Mainstream Capital Management LLC
- SEC CIK
- 0002043084
- Latest filing
- Jul 15, 2026
GLW holding history
Corning Inc in every 13F filed by Mainstream Capital Management LLC, 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)
- 14,289
- Value
- $3.65M
- % of portfolio
- 2.2%
- Quarters held
- 4
- Since Q4 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 14,289 | $3.65M | 2.2% | +108+0.8% | Added | Holders |
| Q1 2026 | 14,181 | $1.93M | 1.3% | +24+0.2% | Added | Holders |
| Q4 2025 | 14,157 | $1.24M | 0.8% | +14,157 | New | Holders |
| Q1 2025 | 0 | $0 | 0.0% | −742−100.0% | Sold out | Holders |
| Q4 2024 | 742 | $35.3K | <0.1% | +742 | New | Holders |