Check Capital Management Inc
- SEC CIK
- 0001032814
- Latest filing
- Aug 5, 2026
GLW holding history
Corning Inc in every 13F filed by Check Capital Management Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
GLW overviewAll 13F holders of GLWFull Q2 2026 holdings
- Shares (Q2 2026)
- 5,050
- Value
- $1.29M
- % of portfolio
- 0.1%
- Quarters held
- 10
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 5,050 | $1.29M | 0.1% | 00.0% | Unchanged | Holders |
| Q1 2026 | 5,050 | $686.6K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2025 | 5,050 | $442.2K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2025 | 5,050 | $414.3K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2025 | 5,050 | $265.6K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 5,050 | $231.2K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2024 | 5,050 | $240.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2024 | 5,050 | $228.0K | <0.1% | +5,050 | New | Holders |
| Q3 2021 | 0 | $0 | 0.0% | −5,100−100.0% | Sold out | Holders |
| Q2 2021 | 5,100 | $209.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2021 | 5,100 | $222.0K | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.