SEI INVESTMENTS MANAGEMENT CORP
CRD #105146 SEC #801-24593 OAKS, PA 610-676-1000
SEC Registered Private Funds Disclosures
Total AUM
$198.1B
Discretionary
$190.2B
Employees
447
Clients
251
Accounts
99,603
AUM Over Time
| Date | Total AUM | Discretionary | Non-Disc. | Employees | Clients |
|---|---|---|---|---|---|
| Dec 2025 | $198.1B | $190.2B | $7.9B | 447 | 0 |
| Oct 2025 | $198.1B | $190.2B | $7.9B | 447 | 0 |
| Aug 2025 | $198.1B | $190.2B | $7.9B | 447 | 0 |
| Jul 2025 | $198.1B | $190.2B | $7.9B | 447 | 0 |
| Mar 2025 | $198.1B | $190.2B | $7.9B | 447 | 0 |
| Sep 2024 | $194.8B | $187.5B | $7.2B | 411 | 0 |
| Jul 2024 | $194.8B | $187.5B | $7.2B | 411 | 0 |
| Jun 2024 | $194.8B | $187.5B | $7.2B | 411 | 0 |
| Mar 2024 | $194.8B | $187.5B | $7.2B | 411 | 0 |
| Mar 2024 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| Feb 2024 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| Dec 2023 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| Sep 2023 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| Jul 2023 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| May 2023 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| Mar 2023 | $180.9B | $174.2B | $6.6B | 406 | 0 |
| Dec 2022 | $222.8B | $214.1B | $8.7B | 379 | 0 |
| Mar 2022 | $222.8B | $214.1B | $8.7B | 379 | 0 |
| Jan 2022 | $207B | $198.9B | $8.1B | 417 | 0 |
| Mar 2021 | $207B | $198.9B | $8.1B | 417 | 0 |
| Jun 2020 | $195.2B | $187B | $8.2B | 402 | 0 |
| Apr 2020 | $195.2B | $187B | $8.2B | 402 | 0 |
| Mar 2020 | $195.2B | $187B | $8.2B | 402 | 0 |
| Feb 2020 | $178.1B | $167.8B | $10.3B | 401 | 0 |
| Dec 2019 | $178.1B | $167.8B | $10.3B | 401 | 0 |
| Sep 2019 | $178.1B | $167.8B | $10.3B | 401 | 0 |
| Aug 2019 | $178.1B | $167.8B | $10.3B | 401 | 0 |
| Jul 2019 | $178.1B | $167.8B | $10.3B | 401 | 0 |
| Mar 2019 | $178.1B | $167.8B | $10.3B | 401 | 0 |
| Feb 2019 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Feb 2019 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Nov 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Oct 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Oct 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Aug 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Jun 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| May 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| May 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Apr 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Apr 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Apr 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Mar 2018 | $192.3B | $180.4B | $11.9B | 403 | 0 |
| Jul 2017 | $166.9B | $156B | $10.9B | 379 | 28,300 |
| Jul 2017 | $166.9B | $156B | $10.9B | 379 | 28,300 |
| Jun 2017 | $166.9B | $156B | $10.9B | 379 | 28,300 |
| Apr 2017 | $166.9B | $156B | $10.9B | 379 | 28,300 |
| Mar 2017 | $166.9B | $156B | $10.9B | 379 | 28,300 |
| Dec 2016 | $162.3B | $151.9B | $10.4B | 379 | 28,300 |
| Dec 2016 | $162.3B | $151.9B | $10.4B | 379 | 28,300 |
| May 2016 | $162.3B | $151.9B | $10.4B | 379 | 28,300 |
| Mar 2016 | $162.3B | $151.9B | $10.4B | 379 | 28,300 |
| Jan 2016 | $159.7B | $149.4B | $10.3B | 378 | 20,268 |
| Dec 2015 | $159.7B | $149.4B | $10.3B | 378 | 20,268 |
| Aug 2015 | $159.7B | $149.4B | $10.3B | 378 | 20,268 |
| Jul 2015 | $159.7B | $149.4B | $10.3B | 378 | 20,268 |
| Apr 2015 | $159.7B | $149.4B | $10.3B | 378 | 20,268 |
