Corundum Group, Inc.
- SEC CIK
- 0001486083
- Latest filing
- Aug 7, 2026
MU holding history
Micron Technology 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.
MU overviewAll 13F holders of MUFull Q2 2026 holdings
- Shares (Q2 2026)
- 1,038
- Value
- $1.20M
- % of portfolio
- 0.4%
- Quarters held
- 11
- Since Q2 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,038 | $1.20M | 0.4% | −10−1.0% | Reduced | Holders |
| Q1 2026 | 1,048 | $354.1K | 0.1% | −735−41.2% | Reduced | Holders |
| Q4 2025 | 1,783 | $508.9K | 0.2% | −96−5.1% | Reduced | Holders |
| Q3 2025 | 1,879 | $314.4K | 0.1% | −3−0.2% | Reduced | Holders |
| Q2 2025 | 1,882 | $232.0K | 0.1% | +1,882 | New | Holders |
| Q4 2024 | 0 | $0 | 0.0% | −2,709−100.0% | Sold out | Holders |
| Q3 2024 | 2,709 | $280.9K | 0.1% | −8−0.3% | Reduced | Holders |
| Q2 2024 | 2,717 | $357.4K | 0.1% | −103−3.7% | Reduced | Holders |
| Q1 2024 | 2,820 | $332.4K | 0.2% | +32+1.1% | Added | Holders |
| Q4 2023 | 2,788 | $237.9K | 0.1% | −1,332−32.3% | Reduced | Holders |
| Q3 2023 | 4,120 | $280.3K | 0.2% | +20+0.5% | Added | Holders |
| Q2 2023 | 4,100 | $258.8K | 0.1% | +4,100 | New | Holders |