Puma Biotechnology, Inc. (PBYI) ownership: Top institutional holder: ACORN CAPITAL ADVISORS, LLC ($26.40M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| ACORN CAPITAL ADVISORS, LLC | 4131299.00 | $26.40M | 2026-03-31 |
| BlackRock Fund Advisors | 842478.00 | $25.86M | 2016-12-31 |
| BlackRock, Inc. | 3598952.00 | $23.00M | 2026-03-31 |
| VANGUARD GROUP INC | 3797748.00 | $22.60M | 2025-12-31 |
| ACADIAN ASSET MANAGEMENT LLC | 2041759.00 | $13.04M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 1942413.00 | $12.41M | 2026-03-31 |
| AMERICAN CENTURY COMPANIES INC | 1916346.00 | $12.25M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1817681.00 | $11.61M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.