Owens Corning
OC · NYSE
Who owns OC
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 44.2% of OC’s shares.
- BlackRock Institutional Trust Company, N.A.9.5%
- Vanguard Portfolio Management, LLC6.8%
- AQR Capital Management, LLC4.6%
- Vanguard Capital Management, LLC4.5%
- Next 6 largest institutions18.9%
- All other shareholders55.8%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 7.63M | 9.47% |
| Vanguard Portfolio Management, LLC | 5.47M | 6.79% |
| AQR Capital Management, LLC | 3.68M | 4.57% |
| Vanguard Capital Management, LLC | 3.63M | 4.51% |
| State Street Investment Management (US) | 3.10M | 3.85% |
| Dimensional Fund Advisors, L.P. | 2.95M | 3.67% |
| First Trust Advisors L.P. | 2.90M | 3.60% |
| American Century Investment Management, Inc. | 2.26M | 2.80% |
| Davis Selected Advisers, L.P. | 2.08M | 2.58% |
| Geode Capital Management, L.L.C. | 1.93M | 2.39% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.82M | 3.50% |
| Vanguard Total Stock Market Index Fund | 2.56M | 3.18% |
| First Trust RBA Amer Industrial Renaissance ETF | 2.17M | 2.70% |
| Vanguard Small-Cap Index Fund | 1.85M | 2.30% |
| Vanguard Small-Cap Value Index Fund | 1.18M | 1.46% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $447.04K (3 trades) of OC on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Fister Todd W | Tax withholding | 1.18K | $151.83K |
| Del Monaco Nicolas | Tax withholding | 856 | $110.14K |
| Marcon Rachel Barthelemy | Sale | 900 | $129.66K |
| Marcon Rachel Barthelemy | Award | 6.50K | $999.85K |
| Collins Jonathan Mark | Award | 19.50K | $3.00M |
| Del Monaco Nicolas | Award | 6.50K | $999.85K |
| Canovas De La Nuez Jose Manuel | Award | 3.25K | $499.85K |
| Williams John David | Award | 296 | $46.50K |
| Martin Paul Edward | Award | 296 | $46.50K |
| Nimocks Suzanne P | Award | 321 | $50.43K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Ro KhannaHouse | Purchase | $1K–$15K | Oct 24, 2025 |
| Ro KhannaHouse | Purchase | $1K–$15K | Oct 22, 2025 |
| Ro KhannaHouse | Purchase | $1K–$15K | Oct 21, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.40M
- Days to cover
- 2.21
- % of shares outstanding
- 2.98%
- Average daily volume
- 1.09M
- Change since last report
- +2.1%
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