| Schedule of Master Trust Net Assets |
At December 31, 2025 and 2024 each of the Plans' respective interests in the net assets of the Master Trust were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | Plan's Interest in Master Trust Balances | | | | SSOP | | Local 223 Plan | | Local 17 Plan | | Gas ISOP | | Master Trust Balances | | (In thousands) | | Investments, at fair value: | | | | | | | | | | | Registered investment companies and other equities | $ | 270,040 | | | $ | 84,178 | | | $ | 19,822 | | | $ | 11,384 | | | $ | 385,424 | | | DTE Energy common stock | 318,832 | | | 205,896 | | | 36,072 | | | 22,539 | | | 583,339 | | | Common/collective trusts | 1,998,866 | | | 750,384 | | | 206,258 | | | 84,345 | | | 3,039,853 | | | Assets held in Master Trust | $ | 2,587,738 | | | $ | 1,040,458 | | | $ | 262,152 | | | $ | 118,268 | | | $ | 4,008,616 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2024 | | Plan's Interest in Master Trust Balances | | | | SSOP | | Local 223 Plan | | Local 17 Plan | | Gas ISOP | | Master Trust Balances | | (In thousands) | | Investments, at fair value: | | | | | | | | | | | Registered investment companies and other equities | $ | 241,228 | | | $ | 73,397 | | | $ | 17,973 | | | $ | 9,848 | | | $ | 342,446 | | | DTE Energy common stock | 309,089 | | | 207,768 | | | 33,714 | | | 20,469 | | | 571,040 | | | Common/collective trusts | 1,756,577 | | | 658,096 | | | 172,880 | | | 72,209 | | | 2,659,762 | | | Assets held in Master Trust | $ | 2,306,894 | | | $ | 939,261 | | | $ | 224,567 | | | $ | 102,526 | | | $ | 3,573,248 | |
The following is a summary of investment income in the Master Trust for the year ended December 31, 2025: | | | | | | | 2025 | | (In thousands) | | Net appreciation | $ | 518,509 | | | Dividends and interest | 34,837 | | | Total investment income | $ | 553,346 | |
The following tables present investments of the Master Trust measured and recorded at fair value on a recurring basis as of December 31, 2025 and 2024: | | | | | | | | | | | | | | | | | | | | | 2025 | | Level 1 | | | | Other(a) | | Total | | (In thousands) | | Registered investment companies and other equities | $ | 385,424 | | | | | $ | — | | | $ | 385,424 | | | DTE Energy common stock | 583,339 | | | | | — | | | 583,339 | | | Common/collective trusts | — | | | | | 3,039,853 | | | 3,039,853 | | | Total Investments at fair value | $ | 968,763 | | | | | $ | 3,039,853 | | | $ | 4,008,616 | |
___________________________(a)Amounts represent assets valued at NAV as a practical expedient for fair value. | | | | | | | | | | | | | | | | | | | | | | | | | 2024 | | | | Level 1 | | | | Other(a) | | Total | | | | (In thousands) | | Registered investment companies and other equities | | | $ | 342,446 | | | | | $ | — | | | $ | 342,446 | | | DTE Energy common stock | | | 571,040 | | | | | — | | | 571,040 | | | Common/collective trusts | | | — | | | | | 2,659,762 | | | 2,659,762 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Investments at fair value | | | $ | 913,486 | | | | | $ | 2,659,762 | | | $ | 3,573,248 | |
___________________________ (a)Amounts represent assets valued at NAV as a practical expedient for fair value.
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