Company: DTK
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0000936340-25-000223
Chunk: 176

Company: DTE ENERGY CO
Filing Date: 2025-10-30
Form: 10-Q
Item: Part I, Item 8
Chunk 176
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ized gains and losses for the nuclear decommissioning trust funds:September 30, 2025December 31, 2024FairValueUnrealizedGainsUnrealizedLossesFairValueUnrealizedGainsUnrealizedLosses(In millions)Equity securities$1,139 $694 $(9)$1,003 $558 $(16)Fixed income securities707 18 (18)650 16 (29)Private equity and other362 122 (9)349 106 (8)Hedge funds and similar investments241 6 (5)228 7 (5)Cash equivalents31 — — 26 — — $2,480 $840 $(41)$2,256 $687 $(58)

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Table of ContentsDTE Energy Company — DTE Electric CompanyCombined Notes to Consolidated Financial Statements (Unaudited) — (Continued)

The following table summarizes the fair value of the fixed income securities held in nuclear decommissioning trust funds by contractual maturity:September 30, 2025(In millions)Due within one year$19 Due after one through five years91 Due after five through ten years121 Due after ten years350 $581 Fixed income securities held in nuclear decommissioning trust funds include $126 million of non-publicly traded commingled funds that do not have a contractual maturity date.Other SecuritiesAt September 30, 2025 and December 31, 2024, DTE Energy securities included in Other investments on the Consolidated Statements of Financial Position consisted primarily of investments within DTE Energy's rabbi trust.  The rabbi trust is comprised primarily of trading securities recorded at fair value, as well as debt securities classified as held-to-maturity and recorded at amortized cost.  The trust was established to fund certain non-qualified pension benefits, and therefore changes in market value of the trading securities and interest on the held-to-maturity securities are recognized in earnings.  Gains and losses are allocated from DTE Energy to DTE Electric and are included in Other Income or Other Expense, respectively, in the Registrants' Consolidated Statements of Operations.  Gains (losses) related to the trading securities were immaterial for the three and nine months ended September 30, 2025 and 2024.

NOTE 10 — FINANCIAL AND OTHER DERIVATIVE INSTRUMENTS

The Registrants recognize all