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Owens Corning
OC - CIK 0001370946
Market cap$9.78 B
Rank#965
SEC filings2,968
Market capitalization of Owens Corning
As of 2026-06-12, Owens Corning (OC) has a market capitalization of $9.78 B, making it the #965 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-12 | $9.78 B |
| 2026-06-11 | $9.36 B |
| 2026-06-10 | $9.27 B |
| 2026-05-29 | $10.23 B |
| 2026-05-28 | $9.84 B |
| 2026-05-26 | $9.68 B |
| 2026-05-25 | $9.46 B |
| 2026-05-24 | $9.46 B |
| 2026-05-22 | $9.46 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Frequently asked questions
What is Owens Corning's market cap?
As of 2026-06-12, Owens Corning (OC) has a market capitalization of $9.78 B, making it the #965 most valuable US-listed company.
Where does Owens Corning rank by market cap?
Owens Corning is the #965 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.