As of November 6, 2026, CMS Energy Corp. is a publicly traded company (NYSE: CMS); its largest reported holder is Vanguard, with 7.5% on Schedule 13G of April 29, 2026, then Vanguard (6.11%). The largest insider holding is Garrick J. Rochow, the chief executive and president, with 637,918 shares (0.20% of shares outstanding), per Form 4 of March 30, 2026 (Schedule 13G, April 29, 2026).
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Is CMS Energy Corp. a real, registered company?
- Cms Energy Corp files with the SEC under CIK 811156 (its SEC filings).
- Its shares are listed under the ticker CMS on NYSE (also CMSA, CMSC, CMSD, CMS-PC) (SEC company record).
- Incorporated in Michigan; business address in Jackson, Michigan, 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 CMS ENERGY CORP in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names JPMorgan Chase (filed 2026-05-12).
Who are CMS Energy Corp.'s owners and officers?
CMS Energy Corp.: incorporated in Michigan; business address in Jackson, Michigan; industry Electric & Other Services Combined (Schedule 13G/A, 2026-05-12).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-12 | Jpmorgan Chase & Co | 5% |
| Schedule 13G/A, 2026-05-04 | Jpmorgan Chase & Co. | 5% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 7.5% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 6.11% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-10-24 | Jpmorgan Chase & Co. | 6.1% |
| Schedule 13G/A, 2025-08-14 | T. Rowe Price Associates, Inc. | 2.3% |
Questions about who owns CMS Energy Corp.
Who owns CMS Energy Corp.?
On this page, 4 holders' latest ownership filings report 5% or more of CMS Energy Corp.: Vanguard Capital Management (7.5%, Schedule 13G, filed 2026-04-29), Vanguard Portfolio Management (6.11%, Schedule 13G, filed 2026-04-29), Jpmorgan Chase & Co (5%, Schedule 13G/A, filed 2026-05-12) and Jpmorgan Chase & Co. (5%, Schedule 13G/A, filed 2026-05-04).
Who are the largest shareholders of CMS Energy Corp.?
By the share each holder's latest filing reports, the largest holders of CMS Energy Corp. on this page are Vanguard Capital Management (7.5%), Vanguard Portfolio Management (6.11%) and Jpmorgan Chase & Co (5%).
When did Vanguard Capital Management buy into CMS Energy Corp.?
The filings give report dates, not purchase dates. The earliest filing from Vanguard Capital Management on this page is the Schedule 13G, filed 2026-04-29, reporting 7.5%.
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%); 7 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 the Full Report on CMS Energy Corp. 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
13 cited sources found
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Which insiders own CMS Energy Corp. 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: 637,918 shares (0.20% of shares outstanding) (Form 4, 2026-03-30).
- , the chief financial officer and executive vice president: 268,535 shares (0.09% of shares outstanding) (Form 4, 2026-03-30).
- , a director: 134,068 shares (0.04% of shares outstanding) (Form 4, 2026-05-11).
- , the president and chief legal officer: 109,325 shares (0.03% of shares outstanding) (Form 4, 2026-03-30).
- , the president: 84,348 shares (0.03% of shares outstanding) (Form 4, 2025-03-25).
Shares outstanding: 313,577,136 as of 2026-07-13, from the company's latest SEC cover page.
How much has CMS Energy Corp. raised?
No fundraising or offering filing from CMS Energy Corp. is on file with us.
Keep reading
More on CMS Energy Corp. and the records around it.
Companies that share a holder
- JPMORGAN CHASE & CO. also filed stake reports on 116 other companies: LEVI STRAUSS & CO (Nov 2026), Warner Music Group Corp. (Nov 2026), Andersen Group Inc. (Oct 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)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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https://mentionfox.com/who-owns/cms-energy