GLW
Corning Inc · Technology · Hardware, Equipment & Parts
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 2.27M | $346.66M | n/a | n/a |
| Q2 2026 | 178 | -1 | 509.40M | $129.87B | +6 | −6 |
| Q1 2026 | 181 | +2 | 475.44M | $64.43B | +5 | −4 |
| Q4 2025 | 178 | +1 | 529.86M | $46.29B | +2 | n/a |
| Q3 2025 | 25 | +1 | 320.05M | $26.24B | +2 | −2 |
| Q2 2025 | 22 | 0 | 277.93M | $14.61B | +1 | −1 |
| Q1 2025 | 19 | -2 | 127.48M | $5.83B | n/a | −2 |
| Q4 2024 | 21 | +3 | 142.99M | $6.79B | +4 | −1 |
| Q3 2024 | 17 | +1 | 115.84M | $5.23B | +2 | −1 |
| Q2 2024 | 16 | n/a | 109.93M | $4.27B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 1.18M | -3.8% | $182.05M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wealth Enhancement Advisory… | 846.71K | -0.9% | $126.83M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 3 | TD Waterhouse Canada Inc. | 235.42K | -46.1% | $37.78M | 0.1% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2,223 holders, 597.68M shares, $78.12B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 9.87K sh · $1.50M
Officer · 13.10K sh · $1.98M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology