Mattern Capital Management’s CMS Energy CMS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$12.4M	Buy	159,660 +38,952	+32%	+$2.89M	1.48%	9
2025 Q4	$8.44M	Buy	120,708 +2,126	+2%	+$155K	1%	53
2025 Q3	$8.69M	Buy	118,582 +219	+0.2%	+$15.7K	1.02%	47
2025 Q2	$8.2M	Buy	118,363 +1,367	+1%	+$97.4K	0.99%	58
2025 Q1	$8.79M	Sell	116,996 -3,925	-3%	-$274K	1.12%	47
2024 Q4	$8.06M	Sell	120,921 -2,551	-2%	-$176K	1.05%	58
2024 Q3	$8.72M	Buy	123,472 +123	+0.1%	+$8.07K	1.1%	51
2024 Q2	$7.34M	Sell	123,349 -117	-0.1%	-$7.08K	1.01%	61
2024 Q1	$7.45M	Buy	123,466 +9,696	+9%	+$562K	1.01%	65
2023 Q4	$6.61M	Buy	113,770 +3,712	+3%	+$207K	0.96%	70
2023 Q3	$5.85M	Buy	110,058 +9,696	+10%	+$562K	0.95%	69
2023 Q2	$5.9M	Buy	100,362 +3,731	+4%	+$225K	0.96%	71
2023 Q1	$5.93M	Buy	96,631 +3,677	+4%	+$226K	1.05%	60
2022 Q4	$5.89M	Buy	92,954 +5,390	+6%	+$319K	1.09%	53
2022 Q3	$5.1M	Sell	87,564 -296	-0.3%	-$19.9K	1.06%	57
2022 Q2	$5.93M	Sell	87,860 -2,333	-3%	-$161K	1.17%	39
2022 Q1	$6.31M	Buy	90,193 +2,238	+3%	+$145K	1.13%	40
2021 Q4	$5.72M	Buy	87,955 +5,297	+6%	+$325K	1%	64
2021 Q3	$4.94M	Buy	82,658 +4,462	+6%	+$278K	0.97%	66
2021 Q2	$4.62M	Buy	78,196 +5,701	+8%	+$355K	0.91%	73
2021 Q1	$4.44M	Buy	72,495 +5,929	+9%	+$341K	0.96%	71
2020 Q4	$4.06M	Buy	66,566 +425	+0.6%	+$26.6K	0.96%	69
2020 Q3	$4.06M	Buy	66,141 +2,906	+5%	+$178K	1.06%	63
2020 Q2	$3.69M	Buy	63,235 +7,875	+14%	+$456K	1.07%	59
2020 Q1	$3.25M	Buy	55,360 +1,235	+2%	+$79K	1.11%	51
2019 Q4	$3.4M	Buy	+54,125	New	+$3.37M	0.94%	76