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GLW CORNING INC

NYSEMaterialsDrawing & Insulating of Nonferrous WireCorning, NYFY ends December 31

Profitable 5/5: Fiscal years with net income above zero, out of the last five reported.FY2025 10-K filed Feb 12, 2026 (SEC EDGAR)

FY2025 at a glance

Fundamentals from SEC filings, not quotes
Revenue
$15.6BYoYup 19.14%ended Dec 31, 2025
Net income
$1.6B10.2% margin
Diluted EPS
$1.83YoYup 215.52%
Free cash flow
—
Cash
$1.53BNet debt $6.9B
Total debt
$8.43BD/E 0.71×
About CORNING INC

Overview

CORNING INC (GLW) is listed on NYSE; the SEC classifies it under "Drawing & Insulating of Nonferrous Wire".

For fiscal 2025 (ended Dec 31, 2025) it reported revenue of $15.63B, up 19.1% from fiscal 2024.

Net income was $1.6B, a net margin of 10.2%.

At fiscal year end it had total assets of $30.98B and stockholders' equity of $11.81B (38.1% of assets).

Fiscal years shown
FY2016–FY2025 (10 years)
Latest 10-K
Feb 12, 2026
Latest filing
10-QOct 29, 2026
FY2016–FY2025 · annual 10-K

Charts

Revenue and net income

Revenue and net income, fiscal years FY2016 to FY2025.
PeriodRevenueNet incomeNet margin
FY2016—$3.7B—
FY2017—-$497M—
FY2018$11.3B$1.07B9.4%
FY2019$11.5B$960M8.3%
FY2020$11.3B$512M4.5%
FY2021$14.1B$1.91B13.5%
FY2022$14.2B$1.32B9.3%
FY2023$12.6B$581M4.6%
FY2024$13.1B$506M3.9%
FY2025$15.6B$1.6B10.2%

Gross, operating and net margin

Gross, operating and net margin, fiscal years FY2016 to FY2025.
PeriodGross marginOperating marginNet margin
FY2016———
FY2017———
FY201839.5%14.0%9.4%
FY201935.1%11.4%8.3%
FY202031.2%4.5%4.5%
FY202136.0%15.0%13.5%
FY202231.8%10.1%9.3%
FY202331.2%7.1%4.6%
FY202432.6%8.7%3.9%
FY202536.0%14.6%10.2%

Diluted EPS

Diluted EPS, fiscal years FY2016 to FY2025.
PeriodEPS (diluted)
FY2016$3.23
FY2017-$0.66
FY2018$1.13
FY2019$1.07
FY2020$0.54
FY2021$1.28
FY2022$1.54
FY2023$0.68
FY2024$0.58
FY2025$1.83

Diluted shares

Diluted shares, fiscal years FY2016 to FY2025.
PeriodDiluted shares (weighted)
FY20161.14B
FY2017895M
FY2018941M
FY2019899M
FY2020772M
FY2021844M
FY2022857M
FY2023859M
FY2024869M
FY2025871M

Cash vs total debt

Cash vs total debt, fiscal years FY2016 to FY2025.
PeriodCash & equivalentsTotal debt
FY2016$5.29B$3.9B
FY2017$4.32B$5.13B
FY2018$2.36B$6B
FY2019$2.43B$7.74B
FY2020$2.67B$7.97B
FY2021$2.15B$7.04B
FY2022$1.67B$6.91B
FY2023$1.78B$7.53B
FY2024$1.77B$7.21B
FY2025$1.53B$8.43B

Each bar is one fiscal year as reported in its 10-K; bars below the zero line are negative and gaps are years not reported. Per-share figures are as reported, not adjusted for stock splits; comparisons across a likely split are left blank.

FY2025 · 5-year trend

Ratios

Profitability

Gross margin
36.0%
Operating margin
14.6%
Net margin
10.2%
Return on equity
14.2%
Return on assets
5.4%

Growth

Growth. Compound annual growth: (end ÷ start)^(1 ÷ years) − 1, both ends positive.
Metric1y3y CAGR5y CAGR9y CAGR
Revenueup 19.14%up 3.27%up 6.70%—
EPS (diluted)up 215.52%up 5.92%up 27.65%down 6.12%
Free cash flow————
Change in share count
+0.23%

Financial strength

Current ratio
1.59×
Debt / equity
0.71×
Liabilities / assets
60.3%
Net debt
$6.9B
Interest coverage
6.78×
Equity / assets
38.1%

Shareholder returns

Dividends per share
$1.12
Buybacks
$163M
Stock comp. / revenue
1.8%
Piotroski F-Score · Altman Z''-Score

Quality screens

Piotroski F-Score

7 of 9 checks passed

FY2025 vs FY2024

  • PassPositive return on assets5.8%
  • PassPositive operating cash flow$2.7B
  • PassReturn on assets improved5.8% vs 1.8%
  • PassOperating cash flow above net income9.7% vs 5.8%
  • PassLong-term debt / assets fell24.6% vs 24.8%
  • FailCurrent ratio improved1.59× vs 1.62×
  • FailNo increase in share count871M vs 869M
  • PassGross margin improved36.0% vs 32.6%
  • PassAsset turnover improved0.56× vs 0.46×

Altman Z''-Score

Safe zone (above 2.60)

FY2025

Altman Z''-Score: Components
ComponentsRatioWeightPoints
Working capital / assets0.107×6.560.70
Retained earnings / assets0.534×3.261.74
Operating income / assets0.074×6.720.49
Equity / liabilities0.632×1.050.66
Z''3.60

Screening heuristic, not a recommendation. Per-share figures are as reported, not adjusted for stock splits; comparisons across a likely split are left blank.

Last 10 fiscal years · newest first

Financial statements

USD millions, except per-share figures (USD). Share counts in millions.

Income statement

Income statement. USD millions, except per-share figures (USD). Share counts in millions.
MetricFY2025Dec 31, 2025FY2024Dec 31, 2024FY2023Dec 31, 2023FY2022Dec 31, 2022FY2021Dec 31, 2021FY2020Dec 31, 2020FY2019Dec 31, 2019FY2018Dec 31, 2018FY2017Dec 31, 2017FY2016Dec 31, 2016
Revenue15,62913,11812,58814,18914,08211,30311,50311,290——
YoY (Revenue)+19.14%+4.21%-11.28%+0.76%+24.59%-1.74%+1.89%———
Gross profit5,6214,2763,9314,5065,0633,5314,0354,4614,0323,746
Research & development8008009009008001,000833807689637
Selling, general & admin.2,1221,9311,8431,8981,8271,7471,5851,7991,4671,472
Operating income2,2791,1358901,4382,1125091,3061,5751,6301,391
Interest expense336329————————
Pretax income2,0528138161,7972,3976231,2161,5031,657—
Income tax3102211684114911112564372,154-3
Net income1,5965065811,3161,9065129601,066-4973,695
YoY (Net income)+215.42%-12.91%-55.85%-30.95%+272.27%-46.67%-9.94%—-113.45%—
EPS (basic)1.870.590.691.561.300.541.111.19-0.663.53
EPS (diluted)1.830.580.681.541.280.541.071.13-0.663.23
YoY (EPS (diluted))+215.52%-14.71%-55.84%+20.31%+137.04%-49.53%-5.31%—-120.43%—
Diluted shares (weighted)8718698598578447728999418951,144

Balance sheet

Balance sheet. USD millions, except per-share figures (USD). Share counts in millions.
MetricFY2025Dec 31, 2025FY2024Dec 31, 2024FY2023Dec 31, 2023FY2022Dec 31, 2022FY2021Dec 31, 2021FY2020Dec 31, 2020FY2019Dec 31, 2019FY2018Dec 31, 2018FY2017Dec 31, 2017FY2016Dec 31, 2016
Cash & equivalents1,5261,7681,7791,6712,1482,6722,4342,3554,3175,291
Receivables2,7792,0531,5721,7212,0042,1331,8361,9401,8071,481
Inventory3,0772,7242,6662,9042,4812,4382,3202,0371,7121,471
Current assets8,9367,9927,2127,4537,6598,0047,4637,0348,8279,048
Goodwill2,4892,3632,3802,3942,4212,4601,9351,9361,6941,577
Intangible assets6577529051,0291,1481,3081,1851,292869796
Total assets30,97627,73528,50029,49930,15430,77528,89827,50527,49427,899
Current liabilities5,6284,9194,3195,1754,8063,7673,5213,3113,2092,751
Short-term debt79532632022455156114379256
Long-term debt7,6306,8857,2066,6876,9897,8167,7295,9944,7493,646
Total liabilities18,66916,66516,63217,22417,60917,32715,90113,61911,7249,939
Retained earnings16,55115,92616,39116,77816,38916,12016,40816,30315,93016,880
Stockholders' equity11,80710,68611,55112,00812,33313,25712,90713,79215,69817,893
Shares outstanding858857853847846768764787857928

