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Of the 23 tracked institutions holding GLW, 15 have a 3-year clone track record — 14 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.
Among the 23 tracked institutional investors we monitor, GLW (CORNING INC) is held with a combined value of $33.26B across 280,020,391 shares. The largest holder is BlackRock, Inc. with a position worth $9.07B (0.16% of their portfolio). 6 funds opened new positions in the most recent quarter. 10 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$33.26B
Total Shares Held
280,020,391
Institutional Holders
23
% of Shares Outstanding
32.5%
of 860.64M shares · SEC 2026-04-24
Days to Cover
1.6-6.8%
19.13M shares short · FINRA 2026-07-15
Tracked 13F institutions hold 32.5% of GLW's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-24), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $9.07B | 0.16% | +4.9% |
| 2 | VANGUARD GROUP INC | $8.69B | 0.13% | +0.6% |
| 3 | STATE STREET CORP | $4.93B | 0.17% | -1.4% |
| 4 | FMR LLC | $3.39B | 0.18% | +72.4% |
| 5 | Capital Research Global Investors | $2.97B | 0.46% | +29.3% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | $1.19B | 0.22% | -30.6% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.03B | 0.12% | -6.0% |
| 8 | LONE PINE CAPITAL LLC | $505.56M | 4.03% | New |
| 9 | Whale Rock Capital Management LLC | $312.38M | 4.03% | -13.9% |
| 10 | MILLENNIUM MANAGEMENT LLC | $282.26M | 0.12% | +25.2% |
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Sell | Mar 27, 2026 |
| Gilbert Cisneros | Buy | Mar 25, 2026 |
| Maria Elvira Salazar | Buy | Mar 19, 2026 |
| Josh Gottheimer | Buy |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of GLW with a position worth $9.07B, representing 0.16% of their portfolio. In total, 23 institutional investors hold GLW with a combined value of $33.26B.
In the most recent quarter, 6 funds opened a new position in GLW. Additionally, 10 increased their holdings and 7 reduced their positions.
Institutional investors hold $33.26B worth of GLW stock across 23 positions. The largest institutional holder is BlackRock, Inc. with $9.07B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For GLW, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their GLW positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| May 28, 2025 |
| Josh Gottheimer | Buy | May 22, 2025 |
| Marjorie Taylor Greene | Buy | May 14, 2025 |
| Marjorie Taylor Greene | Buy | May 5, 2025 |
| Josh Gottheimer | Sell | Apr 17, 2025 |
Showing 8 of 49. STOCK Act disclosures lag up to 45 days.
Last Close
$146.65
2026-07-24
YTD
+61.7%
46% of 52-week range
