, 2026
Institutional holders
157
+6 QoQ
13F value
$241.8M
+15.0% QoQ
Smart-money holders
2
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
606.5×
$775K calls / $1K puts
Institutional value by quarter
Number of holders
Who owns PBYI?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| ACORN CAPITAL ADVISORS, LLC ★3 | Fundamental concentrated | 4.1M | $26.4M | 7.5% | Held |
| BlackRock, Inc. | Index provider | 3.6M | $23.0M | 0.0% | -1.2% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 2.0M | $13.0M | 0.0% | +0.8% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 1.9M | $12.4M | 0.0% | -8.5% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 1.9M | $12.2M | 0.0% | +16.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.8M | $11.6M | 0.0% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 1.7M | $11.1M | 0.0% | — |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 1.5M | $9.4M | 0.0% | +8793.2% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.4M | $9.2M | 0.0% | +7.2% |
| LSV ASSET MANAGEMENT | Other | 1.2M | $7.6M | 0.0% | +192.2% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | Diversified mechanical | 1.1M | $7.3M | 0.0% | +1.6% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.0M | $6.5M | 0.0% | +2.3% |
| STATE STREET CORP | Index provider | 917.6K | $5.9M | 0.0% | +4.6% |
| KENNEDY CAPITAL MANAGEMENT LLC | Other | 889.6K | $5.7M | 0.1% | +2.5% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 800.2K | $5.1M | 0.0% | +20.0% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 782.8K | $5.0M | 0.0% | -10.6% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Diversified mechanical | 775.3K | $5.0M | 0.1% | +0.2% |
| RITHOLTZ WEALTH MANAGEMENT | Wealth advisor | 774.3K | $4.9M | 0.1% | +11.6% |
| GOLDMAN SACHS GROUP INC | Bank broker | 669.7K | $4.3M | 0.0% | -15.6% |
| NORTHERN TRUST CORP | Index provider | 641.8K | $4.1M | 0.0% | +4.1% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 538.2K | $3.4M | 0.0% | -1.8% |
| UBS Group AG | Bank broker | 534.2K | $3.4M | 0.0% | +319.6% |
| SEI INVESTMENTS CO | Diversified mechanical | 508.2K | $3.2M | 0.0% | +18.2% |
| MORGAN STANLEY | Bank broker | 359.7K | $2.3M | 0.0% | +10.1% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 351.2K | $2.2M | 0.0% | -7.2% |
| GLOBEFLEX CAPITAL L P | Other | 349.7K | $2.2M | 0.3% | -22.7% |
| Bank of New York Mellon Corp | Diversified mechanical | 347.9K | $2.2M | 0.0% | -1.1% |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | Diversified mechanical | 272.9K | $1.7M | 0.0% | +898.3% |
| PRUDENTIAL FINANCIAL INC | Insurance | 253.0K | $1.6M | 0.0% | -11.7% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 251.7K | $1.6M | 0.0% | — |
| Russell Investments Group, Ltd. | Diversified mechanical | 251.7K | $1.6M | 0.0% | Held |
| FEDERATED HERMES, INC. | Diversified mechanical | 237.7K | $1.5M | 0.0% | -0.1% |
| FRANKLIN RESOURCES INC | Long only active | 215.4K | $1.4M | 0.0% | +17.9% |
| JPMORGAN CHASE & CO | Bank broker | 220.7K | $1.4M | 0.0% | +945.7% |
| STATE OF WISCONSIN INVESTMENT BOARD | Diversified mechanical | 208.6K | $1.3M | 0.0% | +55.9% |
| Empowered Funds, LLC | Diversified mechanical | 204.0K | $1.3M | 0.0% | +9.6% |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 194.9K | $1.2M | 0.0% | Held |
| FMR LLC | Long only active | 191.8K | $1.2M | 0.0% | +17.1% |
| Prospera Financial Services Inc | Diversified mechanical | 173.1K | $1.1M | 0.0% | -6.7% |
| Haven Private, LLC | Wealth advisor | 155.3K | $992K | 0.4% | +68.6% |
| Round Rock Advisors LLC | Wealth advisor | 128.9K | $824K | 0.1% | +22.7% |
| FIRST TRUST ADVISORS LP | Index provider | 123.5K | $789K | 0.0% | +0.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 115.9K | $741K | 0.0% | -7.5% |
| EVERGREEN CAPITAL MANAGEMENT LLC | Diversified mechanical | 96.0K | $613K | 0.0% | Held |
| Invesco Ltd. | Index provider | 95.0K | $607K | 0.0% | -12.2% |
| STRS OHIO | Diversified mechanical | 91.5K | $585K | 0.0% | -7.9% |
| OpenArc Corporate Advisory, LLC | Wealth advisor | 89.5K | $572K | 0.0% | +0.1% |
| Nuveen, LLC | Diversified mechanical | 79.1K | $505K | 0.0% | Held |
| State of Wyoming | Diversified mechanical | 75.8K | $484K | 0.1% | +42.6% |
| WINTON GROUP Ltd | Quant stat arb | 66.3K | $424K | 0.0% | -31.7% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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