Cash flow

Cash flow. USD millions, except per-share figures (USD). Share counts in millions.
MetricFY2025Dec 31, 2025FY2024Dec 31, 2024FY2023Dec 31, 2023FY2022Dec 31, 2022FY2021Dec 31, 2021FY2020Dec 31, 2020FY2019Dec 31, 2019FY2018Dec 31, 2018FY2017Dec 31, 2017FY2016Dec 31, 2016
Operating cash flow2,6951,9392,0052,6153,4122,1802,0312,9192,004—
Stock-based compensation28627321817519020756514642
Share repurchases163165—2212741059402,2272,4524,227
Dividends per share1.121.121.121.080.960.880.800.720.620.54
Key financials (annual, 10-K)

Values as reported in each fiscal year's Form 10-K (XBRL data on SEC EDGAR); growth and ratios are computed from those values. Revenue is the total revenue figure the company tagged (omitted when the only figure tagged is evidently partial, e.g. below net income); growth is only shown between consecutive ~12-month fiscal years reported with the same revenue measure. Per-share figures and share counts are as reported and not adjusted for later stock splits. — = not reported.

FY2025 · per diluted weighted share

Per share and valuation context

EPS (diluted)
$1.83
Revenue per share
$17.94
Book value per share
$13.56
Tangible book per share
$9.94
Cash per share
$1.75
Dividends per share
$1.12
Public floatas of Jun 30, 2025
$45B

Price ratios need a live quote. This page shows no stock prices. Per-share figures are as reported, not adjusted for stock splits; comparisons across a likely split are left blank.

Price ratio calculator

Type a share price to compute ratios from the latest 10-K figures. Nothing is stored or sent. (FY2025)

Market capPrice × diluted weighted shares
—
P/EPrice ÷ diluted EPS
—
P/BPrice ÷ book value per share
—
P/SPrice ÷ revenue per share
—
P/FCFPrice ÷ FCF per share
—
Dividend yieldDividends per share ÷ price
—
SEC EDGAR

Filing timeline

  1. 10-QNew
    Quarterly report· Sep 30, 2026(SEC EDGAR)
  2. 8-K
    Current report· Oct 27, 2026(SEC EDGAR)
    • 2.02Results of operations
    • 9.01Financial statements and exhibits
  3. 8-K
    Current report· Sep 11, 2026(SEC EDGAR)
    • 8.01Other events
    • 9.01Financial statements and exhibits
  4. 8-K
    Current report· Sep 4, 2026(SEC EDGAR)
    • 7.01Regulation FD disclosure
  5. 10-Q
    Quarterly report· Jun 30, 2026(SEC EDGAR)
  6. 8-K
    Current report· Jul 28, 2026(SEC EDGAR)
    • 2.02Results of operations
  7. 8-K
    Current report· May 15, 2026(SEC EDGAR)
    • 7.01Regulation FD disclosure
  8. 8-K
    Current report· May 6, 2026(SEC EDGAR)
    • 3.02Unregistered sale of equity
    • 7.01Regulation FD disclosure
    • 9.01Financial statements and exhibits
  9. 8-K
    Current report· May 4, 2026(SEC EDGAR)
    • 7.01Regulation FD disclosure
  10. 8-K
    Current report· Apr 30, 2026(SEC EDGAR)
    • 5.07Shareholder vote results
All filings on SEC EDGAR

Frequently asked questions

What does CORNING INC do?

The SEC classifies CORNING INC under Standard Industrial Classification (SIC) code 3357, "Drawing & Insulating of Nonferrous Wire". It is headquartered in Corning, NY. It is incorporated in NY. In fiscal 2025 it reported revenue of $15.63B and net income of $1.6B in its annual 10-K report.

What was CORNING INC's revenue in 2025?

CORNING INC reported revenue of $15.63B for fiscal 2025, which ended Dec 31, 2025, up 19.1% from $13.12B in fiscal 2024, according to its annual 10-K report filed with the SEC on Feb 12, 2026.

What was CORNING INC's net income in 2025?

CORNING INC reported net income of $1.6B for fiscal 2025, a net margin of 10.2% of revenue.

Where is CORNING INC listed?

According to the SEC, CORNING INC's ticker GLW is listed on NYSE.

When does CORNING INC's fiscal year end?

According to the SEC, CORNING INC's fiscal year ends on December 31; its latest reported fiscal year (2025) ended Dec 31, 2025.

Source: SEC EDGAR · Last updated:

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Not investment advice: This page shows financial data that companies reported to the US Securities and Exchange Commission, for information only. It is not investment advice or a recommendation to buy or sell any security, and it shows no stock prices. Data may be incomplete, restated or out of date — check the original filings on SEC EDGAR before making decisions.