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Corning Incorporated (GLW)
NYSE: GLW · Real-Time Price · USD
134.74
-10.10 (-6.97%)
At close: Mar 5, 2026, 4:00 PM EST
131.25
-3.49 (-2.59%)
Pre-market: Mar 6, 2026, 8:02 AM EST

Corning Revenue by Segment
Period Ending Dec 31, 2025Sep 30, 2025Jun 30, 2025Mar 31, 2025Dec 31, 2024Sep 30, 2024Jun 30, 2024Mar 31, 2024Dec 31, 2023Sep 30, 2023Jun 30, 2023Mar 31, 2023Dec 31, 2022Sep 30, 2022Jun 30, 2022Mar 31, 2022Dec 31, 2021Sep 30, 2021Jun 30, 2021Mar 31, 2021Dec 31, 2020Sep 30, 2020Jun 30, 2020Mar 31, 2020Dec 31, 2019Sep 30, 2019Jun 30, 2019Mar 31, 2019Dec 31, 2018
Optical Communications
6.27B 5.94B 5.54B 5.08B 4.66B 4.19B 3.86B 3.82B
Optical Communications Growth
34.72% 41.72% 43.25% 33.14% 16.08% -2.60% -17.84% -22.89%
Display Technologies
3.70B 3.71B 3.79B 3.91B 3.87B 3.77B 3.73B 3.64B
Display Technologies Growth
-4.52% -1.51% 1.66% 7.25% 9.63% 9.40% 17.94% 17.07%
Specialty Materials
2.21B 2.18B 2.11B 2.07B 2.02B 1.98B 1.99B 1.91B
Specialty Materials Growth
9.56% 10.43% 5.93% 7.95% 8.20% 4.16% 7.45% -0.10%
Environmental Technologies
- - - - 1.67B 1.70B 1.76B 1.79B 1.77B 1.73B 1.71B 1.61B
Environmental Technologies Growth
- - - - -5.72% -1.96% 3.34% 11.46% 11.49% 12.18% 13.57% 3.35%
Hemlock and Emerging Growth Businesses
1.46B 1.31B 1.24B 1.21B 1.28B 1.26B 1.29B 1.37B - - - - - - - - - - - - - -
Hemlock and Emerging Growth Businesses Growth
14.24% 3.65% -3.80% -11.67% -11.62% -18.75% -20.96% -18.05% - - - - - - - - - - - - - -
Life Sciences
972.00M 976.00M 978.00M 977.00M 979.00M 971.00M 957.00M 939.00M
Life Sciences Growth
-0.72% 0.51% 2.19% 4.05% 2.09% -3.96% -12.44% -20.02%

Earnings by Segment
Period Ending Dec 31, 2025Sep 30, 2025Jun 30, 2025Mar 31, 2025Dec 31, 2024Sep 30, 2024Jun 30, 2024Mar 31, 2024Dec 31, 2023Sep 30, 2023Jun 30, 2023Mar 31, 2023Dec 31, 2022Sep 30, 2022Jun 30, 2022Mar 31, 2022Dec 31, 2021Sep 30, 2021Jun 30, 2021Mar 31, 2021Dec 31, 2020Sep 30, 2020Jun 30, 2020Mar 31, 2020Dec 31, 2019Sep 30, 2019Jun 30, 2019Mar 31, 2019Dec 31, 2018
Optical Communications
1.05B 937.00M 817.00M 713.00M 612.00M 506.00M 422.00M 419.00M
Optical Communications Growth
71.24% 85.18% 93.60% 70.17% 28.03% -2.69% -31.05% -35.93%
Display Technologies
993.00M 998.00M 1.03B 1.05B 1.01B 976.00M 933.00M 883.00M
Display Technologies Growth
-1.29% 2.25% 10.72% 18.69% 19.48% 24.97% 38.63% 27.42%
Specialty Materials
367.00M 349.00M 308.00M 290.00M 260.00M 237.00M 237.00M 207.00M
Specialty Materials Growth
41.15% 47.26% 29.96% 40.10% 28.71% 6.76% -3.66% -31.91%
Environmental Technologies
- - - - 358.00M 375.00M 399.00M 409.00M 386.00M 357.00M 345.00M 300.00M -
Environmental Technologies Growth
- - - - -7.25% 5.04% 15.65% 36.33% 32.19% 28.88% 38.00% 11.52% -
Life Sciences
61.00M 65.00M 64.00M 63.00M 63.00M 62.00M 60.00M 54.00M
Life Sciences Growth
-3.17% 4.84% 6.67% 16.67% 26.00% -3.13% -36.17% -55.00%
Hemlock and Emerging Growth Businesses
-26.00M -37.00M -48.00M -61.00M -55.00M -64.00M -60.00M -11.00M - - - - - - - - - - - - - -

Operating Expense Breakdown
Period Ending Dec 31, 2025Sep 30, 2025Jun 30, 2025Mar 31, 2025Dec 31, 2024Sep 30, 2024Jun 30, 2024Mar 31, 2024Dec 31, 2023Sep 30, 2023Jun 30, 2023Mar 31, 2023Dec 31, 2022Sep 30, 2022Jun 30, 2022Mar 31, 2022Dec 31, 2021Sep 30, 2021Jun 30, 2021Mar 31, 2021Dec 31, 2020Sep 30, 2020Jun 30, 2020Mar 31, 2020Dec 31, 2019Sep 30, 2019Jun 30, 2019Mar 31, 2019Dec 31, 2018
Selling, General, and Administrative
2.12B 2.11B 2.00B 1.95B 1.93B 1.95B 1.90B 1.87B
Selling, General, and Administrative Growth
9.89% 8.38% 4.78% 4.16% 4.77% 5.42% 3.53% -0.64%
Research, Development, and Engineering
1.11B 1.10B 1.12B 1.10B 1.09B 1.10B 1.08B 1.08B
Research, Development, and Engineering Growth
1.93% -0.18% 3.34% 1.94% 1.21% 3.28% 0.28% 2.56%
Amortization
110.00M 113.00M 117.00M 119.00M 121.00M 121.00M 120.00M 121.00M
Amortization Growth
-9.09% -6.61% -2.50% -1.65% -0.82% -1.63% -3.23% -1.63%
Source: Business metrics provided by Main Street Data and sourced from official company press releases and documents.