GLW fund manager activity
Corning Incorporated · NYSE. Reported by 20 tracked fund managers in their 13F filings, Q3 2012 to Q2 2026.
Q2 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| David Tepper - Appaloosa Management | Sold out | — | — | 0.00% | Aug 14, 2026 |
| Steven Check - Check Capital Management | No change | 5,050 | $1,289,921 | 0.07% | Aug 5, 2026 |
| Dodge & Cox Funds | Trimmed | 34,665 | $8,854,481 | 0.00% | Aug 13, 2026 |
| Ken Fisher - Fisher Asset Management | Trimmed | 11,894 | $3,038,261 | 0.00% | Aug 4, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 71,658 | $18,303,603 | 0.04% | Aug 14, 2026 |
| Stephen Mandel - Lone Pine Capital | Trimmed | 2,728,058 | $696,827,855 | 4.26% | Aug 14, 2026 |
| Mairs & Power Funds | Trimmed | 85,447 | $21,825,727 | 0.20% | Aug 14, 2026 |
| Lee Ainslie - Maverick Capital | Trimmed | 4,774 | $1,219,423 | 0.01% | Aug 14, 2026 |
| Robert Olstein - Olstein Capital Management | Sold out | — | — | 0.00% | Jul 7, 2026 |
| Situational Awareness LP | Sold out | — | — | 0.00% | Aug 14, 2026 |
| Alex Sacerdote - Whale Rock Capital Management | Trimmed | 2,233,999 | $570,630,365 | 4.58% | Aug 14, 2026 |
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| David Tepper - Appaloosa Management | Trimmed | 1,129,500 | $153,578,115 | 2.59% | May 15, 2026 |
| Steven Check - Check Capital Management | No change | 5,050 | $686,648 | 0.04% | May 4, 2026 |
| Dodge & Cox Funds | Trimmed | 36,325 | $4,939,110 | 0.00% | May 14, 2026 |
| Ken Fisher - Fisher Asset Management | Added | 14,748 | $2,005,443 | 0.00% | May 5, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 53,224 | $7,236,867 | 0.02% | May 15, 2026 |
| Stephen Mandel - Lone Pine Capital | New | 3,718,147 | $505,556,448 | 4.03% | May 15, 2026 |
| Mairs & Power Funds | Trimmed | 88,250 | $11,999,353 | 0.12% | May 14, 2026 |
| Lee Ainslie - Maverick Capital | New | 374,507 | $50,921,717 | 0.59% | May 15, 2026 |
| Robert Olstein - Olstein Capital Management | Trimmed | 5,000 | $680 | 0.15% | Apr 21, 2026 |
| Situational Awareness LP | New | 5,283 | $718,330 | 0.02% | May 18, 2026 |
| Alex Sacerdote - Whale Rock Capital Management | Trimmed | 2,297,424 | $312,380,741 | 4.03% | May 15, 2026 |