SEI Investments Company (SEIC)

NASDAQ: SEIC · Real-Time Price · USD

81.16

-0.28 (-0.34%)

At close: Mar 9, 2026, 4:00 PM EDT

81.16

0.00 (0.00%)

After-hours: Mar 9, 2026, 4:20 PM EDT

SEI Investments Company Market Cap

SEI Investments Company has a market cap or net worth of $9.92 billion as of March 9, 2026. Its market cap has decreased by -4.97% in one year.

Market Cap

9.92B

Enterprise Value

9.41B

1-Year Change

-4.97%

Ranking

#919

Market Cap Chart

Since December 1, 1998, SEI Investments Company's market cap has increased from $1.70B to $9.92B, an increase of 485.31%. That is a compound annual growth rate of 6.69%.

Market Cap History

Date	Market Cap	% Change
Mar 6, 2026	9.96B	-0.86%
Dec 31, 2025	10.04B	-5.55%
Dec 31, 2024	10.63B	27.15%
Dec 29, 2023	8.36B	6.39%
Dec 30, 2022	7.86B	-7.50%
Dec 31, 2021	8.50B	2.28%
Dec 31, 2020	8.31B	-15.55%
Dec 31, 2019	9.84B	36.92%
Dec 31, 2018	7.19B	-36.50%
Dec 29, 2017	11.32B	43.29%
Dec 30, 2016	7.90B	-8.46%
Dec 31, 2015	8.63B	28.84%
Dec 31, 2014	6.70B	13.01%
Dec 31, 2013	5.93B	46.83%
Dec 31, 2012	4.04B	30.10%
Dec 30, 2011	3.10B	-30.28%
Dec 31, 2010	4.45B	33.33%
Dec 31, 2009	3.34B	11.45%
Dec 31, 2008	2.99B	-52.11%
Dec 31, 2007	6.25B	6.14%
Dec 29, 2006	5.89B	60.43%
Dec 30, 2005	3.67B	-14.57%
Dec 31, 2004	4.30B	33.80%
Dec 31, 2003	3.21B	11.44%
Dec 31, 2002	2.88B	-40.85%

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings