Corundum Group, Inc.
- SEC CIK
- 0001486083
- Latest filing
- Aug 7, 2026
T holding history
AT&T Inc. in every 13F filed by Corundum Group, Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
T overviewAll 13F holders of TFull Q2 2026 holdings
- Shares (Q4 2022)
- 0
- Sold out in Q4 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 5
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2022 | 0 | $0 | 0.0% | −10,097−100.0% | Sold out | Holders |
| Q3 2022 | 10,097 | $155.0K | 0.1% | +10,097 | New | Holders |
| Q1 2022 | 0 | $0 | 0.0% | −10,612−100.0% | Sold out | Holders |
| Q4 2021 | 10,612 | $261.0K | 0.2% | −7,227−40.5% | Reduced | Holders |
| Q3 2021 | 17,839 | $482.0K | 0.4% | +1,920+12.1% | Added | Holders |
| Q2 2021 | 15,919 | $458.0K | 0.3% | +1,166+7.9% | Added | Holders |
| Q1 2021 | 14,753 | $447.0K | 0.3% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.