D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
RARE holding history
Ultragenyx Pharmaceutical 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.
RARE overviewAll 13F holders of RAREFull Q2 2026 holdings
- Shares (Q2 2026)
- 1,730,193
- Value
- $57.8M
- % of portfolio
- <0.1%
- Quarters held
- 20
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,730,193 | $57.8M | <0.1% | +469,175+37.2% | Added | Holders |
| Q1 2026 | 1,261,018 | $26.4M | <0.1% | +916,255+265.8% | Added | Holders |
| Q4 2025 | 344,763 | $7.93M | <0.1% | +107,123+45.1% | Added | Holders |
| Q3 2025 | 237,640 | $7.15M | <0.1% | −303,161−56.1% | Reduced | Holders |
| Q2 2025 | 540,801 | $19.7M | <0.1% | −15,616−2.8% | Reduced | Holders |
| Q1 2025 | 556,417 | $20.1M | <0.1% | +270,338+94.5% | Added | Holders |
| Q4 2024 | 286,079 | $12.0M | <0.1% | +24,485+9.4% | Added | Holders |
| Q3 2024 | 261,594 | $14.5M | <0.1% | +58,152+28.6% | Added | Holders |
| Q2 2024 | 203,442 | $8.36M | <0.1% | +203,442 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −6,152−100.0% | Sold out | Holders |
| Q3 2023 | 6,152 | $219.3K | <0.1% | −88,777−93.5% | Reduced | Holders |
| Q2 2023 | 94,929 | $4.38M | <0.1% | −25,959−21.5% | Reduced | Holders |
| Q1 2023 | 120,888 | $4.85M | <0.1% | −169,107−58.3% | Reduced | Holders |
| Q4 2022 | 289,995 | $13.4M | <0.1% | −182,359−38.6% | Reduced | Holders |
| Q3 2022 | 472,354 | $19.6M | <0.1% | +112,837+31.4% | Added | Holders |
| Q2 2022 | 359,517 | $21.4M | <0.1% | −124,821−25.8% | Reduced | Holders |
| Q1 2022 | 484,338 | $35.2M | <0.1% | −62,253−11.4% | Reduced | Holders |
| Q4 2021 | 546,591 | $46.0M | 0.1% | +70,884+14.9% | Added | Holders |
| Q3 2021 | 475,707 | $42.9M | 0.1% | −290,390−37.9% | Reduced | Holders |
| Q2 2021 | 766,097 | $73.0M | 0.1% | +14,929+2.0% | Added | Holders |
| Q1 2021 | 751,168 | $85.5M | 0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.