
Owens Corning Inc
OC institutional ownership changes in Q2 2026: 125 institutions opened or added positions, 118 trimmed or exited. OC (Owens Corning Inc) is held by 227 institutional investors as of Q2 2026. Top institutional shareholders: BlackRock, Inc. ($1.4B), Vanguard Portfolio Management LLC ($869.3M), AQR Capital Management LLC ($577.9M). Institutions were buying, on balance.
Who's Trading
Latest move
Source dates: Price Nov 6, 2026 · Insiders Oct 28, 2026 · Activists Jun 4, 2026 · Congress Aug 5, 2026
Top Holders
Showing 1-20 of 248
| Insider | Trade | Traded |
|---|---|---|
| Marcon Rachel Barthelemy | Tax 858 sh | |
| Fister Todd W | Tax 1K sh | |
| Del Monaco Nicolas | Tax 856 sh | |
| Marcon Rachel Barthelemy | Sell $130K | |
| Collins Jonathan Mark | Vest 20K sh | |
| Marcon Rachel Barthelemy | Vest 7K sh | |
| Del Monaco Nicolas | Vest 7K sh | |
| Canovas De La Nuez Jose Manuel | Vest 3K sh | |
| Lonergan Edward F | Vest 581 sh | |
| Williams John David | Vest 296 sh |
| Member | Trade | Traded |
|---|---|---|
| Thomas H Tuberville | Sale $15,001 - $50,000 | |
| Thomas H Tuberville | Sale $15,001 - $50,000 | |
| Thomas H Tuberville | Sale $15,001 - $50,000 | |
| Thomas H Tuberville | Sale $15,001 - $50,000 |
| Filer | Stake | Filed |
|---|---|---|
| BlackRock, Inc. | 10.0% | |
| Vanguard Capital Management | 5.3% | |
| Vanguard Portfolio Management | 6.9% | |
| The Vanguard Group | 0.0% | |
| BlackRock, Inc. | 9.6% |
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Questions investors ask about OC
Who owns OC?
227 institutional investors held OC on June 30, 2026, led by BlackRock, Inc. ($1.4B), Vanguard Portfolio Management LLC ($869.3M) and AQR Capital Management LLC ($577.9M).
How many hedge funds hold OC?
227 institutional investors reported OC in their 13F filings for the quarter ended June 30, 2026, $11.2B in all. 10 of them are rated Elite.
Are institutions buying or selling OC?
Buying, on balance. In Q2 2026, 125 institutions opened or added to positions in OC and 118 institutions trimmed or exited.
Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer