Corning Inc (GLW) operating KPIs
GLWNYSEDrawing & Insulating of Nonferrous WireFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 16/3073% above fair value
$123.31−5.57 (-4.32%)
Close on Oct 30, 2026Market cap $106.22BP/E 49.9Yield 0.91%
KPIs
Operating metrics that drive Corning's business · fiscal year ends December 31
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| Add to chart | Metric | Q4 '26 2026-12-31 | Q3 '26 2026-09-30 | Q2 '26 2026-06-30 | Q1 '26 2026-03-31 | Q4 '25 2025-12-31 | Q3 '25 2025-09-30 | Q2 '25 2025-06-30 | Q1 '25 2025-03-31 | Q4 '24 2024-12-31 | Q3 '24 2024-09-30 | Q2 '24 2024-06-30 | Q1 '24 2024-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Optical Communications — Segment Net Sales($M)7 | 2,379 | 2,072 | 1,846 | 1,701 | 1,652 | 1,566 | 1,355 | 1,368 | 1,246 | 1,113 | 930 | ||
Enterprise Network — Net Sales (Data Center & Gen AI Optical Interconnect)($M) | 1,525 | 1,269 | 962 | 890 | 831 | 769 | 705 | 686 | 525 | 426 | 342 | ||
Carrier Network — Net Sales (Telecom, FTTH & Data Center Interconnect / DCI)($M) | 854 | 803 | 884 | 811 | 821 | 797 | 650 | 682 | 721 | 687 | 588 | ||
Optical Communications — Segment Net Income($M) | 532 | 438 | 387 | 305 | 295 | 247 | 201 | 194 | 175 | 143 | 100 | ||
Optical Communications — Segment RD&E Expenses($M) | 92 | 85 | 80 | 75 | 76 | 77 | 72 | 71 | 66 | 65 | |||
Optical Communications — Segment Depreciation($M) | 77 | 72 | 71 | 66 | 69 | 65 | 66 | 69 | 66 | 66 | |||
Optical Communications — Segment Income Tax Expense($M) | 127 | 110 | 89 | 85 | 72 | 58 | 56 | 49 | 41 | 28 | |||
Optical Communications — Other Segment Items($M) | 1,338 | 1,192 | 1,156 | 1,131 | 1,102 | 954 | 980 | 882 | 797 | 671 | |||
Glass Innovations — Segment Net Sales (Display + Specialty Materials)($M)7 | 1,506 | 1,463 | 1,420 | 1,499 | 1,560 | 1,443 | 1,406 | 1,486 | 1,563 | 1,515 | 1,326 | ||
Glass Innovations — Segment Net Income($M) | 328 | 354 | 324 | 356 | 363 | 324 | 317 | 343 | 357 | 321 | 245 | ||
Glass Innovations — Segment RD&E Expenses($M) | 92 | 84 | 96 | 94 | 92 | 92 | 94 | 98 | 85 | 86 | |||
Glass Innovations — Segment Depreciation($M) | 150 | 150 | 154 | 142 | 147 | 137 | 148 | 149 | 150 | 152 | |||
Glass Innovations — Segment Income Tax Expense($M) | 93 | 85 | 93 | 95 | 85 | 84 | 88 | 95 | 85 | 64 | |||
Glass Innovations — Other Segment Items($M) | 774 | 777 | 800 | 866 | 795 | 776 | 813 | 864 | 874 | 779 | |||
Display Technologies — Segment Net Sales (legacy standalone through Q4 '25)($M)4 | 955 | 939 | 898 | 905 | 971 | 1,015 | 1,014 | 872 | |||||
Specialty Materials — Segment Net Sales (Gorilla Glass & Advanced Optics, legacy through Q4 '25)($M)4 | 544 | 621 | 545 | 501 | 515 | 548 | 501 | 454 | |||||
Automotive — Segment Net Sales (Substrates, GPF, Heavy-Duty Diesel & Auto Glass)($M)7 | 470 | 471 | 437 | 440 | 454 | 460 | 440 | 446 | 430 | 479 | 491 | ||
