D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
PBYI holding history
Puma Biotechnology, Inc. in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
PBYI overviewAll 13F holders of PBYIFull Q2 2026 holdings
- Shares (Q2 2026)
- 316,343
- Value
- $2.57M
- % of portfolio
- <0.1%
- Quarters held
- 16
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 316,343 | $2.57M | <0.1% | −34,892−9.9% | Reduced | Holders |
| Q1 2026 | 351,235 | $2.24M | <0.1% | −27,061−7.2% | Reduced | Holders |
| Q4 2025 | 378,296 | $2.25M | <0.1% | −120,302−24.1% | Reduced | Holders |
| Q3 2025 | 498,598 | $2.65M | <0.1% | −142,182−22.2% | Reduced | Holders |
| Q2 2025 | 640,780 | $2.20M | <0.1% | +69,115+12.1% | Added | Holders |
| Q1 2025 | 571,665 | $1.69M | <0.1% | +349,057+156.8% | Added | Holders |
| Q4 2024 | 222,608 | $679.0K | <0.1% | +165,220+287.9% | Added | Holders |
| Q3 2024 | 57,388 | $146.3K | <0.1% | +57,388 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −132,184−100.0% | Sold out | Holders |
| Q4 2022 | 132,184 | $559.1K | <0.1% | −406,360−75.5% | Reduced | Holders |
| Q3 2022 | 538,544 | $1.28M | <0.1% | −421,528−43.9% | Reduced | Holders |
| Q2 2022 | 960,072 | $2.74M | <0.1% | −45,911−4.6% | Reduced | Holders |
| Q1 2022 | 1,005,983 | $2.90M | <0.1% | +270,021+36.7% | Added | Holders |
| Q4 2021 | 735,962 | $2.24M | <0.1% | +685,690+1,364.0% | Added | Holders |
| Q3 2021 | 50,272 | $352.0K | <0.1% | −61,234−54.9% | Reduced | Holders |
| Q2 2021 | 111,506 | $1.02M | <0.1% | +31,310+39.0% | Added | Holders |
| Q1 2021 | 80,196 | $780.0K | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.