OWENS CORNING (OC) Institutional Ownership and Insiders Activity

OWENS CORNING (OC) is widely held by institutional investors, with 672 firms reporting positions valued at approximately $12.70B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $1.40B in OC holdings in its latest filing.

Recent insider activity includes 24 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.