Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2026

Fair Value Disclosures [Abstract]

Schedule of Fair Value Of Certain Financial Assets And Liabilities

The fair value of certain financial assets and liabilities of the Company was determined using the following inputs:


						At March 31, 2026
						Level 1						Level 2						Level 3						NAV as a Practical Expedient						Total
Financial Assets
SEI Investments Company
Equity securities						$	67,379					$	—					$	—					$	—					$	67,379
Available-for-sale debt securities						—						161,221						—						—						161,221
Securities owned						—						32,093						—						—						32,093
Investment funds sponsored by LSV						—						—						—						12,389						12,389
Investments in limited partnership funds						—						—						—						1,281						1,281
Total financial assets of SEI Investments Company						67,379						193,314						—						13,670						274,363
Consolidated VIEs
Equity securities						122,567						—						—						—						122,567
Total financial assets of consolidated VIEs						122,567						—						—						—						122,567
Total financial assets measured at fair value						$	189,946					$	193,314					$	—					$	13,670					$	396,930

Financial Liabilities
SEI Investments Company
Contingent considerations						$	—					$	—					$	7,834					$	—					$	7,834
Total financial liabilities of SEI Investments Company						—						—						7,834						—						7,834
Consolidated VIEs
Securities sold short						120,134						—						—						—						120,134
Total financial liabilities of consolidated VIEs						120,134						—						—						—						120,134
Total financial liabilities measured at fair value						$	120,134					$	—					$	7,834					$	—					$	127,968


						At December 31, 2025
						Level 1						Level 2						Level 3						NAV as a Practical Expedient						Total
Financial Assets
SEI Investments Company
Equity securities						$	67,414					$	—					$	—					$	—					$	67,414
Available-for-sale debt securities						—						158,690						—						—						158,690
Securities owned						—						33,777						—						—						33,777
Investment funds sponsored by LSV						—						—						—						11,593						11,593
Investments in limited partnership funds						—						—						—						1,158						1,158
Total financial assets of SEI Investments Company
Consolidated VIEs
Equity securities						113,119						—						—						—						113,119
Total financial assets of consolidated VIEs						113,119						—						—						—						113,119
Total financial assets measured at fair value						$	180,533					$	192,467					$	—					$	12,751					$	385,751

Financial Liabilities
SEI Investments Company
Contingent considerations						$	—					$	—					$	7,834					$	—					$	7,834
Total financial liabilities of SEI Investments Company						—						—						7,834						—						7,834
Consolidated VIEs
Securities sold short						108,243						—						—						—						108,243
Total financial liabilities of consolidated VIEs						108,243						—						—						—						108,243
Total financial liabilities measured at fair value						$	108,243					$	—					$	7,834					$	—					$	116,077