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Corning (GLW) earnings and revenue breakdown

Latest: Q3 2026 · 10-Q filed Oct 29, 2026 · Corning (GLW) Q3 2026 earnings results →

Q3 2026 Revenue up 18% year over year to $4.9B · 14¢ of every $1 of revenue kept as net profit · operating margin 18.8%

Corning made $4.9B in Q3 2026 (+18% Y/Y): Optical communications products $2.4B, Electronics glass and advanced optics products $1.3B, Automotive products $471M. Operating margin 18.8%, net earnings $680M. See where every dollar goes — costs, profit and cash — as a Sankey from the 10-Q filed Oct 29, 2026.

Revenue$4.9B
Year over year+18%
Operating margin18.8%
Net earnings$680M
Operating cash flow$1.1B

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Corning Q3 2026 revenue breakdown: Sankey diagram of revenue (Optical communications products, Electronics glass and advanced optics products, Automotive products, Polycrystalline silicon and solar products), costs, profit and cash flow
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What changed this quarter

Revenue was $4.9B in Q3 2026, up 18% year over year and up 8% from the previous quarter. Optical communications products was the largest line at 49% of revenue. Optical communications products added $0.73B year over year (up 44%), 96% of the total change. All other products declined 9%.

Gross margin was 37.3%, up 0.2 points from Q3 2025. Operating profit was $0.91B, a 18.8% margin (up 4.4 points year over year). Of the extra revenue versus Q3 2025, 43% reached operating profit, above the 14% margin then. Operating expenses fell 3% while revenue rose 18%. Net earnings were $0.68B, up 58% year over year. The effective tax rate was 22.9%.

Operating cash flow was $1.1B (up 35% year over year), 142% of net income including minority interests. Non-cash charges added back $0.39B of depreciation and amortization and $0.05B of share-based compensation. Working capital and other items used $0.13B. Capital expenditures of $0.55B left free cash flow of $0.52B.

Quarterly history

Corning revenue by quarterCorning revenue by quarter$3.5BQ1 2025$3.9BQ2 2025$4.1BQ3 2025$4.2BQ4 2025$4.1BQ1 2026$4.5BQ2 2026$4.9BQ3 2026
Corning net earnings by quarterCorning net earnings by quarter$157MQ1 2025$469MQ2 2025$430MQ3 2025$540MQ4 2025$371MQ1 2026$559MQ2 2026$680MQ3 2026
QuarterFormFiledRevenueY/YOp. marginNet earningsOp. cash flow
Q3 202610-QOct 29, 2026$4.9B+18%18.8%$680M$1.1B
Q2 202610-QJul 29, 2026$4.5B+17%15.5%$559M$1.7B
Q1 202610-QMay 1, 2026$4.1B+20%15.4%$371M$362M
Q4 202510-KFeb 12, 2026$4.2B+20%15.9%$540M$1.1B
Q3 202510-QOct 31, 2025$4.1B+21%14.4%$430M$784M
Q2 202510-QAug 1, 2025$3.9B+19%14.8%$469M$708M
Q1 202510-QMay 2, 2025$3.5B+16%12.9%$157M$151M

