Institutional shares held 76.5 Million
235K calls
204K puts
Total value of holdings $7.79B
$24M calls
$20.7M puts
Market Cap $9.52B
93,456,304 Shares Out.
Institutional ownership 81.83%
# of Institutions 803


Latest Institutional Activity in OC

Top Purchases

Q3 2025
Clean Energy Transition LLP Shares Held: 532K ($54.1M)
Q3 2025
Jpmorgan Chase & CO Shares Held: 911K ($92.8M)
Q3 2025
Select Equity Group, L.P. Shares Held: 472K ($48.1M)
Q3 2025
Ubs Asset Management Americas Inc Shares Held: 1.14M ($116M)
Q3 2025
Assenagon Asset Management S.A. Shares Held: 489K ($49.8M)

Top Sells

Q3 2025
Nordea Investment Management Ab Shares Held: 735K ($74.9M)
Q3 2025
Millennium Management LLC Shares Held: 125K ($12.7M)
Q3 2025
Citadel Advisors LLC Shares Held: 31.3K ($3.19M)
Q3 2025
Amundi Shares Held: 596K ($60.7M)
Q3 2025
Marshall Wace, LLP Shares Held: 49.6K ($5.05M)

About OC

Owens Corning manufactures and markets insulation, roofing, and fiberglass composite materials in the United States, Canada, Europe, the Asia Pacific, and internationally. It operates in three segments: Composites, Insulation, and Roofing. The Composites segment manufactures, fabricates, and sells glass reinforcements in the form of fiber; and glass fiber products in the form of fabrics, non-wovens, and other specialized products. Its products are used in building structures, roofing shingles, tubs and showers, pools, flooring, pipes and tanks, poles, electrical equipment, and wind-energy turbine blades applications in the building and construction, renewable energy, and infrastructure markets. This segment sells its products directly to parts molders, fabricators, and shingle manufacturers. The Insulation segment manufactures and sells insulation products for residential, commercial, industrial, and other markets for thermal and acoustical applications; and glass fiber pipe insulation, flexible duct media, bonded and granulated mineral fiber insulation, cellular glass insulation, and foam insulation products used in construction applications. This segment sells its products primarily to the insulation installers, home centers, lumberyards, retailers, and distributors under the Thermafiber, FOAMULAR, FOAMGLAS, Paroc, Owens Corning PINK, and FIBERGLAS Insulation brand names. The Roofing segment manufactures and sells aminate and strip asphalt roofing shingles, oxidized asphalt materials, and roofing components used in residential and commercial construction, and specialty applications, as well as synthetic packaging materials. This segment sells its products through distributors, home centers, lumberyards, retailers, and contractors, as well as to roofing contractors for built-up roofing asphalt systems; and manufacturers in automotive, chemical, rubber, and construction industries. Owens Corning was incorporated in 1938 and is headquartered in Toledo, Ohio.


Insider Transactions at OC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
203K Shares
From 21 Insiders
Grant, award, or other acquisition 203K shares
Sell / Disposition
101K Shares
From 18 Insiders
Payment of exercise price or tax liability 79.3K shares
Open market or private sale 21.5K shares

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