Owens-Corning (OC) Market Cap 2006–2026

As of November 13, 2026, Owens-Corning had a market cap of $8.939 billion, which decreased by 1.36% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Nov 13, 2026, 4:00 PM ET
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Owens-Corning Inc. (OC)

🌍 United States 📈 NYSE 🏭 Industrials 🏢 Building Products
Latest Market Cap
$8.939B ▼ 1.36%
Start of 2026
$9.198B ▼ 2.82%
1 Year Ago
$8.441B ▲ 5.90%
All-Time High
$18.083B ▼ 50.57%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Owens-Corning Market Cap History by Year and Month

Owens-Corning Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$8.939B▼ 2.82%
$8.939B▼ 6.60%
$9.571B▲ 3.78%
$9.222B▼ 15.47%
$10.91B▼ 2.42%
$11.18B▼ 12.66%
$12.8B▲ 26.36%
$10.13B▲ 2.18%
$9.914B▲ 13.97%
$8.699B▼ 13.27%
$10.03B▲ 1.83%
$9.85B▲ 7.09%
2025$9.198B▼ 36.75%
2024$14.542B▲ 10.38%
2023$13.175B▲ 65.26%
2022$7.972B▼ 12.26%
All market cap values reflect closing prices for the period shown.

📊 Owens-Corning Market Cap and Other Industry Peers

Below are selected companies for comparison based on industry, sub-industry, and sector:


Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.