D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
ALEC holding history
Alector, 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.
ALEC overviewAll 13F holders of ALECFull Q2 2026 holdings
- Shares (Q2 2026)
- 2,959,983
- Value
- $5.95M
- % of portfolio
- <0.1%
- Quarters held
- 15
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 2,959,983 | $5.95M | <0.1% | −372,852−11.2% | Reduced | Holders |
| Q1 2026 | 3,332,835 | $7.17M | <0.1% | +967,684+40.9% | Added | Holders |
| Q4 2025 | 2,365,151 | $3.69M | <0.1% | +1,386,947+141.8% | Added | Holders |
| Q3 2025 | 978,204 | $2.90M | <0.1% | +444,004+83.1% | Added | Holders |
| Q2 2025 | 534,200 | $747.9K | <0.1% | +64,899+13.8% | Added | Holders |
| Q1 2025 | 469,301 | $577.2K | <0.1% | +100,324+27.2% | Added | Holders |
| Q4 2024 | 368,977 | $697.4K | <0.1% | +177,985+93.2% | Added | Holders |
| Q3 2024 | 190,992 | $890.0K | <0.1% | −161,251−45.8% | Reduced | Holders |
| Q2 2024 | 352,243 | $1.60M | <0.1% | +22,618+6.9% | Added | Holders |
| Q1 2024 | 329,625 | $1.98M | <0.1% | +145,478+79.0% | Added | Holders |
| Q4 2023 | 184,147 | $1.47M | <0.1% | +65,129+54.7% | Added | Holders |
| Q3 2023 | 119,018 | $771.2K | <0.1% | +100,823+554.1% | Added | Holders |
| Q2 2023 | 18,195 | $109.4K | <0.1% | +18,195 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −38,548−100.0% | Sold out | Holders |
| Q3 2021 | 38,548 | $880.0K | <0.1% | +471+1.2% | Added | Holders |
| Q2 2021 | 38,077 | $793.0K | <0.1% | +38,077 | New | Holders |