How many institutional investors hold CMS?

4 tracked institutional investors disclosed a position in CMS (CMS ENERGY CORP) in their most recent 13F filing.

Who is the largest institutional holder of CMS?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in CMS, valued at $241M.

Where does this CMS ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

CMS — CMS ENERGY CORP

Name: CMS ENERGY CORP (CMS) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About CMS ENERGY CORP (CMS)

CMS ENERGY CORP (CMS) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $241M. Across recent filings, tracked investors recorded 4 new positions, 1 increased, 1 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in CMS

/100

Strong Institutional Accumulation

Added / Increased5

Reduced1

Exited0

BearishBullish

Crowded Trade Score™

How many top investors track CMS

/100

Emerging Interest

4investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

CMS Ownership Composition

How CMS ENERGY CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Hedge Funds

62% of tracked value

Institutions

tracked investors

Total Reported

$129.5M

combined 13F value

Hedge Funds62.0%
Other38.0%

Hedge Funds(1)

62.0%

Other(3)

38.0%

Tracked investors reporting CMS

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	318.5K	$24.7M	0.00%	Mar 31, 2026
George Soros	Soros Fund Management	1M	$80.2M	0.88%	Mar 31, 2026
Izzy Englander	Millennium Management	281K	$21.8M	0.01%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	35.6K	$2.8M	0.01%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
318.5K
Value
$24.7M
% Portfolio
0.00%
George SorosMar 31, 2026
Soros Fund Management
Shares
1M
Value
$80.2M
% Portfolio
0.88%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
281K
Value
$21.8M
% Portfolio
0.01%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
35.6K
Value
$2.8M
% Portfolio
0.01%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	New	—	$62.9M	Feb 17, 2026
George Soros	New	—	$77.4M	Feb 13, 2026
George Soros	New	—	$80.2M	May 15, 2026
Ray Dalio	Reduced	-46.09%	$2.8M	May 15, 2026
Ray Dalio	Increased	30.74%	$4.6M	Feb 13, 2026
Ray Dalio	New	—	$3.7M	Nov 13, 2025

Izzy Englander
New
$62.9MFeb 17, 2026
George Soros
New
$77.4MFeb 13, 2026
George Soros
New
$80.2MMay 15, 2026
Ray Dalio
Reduced
$2.8M(-46.09%)May 15, 2026
Ray Dalio
Increased
$4.6M(30.74%)Feb 13, 2026
Ray Dalio
New
$3.7MNov 13, 2025

Frequently asked questions

How many institutional investors hold CMS?: 4 tracked institutional investors disclosed a position in CMS (CMS ENERGY CORP) in their most recent 13F filing.
Who is the largest institutional holder of CMS?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in CMS, valued at $241M.
Did institutional ownership of CMS increase or decrease?: Across recent 13F filings, tracked investors recorded 4 new positions, 1 increased, 1 reduced, and 0 fully exited CMS.
Where does this CMS ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.