THE INTRADAY

GLW · Company KPIs

Corning (GLW) KPIs

Core ROIC. As reported in SEC filings, with the source line for each figure.

Core ROIC

16.7% for the period ended Sep 30, 2026

Dec 31, 2024: 12.7%Mar 31, 2025: 11.6%Jun 30, 2025: 13.1%Sep 30, 2025: 13.4%Dec 31, 2025: 14.2%Mar 31, 2026: 13.5%Jun 30, 2026: 14.9%Sep 30, 2026: 16.7%Dec 31, 2024Sep 30, 2026

The company’s definition: We define core ROIC as the after-tax core operating income, inclusive of core equity earnings from affiliated companies, as a percentage of invested capital, calculated as total equity plus total long-term debt. Source

Core ROIC, as first reported, with the line it was read from
Period endedFigureFiling text
Sep 30, 202616.7%Core ROIC · 16.7% · 13.4%8-K filed 2026-10-27
Jun 30, 202614.9%Core ROIC · 14.9% · 13.1%8-K filed 2026-07-28
Mar 31, 202613.5%Core ROIC · 13.5% · 11.6%8-K filed 2026-04-28
Dec 31, 202514.2%Core ROIC · 14.2% · 12.7% · 12.4% · 11.2%8-K filed 2026-01-28
Sep 30, 202513.4%Core ROIC · 13.4% · 11.8%8-K filed 2025-10-28
Jun 30, 202513.1%Core ROIC · 14.9% · 13.1%8-K filed 2026-07-28
Mar 31, 202511.6%Core ROIC · 13.5% · 11.6%8-K filed 2026-04-28
Dec 31, 202412.7%Core ROIC · 14.2% · 12.7% · 12.4% · 11.2%8-K filed 2026-01-28

Reading notes

Figures are shown as first reported. If a later filing prints a different figure for the same period, both appear. A figure marked ≈ or shown in words is how the company itself states it, not an estimate of ours. Companies change definitions over time, so compare periods with the quoted definition in mind. Periods that failed our checks are left out, so gaps are expected.

This page shows the latest 8 periods of each metric.