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%
Corning core Gross Margin (% of Core Net Sales) (%)
Quarterly figures from Corning's filings and investor materials
Latest, Q3 '26
40.5%
Period ended Sep 30, 2026
Change on a year earlier
+1.5 pts
39.0% in Q3 '25
History
31 quarters
Since Q2 '18
Sources
22
Documents cited below
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
Cite this data
StockData. (2026). Corning Core Gross Margin (% of Core Net Sales) (%), quarterly Q2 '18–Q3 '26 [Data set]. Compiled from Corning SEC filings and investor materials. https://stockdatahq.com/stocks/glw/kpis/core-gm-pct
See every metric in the Corning KPI table. Data updated Oct 28, 2026.