Owens Corning
OC- Exchange
- NYSE
- Industry
- Abrasive, Asbestos & Misc Nonmetallic Mineral Prods
- SEC CIK
- 0001370946
In the last 90 days, Owens Corning insiders filed 0 open-market purchases and 1 sale; 693 institutions reported holding it in 13F filings for Q2 2026, worth $13.1B in total; Harris Associates (Oakmark) is the only superinvestor holding it.
Superinvestors holding OC, Q2 2026
1 superinvestor reports holding Owens Corning on Form 13F, worth $174.1M in total. Weight is Owens Corning's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Harris Associates (Oakmark)Bill Nygren | 0.2% | 1,095,517 | $174.1M | Added+19.7% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of OC each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
1 superinvestor holding at quarter end
- Added
- Harris Associates (Oakmark) (+19.7%)
Q1 2026
1 superinvestor holding at quarter end
- Added
- Harris Associates (Oakmark) (+226.3%)
- Sold out
- Appaloosa
Q4 2025
2 superinvestors holding at quarter end
- Added
- Appaloosa (+488.2%), Harris Associates (Oakmark) (+7.1%)
Q3 2025
2 superinvestors holding at quarter end
- New
- Appaloosa
- Reduced
- Harris Associates (Oakmark) (0.0%)
- Sold out
- Soros Fund Management
Q2 2025
2 superinvestors holding at quarter end
- New
- Harris Associates (Oakmark)
- Added
- Soros Fund Management (+1.0%)
Q1 2025
1 superinvestor holding at quarter end
Q2 2024
0 superinvestors holding at quarter end
- Sold out
- Maverick Capital
Q1 2024
1 superinvestor holding at quarter end
- Added
- Maverick Capital (+63.4%)
- Sold out
- Appaloosa
Q4 2023
2 superinvestors holding at quarter end
- New
- Appaloosa
- Added
- Maverick Capital (+49.0%)
Q3 2023
1 superinvestor holding at quarter end
Q3 2021
0 superinvestors holding at quarter end
- Sold out
- Maverick Capital
Q2 2021
1 superinvestor holding at quarter end
- Reduced
- Maverick Capital (−28.8%)
- Sold out
- Greenhaven Associates