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SEIC
$102.43-1.39%
as of close, Oct 2, 2026
☾ AH $102.43 -1.39%
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SEI Investments Company returns by year

As of market close, Oct 2, 2026

SEI Investments Company returns by year (1982–2026)#

SEI Investments Company annual returns by year
YearTotal return
2026YTD
+25.6%
2025
+0.6%
2024
+31.5%
2023
+10.6%
2022
-2.9%
2021
+7.4%
2020
-11.1%
2019
+43.4%
2018
-34.9%
2017
+47.0%
2016
-4.8%
2015
+32.1%
2014
+16.8%
2013
+50.8%
2012
+34.5%
2011
-27.1%
2010
+35.8%
2009
+11.5%
2008
-51.2%
2007
+8.0%
2006
+61.0%
2005
-11.8%
2004
+37.6%
2003
+12.4%
2002
-39.4%
2001
-19.3%
2000
+183.3%
1999
+20.0%
1998
+137.6%
1997
+90.6%
1996
+3.5%
1995
+27.3%
1994
-33.7%
1993
+66.4%
1992
+22.8%
1991
+20.9%
1990
+20.2%
1989
+136.9%
1984
-36.7%
1983
+117.8%
1982
-13.5%
Annualized
+14.7%
1982–2026
Average year
+22.2%
39 full years
Best year
+183.3%
2000
Worst year
-51.2%
2008
Positive years
27/39
69% up

Total return by period#

Annual

Methodology#

Total returns, dividends reinvested, measured on SEIC. Annualized return is the compound annual growth rate; the current year is year-to-date. Past performance does not predict future returns.

FAQ#

What is SEI Investments Company's average annual return?
Since 1982, SEI Investments Company (SEIC) has returned about 14.7% a year (the compound annual growth rate) and an average calendar-year return of 22.2%.
What were SEI Investments Company's best and worst years?
Over 1982–2026, the best year was 2000 (+183.3%) and the worst was 2008 (-51.2%).
How often is SEI Investments Company up in a year?
27 of the 39 full years since 1982 were positive — about 69% of the time.

More on SEI Investments Company