As of November 6, 2026, Matrix Service Co. is a publicly traded company (Nasdaq: MTRX); its largest reported holder is BlackRock, with 6.8% on Schedule 13G/A of April 7, 2026. The largest insider holding is John R. Hewitt, the chief executive and president, with 581,806 shares (2.1% of shares outstanding), per Form 4 of May 12, 2026 (Schedule 13G/A, April 7, 2026).
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Is Matrix Service Co. a real, registered company?
- Matrix Service Company files with the SEC under CIK 866273 (its SEC filings).
- Its shares are listed under the ticker MTRX on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Tulsa, Oklahoma, 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 MATRIX SERVICE COMPANY in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Dominic A. Savarino (Form 8-K filed 2026-10-19). 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 2026-04-07).
Who are Matrix Service Co.'s owners and officers?
Matrix Service Co.: incorporated in Delaware; business address in Tulsa, Oklahoma; industry Construction - Special Trade Contractors (Form D, 2026-10-19).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-04-07 | Blackrock, Inc. | 6.8% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-01-21 | Blackrock, Inc. | 12.4% |
| Schedule 13G/A, 2025-08-14 | Harvey Partners, LLC | 4.4% |
Questions about who owns Matrix Service Co.
Who owns Matrix Service Co.?
On this page, one holder's latest ownership filing reports 5% or more of Matrix Service Co.: Blackrock, Inc. (6.8%, Schedule 13G/A, filed 2026-04-07).
When did Blackrock, Inc. buy into Matrix Service Co.?
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 12.4%; its latest, Schedule 13G/A filed 2026-04-07, reports 6.8%. 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%); 4 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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What They Do, And How The Money Works
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-19 | Dominic A. Savarino | appointed | ||
| Form 8-K, 2026-07-02 | Shawn P. Payne | President and Chief Executive Officer | appointed | 2026-07-01 |
| Form 8-K, 2026-07-02 | Shawn P. Payne | appointed | ||
| Form 8-K, 2026-04-30 | Austin Nancy E. Austin | Chief Administrative Officer | departed | 2026-05-07 |
Which insiders own Matrix Service 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 chief executive and president: 581,806 shares (2.1% of shares outstanding) (Form 4, 2026-05-12).
- , the chief executive and president: 123,946 shares (0.44% of shares outstanding) (Form 4, 2026-08-31).
- , the vice president and chief admin officer: 106,138 shares (0.38% of shares outstanding) (Form 4, 2026-02-19).
- , a director: 102,403 shares (0.36% of shares outstanding) (Form 4, 2026-11-04).
- , a director: 96,364 shares (0.34% of shares outstanding) (Form 4, 2026-11-04).
Shares outstanding: 28,072,555 as of 2026-11-04, from the company's latest SEC cover page.
How much has Matrix Service Co. raised?
No fundraising or offering filing from Matrix Service Co. is on file with us.
Keep reading
More on Matrix Service Co. and the records around it.
Matrix Service Co. elsewhere on the record
- Leadership changes Jul 2026
Companies that share a holder
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
Related pages
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