D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
ABOS holding history
Acumen Pharmaceuticals, 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.
ABOS overviewAll 13F holders of ABOSFull Q2 2026 holdings
- Shares (Q3 2024)
- 0
- Sold out in Q3 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2024 | 0 | $0 | 0.0% | −55,007−100.0% | Sold out | Holders |
| Q2 2024 | 55,007 | $133.1K | <0.1% | +55,007 | New | Holders |
| Q1 2024 | 0 | $0 | 0.0% | −138,029−100.0% | Sold out | Holders |
| Q4 2023 | 138,029 | $530.0K | <0.1% | +138,029 | New | Holders |
| Q3 2023 | 0 | $0 | 0.0% | −60,504−100.0% | Sold out | Holders |
| Q2 2023 | 60,504 | $291.0K | <0.1% | −99,704−62.2% | Reduced | Holders |
| Q1 2023 | 160,208 | $650.4K | <0.1% | −81,633−33.8% | Reduced | Holders |
| Q4 2022 | 241,841 | $1.31M | <0.1% | +77,199+46.9% | Added | Holders |
| Q3 2022 | 164,642 | $1.65M | <0.1% | +146,065+786.3% | Added | Holders |
| Q2 2022 | 18,577 | $87.0K | <0.1% | −29,599−61.4% | Reduced | Holders |
| Q1 2022 | 48,176 | $188.0K | <0.1% | +21,009+77.3% | Added | Holders |
| Q4 2021 | 27,167 | $184.0K | <0.1% | +8,853+48.3% | Added | Holders |
| Q3 2021 | 18,314 | $272.0K | <0.1% | +18,314 | New | Holders |