Company Atlasby KadoaStar on GitHub

CMS Energy CMS

CMS Energy is the 388th largest S&P 500 company by market cap, worth $21.8 billion. 11 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 7 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 13.8% of the company.

CEO
Garrick J. Rochow
Sector
Utilities
Sub-industry
Multi-Utilities
Headquarters
Jackson, Michigan
Founded
1886
More
Wikipedia
Market cap
$21.8B
388th largest, 23 Oct 2026 close
Revenue
$8.5B
Fiscal year 2025
Price to sales
2.6
Market cap over revenue
Employees
8,350
10-K
Market cap per employee
$2.6M
Market cap over employees
Connections
3
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of CMS Energy. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 39.5% of CMS Energy.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding · All holders

Board and officers

3 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (11)
Garrick J. RochowPresident and CEOAlso at Hubbell IncorporatedLast filed 30 Mar 2026President and CEO
Deborah H. ButlerDirectorDirector
Ralph IzzoDirectorAlso at BNY MellonDirector
Richard Patrick KeyesDirectorDirector
Diane LeopoldDirectorDirector
John G. RussellDirectorDirector
Suzanne F. ShankDirectorDirector
Myrna SotoDirectorDirector
John G. SznewajsDirectorDirector
Ronald J. TanskiDirectorDirector
Laura WrightDirectorAlso at TE ConnectivityDirector
Officers (7)
Srikanth MaddipatiEVP/CFOLast filed 3 Aug 2026EVP/CFO
Tonya L. BerryExecutive Vice President & COOLast filed 30 Mar 2026Executive Vice President & COO
Brandon J. HofmeisterSenior Vice PresidentLast filed 27 May 2026Senior Vice President
Shaun M. JohnsonExecutive Vice President & CLOLast filed 30 Mar 2026Executive Vice President & CLO
Scott B. McIntoshVP, Controller, CAOLast filed 30 Mar 2026VP, Controller, CAO
Lauren Y. SnyderSenior Vice PresidentLast filed 30 Mar 2026Senior Vice President
Shannon ThomasSenior Vice PresidentLast filed 2 Feb 2026Senior Vice President

Source: SEC insider filings (Forms 3, 4 and 5), CMS Energy's Form 4 filings · All directors and officers

Companies that share people with CMS Energy

Each person's title here, then at the other company.

Source: SEC insider filings · See the whole network

CMS Energy's market cap since December 2008

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$21.8B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Employees
8,350
Presented in the following table are the number of employees of CMS Energy and Consumers: … CMS Energy, including Consumers Full-time and part-time employees 8,350
CMS Energy Form 10-K

Source: CMS Energy Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $2.1 million of stock in 5 sales and bought $167,892 in 2 purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
31 Jul 2026BuySrikanth MaddipatiEVP/CFOEVP/CFOBuy200$14K
26 May 2026SaleBrandon J. HofmeisterSenior Vice PresidentSenior Vice PresidentSale3,000$223K
2 Mar 2026SaleScott B. McIntoshVP, Controller, CAOVP, Controller, CAOSale1,750$137K
27 Feb 2026SaleBrandon J. HofmeisterSenior Vice PresidentSenior Vice PresidentSale4,000$313K
25 Feb 2026BuyDiane LeopoldDirectorDirectorBuy2,000$153K
20 Feb 2026SaleJohn G. RussellDirectorDirectorSale14,914$1.1M
3 Nov 2025SaleBrandon J. HofmeisterSenior Vice PresidentSenior Vice PresidentSale4,000$290K

Source: SEC insider transactions data sets, CMS Energy's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

3 people disclosed 7 purchases and 12 sales of CMS Energy stock since October 2023.

DateMember or officialTypeAmount
25 Sep 2026Rohit Khanna (House, D-CA)House, D-CA · BoughtPurchase$1,001 to $15,000$1K to $15K
28 Aug 2026Donald J Trump (President)President · SoldSale$15,001 to $50,000$15K to $50K
23 Jul 2026Donald J Trump (President)President · SoldSale$15,001 to $50,000$15K to $50K
12 Jun 2026Donald J Trump (President)President · BoughtPurchase$15,001 to $50,000$15K to $50K
15 May 2026Donald J Trump (President)President · BoughtPurchase$1,001 to $15,000$1K to $15K
27 Apr 2026Donald J Trump (President)President · SoldSale$15,001 to $50,000$15K to $50K
15 Apr 2026Donald J Trump (President)President · BoughtPurchase$1,001 to $15,000$1K to $15K
10 Apr 2026Donald J Trump (President)President · SoldSale$1,001 to $15,000$1K to $15K
29 Jan 2026Rohit Khanna (House, D-CA)House, D-CA · SoldSale$1,001 to $15,000$1K to $15K
23 Jan 2026Donald J Trump (President)President · BoughtPurchase$1,001 to $15,000$1K to $15K

Showing 10 of 19 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

Not on file: no WARN layoff notices under its own name since October 2023.