# Owens Corning (OC) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 690742101
Page URL: https://superinvestorclub.com/stock/OC
Last updated: 2026-08-29T13:49:27.288Z

## Summary

As of the most recent 13F filing period, Owens Corning (OC) is held by 3 tracked superinvestors with an aggregate position value of $597.8M representing 020812131095517584629 shares.

## Top institutional holders (3)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Christopher Davis](https://superinvestorclub.com/manager/75) | Davis Selected Advisers | 2081213 | $330.7M | 1.42% | 2026-06-30 |
| 2 | [Bill Nygren](https://superinvestorclub.com/manager/73) | Harris Associates | 1095517 | $174.1M | 0.23% | 2026-06-30 |
| 3 | [Harry Burn](https://superinvestorclub.com/manager/81) | Sound Shore Management | 584629 | $92.9M | 2.86% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-09-30: 2 holders, $502.9M aggregate, 036846242364 shares
- 2023-12-31: 2 holders, $398.6M aggregate, 026858083522 shares
- 2024-03-31: 3 holders, $408.3M aggregate, 023161991256595755 shares
- 2024-06-30: 2 holders, $408.0M aggregate, 0227572972842 shares
- 2024-09-30: 2 holders, $387.1M aggregate, 0215329539907 shares
- 2024-12-31: 2 holders, $310.8M aggregate, 0181126313693 shares
- 2025-03-31: 3 holders, $279.0M aggregate, 0178724211257853671 shares
- 2025-06-30: 4 holders, $304.7M aggregate, 0176909326204514044943859 shares
- 2025-09-30: 4 holders, $342.7M aggregate, 01777367261960222087161500 shares
- 2025-12-31: 4 holders, $394.3M aggregate, 02046583950000280528246565 shares
- 2026-03-31: 3 holders, $390.5M aggregate, 02100935915393592330 shares
- 2026-06-30: 3 holders, $597.8M aggregate, 020812131095517584629 shares

## Recent congressional trades (5)

- 2025-10-24: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-22: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-21: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-07: Tommy Tuberville (Republican-AL) sale $15,001 - $50,000
- 2024-10-29: Tommy Tuberville (Republican-AL) sale $15,001 - $50,000

## Recent insider transactions (0)


## Citation

When citing, use: "Owens Corning (OC) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/OC), aggregating SEC 13F, Form 4, and congressional disclosures."