SEI Investments Company (SEIC)
NASDAQ: SEIC · Real-Time Price · USD
104.70
+1.45 (1.40%)
Oct 9, 2026, 4:00 PM EDT - Market closed
SEI Investments Company Market Cap
SEI Investments Company has a market cap or net worth of $12.57 billion as of October 9, 2026. It is the 1,804th most valuable company in the world and the 652nd biggest in the United States. Its market cap has increased by 20.15% in one year.
Market Cap
12.57B
Enterprise Value
12.21B
1-Year Change
20.15%
Global Rank
Country Rank
#652 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, SEI Investments Company's market cap has increased from $1.70B to $12.57B, an increase of 641.31%. That is a compound annual growth rate of 7.45%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 9, 2026 | 12.57B | 25.13% |
| 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
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