Auto, Glass and Other — Sub-Segment Net Sales (Light-Duty Substrates, GPF & Automotive Glass Solutions)($M) | 310 | 318 | 301 | 323 | 327 | 311 | 305 | 325 | 312 | 318 | 324 | ||
Heavy-Duty Diesel — Sub-Segment Net Sales (Commercial Truck & Off-Road Emission Control)($M) | 160 | 153 | 136 | 117 | 127 | 149 | 135 | 121 | 118 | 161 | 167 | ||
Automotive — Segment Net Income($M) | 67 | 82 | 70 | 63 | 68 | 79 | 68 | 61 | 51 | 71 | 78 | ||
Automotive — Segment RD&E Expenses($M) | 36 | 36 | 38 | 38 | 35 | 35 | 41 | 43 | 41 | 38 | |||
Automotive — Segment Depreciation($M) | 39 | 40 | 41 | 40 | 41 | 41 | 43 | 44 | 44 | 43 | |||
Automotive — Segment Income Tax Expense($M) | 22 | 18 | 17 | 18 | 21 | 18 | 16 | 14 | 19 | 21 | |||
Automotive — Other Segment Items($M) | 292 | 273 | 281 | 290 | 284 | 278 | 285 | 278 | 304 | 311 | |||
Solar — Segment Net Sales (Hemlock Semiconductor Polysilicon & U.S. Solar Wafers / Modules)($M)5 | 436 | 438 | 370 | 475 | 319 | 231 | 206 | 256 | 194 | 199 | 216 | ||
Solar — Segment Net Income (Loss)($M) | -7 | -7 | 7 | 30 | 30 | 2 | 27 | 46 | 31 | 34 | 36 | ||
Solar — Segment RD&E Expenses($M) | 3 | 2 | 2 | 2 | 4 | 2 | 2 | 5 | 2 | 2 | |||
Solar — Segment Depreciation($M) | 77 | 44 | 30 | 29 | 26 | 17 | 16 | 17 | 16 | 16 | |||
Solar — Segment Income Tax Expense (Benefit)($M) | 2 | 6 | 13 | 14 | 3 | 11 | 17 | 12 | 12 | 13 | |||
Solar — Other Segment Items($M) | 363 | 311 | 400 | 244 | 196 | 149 | 175 | 129 | 135 | 149 | |||
Life Sciences and Emerging Growth Businesses — Segment Net Sales($M)7 | 290 | 294 | 272 | 297 | 287 | 345 | 272 | 318 | 300 | 298 | 295 | ||
Life Sciences and Emerging Growth Businesses — Segment Net Income (Loss)($M) | -28 | -21 | -24 | -15 | -15 | 6 | -30 | -18 | -4 | -14 | -6 | ||
Life Sciences and Emerging Growth Businesses — Segment RD&E Expenses($M) | 27 | 28 | 27 | 24 | 26 | 30 | 32 | 31 | 28 | 25 | |||
Life Sciences and Emerging Growth Businesses — Segment Depreciation($M) | 23 | 26 | 26 | 27 | 27 | 29 | 28 | 29 | 29 | 28 | |||
Life Sciences and Emerging Growth Businesses — Segment Income Tax Benefit($M) | -6 | -7 | -5 | -5 | 1 | -9 | -5 | -3 | -5 | -1 | |||
Life Sciences and Emerging Growth Businesses — Other Segment Items($M) | 271 | 249 | 264 | 256 | 285 | 252 | 281 | 247 | 260 | 249 | |||
Life Sciences (Standalone) — Segment Net Sales (legacy through Q4 '25)($M)1 | 246 | 242 | 250 | 234 | 250 | 244 | 249 | 236 | |||||
Hemlock and Emerging Growth Businesses — Segment Net Sales (legacy through Q4 '25)($M)1 | 526 | 364 | 326 | 244 | 324 | 250 | 248 | 275 | |||||
Core Net Sales (Non-GAAP Constant-Currency / Hedged-Rate Revenue)($M)9 | 5,081 | 4,738 | 4,345 | 4,412 | 4,272 | 4,045 | 3,679 | 3,874 | 3,733 | 3,604 | 3,258 | ||
Core Gross Margin ($M)($M)1 | 2,059 | 1,874 | 1,700 | 1,682 | 1,664 | 1,552 | 1,395 | 1,494 | 1,463 | 1,366 | 1,200 | ||
