Who owns Corning (GLW)?
126 holders named in SEC filings declare between 55.3% and 72.8% of Corning's shares outstanding, as of Sep 30, 2026. The largest are Vanguard (9.0%), Samsung Display Co., Ltd. (7.9%) and BlackRock (7.6%); the five largest hold 33.5% together. Another 2,551 institutions hold small positions worth 8.3%. At least 18.9% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 8.9% and sold 7.8% of the shares, a net purchase of 1.1%; 510 opened a position, 864 added, 927 reduced and 108 sold out. Biggest buyers: JPMorgan (+24.1M shares) and Capital Group (+7.0M shares). Biggest sellers: Vanguard (-8.7M) and Jane Street (-2.9M). Over time, 2,629 managers declared Corning in their 13F for Q2 2026, against 965 for Q4 2019: together at most 73.2% of the shares outstanding, against 74.2%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| Vanguard | 13F | 9.0% | Jun 30, 2026 | Q4 2019 or earlier |
| Samsung Display Co., Ltd. | 13G | 7.9% | Aug 20, 2025 | — |
| BlackRock | 13F | 7.6% | Jun 30, 2026 | Q4 2019 or earlier |
| State Street | 13F | 4.8% | Jun 30, 2026 | Q4 2019 or earlier |
| JPMorgan | 13F | 4.2% | Jun 30, 2026 | Q4 2019 or earlier |
| Capital Group | 13F | 3.5% | Jun 30, 2026 | Q3 2025 |
| Fidelity (FMR) | 13F | 2.8% | Jun 30, 2026 | Q4 2019 or earlier |
| Bank of America | 13F | 2.2% | Jun 30, 2026 | Q4 2019 or earlier |
| Geode Capital | 13F | 2.1% | Jun 30, 2026 | Q4 2019 or earlier |
| Morgan Stanley | 13F | 1.8% | Jun 30, 2026 | Q4 2019 or earlier |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 13F | 1.5% | Jun 30, 2026 | Q4 2019 or earlier |
| Wellington | 13F | 1.5% | Jun 30, 2026 | Q4 2019 or earlier |
| Norges Bank | 13F | 1.2% | Jun 30, 2026 | Q4 2019 or earlier |
| UBS | 13F | 1.1% | Jun 30, 2026 | Q4 2019 or earlier |
| Goldman Sachs | 13F | 1.0% | Jun 30, 2026 | Q4 2019 or earlier |
| Northern Trust | 13F | 0.98% | Jun 30, 2026 | Q4 2019 or earlier |
| T. Rowe Price | 13F | 0.70% | Jun 30, 2026 | Q4 2019 or earlier |
| WCM INVESTMENT MANAGEMENT, LLC | 13F | 0.69% | Jun 30, 2026 | Q3 2025 |
| BNY | 13F | 0.69% | Jun 30, 2026 | Q4 2019 or earlier |
| Charles Schwab | 13F | 0.57% | Jun 30, 2026 | Q4 2019 or earlier |
| Legal & General | 13F | 0.55% | Jun 30, 2026 | Q4 2019 or earlier |
| Invesco | 13F | 0.55% | Jun 30, 2026 | Q4 2019 or earlier |
| Ameriprise Financial, Inc. | 13F | 0.54% | Jun 30, 2026 | Q4 2019 or earlier |
| Nuveen | 13F | 0.51% | Jun 30, 2026 | Q4 2019 or earlier |
| PRIMECAP MANAGEMENT CO/CA/ | 13F | 0.48% | Jun 30, 2026 | Q4 2019 or earlier |
Corning institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2019 | 965 | 74.2% | $16.5B | 55.6% |
| Q4 2020 | 1,027 | 74.2% | $20.4B | 53.1% |
| Q4 2021 | 1,148 | 67.8% | $21.5B | 51.3% |
| Q4 2022 | 1,141 | 68.5% | $18.5B | 47.5% |
| Q4 2023 | 1,179 | 69.7% | $18.1B | 45.2% |
| Q4 2024 | 1,461 | 71.9% | $29.3B | 45.7% |
| Q4 2025 | 1,883 | 73.0% | $54.8B | 45.9% |
| Q2 2026 | 2,629 | 73.2% | $160.6B | 50.1% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.