Charts

Corning: revenue growth, year over year and quarter over quarterCorning: revenue growth, year over year and quarter over quarterY/YQ/Q+16%Q1 2025+19%+12%Q2 2025+21%+6%Q3 2025+20%+3%Q4 2025+20%-2%Q1 2026+17%+9%Q2 2026+18%+8%Q3 2026
Latest (Q3 2026): Y/Y +18%, Q/Q +8%.
Corning: where the cash came from (+) and went (−), TTM to Q3 2026Corning: where the cash came from (+) and went (−), TTM to Q3 2026Operating cash flow$4.2BCapital spending−$1.7BDividends−$1.0BNet borrowing (+) / repaid (−)−$991MCash drawn (+) / kept (−)−$903MOther financing$455MTaxes on employees’ shares−$305MOther investing$248MShares issued$34.0MExchange rates$13.0M
From the cash-flow statement as filed (SEC XBRL). Cash is fungible: the bars do not say which dollar paid for what.
Corning: profit against cash, quarter by quarterCorning: profit against cash, quarter by quarterNet incomeOperating cash flow$340M$623MQ4 2024$185M$151MQ1 2025$500M$708MQ2 2025$470M$784MQ3 2025$587M$1.1BQ4 2025$408M$362MQ1 2026$609M$1.7BQ2 2026$746M$1.1BQ3 2026
Latest (Q3 2026): Net income $746M, Operating cash flow $1.1B.
Corning: diluted shares by fiscal yearCorning: diluted shares by fiscal year772MFY2020844MFY2021857MFY2022859MFY2023869MFY2024871MFY2025
+12.8% since FY2020: more shares outstanding (issuance, stock pay).
Corning: long-term debt falling due (FY2025)Corning: long-term debt falling due (FY2025)$804M2026$401M2027$296M2028$302M2029$298M2030$6.4BLater
Cash $1.5B, short-term investments —, long-term debt $8.4B at 2025-12-31.

In supply chains and themes

AI data-center capex money flowAI data-center capex · Optics & interconnect

Interactive views

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💵Where each $1 goesinteractive

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🌏Named in Asian annual reportsinteractive

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🔄Rotation against the market and its industry (RRG)interactive

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🏭Its industry’s money flow (input-output)interactive

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About Corning

Corning traces its origins to a glass business established in 1851. The present corporation was incorporated in the State of New York in December 1936. The Company’s name was changed from Corning Glass Works to Corning Incorporated on April 28, 1989. Corning is vital to progress – in the industries we help advance and in the world we share. With a 175-year track record of life-changing inventions, Corning applies its unparalleled expertise in glass science, ceramic science and optical physics, along with its deep manufacturing and engineering capabilities to develop category-defining products that transform industries and enhance people’s lives. Our materials science and manufacturing expertise, boundless curiosity and commitment to purposeful invention place us at the center of the way the world works, learns and lives.

In its own words, from its 10-K, filed Feb 12, 2026.

Corning against its Drawing & Insulating of Nonferrous Wire peers

The largest companies of the same SEC industry, each at its latest quarter. Revenue growth: +18% against the peers' median +22%. Operating margin: 18.8% against the peers' median 8.7%.

CompanyQuarterRevenueY/YOp. margin
GLW CorningQ3 2026$4.9B+18%18.8%
BDC BeldenQ3 2026$966M+38%1.7%
OCC Optical CableQ3 FY26$24.3M+22%8.7%

Source: Corning 10-Q on SEC EDGAR · CIK 24741 · Drawing & Insulating of Nonferrous Wire

Guidance and outlook

Corning Revenue: guidance against what was reportedCorning Revenue: guidance against what was reportedguided rangereported (above / within / below)Q3 2026$4.9B
Met or beat 1 of 1 guided periods. Grey: the last range guided before the figures came out; dot: the reported figure.

13F: who owns GLW and who is buying

Largest holders of GLW (13F)Largest holders of GLW (13F)BlackRock$16.8BVanguard Capital Management LLC$13.0BState Street$10.5BVanguard Group$8.7BCapital Research Global Investors$6.3BFMR LLC$6.1BVanguard Portfolio Management LLC$4.8BBank of America$4.8BGeode Capital Management, LLC$4.7BMorgan Stanley$3.9B
Funds' net buying of GLW by quarter (13F)Funds' net buying of GLW by quarter (13F)−$182M2024-09$89.7M2024-12$411M2025-03$391M2025-06−$55.2M2025-09−$265M2025-12$191M2026-03−$3.9B2026-06
Value of shares 13F filers added minus the value they sold, each quarter (quarters with most filings in).

More on GLW

History

Every quarter: Q3 2026 results · Q2 2026 results · Q1 2026 results · Q4 2025 results · Q3 2025 results · Q2 2025 results · Q1 2025 results

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