Core Gross Margin (% of Core Net Sales)(%) | 40.5% | 39.6% | 39.1% | 38.1% | 39.0% | 38.4% | 37.9% | 38.6% | 39.2% | 37.9% | 36.8% | ||
Core SG&A Expenses ($M)($M)1 | 592 | 590 | 546 | 507 | 550 | 508 | 463 | 501 | 496 | 477 | 441 | ||
Core SG&A (% of Core Net Sales)(%) | 11.7% | 12.5% | 12.6% | 11.5% | 12.9% | 12.6% | 12.6% | 12.9% | 13.3% | 13.2% | 14.0% | ||
Core RD&E Expenses ($M)($M)1 | 315 | 295 | 278 | 284 | 276 | 274 | 271 | 276 | 285 | 262 | 255 | ||
Core RD&E (% of Core Net Sales)(%) | 6.2% | 6.2% | 6.4% | 6.4% | 6.5% | 6.8% | 7.4% | 7.1% | 7.6% | 7.3% | 8.0% | ||
Core Operating Income ($M)($M)1 | 1,152 | 989 | 876 | 891 | 838 | 770 | 661 | 717 | 682 | 627 | 504 | ||
Core Operating Margin (% of Core Net Sales)(%) | 22.7% | 20.9% | 20.2% | 20.2% | 19.6% | 19.0% | 18.0% | 18.5% | 18.3% | 17.4% | 15.5% | ||
Core Gross Equity Earnings ($M)($M) | 3 | -3 | 4 | 8 | 3 | 3 | 2 | 11 | 7 | 13 | 9 | ||
Core Profit Before Taxes ($M)($M) | 1,057 | 898 | 797 | 819 | 779 | 689 | 616 | 660 | 602 | 548 | 436 | ||
Core Effective Tax Rate (%)(%) | 18.5% | 18.5% | 18.5% | 18.1% | 19.5% | 19.5% | 19.5% | 20.1% | 19.1% | 22.0% | 20.2% | ||
Core Net Income Attributable to Corning Incorporated ($M)($M) | 795 | 680 | 612 | 624 | 585 | 523 | 467 | 497 | 465 | 407 | 330 | ||
Core Diluted Earnings Per Share ($)($)1 | 0.91 | 0.78 | 0.70 | 0.72 | 0.67 | 0.60 | 0.54 | 0.57 | 0.54 | 0.47 | 0.38 | ||
Core Weighted-Average Diluted Shares Outstanding (M)(M) | 871 | 875 | 871 | 868 | 868 | 865 | 866 | 866 | 865 | 864 | 862 | ||
Adjusted Free Cash Flow ($M)($M)2 | 661 | 1,423 | 188 | 732 | 535 | 451 | -1 | 409 | 553 | 353 | -62 | ||
Adjusted Cash Flows from Operating Activities ($M)($M) | 1,206 | 1,845 | 512 | 1,164 | 869 | 759 | 207 | 663 | 770 | 595 | 190 | ||
Realized Gains on Translated Earnings Contracts & Other ($M)($M) | 145 | 128 | 150 | 112 | 85 | 51 | 56 | 40 | 71 | 74 | 94 | ||
Core Return on Invested Capital — Core ROIC (%)(%)2 | 16.7% | 14.9% | 13.5% | 14.2% | 13.4% | 13.1% | 11.6% | 12.7% | 11.8% | 11.0% | 8.6% | ||
Annualized Tax-Adjusted Core Operating Return ($M, Numerator = Qtr × 4)($M)3 | 3,764 | 3,216 | 2,868 | 2,944 | 2,708 | 2,488 | 2,136 | 2,328 | 2,228 | 1,996 | 1,636 | ||
Core Operating Income — Tax Adjusted ($M)($M) | 941 | 804 | 717 | 736 | 677 | 622 | 534 | 582 | 557 | 499 | 409 | ||
Core EBIT (Core Operating Income + Core Equity Earnings, $M)($M) | 1,155 | 986 | 880 | 899 | 841 | 773 | 663 | 728 | 689 | 640 | 513 | ||
Tax on Core EBIT ($M)($M) | 214 | 182 | 163 | 163 | 164 | 151 | 129 | 146 | 132 | 141 | 104 | ||
Total Invested Capital ($M, Denominator = Equity + Debt)($M)2 | 22,488 | 21,551 | 21,322 | 20,741 | 20,224 | 19,045 | 18,365 | 18,281 | 18,875 | 18,211 | 18,927 | ||
Invested Capital: Total Stockholders' Equity ($M)($M) | 14,288 | 13,127 | 12,349 | 12,307 | 12,005 | 11,545 | 11,128 | 11,070 | 11,467 | 10,927 | 11,559 | ||
Invested Capital: Total Short- and Long-Term Debt ($M)($M) | 8,200 | 8,424 | 8,973 | 8,434 | 8,219 | 7,500 | 7,237 | 7,211 | 7,408 | 7,284 | 7,368 | ||
Next-Quarter Core Net Sales Guidance — Low / Point ($M)($M)3 | 5,200 | 4,900 | 4,600 | 4,200 | 4,350 | 4,200 | 3,850 | 3,600 | 3,750 | 3,700 | 3,400 | 3,100 | |
Next-Quarter Core Net Sales Guidance — High End ($M)($M) | 5,300 | 5,000 | 4,600 | 4,300 | 4,350 | 4,200 | 3,850 | 3,600 | 3,750 | 3,700 | 3,400 | 3,100 | |
Next-Quarter Core Diluted EPS Guidance — Low End ($)($) | 0.96 | 0.85 | 0.73 | 0.66 | 0.68 | 0.63 | 0.55 | 0.48 | 0.53 | 0.50 | 0.42 | 0.32 | |
Next-Quarter Core Diluted EPS Guidance — High End ($)($) | 1 | 0.89 | 0.77 | 0.70 | 0.72 | 0.67 | 0.59 | 0.52 | 0.57 | 0.54 | 0.46 | 0.38 | |
Japanese Yen (JPY per USD) — Core / Hedge Rate Applied to Segment Results(×)7 | 120.00 | 120.00 | 120.00 | 120.00 | 120.00 | 120.00 | 120.00 | 107.00 | 107.00 | 107.00 | 107.00 | ||
South Korean Won (KRW per USD) — Core / Hedge Rate(×) | 1,266.00 | 1,269.00 | 1,250.00 | 1,250.00 | 1,250.00 | 1,250.00 | 1,250.00 | 1,175.00 | 1,175.00 | 1,175.00 | 1,175.00 | ||
Chinese Yuan (CNY per USD) — Core / Hedge Rate(×) | 6.80 | 6.80 | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 6.70 | 6.70 | 6.70 | 6.70 | ||
New Taiwan Dollar (TWD per USD) — Core / Hedge Rate(×) | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | ||
Mexican Peso (MXN per USD) — Core / Hedge Rate(×) | 21.00 | 20.00 | 21.00 | 21.00 | 21.00 | 21.00 | 21.00 | 20.00 | 20.00 | 20.00 | 20.00 | ||
Euro (EUR per USD) — Core / Hedge Rate(×) | 0.87 | 0.88 | 0.88 | 0.88 | 0.88 | 0.88 | 0.88 | 0.81 | 0.81 | 0.81 | 0.81 | ||
Translated Earnings & FX Derivative Contracts — Total Gross Notional ($M)($M)1 | 19,552 | 18,478 | 17,063 | 15,864 | 17,897 | 16,266 | 13,523 | 11,986 | 8,337 | 8,406 | |||
Translated Earnings Contracts — Gross Notional ($M)($M) | 14,261 | 13,104 | 10,816 | 10,902 | 12,331 | 11,336 | 9,817 | 8,660 | 5,437 | 5,390 | |||
Translated Earnings Contract Net Pre-Tax Gain (Loss) ($M)($M) | 138 | 90 | -16 | 33 | 131 | -101 | |||||||
Customer Deposits and Government Incentives — Operating Cash Flow Inflow ($M)($M)1 | -70 | 880 | -171 | 317 | -92 | 59 | -16 | -54 | 66 | 7 | -25 | ||
Customer Deposits & Contract Liabilities (Deferred Revenue) — Total Balance Sheet Liability ($M)($M)3 | 2,700 | 1,300 | 2,300 | 1,100 | 1,100 | 1,100 | 1,100 | 1,200 | 1,200 | 1,100 | |||
Customer Deposits & Contract Liabilities — Current ($M)($M) | 465 | 183 | 386 | 177 | 169 | 170 | 127 | 179 | 178 | 164 | |||
Customer Deposits & Contract Liabilities — Noncurrent ($M)($M) | 2,244 | 1,136 | 1,884 | 887 | 896 | 885 | 983 | 1,009 | 986 | 977 | |||
Deferred Income — Operating Cash Flow Inflow (Outflow) ($M)($M) | -43 | -64 | -38 | 50 | -38 | -41 | -29 | -50 | |||||
Total Inventories, Net ($M)($M)4 | 3,646 | 3,426 | 3,279 | 3,077 | 3,104 | 3,084 | 2,896 | 2,724 | 2,793 | 2,682 | 2,713 | ||
Finished Goods Inventory ($M)($M) | 1,478 | 1,420 | 1,383 | 1,421 | 1,479 | 1,419 | 1,323 | 1,354 | 1,303 | 1,287 | |||
Work in Process (WIP) Inventory ($M)($M) | 688 | 697 | 618 | 564 | 550 | 552 | 547 | 566 | 546 | 555 | |||
Raw Materials and Accessories Inventory ($M)($M) | 703 | 627 | 564 | 605 | 564 | 461 | 413 | 457 | 426 | 446 | |||
Supplies and Accessories Inventory (Precious Metals & Spare Parts, $M)($M) | 557 | 535 | 512 | 514 | 491 | 464 | 441 | 416 | 407 | 425 | |||
Property, Plant and Equipment — Gross ($M, including Precious Metals Pool)2 | |||||||||||||
Accumulated Depreciation — PP&E ($M)($M) | -15,460 | -15,162 | -15,229 | -15,171 | -15,020 | -14,523 | -14,492 | -15,140 | -14,562 | -14,439 | |||
Property, Plant and Equipment — Net ($M)($M) | 14,927 | 14,785 | 14,825 | 14,397 | 13,881 | 13,360 | 13,359 | 14,059 | 13,742 | 14,199 | |||
Pollution Control Facilities — Capital Expenditures ($M)2 | |||||||||||||
Active Superfund / Hazardous Waste Remediation Sites (Count) | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | |||
Undiscounted Environmental Remediation Reserve ($M)($M) | 85 | 87 | 89 | 91 | 92 | 94 | 78 | 81 | 83 | 86 | |||
U.S. Industrial Production: Communications Equipment Index (FRED IPG3342S, 2017=100)(×)3 | 232.79 | 228.57 | 223.70 | 215.58 | 202.36 | 212.80 | 218.25 | 212.74 | 210.92 | 199.55 | 197.44 | ||
U.S. Light Weight Vehicle Sales — Seasonally Adjusted Annual Rate (FRED ALTSALES, Millions)(M) | 16.2 | 16.5 | 15.5 | 15.8 | 16.5 | 16.2 | 16.5 | 16.5 | 15.6 | 15.7 | 15.6 | ||
U.S. Heavy Weight Truck Sales — Seasonally Adjusted Annual Rate (FRED HTRUCKSSAAR, Millions)(M) | 0.41 | 0.42 | 0.38 | 0.36 | 0.40 | 0.45 | 0.46 | 0.48 | 0.49 | 0.47 | 0.49 | ||
Henry Hub Natural Gas Spot Price (FRED MHHNGSP, $/MMBtu — Glass Melting Energy Input)($) | 2.87 | 2.95 | 4.79 | 3.75 | 3.03 | 3.19 | 4.15 | 2.44 | 2.11 | 2.09 | 2.13 | ||
Platinum Benchmark Price ($/oz, NYMEX PL=F — Glass Melting Refractory Metal)($)3 | 1,727 | 1,916 | 2,199 | 1,691 | 1,393 | 1,068 | 979 | 966 | 964 | 982 | 908 | ||
Palladium Benchmark Price ($/oz, NYMEX PA=F — Catalytic Emission Control Metal)($) | 1,303 | 1,411 | 1,717 | 1,494 | 1,183 | 988 | 964 | 1,006 | 961 | 968 | 974 | ||
Copper Benchmark Price ($/lb, COMEX HG=F — Data Center & Telecom Interconnect Metal)($) | 6.48 | 6.16 | 5.80 | 5.15 | 4.83 | 4.72 | 4.57 | 4.22 | 4.23 | 4.55 | 3.86 | ||
VanEck Steel & Industrial Metals ETF Benchmark (SLX, $/share)($) | 105 | 104 | 93.81 | 79.42 | 70.51 | 61.72 | 61.80 | 67.75 | 66.57 | 69.83 | 70.17 | ||
Consolidated GAAP Net Sales ($M, by Geographic Region & Country)($M) | 4,505 | 4,144 | 4,215 | 4,100 | 3,862 | 3,452 | 3,501 | 3,391 | 3,251 | 2,975 | |||
Consolidated GAAP Gross Profit ($M)($M)8 | 1,628 | 1,528 | 1,495 | 1,520 | 1,392 | 1,214 | 1,197 | 1,137 | 949 | 993 | |||
