v3.26.1
Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2026
Accounting Policies [Abstract]  
Redeemable Noncontrolling Interest
Changes in the Company's redeemable non-controlling interests are as follows:
Redeemable Non-controlling Interests
Balance, December 31, 2025
$243,959 
Increase from acquisition10,400 
Net income attributable to non-controlling interests1,749 
Capital contributions from non-controlling interests, net1,000 
Capital distributions to non-controlling interests(54)
Redemption value remeasurement12,847 
Balance, March 31, 2026
$269,901 
Schedule of Calculation of Basic and Diluted Earnings Per Share
The calculations of basic and diluted earnings per share for the three months ended March 31, 2026 and 2025 are:
 Three Months Ended March 31,
 20262025
Net income$176,787 $151,517 
Less: Net income attributable to non-controlling interests2,300 — 
Net income attributable to SEI Investments Company$174,487 $151,517 
Shares used to compute basic earnings per common share121,659,000 126,561,000 
Dilutive effect of stock awards2,835,000 2,889,000 
Shares used to compute diluted earnings per common share124,494,000 129,450,000 
Basic earnings per common share$1.43 $1.20 
Diluted earnings per common share$1.40 $1.17