CMS Energy Corporation
CMS Energy Corporation (CMS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CMS · as of Sep 30, 2025
Ownership Breakdown
788
Institutional Holders
▲ 29 vs Q2
$21.18B
Total Inst. Value
▲ $729.72M vs Q2
308.92M
Shares Outstanding
freeFloat 31.86%
289.34M
13F Shares Held
▼ 5.99M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CMS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electric & other services combined | 39.17M | 13.12% | 13.12% | $2.87T | Nov 7, 2025 | ▲ 126.2K |
BLACKROCK, INC. electric & other services combined | 31.04M | 10.40% | 10.40% | $2.27T | Nov 12, 2025 | ▲ 205.9K |
JPMORGAN CHASE & CO electric & other services combined | 18.92M | 6.34% | 6.34% | $1.39T | Nov 26, 2025 | ▼ 1.89M |
STATE STREET CORP electric & other services combined | 17.79M | 5.96% | 5.96% | $1.30T | Nov 14, 2025 | ▲ 331.6K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ electric & other services combined | 8.84M | 2.96% | 2.96% | $647.81B | Oct 29, 2025 | ▼ 489.2K |
GEODE CAPITAL MANAGEMENT, LLC electric & other services combined | 8.14M | 2.73% | 2.73% | $593.94B | Nov 12, 2025 | ▲ 118.8K |
VICTORY CAPITAL MANAGEMENT INC electric & other services combined | 7.48M | 2.51% | 2.51% | $547.83B | Nov 12, 2025 | ▲ 2.33M |
INVESCO LTD. electric & other services combined | 7.44M | 2.49% | 2.49% | $544.94B | Nov 13, 2025 | ▲ 276.0K |
PRICE T ROWE ASSOCIATES INC /MD/ electric & other services combined | 6.10M | 2.04% | 2.04% | $446.64B | Nov 14, 2025 | ▼ 874.2K |
WELLS FARGO & COMPANY/MN electric & other services combined | 5.68M | 1.90% | 1.90% | $416.15B | Nov 13, 2025 | ▼ 252.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
29
Increased
+8.80M shares0
New Positions
first time holders19
Decreased
−7.47M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.33M
+8.80M / −7.47M
Net new holders
+10
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CMS insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
1
Sell transactions
10.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Hofmeister Brandon J. Senior Vice President | May 26, 2026 | Sale | 3,000 | $74.31 | $222.9K | 67.1K | Form 4 ↗ |
Wright Laura director | May 8, 2026 | Award | 2,411 | — | — | 43.6K | Form 4 ↗ |
TANSKI RONALD J director | May 8, 2026 | Award | 2,411 | — | — | 20.9K | Form 4 ↗ |
RUSSELL JOHN G director | May 8, 2026 | Award | 2,411 | — | — | 134.1K | Form 4 ↗ |
Keyes Richard Patrick director | May 8, 2026 | Award | 2,411 | — | — | 3.2K | Form 4 ↗ |
Sznewajs John G director | May 8, 2026 | Award | 2,411 | — | — | 37.6K | Form 4 ↗ |
Soto Myrna director | May 8, 2026 | Award | 2,411 | — | — | 41.0K | Form 4 ↗ |
SHANK SUZANNE F. director | May 8, 2026 | Award | 2,411 | — | — | 23.7K | Form 4 ↗ |
IZZO RALPH director | May 8, 2026 | Award | 2,411 | — | — | 10.8K | Form 4 ↗ |
Leopold Diane director | May 8, 2026 | Award | 2,411 | — | — | 5.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
CMS Energy Corporation (CMS) is primarily owned by institutional investors, who hold approximately 93.7% of total shares outstanding. Company insiders own approximately 68.14%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of CMS Energy Corporation is VANGUARD GROUP INC, holding approximately 39.17 million shares — equal to 13.12% of outstanding shares — as of September 30, 2025.
A total of 788 institutional investors currently hold CMS stock, with a combined institutional value of approximately $21.18 billion as of the most recent 13F filing period.
Frequently asked questions
CMS ownershipCMS Energy Corporation (CMS) is primarily owned by institutional investors, who hold approximately 93.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 13.12% stake. Company insiders hold 68.14%. Data sourced from SEC Form 13F as of September 30, 2025.