Cost of Sales ($M)($M) | 2,877 | 2,616 | 2,720 | 2,580 | 2,470 | 2,238 | 2,304 | 2,254 | 2,302 | 1,982 | |||
Selling, General and Administrative Expenses ($M)($M) | 608 | 588 | 512 | 624 | 515 | 471 | 499 | 510 | 471 | 451 | |||
Research, Development and Engineering Expenses ($M)($M) | 314 | 299 | 278 | 284 | 280 | 276 | 270 | 275 | 294 | 262 | 258 | ||
Consolidated GAAP Operating Income ($M)($M) | 698 | 639 | 672 | 589 | 573 | 445 | 393 | 302 | 186 | 254 | |||
Interest Expense ($M)($M) | 94 | 92 | 93 | 78 | 83 | 82 | 79 | 83 | 84 | 83 | |||
Consolidated GAAP Income Before Income Taxes ($M)($M) | 649 | 529 | 678 | 550 | 584 | 240 | 437 | -92 | 172 | 296 | |||
Provision for Income Taxes ($M)($M) | 40 | 121 | 91 | 80 | 84 | 55 | 97 | 3 | 50 | 71 | |||
GAAP Net Income Attributable to Corning Incorporated ($M)($M) | 559 | 371 | 540 | 430 | 469 | 157 | 310 | -117 | 104 | 209 | |||
GAAP Cash Flows from Operating Activities ($M)($M)3 | 1,717 | 362 | 1,052 | 784 | 708 | 151 | 623 | 699 | 521 | 96 | |||
Consolidated Depreciation ($M)($M) | 371 | 368 | 334 | 324 | 310 | 312 | 291 | 305 | 310 | 307 | 307 | ||
Consolidated Capital Expenditures ($M)($M) | 545 | 422 | 332 | 432 | 334 | 308 | 208 | 254 | 217 | 242 | 252 | ||
Common and Preferred Dividends Paid ($M)($M) | 262 | 492 | 242 | 227 | 241 | 485 | 244 | 234 | 242 | 486 | 242 | ||
Total Consolidated Assets ($M)($M)7 | 32,956 | 31,253 | 30,976 | 29,916 | 28,745 | 27,394 | 27,735 | 28,322 | 27,179 | 27,618 | |||
Cash and Cash Equivalents ($M)($M) | 2,504 | 1,755 | 1,526 | 1,648 | 1,491 | 1,359 | 1,768 | 1,613 | 1,419 | 1,365 | |||
Trade Accounts Receivable, Net ($M)($M) | 2,932 | 2,676 | 2,779 | 2,509 | 2,298 | 2,045 | 2,053 | 1,986 | 1,721 | 1,621 | |||
Goodwill ($M)($M) | 2,476 | 2,479 | 2,489 | 2,489 | 2,492 | 2,371 | 2,363 | 2,390 | 2,365 | 2,370 | |||
Other Intangible Assets, Net ($M)($M) | 610 | 632 | 657 | 684 | 711 | 732 | 752 | 814 | 836 | 871 | |||
Current Portion of Long-Term Debt and Short-Term Borrowings ($M)($M) | 668 | 1,255 | 804 | 812 | 786 | 283 | 326 | 335 | 376 | 318 | |||
Long-Term Debt ($M)($M) | 7,756 | 7,718 | 7,630 | 7,407 | 6,714 | 6,954 | 6,885 | 7,073 | 6,908 | 7,050 | |||
Total Corning Incorporated Stockholders' Equity ($M)($M) | 12,560 | 11,812 | 11,807 | 11,536 | 11,116 | 10,716 | 10,686 | 11,103 | 10,585 | 11,226 | |||
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Methodology and excluded metrics
- Fiscal calendar: Corning Incorporated's fiscal year is the calendar year ending December 31 (Q1 = Jan–Mar, Q2 = Apr–Jun, Q3 = Jul–Sep, Q4 = Oct–Dec). Latest reported quarter: Q3 '26 (ended September 30, 2026; Form 8-K and Q3 '26 Investor Presentation filed October 27, 2026). Latest filed Form 10-Q: Q2 '26 (filed August 4, 2026); latest filed Form 10-K: FY2025 (filed February 17, 2026).
