As of November 6, 2026, Entegris Inc is a publicly traded company (Nasdaq: ENTG); its largest reported holder is T. Rowe Price, with 7.7% on Schedule 13G/A of May 15, 2026, then Capital Research Global Investors (7.5%). The largest insider holding is Bertrand Loy, the chairman and a director, with 227,527 shares (0.15% of shares outstanding), per Form 4 of April 20, 2026 (Schedule 13G/A, May 15, 2026).
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Is Entegris Inc a real, registered company?
- Entegris Inc files with the SEC under CIK 1101302 (its SEC filings).
- Its shares are listed under the ticker ENTG on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Billerica, Massachusetts, 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 Entegris Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Bertrand Loy, Executive Chair (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 T. Rowe Price (filed 2026-05-15).
Who are Entegris Inc's owners and officers?
Entegris Inc: incorporated in Delaware; business address in Billerica, Massachusetts; industry Plastics Products, NEC (Schedule 13G/A, 2026-10-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-30 | Vanguard Portfolio Management | 4.98% |
| Schedule 13G/A, 2026-05-15 | T. Rowe Price Associates, Inc. | 7.7% |
| Schedule 13G, 2026-05-14 | Capital Research Global Investors | 7.5% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 5.1% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 5.22% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
Questions about who owns Entegris Inc
Who owns Entegris Inc?
On this page, 3 holders' latest ownership filings report 5% or more of Entegris Inc: T. Rowe Price Associates, Inc. (7.7%, Schedule 13G/A, filed 2026-05-15), Capital Research Global Investors (7.5%, Schedule 13G, filed 2026-05-14) and Vanguard Capital Management (5.22%, Schedule 13G, filed 2026-04-29).
Who are the largest shareholders of Entegris Inc?
By the share each holder's latest filing reports, the largest holders of Entegris Inc on this page are T. Rowe Price Associates, Inc. (7.7%), Capital Research Global Investors (7.5%) and Vanguard Capital Management (5.22%).
When did T. Rowe Price Associates, Inc. buy into Entegris Inc?
The filings give report dates, not purchase dates. The earliest filing from T. Rowe Price Associates, Inc. on this page is the Schedule 13G/A, filed 2026-05-15, reporting 7.7%. 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%); 6 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, 2026-07-29 | Bertrand Loy | Executive Chair | departed | 2026-07-31 |
| Form 8-K, 2026-07-29 | James F. Gentilcore | Chair of the Board | appointed | 2026-07-31 |
| Form 8-K, 2026-07-29 | Robert A. Bruggeworth | Director | appointed | 2026-08-03 |
| Form 8-K, 2026-05-11 | Daniel Woodland | Senior Vice President | departed |
Which insiders own Entegris Inc 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: 227,527 shares (0.15% of shares outstanding) (Form 4, 2026-04-20).
- , the chief executive and president: 91,821 shares (0.06% of shares outstanding) (Form 4, 2026-08-19).
- , the senior vice president and global human resources: 66,976 shares (0.04% of shares outstanding) (Form 4, 2026-08-12).
- , the president and senior vice president: 54,960.67 shares (0.04% of shares outstanding) (Form 4, 2026-05-28).
- , the president and senior vice president: 53,604.83 shares (0.04% of shares outstanding) (Form 4, 2026-04-06).
Shares outstanding: 152,800,000 as of 2026-10-26, from the company's latest SEC cover page.
How much has Entegris Inc raised?
No fundraising or offering filing from Entegris Inc is on file with us.
Keep reading
More on Entegris Inc and the records around it.
Entegris Inc elsewhere on the record
- Leadership changes Jul 2026
Companies that share a holder
- Capital Research Global Investors also filed stake reports on 99 other companies: Royal Caribbean Cruises Ltd. (Oct 2026), Patria Investments Ltd. (Sep 2026), Arxis, Inc. (Aug 2026)
- T. Rowe Price Associates, Inc. also filed stake reports on 191 other companies: PACIFIC BIOSCIENCES OF CALIF (Nov 2026), APARTMENT INVT & MGMT CO -A (Oct 2026), BETA BIONICS INC (Oct 2026)
- 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)
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