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Corning Incorporated (GLW)
NYSE: GLW · Real-Time Price · USD
85.97
+0.52 (0.61%)
At close: Dec 5, 2025, 4:00 PM EST
85.98
+0.01 (0.01%)
After-hours: Dec 5, 2025, 7:59 PM EST

Corning Revenue by Segment
Period Ending Sep 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
5.94B 5.54B 5.08B 4.66B 4.19B 3.86B 3.82B 4.01B
Optical Communications Growth
41.72% 43.25% 33.14% 16.08% -2.60% -17.84% -22.89% -20.13%
Display Technologies
3.71B 3.79B 3.91B 3.87B 3.77B 3.73B 3.64B 3.53B
Display Technologies Growth
-1.51% 1.66% 7.25% 9.63% 9.40% 17.94% 17.07% 6.84%
Specialty Materials
2.18B 2.11B 2.07B 2.02B 1.98B 1.99B 1.91B 1.87B
Specialty Materials Growth
10.43% 5.93% 7.95% 8.20% 4.16% 7.45% -0.10% -6.84%
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
1.31B 1.24B 1.21B 1.28B 1.26B 1.29B 1.37B 1.45B - - - - - - - - - - - - - -
Hemlock and Emerging Growth Businesses Growth
3.65% -3.80% -11.67% -11.62% -18.75% -20.96% -18.05% -13.00% - - - - - - - - - - - - - -
Life Sciences
976.00M 978.00M 977.00M 979.00M 971.00M 957.00M 939.00M 959.00M
Life Sciences Growth
0.51% 2.19% 4.05% 2.09% -3.96% -12.44% -20.02% -21.91%

Earnings by Segment
Period Ending Sep 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
Display Technologies
998.00M 1.03B 1.05B 1.01B 976.00M 933.00M 883.00M 842.00M
Display Technologies Growth
2.25% 10.72% 18.69% 19.48% 24.97% 38.63% 27.42% 9.49%
Optical Communications
937.00M 817.00M 713.00M 612.00M 506.00M 422.00M 419.00M 478.00M
Optical Communications Growth
85.18% 93.60% 70.17% 28.03% -2.69% -31.05% -35.93% -27.69%
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% -
Specialty Materials
349.00M 308.00M 290.00M 260.00M 237.00M 237.00M 207.00M 202.00M
Specialty Materials Growth
47.26% 29.96% 40.10% 28.71% 6.76% -3.66% -31.91% -40.59%
Life Sciences
65.00M 64.00M 63.00M 63.00M 62.00M 60.00M 54.00M 50.00M
Life Sciences Growth
4.84% 6.67% 16.67% 26.00% -3.13% -36.17% -55.00% -67.32%
Hemlock and Emerging Growth Businesses
-37.00M -48.00M -61.00M -55.00M -64.00M -60.00M -11.00M 15.00M - - - - - - - - - - - - - -
Hemlock and Emerging Growth Businesses Growth
- - - - - - - -61.54% - - - - - - - - - - - - - -

Operating Expense Breakdown
Period Ending Sep 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
2.11B 2.00B 1.95B 1.93B 1.95B 1.90B 1.87B 1.84B
Selling, General, and Administrative Growth
8.38% 4.78% 4.16% 4.77% 5.42% 3.53% -0.64% -2.90%
Research, Development, and Engineering
1.10B 1.12B 1.10B 1.09B 1.10B 1.08B 1.08B 1.08B
Research, Development, and Engineering Growth
-0.18% 3.34% 1.94% 1.21% 3.28% 0.28% 2.56% 2.77%
Amortization
113.00M 117.00M 119.00M 121.00M 121.00M 120.00M 121.00M 122.00M
Amortization Growth
-6.61% -2.50% -1.65% -0.82% -1.63% -3.23% -1.63% -0.81%
Source: Business metrics provided by Main Street Data and sourced from official company press releases and documents.