- Q1 2025 & Q1 2026 Segment Realignments: Effective Q1 2025, Corning moved Automotive Glass Solutions ($181M in FY24) out of Hemlock and Emerging Growth Businesses into Environmental Technologies to form the Automotive segment. Effective Q1 2026, Corning combined Display ($3,697M in FY25) and Specialty Materials ($2,211M in FY25) into Glass Innovations ($5,908M in FY25), elevated Solar ($1,231M in FY25; Hemlock Semiconductor polysilicon + U.S. solar wafers/modules) into a standalone reportable segment, and combined Life Sciences ($972M in FY25) with Emerging Growth Businesses ($229M in FY25) into Life Sciences and Emerging Growth Businesses ($1,201M in FY25). Full quarterly recasts from Q1 '23 through Q4 '25 were filed on Form 8-K on April 22, 2025 and April 21, 2026.
- Sub-Segment Primary Keys (23 consecutive quarters, Q1 '21–Q3 '26): Optical Communications is decomposed into Enterprise Network ($1,525M in Q3 '26, +84% YoY on Gen AI data center optical interconnect demand) and Carrier Network ($854M in Q3 '26). Automotive is decomposed into Auto, Glass and Other ($310M in Q3 '26) and Heavy-Duty Diesel ($160M in Q3 '26).
- Non-GAAP Core Performance & FX Hedging: Corning reports Core Net Sales, Core Operating Income, Core Net Income, Core EPS, Adjusted Free Cash Flow, and Core ROIC (16.7% in Q3 '26 vs. 8.8% in Q4 '23). Effective January 1, 2025, Corning reset its JPY Core Rate from ¥107/USD to ¥120/USD; effective April 1, 2026 (Q2 '26), Corning prospectively replaced constant-currency reporting with an Adjustment for Hedged Exposures.
- Consolidated vs. Standalone Assessment (Step 3 & Step 4): Under U.S. GAAP, Corning omits parent-only Schedule I financial statements in Form 10-K (restricted net assets of subsidiaries are below the 25% threshold), and its 80.5%-owned subsidiary Hemlock Semiconductor Group is consolidated directly within the Solar segment (with standalone revenue of $723M in FY23, $865M in FY24, $1,231M in FY25, and $1,244M in 9M '26). Therefore, no consolidated − parent subtraction is performed; only the 2 permitted period-split derivations (`Q4 = full year (10-K) − nine months (10-Q)` and `quarter = year-to-date − previous year-to-date (cash flow statement)`) are displayed in italic.
Not shown because recent periods are missing (11)
- 6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL) › Consolidated GAAP Gross Profit ($M) › Restructuring, Impairment and Other Charges and Credits ($M)
- 6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL) › Consolidated GAAP Gross Profit ($M) › Equity in Earnings (Losses) of Affiliated Companies ($M)
- 6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL) › Consolidated GAAP Gross Profit ($M) › GAAP Diluted Earnings Per Share ($)
- 6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL) › Consolidated GAAP Gross Profit ($M) › GAAP Diluted Weighted-Average Shares (M)
- 6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL) › GAAP Cash Flows from Operating Activities ($M) › Cash Dividends Declared per Common Share ($)
- 6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL) › GAAP Cash Flows from Operating Activities ($M) › Repurchases of Common Stock for Treasury ($M)
- FX Exposure Hedged % by Currency (JPY, MXN, CNY, KRW, EUR, TWD) — introduced in Q2 2026 Form 8-K alongside the new Adjustment for Hedged Exposures (only 2 consecutive quarters disclosed: Q2 '26 and Q3 '26; <3 quarters required by Step 5)
- Patent Portfolio — Total Unexpired Patents & Patent Applications prior to FY2018 — narrative format changed in FY2018/FY2022 10-K
- Workforce Unionization % ('more than 66% of employees in the U.S. are covered by collective bargaining agreements') — disclosed only as a one-sided lower bound ('more than 66%'), excluded per Step 5 bound rule
- Springboard Multiyear Agreement with Meta ('up to $6 billion through 2030') — disclosed as an upper bound ('up to $6B'), excluded from cell values per Step 5 bound rule
- Customer Concentration >=10% of Consolidated Revenue (Form 10-K Note 18) — only 1 unnamed Optical customer reached 10% in FY2025 and 1 Display customer in FY2024; replaced on table by the 9-year continuous Segment Customer Concentration table from Item 1A (FY2017–FY2025)
Data updated 2026-10-28.
