v3.25.3

Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 164,586	$ 154,900	$ 543,186	$ 425,420
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(3,855)	12,413	18,038	9,071
Unrealized gain (loss) on investments:
Unrealized gains (losses) during the period, net of income taxes of $(276), $(1,007), $(1,410) and $(463)	924	3,373	4,731	1,546
Reclassification adjustment for gains realized in net income, net of income taxes of $18, $21, $49 and $76	(64)	(70)	(172)	(251)
Total other comprehensive (loss) income, net of tax	(2,995)	15,716	22,597	10,366
Comprehensive income	161,591	170,616	565,783	435,786
Less: Comprehensive income attributable to the non-controlling interests	382	0	382	0
Comprehensive income attributable to SEI Investments Company	$ 161,209	$ 170,616	$ 565,401	$ 435,786

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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