SEI Investments Company (SEIC)

SEI Investments Company Employees

SEI Investments Company had 5,029 employees as of December 31, 2025. The number of employees decreased by 69 or -1.35% compared to the previous year.

• Employees: 5,029
• Change (1Y): -69
• Growth (1Y): -1.35%
• Revenue / Employee: $456,827
• Profits / Employee: $142,236
• Market Cap: 9.41B

Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	5,029	-69	-1.35%
Dec 31, 2024	5,098	9	0.18%
Dec 31, 2023	5,089	252	5.21%
Dec 31, 2022	4,837	431	9.78%
Dec 31, 2021	4,406	418	10.48%
Dec 31, 2020	3,988	264	7.09%
Dec 31, 2019	3,724	-96	-2.51%
Dec 31, 2018	3,820	170	4.66%
Dec 31, 2017	3,650	407	12.55%
Dec 31, 2016	3,243	258	8.64%
Dec 31, 2015	2,985	161	5.70%
Dec 31, 2014	2,824	75	2.73%
Dec 31, 2013	2,749	170	6.59%
Dec 31, 2012	2,579	149	6.13%
Dec 31, 2011	2,430	140	6.11%
Dec 31, 2010	2,290	0	-
Dec 31, 2009	2,290	10	0.44%
Dec 31, 2008	2,280	-50	-2.15%
Dec 31, 2007	2,330	30	1.30%
Dec 31, 2006	2,300	159	7.43%
Dec 31, 2005	2,141	109	5.36%
Dec 31, 2004	2,032	174	9.36%
Dec 31, 2003	1,858	-32	-1.69%
Dec 31, 2002	1,890	0	-
Dec 31, 2001	1,890	90	5.00%
Dec 31, 2000	1,800	250	16.13%
Dec 31, 1999	1,550	241	18.41%
Dec 31, 1998	1,309	176	15.53%
Dec 31, 1997	1,133	0	-
Dec 31, 1996	1,133	-54	-4.55%
Dec 31, 1995	1,187	-	-

Sources: Annual number of employees according to filings submitted to the U.S. Securities and Exchange Commission (SEC). Data is also manually gathered from company press releases, IPO filings, and other official sources.