Comparable stake leader
BlackRock, Inc.
SEC ownership of CMS ENERGY CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000811156.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
15 Jun 2026
- Public ticker
- CMS, CMSA, CMSC, CMSD, CMS-PC on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
15 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000811156
- Issuer location
- Jackson, MI
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CMS ENERGY CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
15 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 8.8%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 8.8%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
8.8%
VANGUARD CAPITAL MANAGEMENT LLC
7.5%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.1%
JPMORGAN CHASE & CO
5%
PRICE T ROWE ASSOCIATES INC /MD/
2.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
8.8%
from 13D/G
|
$2,603,862,048
33,563,574 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.5%
|
$1,793,165,190
23,113,756 shares
|
$0 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
6.1%
|
$1,460,852,734
18,830,275 shares
|
$0 | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
13D/G
Company
|
5%
from 13D/G
|
$1,222,982,206
15,839,684 shares
|
— | 31 Mar 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
2.3%
|
$490,398,242
6,970,835 shares
|
-$674,437,571 | 30 Jun 2025 |
| Garrick J. Rochow |
3/4/5
President and CEO, Director
|
0.21%
|
$44,609,605
637,918 shares
|
— | 26 Mar 2026 |
| Rejji P. Hayes |
3/4/5
EVP/CFO
|
0.09%
|
$18,778,652
268,535 shares
|
— | 26 Mar 2026 |
| John G. Russell |
3/4/5
Director
|
0.04%
|
$10,400,995
134,068 shares
|
-$1,129,810 | 08 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$2,244,468.
Buys
$153,398
Insiders: 1
Sells
$2,397,866
Insiders: 4
Net
-$2,244,468
Shares: -29,884
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 2,000
Shares: 31,884
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 3,000 | $0 | $222,930 | -$222,930 |
| 3-6 | 2,000 | 20,664 | $153,398 | $1,579,609 | -$1,426,211 |
| 6-9 | 0 | 4,000 | $0 | $289,882 | -$289,882 |
| 9-12 | 0 | 4,220 | $0 | $305,445 | -$305,445 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 28 reporting-owner rows connected to CMS ENERGY CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
28
Largest Forms 3/4/5 holder
Garrick J. Rochow
Net 12M change
-$2,244,468
Latest report
15 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Garrick J. Rochow | President and CEO, Director | $44,609,605 | Mixed | 26 Mar 2026 | ||
| Rejji P. Hayes | Evp/Cfo | $18,778,652 | Mixed | 26 Mar 2026 | ||
| John G. Russell | Director | $10,400,995 | -$1,129,810 | -9.8% | Mixed | 08 May 2026 |
| Shaun M. Johnson | Executive Vice President & CLO | $7,645,097 | Mixed | 26 Mar 2026 | ||
| Brian F. Rich | Senior Vice President | $6,235,924 | Filing P/S | 01 Aug 2024 | ||
| LeeRoy Wells Jr. | Senior Vice President | $6,199,578 | Mixed | 21 Mar 2025 | ||
| Brandon J. Hofmeister | Senior Vice President | $4,987,250 | -$972,998 | -16% | Mixed | 26 May 2026 |
| Tonya L. Berry | Executive Vice President & COO | $4,902,442 | Mixed | 26 Mar 2026 | ||
| Jean-Francois Brossoit | Senior Vice President | $3,698,400 | Mixed | 27 Jan 2022 | ||
| Catherine A. Hendrian | Senior Vice President | $3,670,689 | Mixed | 29 Jan 2025 | ||
| Laura Wright | Director | $3,384,272 | Mixed | 08 May 2026 | ||
| Myrna Soto | Director | $3,182,564 | Mixed | 08 May 2026 | ||
| Deborah H. Butler | Director | $3,091,563 | Mixed | 08 May 2026 | ||
| Kurt L. Darrow | Director | $3,012,111 | Mixed | 02 May 2025 | ||
| John G. Sznewajs | Director | $2,916,542 | Mixed | 08 May 2026 | ||
| William D. Harvey | Director | $2,714,764 | Mixed | 05 May 2023 | ||
| Srikanth Maddipati | Evp/Cfo | $2,691,638 | Mixed | 15 Jun 2026 | ||
| Dhenuvakonda Rao Venkat | Senior Vice President | $2,524,977 | Mixed | 22 Mar 2024 | ||
| Suzanne F. Shank | Director | $1,837,094 | Mixed | 08 May 2026 | ||
| Scott B. McIntosh | VP, Controller, CAO | $1,682,096 | -$136,859 | -7.5% | Mixed | 26 Mar 2026 |
Recent insider transactions for CMS ENERGY CORP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Srikanth Maddipati | CMS | Common Stock | Award | 41.6% | 10,184 | 34,695 | 15 Jun 2026 | Direct | ||
| Brandon J. Hofmeister | CMS | Common Stock | Sale | -4.28% | $222,930 | $74.31 | -3,000 | 67,111 | 26 May 2026 | Direct |
| Laura Wright | CMS | Common Stock | Award | 5.85% | 2,411 | 43,623 | 08 May 2026 | Direct | ||
| Ronald J. Tanski | CMS | Common Stock | Award | 13% | 2,411 | 20,903 | 08 May 2026 | Direct | ||
| John G. Russell | CMS | Common Stock | Award | 1.83% | 2,411 | 134,068 | 08 May 2026 | Direct | ||
| Richard Patrick Keyes | CMS | Common Stock | Award | 313.5% | 2,411 | 3,180 | 08 May 2026 | Direct | ||
| John G. Sznewajs | CMS | Common Stock | Award | 6.85% | 2,411 | 37,594 | 08 May 2026 | Direct | ||
| Myrna Soto | CMS | Common Stock | Award | 6.24% | 2,411 | 41,023 | 08 May 2026 | Direct | ||
| Suzanne F. Shank | CMS | Common Stock | Award | 11.3% | 2,411 | 23,680 | 08 May 2026 | Direct | ||
| Ralph Izzo | CMS | Common Stock | Award | 28.8% | 2,411 | 10,779 | 08 May 2026 | Direct | ||
| Diane Leopold | CMS | Common Stock | Award | 87.1% | 2,411 | 5,180 | 08 May 2026 | Direct | ||
| Deborah H. Butler | CMS | Common Stock | Award | 6.44% | 2,411 | 39,850 | 08 May 2026 | Direct | ||
| Scott B. McIntosh | CMS | Common Stock | Tax liability | -4.74% | -1,197 | 24,054 | 26 Mar 2026 | Direct | ||
| Scott B. McIntosh | CMS | Common Stock | Award | 4.24% | 1,028 | 25,251 | 26 Mar 2026 | Direct | ||
| Lauren Y. Snyder | CMS | Common Stock | Tax liability | -3.34% | -574 | 16,596 | 26 Mar 2026 | Direct | ||
| Lauren Y. Snyder | CMS | Common Stock | Award | 4.09% | 674 | 17,170 | 26 Mar 2026 | Direct | ||
| Tonya L. Berry | CMS | Common Stock | Tax liability | -3.63% | -2,642 | 70,105 | 26 Mar 2026 | Direct | ||
| Tonya L. Berry | CMS | Common Stock | Award | 2.86% | 2,021 | 72,747 | 26 Mar 2026 | Direct | ||
| Shaun M. Johnson | CMS | Common Stock | Tax liability | -3.79% | -4,311 | 109,325 | 26 Mar 2026 | Direct | ||
| Shaun M. Johnson | CMS | Common Stock | Award | -2.81% | -3,284 | 113,636 | 26 Mar 2026 | Direct | ||
