As of November 6, 2026, Sotera Health Co is a publicly traded company (Nasdaq: SHC); its largest reported holder is Sessa Capital IM, L.P., with 9.5% on Schedule 13G/A of August 14, 2026, then Sculptor Capital LP (8.41%). The largest insider holding is Michael B. Petras, the chairman and a director, with 4,367,305 shares (1.5% of shares outstanding), per Form 4 of August 19, 2026 (Schedule 13G/A, August 14, 2026).
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Is Sotera Health Co a real, registered company?
- Sotera Health Co files with the SEC under CIK 1822479 (its SEC filings).
- Its shares are listed under the ticker SHC on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Broadview Heights, 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 Sotera Health Co in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is James C. Neary, Director (Form 8-K filed 2026-08-14). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Vanguard (filed 2026-10-30).
Who are Sotera Health Co's owners and officers?
Sotera Health Co: incorporated in Delaware; business address in Broadview Heights, Ohio; industry Services-Misc Health & Allied Services, NEC (Schedule 13G, 2026-10-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-10-30 | Vanguard Capital Management | 5.12% |
| Schedule 13G/A, 2026-10-09 | Sachem Head Capital Management LP | 0% |
| Schedule 13G/A, 2026-08-14 | Sessa Capital Im, L.P. | 9.5% |
| Schedule 13G/A, 2026-08-14 | Sculptor Capital LP | 8.41% |
| Schedule 13G/A, 2026-07-30 | Blackrock, Inc. | 8.4% |
| Schedule 13G, 2026-05-15 | Sachem Head Capital Management LP | 5.46% |
| Schedule 13G/A, 2026-05-15 | Gtcr Investment Xi LLC | 0% |
| Schedule 13G/A, 2026-05-15 | Warburg Pincus & Co. | 0% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-03-10 | Gtcr Investment Xi LLC | 11.2% |
| Schedule 13G/A, 2026-03-10 | Warburg Pincus & Co. | 11.2% |
| Schedule 13G, 2026-02-17 | Sessa Capital Gp, LLC | 7.23% |
Questions about who owns Sotera Health Co
Who owns Sotera Health Co?
On this page, 5 holders' latest ownership filings report 5% or more of Sotera Health Co: Sessa Capital Im, L.P. (9.5%, Schedule 13G/A, filed 2026-08-14), Sculptor Capital LP (8.41%, Schedule 13G/A, filed 2026-08-14), Blackrock, Inc. (8.4%, Schedule 13G/A, filed 2026-07-30), Sessa Capital Gp, LLC (7.23%, Schedule 13G, filed 2026-02-17) and Vanguard Capital Management (5.12%, Schedule 13G, filed 2026-10-30).
Who are the largest shareholders of Sotera Health Co?
By the share each holder's latest filing reports, the largest holders of Sotera Health Co on this page are Sessa Capital Im, L.P. (9.5%), Sculptor Capital LP (8.41%) and Blackrock, Inc. (8.4%).
When did Sessa Capital Im, L.P. buy into Sotera Health Co?
The filings give report dates, not purchase dates. The earliest filing from Sessa Capital Im, L.P. on this page is the Schedule 13G/A, filed 2026-08-14, reporting 9.5%. 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%); 12 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.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-14 | James C. Neary | Director | departed | 2026-08-13 |
| Form 8-K, 2026-05-05 | Alton Shader | Chief Executive Officer | appointed | 2026-05-26 |
| Form 8-K, 2026-05-05 | Michael B. Petras | Chairman of the Board | appointed | |
| Form 8-K, 2026-05-05 | Michael B. Petras | Executive Chairman | appointed |
Which insiders own Sotera Health Co 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 a director: 4,367,305 shares (1.5% of shares outstanding), 397,912 held directly and 3,969,393 indirectly (Form 4, 2026-08-19).
- , the chief executive and a director: 955,512 shares (0.33% of shares outstanding) (Form 4, 2026-05-27).
- , the president: 334,279 shares (0.12% of shares outstanding) (Form 4, 2026-08-11).
- , the general counsel and former senior vice president: 312,040 shares (0.11% of shares outstanding) (Form 4, 2026-04-02).
- , the president and chief financial officer: 217,304 shares (0.08% of shares outstanding) (Form 4, 2026-08-07).
Shares outstanding: 285,630,846 as of 2026-10-27, from the company's latest SEC cover page.
How much has Sotera Health Co raised?
No fundraising or offering filing from Sotera Health Co is on file with us.
Keep reading
More on Sotera Health Co and the records around it.
Sotera Health Co elsewhere on the record
- 5%+ stake filings Oct 2026
- Leadership changes Aug 2026
Companies that share a holder
- GTCR INVESTMENT XI LLC also filed stake reports on 1 other company: Vivid Seats Inc. (Nov 2025)
- Sachem Head Capital Management LP also filed stake reports on 1 other company: Ionic Digital Inc. (Oct 2026)
- Sessa Capital (Master), L.P. also filed stake reports on 2 other companies: Fortrea Holdings Inc. (Feb 2026), Garrett Motion Inc. (Aug 2025)
Related pages
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