Owens Corning Inc (OC)
Who owns Owens Corning Inc (OC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.0% of the shares are freely tradable; institutional investors hold 107.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 12.13 | 9,765,729 | +0.9 | 12/31/2025 |
| BlackRock Inc | 11.44 | 9,210,864 | -1.5 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.84 | 5,508,121 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.49 | 3,618,028 | +0.0 | 03/31/2026 |
| State Street Corp | 3.81 | 3,064,304 | -0.4 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.43 | 2,764,616 | +7.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| UBS: Global Equity | 5.01 | 4,032,258 | +57.1 | 12/31/2025 |
| iShares Core S&P Mid-Cap ETF | 3.46 | 2,788,247 | +0.0 | 05/29/2026 |
| First Trust RBA Amer Indl RenaisTM ETF | 3.33 | 2,683,505 | +0.1 | 05/31/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.17 | 2,553,159 | +0.2 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 28. Jul 2026 | Canovas De La Nuez Jose Manuel | President, Insulation | Other | 1,070 | 143.13 | 153,149 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.