Mario Gabelli's GLW Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 202,217 shares of Corning Incorporated (GLW) worth $16.59 M, representing 0.16% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in GLW, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2021, adding 102,080 shares. Largest reduction occurred in Q2 2014, reducing 180,083 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Corning Incorporated (GLW) Holding Value Over Time
Track share changes against reported price movement
Quarterly Corning Incorporated (GLW) Trades by Mario Gabelli
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +1.31 M | Add 0.00% | 1.31 M | $14.23 |
| Q3 2013 | -3,700 | Reduce 0.28% | 1.3 M | $14.59 |
| Q4 2013 | +72,500 | Add 5.57% | 1.38 M | $17.82 |
| Q1 2014 | -57,900 | Reduce 4.21% | 1.32 M | $20.82 |
| Q2 2014 | -180,083 | Reduce 13.67% | 1.14 M | $21.95 |
| Q3 2014 | -161,800 | Reduce 14.23% | 975,268 | $19.34 |
| Q4 2014 | -177,982 | Reduce 18.25% | 797,286 | $22.93 |
| Q1 2015 | -83,520 | Reduce 10.48% | 713,766 | $22.68 |
| Q2 2015 | -17,800 | Reduce 2.49% | 695,966 | $19.73 |
| Q3 2015 | -21,680 | Reduce 3.12% | 674,286 | $17.12 |
| Q4 2015 | -9,900 | Reduce 1.47% | 664,386 | $18.28 |
| Q1 2016 | -6,470 | Reduce 0.97% | 657,916 | $20.89 |
| Q2 2016 | -44,600 | Reduce 6.78% | 613,316 | $20.48 |
| Q3 2016 | -20,620 | Reduce 3.36% | 592,696 | $23.65 |
| Q4 2016 | -15,200 | Reduce 2.56% | 577,496 | $24.27 |
| Q1 2017 | -24,400 | Reduce 4.23% | 553,096 | $27.00 |
| Q2 2017 | -135,200 | Reduce 24.44% | 417,896 | $30.05 |
| Q3 2017 | -11,900 | Reduce 2.85% | 405,996 | $29.92 |
| Q4 2017 | -51,500 | Reduce 12.68% | 354,496 | $31.99 |
| Q1 2018 | -21,380 | Reduce 6.03% | 333,116 | $27.88 |
| Q2 2018 | -8,255 | Reduce 2.48% | 324,861 | $27.51 |
| Q3 2018 | -23,902 | Reduce 7.36% | 300,959 | $35.30 |
| Q4 2018 | -8,164 | Reduce 2.71% | 292,795 | $30.21 |
| Q1 2019 | -7,410 | Reduce 2.53% | 285,385 | $33.10 |
| Q2 2019 | -5,500 | Reduce 1.93% | 279,885 | $33.23 |
| Q3 2019 | -11,142 | Reduce 3.98% | 268,743 | $28.52 |
| Q4 2019 | -11,317 | Reduce 4.21% | 257,426 | $29.11 |
| Q1 2020 | -13,945 | Reduce 5.42% | 243,481 | $20.54 |
| Q2 2020 | -7,664 | Reduce 3.15% | 235,817 | $25.90 |
| Q3 2020 | -6,031 | Reduce 2.56% | 229,786 | $32.41 |
| Q4 2020 | -20,655 | Reduce 8.99% | 209,131 | $36.00 |
| Q1 2021 | -6,839 | Reduce 3.27% | 202,292 | $43.51 |
| Q2 2021 | +41,389 | Add 20.46% | 243,681 | $40.90 |
| Q3 2021 | +102,080 | Add 41.89% | 345,761 | $36.49 |
| Q4 2021 | +16,217 | Add 4.69% | 361,978 | $37.23 |
| Q1 2022 | -13,957 | Reduce 3.86% | 348,021 | $36.91 |
| Q2 2022 | -4,900 | Reduce 1.41% | 343,121 | $31.51 |
| Q3 2022 | -3,700 | Reduce 1.08% | 339,421 | $29.02 |
| Q4 2022 | -39,226 | Reduce 11.56% | 300,195 | $31.94 |
| Q1 2023 | +6,333 | Add 2.11% | 306,528 | $35.28 |
| Q2 2023 | +9,300 | Add 3.03% | 315,828 | $35.04 |
| Q3 2023 | -8,263 | Reduce 2.62% | 307,565 | $30.47 |
| Q4 2023 | +1,600 | Add 0.52% | 309,165 | $30.45 |
| Q1 2024 | -5,400 | Reduce 1.75% | 303,765 | $32.96 |
| Q2 2024 | -22,445 | Reduce 7.39% | 281,320 | $38.85 |
| Q3 2024 | -15,174 | Reduce 5.39% | 266,146 | $45.15 |
| Q4 2024 | -9,436 | Reduce 3.55% | 256,710 | $47.52 |
| Q1 2025 | -29,465 | Reduce 11.48% | 227,245 | $45.78 |
| Q2 2025 | -6,090 | Reduce 2.68% | 221,155 | $52.59 |
| Q3 2025 | -18,938 | Reduce 8.56% | 202,217 | $82.03 |
Mario Gabelli's Corning Incorporated Investment FAQs
Mario Gabelli first purchased Corning Incorporated (GLW) in Q2 2013, acquiring 1,306,251 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Corning Incorporated (GLW) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's largest addition to Corning Incorporated (GLW) was in Q2 2013, adding 1,306,251 shares worth $18.59 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 202,217 shares of Corning Incorporated (GLW), valued at approximately $16.59 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Corning Incorporated (GLW) represents approximately 0.16% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's peak holding in Corning Incorporated (GLW) was 1,375,051 shares, as reported at the end of Q4 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.