What is SEI Investments's market cap?

SEI Investments (SEIC) has a market capitalization of $11.13B as of June 12, 2026. Market cap is the total market value of the company's outstanding shares (share price × shares outstanding), shown here in US dollars (USD).

How is SEI Investments's market cap calculated, and what currency is it in?

Market capitalization is calculated by multiplying SEI Investments's share price by its total shares outstanding. Although SEI Investments reports its financial statements in USD, market cap on this page is shown in US dollars (USD) for comparability with other companies.

What is the highest market cap SEI Investments has reached?

SEI Investments (SEIC) reached its all-time high market cap of $12.70B on March 21, 2018, based on daily closing values in our history.

What is the lowest market cap SEI Investments has reached?

SEI Investments (SEIC) recorded its all-time low market cap of $1.80B on March 9, 2009 in the available daily history.

Is SEI Investments's market cap above or below its 5-year average?

At $11.13B, SEI Investments's market cap is currently above its five-year average of $9.09B.

What was SEI Investments's market cap in 2025?

SEI Investments (SEIC) ended 2025 with a market cap of $10.27B.

What was SEI Investments's market cap in 2026?

SEI Investments (SEIC) ended 2026 with a market cap of $11.13B.

SEI Investments (SEIC) Market Cap History

Current

$11.13B

As of Jun 12, 2026

5-Year Average

$9.09B

All-Time High

$12.70B

Mar 21, 2018

All-Time Low

$1.80B

Mar 9, 2009

Market cap daily chart for SEI Investments (SEIC)

Jun 16, 2021 – Jun 12, 2026 · 1,254 trading days

Market Cap growth chart for SEI Investments (SEIC) from 1985 to 2026

Latest: +8.3%

Market Cap history table for SEI Investments (SEIC) from 1985 to 2026


2026	$11.13B	+8.3%	+$856.68M	Jun 12, 2026	Apr 27, 2026
2025	$10.27B	-5.4%	−$591.76M	Dec 31, 2025	Feb 23, 2026
2024	$10.86B	+27.8%	+$2.37B	Dec 31, 2024	Feb 20, 2025
2023	$8.50B	+6.1%	+$486.65M	Dec 31, 2023	Feb 20, 2024
2022	$8.01B	-8.3%	−$721.67M	Dec 31, 2022	Feb 21, 2023
2021	$8.73B	+2.0%	+$170.23M	Dec 31, 2021	Feb 22, 2022
2020	$8.56B	-15.6%	−$1.58B	Dec 31, 2020	Feb 22, 2021
2019	$10.14B	+36.2%	+$2.69B	Dec 31, 2019	Feb 24, 2020
2018	$7.45B	-36.1%	−$4.21B	Dec 31, 2018	Feb 25, 2019
2017	$11.66B	+43.7%	+$3.54B	Dec 31, 2017	Feb 22, 2018
2016	$8.12B	-8.7%	−$770.62M	Dec 31, 2016	Feb 22, 2017
2015	$8.89B	+28.6%	+$1.98B	Dec 31, 2015	Feb 22, 2016
2014	$6.91B	+13.2%	+$806.82M	Dec 31, 2014	Feb 23, 2015
2013	$6.10B	+48.7%	+$2.00B	Dec 31, 2013	Feb 27, 2014
2012	$4.10B	+28.5%	+$910.25M	Dec 31, 2012	Feb 22, 2013
2011	$3.19B	-29.4%	−$1.33B	Dec 31, 2011	Feb 27, 2012
2010	$4.53B	+34.8%	+$1.17B	Dec 31, 2010	Feb 24, 2011
2009	$3.36B	+9.6%	+$292.93M	Dec 31, 2009	Feb 25, 2010
2008	$3.07B	-53.0%	−$3.46B	Dec 31, 2008	Feb 25, 2009
2007	$6.53B	+8.2%	+$497.63M	Dec 31, 2007	Feb 26, 2008
2006	$6.03B	+58.4%	+$2.22B	Dec 31, 2006	Feb 23, 2007
2005	$3.81B	-14.0%	−$620.30M	Dec 31, 2005	Mar 16, 2006
2004	$4.43B	+34.1%	+$1.13B	Dec 31, 2004	Mar 14, 2005
2003	$3.30B	+8.1%	+$246.09M	Dec 31, 2003	Mar 15, 2004
2002	$3.06B	-40.9%	−$2.12B	Dec 31, 2002	Mar 28, 2003
2001	$5.17B	-18.8%	−$1.20B	Dec 31, 2001	Mar 28, 2002
2000	$6.37B	+181.6%	+$4.11B	Dec 31, 2000	Mar 29, 2001
1999	$2.26B	+18.8%	+$357.36M	Dec 31, 1999	Mar 29, 2000
1998	$1.90B	+136.9%	+$1.10B	Dec 31, 1998	Mar 29, 1999
1997	$804.00M	+86.4%	+$372.69M	Dec 31, 1997	Mar 27, 1998
1996	$431.31M	-2.9%	−$12.96M	Dec 31, 1996	Mar 31, 1997
1995	$444.27M	+27.9%	+$96.87M	Dec 31, 1995	Mar 29, 1996
1994	$347.40M	-31.0%	−$156.30M	Dec 31, 1994	Dec 31, 1994
1993	$503.70M	+62.7%	+$194.10M	Dec 31, 1993	Dec 31, 1993
1992	$309.60M	+6.6%	+$19.20M	Dec 31, 1992	Dec 31, 1992
1991	$290.40M	+17.8%	+$43.92M	Dec 31, 1991	Dec 31, 1991
1990	$246.48M	+23.9%	+$47.61M	Dec 31, 1990	Dec 31, 1990
1989	$198.86M	-7.0%	−$15.02M	Dec 31, 1989	Dec 31, 1989
1988	$213.89M	+12.4%	+$23.65M	Dec 31, 1988	Dec 31, 1988
1987	$190.24M	+73.8%	+$80.78M	Dec 31, 1987	Dec 31, 1987
1986	$109.46M	-11.7%	−$14.57M	Dec 31, 1986	Dec 31, 1986
1985	$124.03M	—	—	Dec 31, 1985	Dec 31, 1985

2026$11.13B+8.3%
2025$10.27B-5.4%
2024$10.86B+27.8%
2023$8.50B+6.1%
2022$8.01B-8.3%
2021$8.73B+2.0%
2020$8.56B-15.6%
2019$10.14B+36.2%
2018$7.45B-36.1%
2017$11.66B+43.7%
2016$8.12B-8.7%
2015$8.89B+28.6%
2014$6.91B+13.2%
2013$6.10B+48.7%
2012$4.10B+28.5%
2011$3.19B-29.4%
2010$4.53B+34.8%
2009$3.36B+9.6%
2008$3.07B-53.0%
2007$6.53B+8.2%
2006$6.03B+58.4%
2005$3.81B-14.0%
2004$4.43B+34.1%
2003$3.30B+8.1%
2002$3.06B-40.9%
2001$5.17B-18.8%
2000$6.37B+181.6%
1999$2.26B+18.8%
1998$1.90B+136.9%
1997$804.00M+86.4%
1996$431.31M-2.9%
1995$444.27M+27.9%
1994$347.40M-31.0%
1993$503.70M+62.7%
1992$309.60M+6.6%
1991$290.40M+17.8%
1990$246.48M+23.9%
1989$198.86M-7.0%
1988$213.89M+12.4%
1987$190.24M+73.8%
1986$109.46M-11.7%
1985$124.03M—

Market Cap values are taken from SEI Investments's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at SEI Investments (SEIC)

According to SEI Investments's latest reported financial statements, the company's latest reported market cap is $9.77B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending March 31, 2026 (reported April 27, 2026). Chart and table below cover the full reported history back to 1985.

SEI Investments (SEIC) most recent annual market cap stands at $11.13B (2026) – grew 8.3% year-over-year.

Across 2021–2026 (5 years), SEI Investments market cap produced a CAGR of +5.0% – with mixed annual results across the window.

Between 2017 and 2026, SEI Investments market cap edged down 4.6%, falling from $11.66B to $11.13B.

The highest annual market cap of $11.66B was reported in 2017. The lowest in the available history was $109.46M in 1986.

SEI Investments Market Cap by Year

SEI Investments Market Cap 2026: $11.13B

SEI Investments posted market cap of $11.13B in 2026, grew 8.3% from 2025.

SEI Investments Market Cap 2025: $10.27B

In 2025, SEI Investments reported market cap of $10.27B, declined 5.4% below 2024.

SEI Investments Market Cap 2024: $10.86B

SEI Investments market cap in 2024 was $10.86B, grew 27.8% from 2023.

SEI Investments Market Cap 2023: $8.50B

2023's market cap for SEI Investments came in at $8.50B, grew 6.1% from 2022.

SEI Investments Market Cap 2022: $8.01B

SEI Investments market cap in 2022 was $8.01B.

See more financial history for SEI Investments (SEIC).

Sector peers by Market Cap

Financial Services peers of SEI Investments (SEIC), ranked by their latest market cap


Berkshire Hathaway (BRK-B)	$1.06T
JPMorgan Chase (JPM)	$859.37B
Visa (V)	$617.97B
Mastercard (MA)	$432.94B
Bank of America (BAC)	$397.55B
Morgan Stanley (MS)	$337.60B
Goldman Sachs (GS)	$313.52B
Wells Fargo (WFC)	$256.26B

Frequently asked questions

SEI Investments (SEIC) Key Financials

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