Entity Common Stock, Shares Outstanding of SEI INVESTMENTS CO from 28 Jul 2010 to 09 Oct 2025

Taxonomy & unit
dei: shares
Description
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Summary
SEI INVESTMENTS CO quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 28 Jul 2010 to 09 Oct 2025.
  • SEI INVESTMENTS CO Entity Common Stock, Shares Outstanding for the quarter ending 09 Oct 2025 was 122,439,410, a 5% decline year-over-year.
Source SEC data
View on sec.gov
Entity Common Stock, Shares Outstanding, Quarterly (shares)
Entity Common Stock, Shares Outstanding, YoY Quarterly Change (%)

SEI INVESTMENTS CO Quarterly Entity Common Stock, Shares Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q3 2025 122,439,410 -6,469,238 -5% 09 Oct 2025 10-Q 27 Oct 2025 2025 Q3
Q2 2025 123,625,060 -6,267,828 -4.8% 10 Jul 2025 10-Q 28 Jul 2025 2025 Q2
Q1 2025 124,486,658 -6,901,789 -5.3% 10 Apr 2025 10-Q 28 Apr 2025 2025 Q1
Q4 2024 126,950,448 -4,401,857 -3.4% 31 Jan 2025 10-K 20 Feb 2025 2024 FY
Q3 2024 128,908,648 -2,679,045 -2% 22 Oct 2024 10-Q 25 Oct 2024 2024 Q3
Q2 2024 129,892,888 -2,465,167 -1.9% 17 Jul 2024 10-Q 26 Jul 2024 2024 Q2
Q1 2024 131,388,447 -1,917,640 -1.4% 11 Apr 2024 10-Q 29 Apr 2024 2024 Q1
Q4 2023 131,352,305 -2,911,733 -2.2% 31 Jan 2024 10-K 20 Feb 2024 2023 FY
Q3 2023 131,587,693 -3,240,788 -2.4% 12 Oct 2023 10-Q 27 Oct 2023 2023 Q3
Q2 2023 132,358,055 -3,130,978 -2.3% 13 Jul 2023 10-Q 28 Jul 2023 2023 Q2
Q1 2023 133,306,087 -3,959,463 -2.9% 18 Apr 2023 10-Q 24 Apr 2023 2023 Q1
Q4 2022 134,264,038 -4,090,013 -3% 31 Jan 2023 10-K 21 Feb 2023 2022 FY
Q3 2022 134,828,481 -4,624,026 -3.3% 20 Oct 2022 10-Q 28 Oct 2022 2022 Q3
Q2 2022 135,489,033 -5,587,595 -4% 15 Jul 2022 10-Q 25 Jul 2022 2022 Q2
Q1 2022 137,265,550 -5,544,209 -3.9% 21 Apr 2022 10-Q 25 Apr 2022 2022 Q1
Q4 2021 138,354,051 -5,162,619 -3.6% 31 Jan 2022 10-K 22 Feb 2022 2021 FY
Q3 2021 139,452,507 -5,117,378 -3.5% 21 Oct 2021 10-Q 25 Oct 2021 2021 Q3
Q2 2021 141,076,628 -5,424,966 -3.7% 22 Jul 2021 10-Q 26 Jul 2021 2021 Q2
Q1 2021 142,809,759 -5,122,196 -3.5% 23 Apr 2021 10-Q 26 Apr 2021 2021 Q1
Q4 2020 143,516,670 -6,458,851 -4.3% 29 Jan 2021 10-K 22 Feb 2021 2020 FY
Q3 2020 144,569,885 -5,686,353 -3.8% 21 Oct 2020 10-Q 26 Oct 2020 2020 Q3
Q2 2020 146,501,594 -4,522,208 -3% 23 Jul 2020 10-Q 28 Jul 2020 2020 Q2
Q1 2020 147,931,955 -4,588,228 -3% 17 Apr 2020 10-Q 28 Apr 2020 2020 Q1
Q4 2019 149,975,521 -3,714,584 -2.4% 31 Jan 2020 10-K 24 Feb 2020 2019 FY
Q3 2019 150,256,238 -5,284,030 -3.4% 17 Oct 2019 10-Q 24 Oct 2019 2019 Q3
Q2 2019 151,023,802 -5,802,228 -3.7% 18 Jul 2019 10-Q 25 Jul 2019 2019 Q2
Q1 2019 152,520,183 -5,564,120 -3.5% 18 Apr 2019 10-Q 25 Apr 2019 2019 Q1
Q4 2018 153,690,105 -3,588,209 -2.3% 31 Jan 2019 10-K 25 Feb 2019 2018 FY
Q3 2018 155,540,268 -1,932,878 -1.2% 18 Oct 2018 10-Q 25 Oct 2018 2018 Q3
Q2 2018 156,826,030 -1,281,529 -0.81% 16 Jul 2018 10-Q 24 Jul 2018 2018 Q2
Q1 2018 158,084,303 -625,501 -0.39% 19 Apr 2018 10-Q 26 Apr 2018 2018 Q1
Q4 2017 157,278,314 -1,897,767 -1.2% 31 Jan 2018 10-K 22 Feb 2018 2017 FY
Q3 2017 157,473,146 -2,525,737 -1.6% 19 Oct 2017 10-Q 26 Oct 2017 2017 Q3
Q2 2017 158,107,559 -3,218,596 -2% 20 Jul 2017 10-Q 27 Jul 2017 2017 Q2
Q1 2017 158,709,804 -3,283,262 -2% 13 Apr 2017 10-Q 20 Apr 2017 2017 Q1
Q4 2016 159,176,081 -4,473,637 -2.7% 31 Jan 2017 10-K 22 Feb 2017 2016 FY
Q3 2016 159,998,883 -4,639,976 -2.8% 13 Oct 2016 10-Q 21 Oct 2016 2016 Q3
Q2 2016 161,326,155 -4,562,382 -2.8% 21 Jul 2016 10-Q 27 Jul 2016 2016 Q2
Q1 2016 161,993,066 -4,147,930 -2.5% 19 Apr 2016 10-Q 20 Apr 2016 2016 Q1
Q4 2015 163,649,718 -3,182,326 -1.9% 29 Jan 2016 10-K 22 Feb 2016 2015 FY
Q3 2015 164,638,859 -2,597,060 -1.6% 16 Oct 2015 10-Q 21 Oct 2015 2015 Q3
Q2 2015 165,888,537 -1,876,901 -1.1% 17 Jul 2015 10-Q 22 Jul 2015 2015 Q2
Q1 2015 166,140,996 -3,018,407 -1.8% 17 Apr 2015 10-Q 22 Apr 2015 2015 Q1
Q4 2014 166,832,044 -2,657,395 -1.6% 30 Jan 2015 10-K 23 Feb 2015 2014 FY
Q3 2014 167,235,919 -3,372,134 -2% 21 Oct 2014 10-Q 23 Oct 2014 2014 Q3
Q2 2014 167,765,438 -4,005,326 -2.3% 22 Jul 2014 10-Q 23 Jul 2014 2014 Q2
Q1 2014 169,159,403 -3,244,234 -1.9% 22 Apr 2014 10-Q 23 Apr 2014 2014 Q1
Q4 2013 169,489,439 -3,152,999 -1.8% 31 Jan 2014 10-K 27 Feb 2014 2013 FY
Q3 2013 170,608,053 -2,290,581 -1.3% 22 Oct 2013 10-Q 24 Oct 2013 2013 Q3
Q2 2013 171,770,764 -1,785,841 -1% 24 Jul 2013 10-Q 26 Jul 2013 2013 Q2
Q1 2013 172,403,637 -3,129,533 -1.8% 24 Apr 2013 10-Q 26 Apr 2013 2013 Q1
Q4 2012 172,642,438 -3,949,492 -2.2% 31 Jan 2013 10-K 22 Feb 2013 2012 FY
Q3 2012 172,898,634 -5,885,592 -3.3% 24 Oct 2012 10-Q 26 Oct 2012 2012 Q3
Q2 2012 173,556,605 -9,022,823 -4.9% 31 Jul 2012 10-Q 02 Aug 2012 2012 Q2
Q1 2012 175,533,170 -9,677,057 -5.2% 30 Apr 2012 10-Q 03 May 2012 2012 Q1
Q4 2011 176,591,930 -9,522,675 -5.1% 31 Jan 2012 10-K 27 Feb 2012 2011 FY
Q3 2011 178,784,226 -8,239,519 -4.4% 31 Oct 2011 10-Q 03 Nov 2011 2011 Q3
Q2 2011 182,579,428 -5,909,361 -3.1% 31 Jul 2011 10-Q 04 Aug 2011 2011 Q2
Q1 2011 185,210,227 30 Apr 2011 10-Q 05 May 2011 2011 Q1
Q4 2010 186,114,605 31 Jan 2011 10-K 24 Feb 2011 2010 FY
Q3 2010 187,023,745 28 Oct 2010 10-Q 04 Nov 2010 2010 Q3
Q2 2010 188,488,789 28 Jul 2010 10-Q 05 Aug 2010 2010 Q2
* An asterisk sign (*) next to the value indicates that the value is likely invalid.