GLW fund manager activity
Corning Incorporated · NYSE. Reported by 20 tracked fund managers in their 13F filings, Q3 2012 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| David Tepper - Appaloosa Management | Trimmed | 1,570,200 | $137,486,712 | 2.01% | Feb 17, 2026 |
| Steven Check - Check Capital Management | No change | 5,050 | $442,178 | 0.03% | Feb 6, 2026 |
| Dodge & Cox Funds | Trimmed | 36,850 | $3,226,586 | 0.00% | Feb 13, 2026 |
| Ken Fisher - Fisher Asset Management | Added | 12,763 | $1,117,578 | 0.00% | Feb 9, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 40,316 | $3,530,069 | 0.01% | Feb 17, 2026 |
| Mairs & Power Funds | Trimmed | 90,350 | $7,911,046 | 0.08% | Feb 17, 2026 |
| Robert Olstein - Olstein Capital Management | Trimmed | 30,000 | $2,627 | 0.54% | Feb 3, 2026 |
| Alex Sacerdote - Whale Rock Capital Management | Added | 2,669,780 | $233,765,937 | 2.99% | Feb 17, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| David Tepper - Appaloosa Management | Trimmed | 1,625,000 | $133,298,750 | 1.81% | Nov 13, 2025 |
| Steven Check - Check Capital Management | No change | 5,050 | $414,251 | 0.03% | Nov 6, 2025 |
| Dodge & Cox Funds | No change | 39,900 | $3,272,997 | 0.00% | Nov 13, 2025 |
| Stanley Druckenmiller - Duquesne Family Office | Sold out | — | — | 0.00% | Nov 14, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 11,933 | $978,919 | 0.00% | Nov 12, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 25,458 | $2,088,320 | 0.01% | Nov 14, 2025 |
| Mairs & Power Funds | Trimmed | 92,626 | $7,598,111 | 0.07% | Nov 14, 2025 |
| Robert Olstein - Olstein Capital Management | Trimmed | 45,500 | $3,732 | 0.70% | Oct 21, 2025 |
| Alex Sacerdote - Whale Rock Capital Management | Added | 2,622,286 | $215,106,121 | 2.53% | Nov 14, 2025 |
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