| Brandon J. Hofmeister | CMS | Common Stock | Tax liability | -5.09% | -3,759 | 70,111 | 26 Mar 2026 | Direct | ||
| Brandon J. Hofmeister | CMS | Common Stock | Award | 4.03% | 2,863 | 73,870 | 26 Mar 2026 | Direct | ||
| Rejji P. Hayes | CMS | Common Stock | Tax liability | -2.99% | -8,290 | 268,535 | 26 Mar 2026 | Direct | ||
| Rejji P. Hayes | CMS | Common Stock | Award | 2.33% | 6,316 | 276,825 | 26 Mar 2026 | Direct | ||
| Garrick J. Rochow | CMS | Common Stock | Tax liability | -3.89% | -25,833 | 637,918 | 26 Mar 2026 | Direct | ||
| Garrick J. Rochow | CMS | Common Stock | Award | 3.06% | 19,681 | 663,751 | 26 Mar 2026 | Direct | ||
| Scott B. McIntosh | CMS | Common Stock | Sale | -6.74% | $136,859 | $78.20 | -1,750 | 24,223 | 02 Mar 2026 | Direct |
| Brandon J. Hofmeister | CMS | Common Stock | Gift | 200% | 2 | 3 | 27 Feb 2026 | Custodial Accounts for Children | ||
| Brandon J. Hofmeister | CMS | Common Stock | Gift | -2 | 70,953 | 27 Feb 2026 | Direct | |||
| Brandon J. Hofmeister | CMS | Common Stock | Sale | -5.36% | $312,940 | $78.24 | -4,000 | 70,670 | 27 Feb 2026 | Direct |
| Diane Leopold | CMS | Common Stock | Purchase | 260.1% | $153,398 | $76.70 | 2,000 | 2,769 | 25 Feb 2026 | Direct |
| Diane Leopold | CMS | Common Stock | Award | 769 | 769 | 20 Feb 2026 | Direct | |||
| Richard Patrick Keyes | CMS | Common Stock | Award | 769 | 769 | 20 Feb 2026 | Direct | |||
| John G. Russell | CMS | Common Stock | Sale | -10.2% | $1,129,810 | $75.76 | -14,914 | 131,568 | 20 Feb 2026 | Direct |
| Shannon Thomas | CMS | Common Stock | Award | 7,757 | 7,757 | 29 Jan 2026 | Direct | |||
| Lauren Y. Snyder | CMS | Common Stock | Award | 27.3% | 3,526 | 16,426 | 29 Jan 2026 | Direct | ||
| Tonya L. Berry | CMS | Common Stock | Award | 41% | 20,451 | 70,387 | 29 Jan 2026 | Direct | ||
| Scott B. McIntosh | CMS | Common Stock | Award | 24% | 5,008 | 25,850 | 29 Jan 2026 | Direct | ||
| Shaun M. Johnson | CMS | Common Stock | Award | 21.9% | 19,747 | 109,894 | 29 Jan 2026 | Direct | ||
| Brandon J. Hofmeister | CMS | Common Stock | Award | 22.6% | 13,752 | 74,670 | 29 Jan 2026 | Direct | ||
| Garrick J. Rochow | CMS | Common Stock | Award | 23.8% | 123,413 | 641,865 | 29 Jan 2026 | Direct | ||
| Rejji P. Hayes | CMS | Common Stock | Award | 14% | 33,144 | 269,725 | 29 Jan 2026 | Direct | ||
| Lauren Y. Snyder | CMS | Common Stock | Tax liability | -5.47% | -747 | 12,900 | 26 Jan 2026 | Direct | ||
| Lauren Y. Snyder | CMS | Common Stock | Award | 0.57% | 77 | 13,647 | 26 Jan 2026 | Direct | ||
| Tonya L. Berry | CMS | Common Stock | Tax liability | -5.65% | -2,993 | 49,936 | 26 Jan 2026 | Direct | ||
| Tonya L. Berry | CMS | Common Stock | Award | 0.44% | 230 | 52,929 | 26 Jan 2026 | Direct | ||
| Scott B. McIntosh | CMS | Common Stock | Tax liability | -6.37% | -1,418 | 20,842 | 26 Jan 2026 | Direct | ||
| Scott B. McIntosh | CMS | Common Stock | Award | 0.53% | 117 | 22,260 | 26 Jan 2026 | Direct | ||
| Shaun M. Johnson | CMS | Common Stock | Tax liability | -5.08% | -4,821 | 90,147 | 26 Jan 2026 | Direct | ||
| Shaun M. Johnson | CMS | Common Stock | Award | 0.4% | 374 | 94,968 | 26 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.