Materials · owned by 1 fund manager
Who owns Corning (GLW)?
1 of the 22 fund managers we track hold Corning, worth $697M combined as of Q2 2026. Stephen Mandel has the biggest bet at 4.3% of the portfolio.
Ownership summary
Fund manager owners
1 / 22
0 opened new positions
Combined value
$697M
At quarter-end prices
Biggest weight
4.3%
Stephen Mandel
Buyers / sellers
0 / 2
Changes in Q2 2026
Smart money take
Why it matters
When several investors with very different styles own the same company, it’s often worth a closer look. Corning appears in 1 of our 22 portfolios.
- Largest holder: Stephen Mandel (4.3% of portfolio)
- 0 managers bought or added this quarter
- 2 managers trimmed or sold out
- 9 congressional trades disclosed recently (5 buys, 4 sells)
- Company insiders in Q3 2026: no open-market buys, sold $3M
This is not a recommendation. Do your own research.
Fund managers who own GLW
SEC 13F · Q2 2026| Investor | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Stephen Mandel Lone Pine Capital | 4.26% | Trimmed | 2,728,058 | $697M |
| David Tepper Appaloosa Management | 0% | Sold out | 1,129,500 | $154M prior qtr |
Congressional trades in GLWAll politician trades
| Member | Type | Amount | Traded | Disclosed |
|---|---|---|---|---|
| R Maria Elvira Salazar House · FL | Sell | $1,001 – $15,000 | 24 Sep 2026 | 7 Oct 2026 |
| R Maria Elvira Salazar House · FL | Buy | $1,001 – $15,000 | 8 Sep 2026 | 7 Oct 2026 |
| R Maria Elvira Salazar House · FL | Buy | $1,001 – $15,000 | 8 Sep 2026 | 7 Oct 2026 |
| R Maria Elvira Salazar House · FL | Sell | $1,001 – $15,000 | 4 Sep 2026 | 7 Oct 2026 |
| R Maria Elvira Salazar House · FL | Sell | $1,001 – $15,000 | 4 Sep 2026 | 7 Oct 2026 |
| R Alan Armstrong Senate · OK | Sell | $100,001 – $250,000 | 27 Mar 2026 | 21 Jul 2026 |
| R Maria Elvira Salazar House · FL | Buy | $1,001 – $15,000 | 19 Mar 2026 | 21 Apr 2026 |
| R Maria Elvira Salazar House · FL | Buy | $15,001 – $50,000 | 19 Mar 2026 | 21 Apr 2026 |
| D Gilbert Ray Cisneros, Jr. House · CA | Buy | $1,001 – $15,000 | 25 Mar 2026 | 7 Apr 2026 |
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