Magnetar Financial LLC
- SEC CIK
- 0001352851
- Latest filing
- Aug 14, 2026
AMT holding history
American Tower Corp in every 13F filed by Magnetar Financial LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMT overviewAll 13F holders of AMTFull Q2 2026 holdings
- Shares (Q2 2026)
- 4,305
- Value
- $704.2K
- % of portfolio
- <0.1%
- Quarters held
- 5
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 4,305 | $704.2K | <0.1% | +4,305 | New | Holders |
| Q4 2025 | 0 | $0 | 0.0% | −3,344−100.0% | Sold out | Holders |
| Q3 2025 | 3,344 | $643.1K | <0.1% | +3,344 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −19,509−100.0% | Sold out | Holders |
| Q3 2023 | 19,509 | $3.21M | 0.1% | +19,509 | New | Holders |
| Q1 2022 | 0 | $0 | 0.0% | −1,422−100.0% | Sold out | Holders |
| Q4 2021 | 1,422 | $416.0K | <0.1% | −1,886−57.0% | Reduced | Holders |
| Q3 2021 | 3,308 | $878.0K | <0.1% | +3,308 | New | Holders |