CMS Energy Corporation
MX ˙ BMV ˙ US1258961002
SecurityMX:CMS1 / CMS Energy Corporation
InstitutionGabelli Funds Llc
Latest Disclosed Ownership189,617 shares
Latest Disclosed Value $ 14,710,487
Gabelli Funds Llc ownership in CMS1 / CMS Energy Corporation

On May 14, 2026 - Gabelli Funds Llc filed a 13F-HR form disclosing ownership of 189,617 shares of CMS Energy Corporation (MX:CMS1) valued at $14,710,487 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 189,617 shares of CMS Energy Corporation. This represents a change in shares of 0.00% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F CMS ENERGY EQUITY 125896100 189,617 0 0.00 14,710 10.94 0.0994
2026-02-05 2025-12-31 13F CMS ENERGY EQUITY 125896100 189,617 0 0.00 13,260 -4.55 0.0898
2025-11-12 2025-09-30 13F CMS ENERGY EQUITY 125896100 189,617 -600 -0.32 13,891 5.41 0.0940
2025-08-13 2025-06-30 13F CMS ENERGY EQUITY 125896100 190,217 0 0.00 13,178 -7.76 0.0936
2025-05-14 2025-03-31 13F CMS ENERGY EQUITY 125896100 190,217 -1,100 -0.57 14,287 12.05 0.1089
2025-02-13 2024-12-31 13F CMS ENERGY EQUITY 125896100 191,317 0 0.00 12,751 -5.63 0.0958
2024-11-13 2024-09-30 13F CMS ENERGY EQUITY 125896100 191,317 -1,000 -0.52 13,513 18.03 0.0974
2024-08-13 2024-06-30 13F CMS ENERGY EQUITY 125896100 192,317 -500 -0.26 11,449 -1.60 0.0870
2024-05-14 2024-03-31 13F CMS ENERGY EQUITY 125896100 192,817 -1,600 -0.82 11,635 3.06 0.0857
2024-02-13 2023-12-31 13F CMS ENERGY EQUITY 125896100 194,417 -756 -0.39 11,290 8.91 0.0869
2023-11-08 2023-09-30 13F CMS ENERGY EQUITY 125896100 195,173 48 0.02 10,366 -9.58 0.0841
2023-08-10 2023-06-30 13F CMS ENERGY EQUITY 125896100 195,125 0 0.00 11,464 -4.28 0.0869
2023-05-12 2023-03-31 13F CMS ENERGY EQUITY 125896100 195,125 0 0.00 11,977 -3.08 0.0908
2023-02-13 2022-12-31 13F CMS ENERGY EQUITY 125896100 195,125 -2,100 -1.06 12,357 7.58 0.0960
2022-11-14 2022-09-30 13F/A-1 CMS ENERGY CORP COM COM 125896100 197,225 0 0.00 11,486 -13.72 0.0947
2022-11-10 2022-09-30 13F CMS ENERGY CORP COM COM 125896100 197,225 0 11,486 0.0947
2022-08-12 2022-06-30 13F CMS ENERGY CORP COM COM 125896100 197,225 -3,200 -1.60 13,313 -5.03 0.1022
2022-05-18 2022-03-31 13F/A-1 CMS ENERGY CORP COM COM 125896100 200,425 -900 -0.45 14,018 7.04 0.0921
2022-05-13 2022-03-31 13F CMS ENERGY CORP COM COM 125896100 200,425 -900 14,018 0.0946
2022-02-11 2021-12-31 13F CMS ENERGY CORP COM COM 125896100 201,325 -825 -0.41 13,096 8.46 0.0827
2021-11-12 2021-09-30 13F CMS ENERGY CORP COM COM 125896100 202,150 0 0.00 12,074 1.10 0.0800
2021-08-13 2021-06-30 13F CMS ENERGY CORP COM COM 125896100 202,150 0 0.00 11,943 -3.50 0.0761
2021-05-14 2021-03-31 13F CMS ENERGY CORP COM COM 125896100 202,150 0 0.00 12,376 0.35 0.0830
2021-02-05 2020-12-31 13F CMS ENERGY CORP COM COM 125896100 202,150 0 0.00 12,333 -0.65 0.0879
2020-11-06 2020-09-30 13F CMS ENERGY CORP COM COM 125896100 202,150 3,000 1.51 12,414 6.70 0.0967
2020-08-13 2020-06-30 13F CMS ENERGY CORP COM COM 125896100 199,150 3,000 1.53 11,634 0.95 0.0948
2020-05-14 2020-03-31 13F CMS ENERGY CORP COM COM 125896100 196,150 3,150 1.63 11,524 -4.98 0.1027
2020-02-14 2019-12-31 13F CMS ENERGY CORP COM COM 125896100 193,000 -12,200 -5.95 12,128 -7.58 0.0785
2019-11-01 2019-09-30 13F CMS ENERGY CORP COM COM 125896100 205,200 200 0.10 13,123 10.54 0.0867
2019-08-02 2019-06-30 13F CMS ENERGY CORP COM COM 125896100 205,000 0 0.00 11,872 4.27 0.0762
2019-05-02 2019-03-31 13F CMS ENERGY CORP COM COM 125896100 205,000 0 0.00 11,386 11.87 0.0716
2019-01-30 2018-12-31 13F CMS ENERGY CORP COM COM 125896100 205,000 0 0.00 10,178 1.32 0.0698
2018-11-02 2018-09-30 13F CMS ENERGY CORP COM COM 125896100 205,000 0 0.00 10,045 3.64 0.0576
2018-08-10 2018-06-30 13F CMS ENERGY CORP COM COM 125896100 205,000 0 0.00 9,692 4.39 0.0574
2018-05-09 2018-03-31 13F CMS ENERGY CORP COM COM 125896100 205,000 0 0.00 9,284 -4.26 0.0554
2018-02-02 2017-12-31 13F CMS ENERGY CORP COM COM 125896100 205,000 -1,000 -0.49 9,697 1.62 0.0559
2017-11-01 2017-09-30 13F CMS ENERGY CORP COM COM 125896100 206,000 0 0.00 9,542 0.15 0.0547
2017-08-03 2017-06-30 13F CMS ENERGY CORP COM COM 125896100 206,000 0 0.00 9,528 3.39 0.0566
2017-05-04 2017-03-31 13F CMS ENERGY CORP COM COM 125896100 206,000 0 0.00 9,216 7.49 0.0543
2017-02-10 2016-12-31 13F CMS ENERGY CORP COM COM 125896100 206,000 0 0.00 8,574 -0.92 0.0507
2016-11-10 2016-09-30 13F CMS ENERGY CORP COM COM 125896100 206,000 0 0.00 8,654 -8.39 0.0513
2016-08-04 2016-06-30 13F CMS ENERGY CORP COM COM 125896100 206,000 0 0.00 9,447 8.05 0.0557
2016-05-05 2016-03-31 13F CMS ENERGY CORP COM COM 125896100 206,000 -5,000 -2.37 8,743 14.84 0.0527
2016-02-05 2015-12-31 13F CMS ENERGY CORP COM COM 125896100 211,000 -2,000 -0.94 7,613 1.20 0.0461
2015-10-23 2015-09-30 13F CMS ENERGY CORP COM COM 125896100 213,000 0 0.00 7,523 10.93 0.0447
2015-08-05 2015-06-30 13F CMS ENERGY CORP COM COM 125896100 213,000 0 0.00 6,782 -8.80 0.0355
2015-05-01 2015-03-31 13F CMS ENERGY CORP COM COM 125896100 213,000 0 0.00 7,436 0.46 0.0377
2015-02-05 2014-12-31 13F CMS ENERGY CORP COM COM 125896100 213,000 -5,500 -2.52 7,402 14.21 0.0360
2014-10-30 2014-09-30 13F CMS ENERGY CORP COM COM 125896100 218,500 -4,100 -1.84 6,481 -6.53 0.0329
2014-08-06 2014-06-30 13F CMS ENERGY CORP COM COM 125896100 222,600 -2,000 -0.89 6,934 5.44 0.0343
2014-05-16 2014-03-31 13F/A-1 CMS ENERGY CORP COM COM 125896100 224,600 0 0.00 6,576 9.36 0.0341
2014-05-02 2014-03-31 13F CMS ENERGY CORP COM COM 125896100 224,600 6,576
2014-02-07 2013-12-31 13F CMS ENERGY CORP COM COM 125896100 224,600 -13,800 -5.79 6,013 -4.18 0.0320
2013-11-07 2013-09-30 13F CMS ENERGY CORP COM COM 125896100 238,400 -6,100 -2.49 6,275 -5.54 0.0357
2013-08-02 2013-06-30 13F/A-1 CMS ENERGY CORP COM COM 125896100 244,500 244,500 6,643 0.0403
2013-08-01 2013-06-30 13F CMS ENERGY CORP COM COM 125896100 244,500 6,643 0.0403
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.