GLW
Corning Inc · Technology · Hardware, Equipment & Parts
Momentum inputs (comparable managers):
holder breadth +16.7% ·
share flow -5.0% ·
net new positions +14.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| 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 | — | −2 |
| Q4 2024 | 21 | +3 | 142.99M | $6.79B | +4 | −1 |
| Q3 2024 | 17 | +1 | 115.84M | $5.23B | +2 | −1 |
| Q2 2024 | 16 | — | 109.93M | $4.27B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 34.64M | — | $1.65B | 0.1% | n/c | 1 | SEC ↗ |
| 2 | Wellington Management ✦ | 28.65M | -27.0% | $1.36B | 0.2% | ▼ Trim | 3 | SEC ↗ ×3 |
| 3 | T. Rowe Price ✦ | 27.34M | -14.4% | $1.30B | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 4 | Geode Capital Management ✦ (passive) | 18.47M | +3.0% | $875.63M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 5 | Norges Bank ✦ (passive) | 10.33M | +6.1% | $490.93M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 6 | PRIMECAP Management ✦ | 8.33M | -2.7% | $395.64M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 4.38M | +31.2% | $208.22M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 8 | Millennium Management ✦ | 2.85M | +306.4% | $135.61M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 9 | Point72 Asset Management ✦ | 1.79M | -2.8% | $85.10M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 10 | Marshall Wace ✦ | 1.63M | +80.1% | $77.30M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 11 | Appaloosa ✦ | 1.50M | New | $71.28M | 1.1% | New | 1 | SEC ↗ |
| 12 | Arrowstreet Capital ✦ | 743.79K | +278.3% | $35.34M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Adage Capital Partners ✦ | 719.92K | +10.6% | $34.21M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 440.74K | +46.1% | $20.94M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 15 | Soros Fund Management ✦ | 405.00K | New | $19.25M | 0.5% | New | 1 | SEC ↗ |
| 16 | Renaissance Technologies ✦ | 309.80K | New | $14.72M | 0.0% | New | 1 | SEC ↗ |
| 17 | GAMCO Investors ✦ | 256.71K | -3.5% | $12.20M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 18 | D. E. Shaw & Co. ✦ | 159.19K | +637.7% | $7.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Dodge & Cox ✦ | 40.45K | -4.7% | $1.92M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Fisher Asset Management ✦ | 9.34K | -7.5% | $443,942 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Gotham Asset Management ✦ | 6.45K | New | $306,456 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Appaloosa | $71.28M | 1.1% |
| Soros Fund Management | $19.25M | 0.5% |
| Renaissance Technologies | $14.72M | 0.0% |
| Gotham Asset Management | $306,456 | 0.0% |
Exited
| Bridgewater Associates | $6.94M | was 0.0% |
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