Mario Gabelli's GLW Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 192,594 shares of Corning Incorporated (GLW) worth $16.86 M, representing 0.16% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 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
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -9,623 | Reduce 4.76% | 192,594 | $87.56 |
| Q3 2025 | -18,938 | Reduce 8.56% | 202,217 | $82.03 |
| Q2 2025 | -6,090 | Reduce 2.68% | 221,155 | $52.59 |
| Q1 2025 | -29,465 | Reduce 11.48% | 227,245 | $45.78 |
| Q4 2024 | -9,436 | Reduce 3.55% | 256,710 | $47.52 |
| Q3 2024 | -15,174 | Reduce 5.39% | 266,146 | $45.15 |
| Q2 2024 | -22,445 | Reduce 7.39% | 281,320 | $38.85 |
| Q1 2024 | -5,400 | Reduce 1.75% | 303,765 | $32.96 |
| Q4 2023 | +1,600 | Add 0.52% | 309,165 | $30.45 |
| Q3 2023 | -8,263 | Reduce 2.62% | 307,565 | $30.47 |
| Q2 2023 | +9,300 | Add 3.03% | 315,828 | $35.04 |
| Q1 2023 | +6,333 | Add 2.11% | 306,528 | $35.28 |
| Q4 2022 | -39,226 | Reduce 11.56% | 300,195 | $31.94 |
| Q3 2022 | -3,700 | Reduce 1.08% | 339,421 | $29.02 |
| Q2 2022 | -4,900 | Reduce 1.41% | 343,121 | $31.51 |
| Q1 2022 | -13,957 | Reduce 3.86% | 348,021 | $36.91 |
| Q4 2021 | +16,217 | Add 4.69% | 361,978 | $37.23 |
| Q3 2021 | +102,080 | Add 41.89% | 345,761 | $36.49 |
| Q2 2021 | +41,389 | Add 20.46% | 243,681 | $40.90 |
| Q1 2021 | -6,839 | Reduce 3.27% | 202,292 | $43.51 |
| Q4 2020 | -20,655 | Reduce 8.99% | 209,131 | $36.00 |
| Q3 2020 | -6,031 | Reduce 2.56% | 229,786 | $32.41 |
| Q2 2020 | -7,664 | Reduce 3.15% | 235,817 | $25.90 |
| Q1 2020 | -13,945 | Reduce 5.42% | 243,481 | $20.54 |
| Q4 2019 | -11,317 | Reduce 4.21% | 257,426 | $29.11 |
| Q3 2019 | -11,142 | Reduce 3.98% | 268,743 | $28.52 |
| Q2 2019 | -5,500 | Reduce 1.93% | 279,885 | $33.23 |
| Q1 2019 | -7,410 | Reduce 2.53% | 285,385 | $33.10 |
| Q4 2018 | -8,164 | Reduce 2.71% | 292,795 | $30.21 |
| Q3 2018 | -23,902 | Reduce 7.36% | 300,959 | $35.30 |
| Q2 2018 | -8,255 | Reduce 2.48% | 324,861 | $27.51 |
| Q1 2018 | -21,380 | Reduce 6.03% | 333,116 | $27.88 |
| Q4 2017 | -51,500 | Reduce 12.68% | 354,496 | $31.99 |
| Q3 2017 | -11,900 | Reduce 2.85% | 405,996 | $29.92 |
| Q2 2017 | -135,200 | Reduce 24.44% | 417,896 | $30.05 |
| Q1 2017 | -24,400 | Reduce 4.23% | 553,096 | $27.00 |
| Q4 2016 | -15,200 | Reduce 2.56% | 577,496 | $24.27 |
| Q3 2016 | -20,620 | Reduce 3.36% | 592,696 | $23.65 |
| Q2 2016 | -44,600 | Reduce 6.78% | 613,316 | $20.48 |
| Q1 2016 | -6,470 | Reduce 0.97% | 657,916 | $20.89 |
| Q4 2015 | -9,900 | Reduce 1.47% | 664,386 | $18.28 |
| Q3 2015 | -21,680 | Reduce 3.12% | 674,286 | $17.12 |
| Q2 2015 | -17,800 | Reduce 2.49% | 695,966 | $19.73 |
| Q1 2015 | -83,520 | Reduce 10.48% | 713,766 | $22.68 |
| Q4 2014 | -177,982 | Reduce 18.25% | 797,286 | $22.93 |
| Q3 2014 | -161,800 | Reduce 14.23% | 975,268 | $19.34 |
| Q2 2014 | -180,083 | Reduce 13.67% | 1.14 M | $21.95 |
| Q1 2014 | -57,900 | Reduce 4.21% | 1.32 M | $20.82 |
| Q4 2013 | +72,500 | Add 5.57% | 1.38 M | $17.82 |
| Q3 2013 | -3,700 | Reduce 0.28% | 1.3 M | $14.59 |
| Q2 2013 | +1.31 M | Add 0.00% | 1.31 M | $14.23 |
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 51 quarters since Q2 2013.
Mario Gabelli's largest addition to Corning Incorporated (GLW) was in Q2 2013, adding 1,306,251 shares worth $18.59 M.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 192,594 shares of Corning Incorporated (GLW), valued at approximately $16.86 M.
As of the Q4 2025 filing, Corning Incorporated (GLW) represents approximately 0.16% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Corning Incorporated (GLW) was 1,375,051 shares, as reported at the end of Q4 2013.