PUMA BIOTECHNOLOGY INC (PBYI): Institutional Ownership
Hedge funds and institutional managers reporting a position in PBYI · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
9
13F filers
Aggregate Value
$14.2M
Across holders
Last Price
$8.11
2026-06-26
Sector
Health Care
GICS
Holder activity4 new2 added3 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.94M | $12.4M | 87.2% | 0.0% | Reduced | $-1.2M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 112K | $664K | 4.7% | 0.0% | New | — | Q4 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 47K | $303K | 2.1% | 0.0% | Added | +$326 | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 50K | $264K | 1.9% | 0.0% | New | — | Q1 2024 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 30K | $191K | 1.3% | 0.0% | Added | +$97K | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 33K | $173K | 1.2% | 0.0% | New | — | Q1 2024 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 25K | $135K | 1.0% | 0.0% | New | — | Q3 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 13K | $83K | 0.6% | 0.0% | Reduced | $-954K | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1 | $6 | 0.0% | 0.0% | Reduced | $-14K | Q1 2026 |
Reduced
Hedge Fund
$12.4M· 87.2% of total· 0.0% port· 1.94M sh· $-1.2M QoQ· Q1 2026
New
Hedge Fund
$664K· 4.7% of total· 0.0% port· 112K sh· — QoQ· Q4 2025
Added
Hedge Fund
$303K· 2.1% of total· 0.0% port· 47K sh· +$326 QoQ· Q1 2026
New
Hedge Fund
$264K· 1.9% of total· 0.0% port· 50K sh· — QoQ· Q1 2024
Added
Hedge Fund
$191K· 1.3% of total· 0.0% port· 30K sh· +$97K QoQ· Q1 2026
New
Hedge Fund
$173K· 1.2% of total· 0.0% port· 33K sh· — QoQ· Q1 2024
New
Hedge Fund
$135K· 1.0% of total· 0.0% port· 25K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$83K· 0.6% of total· 0.0% port· 13K sh· $-954K QoQ· Q1 2026
Reduced
Hedge Fund
$6· 0.0% of total· 0.0% port· 1 sh· $-14K QoQ· Q1 2026