As of November 10, 2026, Owens Corning is a publicly traded company (NYSE: OC); its largest reported holder is BlackRock, with 10% on Schedule 13G/A of June 4, 2026, then Vanguard (6.88%). The largest insider holding is Brian Chambers, the chairman and chief executive, with 395,537 shares (0.51% of shares outstanding), per Form 4 of February 27, 2026 (Schedule 13G/A, June 4, 2026).
Is this your company?
About to sign with, pay or invest in Owens Corning? See the free Snapshot first.
Free to see. No signup.
Is Owens Corning a real, registered company?
- Owens Corning files with the SEC under CIK 1370946 (its SEC filings).
- Its shares are listed under the ticker OC on NYSE (SEC company record).
- Incorporated in Delaware; business address in Toledo, Ohio, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under OWENS CORNING in our court records and SEC 8-K records (as of 2026-11-10).
- Leadership changes: the latest reported is Jonathan M. Collins, Chief Financial Officer (Form 8-K filed 2026-07-29). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-06-04).
Who are Owens Corning's owners and officers?
Owens Corning: incorporated in Delaware; business address in Toledo, Ohio; industry Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (Form D, 2026-07-29).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-06-04 | Blackrock, Inc. | 10% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.27% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 6.88% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-01-21 | Blackrock, Inc. | 9.6% |
Questions about who owns Owens Corning
Who owns Owens Corning?
On this page, 3 holders' latest ownership filings report 5% or more of Owens Corning: Blackrock, Inc. (10%, Schedule 13G/A, filed 2026-06-04), Vanguard Portfolio Management (6.88%, Schedule 13G, filed 2026-04-29) and Vanguard Capital Management (5.27%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Owens Corning?
By the share each holder's latest filing reports, the largest holders of Owens Corning on this page are Blackrock, Inc. (10%), Vanguard Portfolio Management (6.88%) and Vanguard Capital Management (5.27%).
When did Blackrock, Inc. buy into Owens Corning?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2026-01-21, reporting 9.6%; its latest, Schedule 13G/A filed 2026-06-04, reports 10%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 5 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Want the whole picture on Owens Corning?
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
A Full Report on Owens Corning: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Owens Corning covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
14 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-07-29 | Jonathan M. Collins | Chief Financial Officer | appointed | 2026-08-10 |
| Form 8-K, 2026-07-29 | Todd W. Fister | Chief Operating Officer | appointed | |
| Form 8-K, 2026-05-01 | Todd W. Fister | Chief Financial and Operating Officer | appointed | 2026-05-01 |
Which insiders own Owens Corning shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chairman and chief executive: 395,537 shares (0.51% of shares outstanding) (Form 4, 2026-02-27).
- , the president and composites: 57,469.94 shares (0.07% of shares outstanding) (Form 4, 2025-02-07).
- , a director: 56,046.424 shares (0.07% of shares outstanding) (Form 4, 2026-11-09).
- , a director: 55,482.835 shares (0.07% of shares outstanding) (Form 4, 2026-11-09).
- , the president and chief operating officer: 52,137.81 shares (0.07% of shares outstanding) (Form 4, 2026-09-17).
Shares outstanding: 77,127,914 as of 2026-10-30, from the company's latest SEC cover page.
How much has Owens Corning raised?
No fundraising or offering filing from Owens Corning is on file with us.
Keep reading
More on Owens Corning and the records around it.
Owens Corning elsewhere on the record
- Leadership changes Sep 2026
Companies that share a holder
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/owens-corning