The following tables set forth by level, within the fair value hierarchy, the Plan's assets at fair value as of December 31, 2025 and 2024 were as follows:


(in thousands of dollars)	As of December 31, 2025
	Level 1		Level 2		Level 3		Total
Constellation Stock fund	$	582,181	$	—	$	—	$	582,181
Registered investment companies	90,849		—		—		90,849
Net investments in the fair value hierarchy	673,030		—		—		673,030
Investments valued at net asset value (a)	—		—		—		6,095,565
Total investments at fair value	$	673,030	$	—	$	—	$	6,768,595


(in thousands of dollars)	As of December 31, 2024
	Level 1		Level 2		Level 3		Total
Constellation Stock fund	$	383,094	$	—	$	—	$	383,094
Registered investment companies	77,315		—		—		77,315
Net investments in the fair value hierarchy	460,409		—		—		460,409
Investments valued at net asset value (a)	—		—		—		5,389,833
Total investments at fair value	$	460,409	$	—	$	—	$	5,850,242

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV).

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+ Details