Every KPI on its own page
Full history, chart, sources and a citation for each metric
1. Segment & Sub-Segment Operations — Optical (Enterprise vs. Carrier), Glass Innovations, Automotive (Auto/Glass vs. Diesel), Solar & Life Sciences (Core)
- Optical Communications — Segment Net Sales ($M)65 periods
- Glass Innovations — Segment Net Sales (Display + Specialty Materials) ($M)11 periods
- Automotive — Segment Net Sales (Substrates, GPF, Heavy-Duty Diesel & Auto Glass) ($M)15 periods
- Solar — Segment Net Sales (Hemlock Semiconductor Polysilicon & U.S. Solar Wafers / Modules) ($M)11 periods
- Life Sciences and Emerging Growth Businesses — Segment Net Sales ($M)11 periods
2. Non-GAAP Core Performance, Core ROIC Reconciliation, Forward Guidance (Through Q4 '26) & FX Hedging Program
- Core Net Sales (Non-GAAP Constant-Currency / Hedged-Rate Revenue) ($M)35 periods
- Adjusted Free Cash Flow ($M) ($M)30 periods
- Core Return on Invested Capital — Core ROIC (%) (%)13 periods
- Next-Quarter Core Net Sales Guidance — Low / Point ($M) ($M)19 periods
- Japanese Yen (JPY per USD) — Core / Hedge Rate Applied to Segment Results (×)11 periods
3. Customer Deposits, Contract Backlog (RPO), Inventory by Stage, Facility Floor Space, Patents & Customer Concentration
- Customer Deposits and Government Incentives — Operating Cash Flow Inflow ($M) ($M)23 periods
- Total Inventories, Net ($M) ($M)71 periods
- Total Facility Floor Space — Worldwide (Million Sq. Ft., Item 2 Properties) (M sq ft)9 periods
- Major Manufacturing Plants — Worldwide (Count)8 periods
- Property, Plant and Equipment — Gross ($M, including Precious Metals Pool) ($M)10 periods
- Total Unexpired Patents in Force — Worldwide (Count)4 periods
- Display Technologies — Top Combined End Customers Share of Segment Sales (%) (%)9 periods
4. Workforce, Safety (TRIR), Pollution Control, 3TG Responsible Minerals (Form SD), Benefit Plans (Form 11-K) & Pay Ratio (DEF 14A)
- Total Full-Time Equivalent Employees — Worldwide (Count)13 periods
- Pollution Control Facilities — Capital Expenditures ($M) ($M)8 periods
- 3TG In-Scope Direct Suppliers Surveyed (Form SD Conflict Minerals)7 periods
- Corning Investment Plan (Salaried 401(k)) — Net Assets Available for Benefits ($M) ($M)8 periods
- Median Employee Annual Total Compensation ($) ($)7 periods
5. External End-Market Demand, Natural Gas, Precious Metal (Platinum/Palladium) & FX Spot Benchmarks
6. Geographic Revenue, Long-Lived Assets by Country & Consolidated GAAP Financial Context (DB + SEC XBRL)
- Consolidated GAAP Net Sales ($M, by Geographic Region & Country) ($M)71 periods
- Total Long-Lived Assets by Country ($M, Annual Form 10-K Note 18) ($M)10 periods
- Consolidated GAAP Gross Profit ($M) ($M)71 periods
- GAAP Cash Flows from Operating Activities ($M) ($M)70 periods
- Total Consolidated Assets ($M) ($M)69 periods