# Owens Corning (OC): value investors who own it | moatshark

2 value investors held Owens Corning in their Q3 2026 13F, led by Davis Selected Advisers, Harris Associates (Oakmark).

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Davis Selected Advisers | 1.4% | $331m | Trimmed -0.9% | 31 |
| Harris Associates (Oakmark) | 0.2% | $174m | Added +20% | 5 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-08-28 | Marcon Rachel Barthelemy | President, Doors | Sold | 900 | $130k |

## Fund holders

| Fund | Manager | Weight | Value | As at |
| --- | --- | --- | --- | --- |
| Oakmark Global Fund | Harris Associates (Oakmark) | 1.7% | $18.3m | 2026-06-30 |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/oc). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.