Owens Corning (OC) ownership: insiders 1% · institutions 106% (13F 2026-03-31). Insider activity, 90 days: Routine (1 sales, 0 open-market buys). 6 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Vanguard | 9790565.00 | $1.06B | 12.2% | 2026-03-31 |
| BlackRock | 9210864.00 | $996.80M | 11.4% | 2026-03-31 |
| State Street | 3064304.00 | $334.00M | 3.8% | 2026-03-31 |
| Dimensional Fund Advisors | 2764616.00 | $299.17M | 3.4% | 2026-03-31 |
| UBS | 2637948.00 | $285.48M | 3.3% | 2026-03-31 |
| AQR Capital Management | 2540023.00 | $271.38M | 3.2% | 2026-03-31 |
| First Trust Advisors LP | 2179214.00 | $235.83M | 2.7% | 2026-03-31 |
| Davis Selected Advisers | 2100935.00 | $227.36M | 2.6% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-28 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-07 | |
| Sell | null | 2026-08-06 | |
| Sell | null | 2026-08-06 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.