Corundum Group, Inc.
- SEC CIK
- 0001486083
- Latest filing
- Aug 7, 2026
COST holding history
Costco Wholesale Corp 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.
COST overviewAll 13F holders of COSTFull Q2 2026 holdings
- Shares (Q2 2026)
- 1,507
- Value
- $1.41M
- % of portfolio
- 0.4%
- Quarters held
- 19
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,507 | $1.41M | 0.4% | +28+1.9% | Added | Holders |
| Q1 2026 | 1,479 | $1.47M | 0.5% | −117−7.3% | Reduced | Holders |
| Q4 2025 | 1,596 | $1.38M | 0.5% | +251+18.7% | Added | Holders |
| Q3 2025 | 1,345 | $1.24M | 0.5% | −26−1.9% | Reduced | Holders |
| Q2 2025 | 1,371 | $1.36M | 0.6% | +6+0.4% | Added | Holders |
| Q1 2025 | 1,365 | $1.29M | 0.6% | −629−31.5% | Reduced | Holders |
| Q4 2024 | 1,994 | $1.83M | 0.7% | +627+45.9% | Added | Holders |
| Q3 2024 | 1,367 | $1.21M | 0.6% | −689−33.5% | Reduced | Holders |
| Q2 2024 | 2,056 | $1.75M | 0.7% | +607+41.9% | Added | Holders |
| Q1 2024 | 1,449 | $1.06M | 0.5% | −48−3.2% | Reduced | Holders |
| Q4 2023 | 1,497 | $988.1K | 0.5% | +35+2.4% | Added | Holders |
| Q3 2023 | 1,462 | $826.0K | 0.5% | +276+23.3% | Added | Holders |
| Q2 2023 | 1,186 | $638.5K | 0.3% | −1,013−46.1% | Reduced | Holders |
| Q1 2023 | 2,199 | $1.09M | 0.5% | +630+40.2% | Added | Holders |
| Q4 2022 | 1,569 | $716.0K | 0.4% | +933+146.7% | Added | Holders |
| Q3 2022 | 636 | $300.0K | 0.2% | +10+1.6% | Added | Holders |
| Q2 2022 | 626 | $300.0K | 0.2% | −1,084−63.4% | Reduced | Holders |
| Q1 2022 | 1,710 | $985.0K | 0.9% | +1,181+223.3% | Added | Holders |
| Q4 2021 | 529 | $300.0K | 0.2% | +529 | New | Holders |