| Mar 2015 | $159.7B | $149.4B | $10.3B | 378 | 20,268 |
| Sep 2014 | $134.3B | $134.3B | $0 | 333 | 11,900 |
| Aug 2014 | $134.3B | $134.3B | $0 | 333 | 11,900 |
| Aug 2014 | $134.3B | $134.3B | $0 | 333 | 11,900 |
| Mar 2014 | $134.3B | $134.3B | $0 | 333 | 11,900 |
| Jul 2013 | $118.5B | $118.5B | $0 | 323 | 7,400 |
| Apr 2013 | $118.5B | $118.5B | $0 | 323 | 7,400 |
| Apr 2013 | $118.5B | $118.5B | $0 | 323 | 7,400 |
| Apr 2013 | $118.5B | $118.5B | $0 | 323 | 7,400 |
| Jan 2013 | $92.6B | $92.6B | $0 | 289 | 5,700 |
| May 2012 | $92.6B | $92.6B | $0 | 251 | 5,700 |
| May 2012 | $9.3B | $9.3B | $0 | 251 | 5,700 |
| May 2012 | $9.3B | $9.3B | $0 | 251 | 5,700 |
| Mar 2012 | $9.3B | $9.3B | $0 | 251 | 5,700 |
| Mar 2011 | $91B | $91B | $0 | 251 | -- |
| Mar 2010 | $86.7B | $86.7B | $0 | 251 | -- |
| Mar 2009 | $77.7B | $77.4B | $304M | 251 | -- |
| Mar 2008 | $92.6B | $92.1B | $469.1M | 51 | -- |
| Feb 2008 | $82.9B | $82.4B | $425M | 51 | -- |
| Mar 2007 | $82.9B | $82.4B | $425M | 51 | -- |
| Feb 2006 | $71.1B | $70.3B | $712M | 51 | -- |
| Jul 2004 | $57B | $56.9B | $50M | 51 | -- |
| Mar 2004 | $57B | $56.9B | $50M | 51 | -- |
| Jan 2004 | $42.8B | $42.7B | $79.8M | 51 | -- |
| Dec 2003 | $42.8B | $42.7B | $79.8M | 51 | -- |
| Dec 2003 | $42.8B | $42.7B | $79.8M | 51 | -- |
| Nov 2003 | $42.8B | $42.7B | $79.8M | 51 | -- |
DateDec 2025
Total AUM$198.1B
Discretionary$190.2B
Non-Disc.$7.9B
Employees447
Clients0
DateOct 2025
Total AUM$198.1B
Discretionary$190.2B
Non-Disc.$7.9B
Employees447
Clients0
DateAug 2025
Total AUM$198.1B
Discretionary$190.2B
Non-Disc.$7.9B
Employees447
Clients0
DateJul 2025
Total AUM$198.1B
Discretionary$190.2B
Non-Disc.$7.9B
Employees447
Clients0
DateMar 2025
Total AUM$198.1B
Discretionary$190.2B
Non-Disc.$7.9B
Employees447
Clients0
DateSep 2024
Total AUM$194.8B
Discretionary$187.5B
Non-Disc.$7.2B
Employees411
Clients0
DateJul 2024
Total AUM$194.8B
Discretionary$187.5B
Non-Disc.$7.2B
Employees411
Clients0
DateJun 2024
Total AUM$194.8B
Discretionary$187.5B
Non-Disc.$7.2B
Employees411
Clients0
DateMar 2024
Total AUM$194.8B
Discretionary$187.5B
Non-Disc.$7.2B
Employees411
Clients0
DateMar 2024
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateFeb 2024
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateDec 2023
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateSep 2023
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateJul 2023
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateMay 2023
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateMar 2023
Total AUM$180.9B
Discretionary$174.2B
Non-Disc.$6.6B
Employees406
Clients0
DateDec 2022
Total AUM$222.8B
Discretionary$214.1B
Non-Disc.$8.7B
Employees379
Clients0
DateMar 2022
Total AUM$222.8B
Discretionary$214.1B
Non-Disc.$8.7B
Employees379
Clients0
DateJan 2022
Total AUM$207B
Discretionary$198.9B
Non-Disc.$8.1B
Employees417
Clients0
DateMar 2021
Total AUM$207B
Discretionary$198.9B
Non-Disc.$8.1B
Employees417
Clients0
DateJun 2020
Total AUM$195.2B
Discretionary$187B
Non-Disc.$8.2B
Employees402
Clients0
DateApr 2020
Total AUM$195.2B
Discretionary$187B
Non-Disc.$8.2B
Employees402
Clients0
DateMar 2020
Total AUM$195.2B
Discretionary$187B
Non-Disc.$8.2B
Employees402
Clients0
DateFeb 2020
Total AUM$178.1B
Discretionary$167.8B
Non-Disc.$10.3B
Employees401
Clients0
DateDec 2019
Total AUM$178.1B
Discretionary$167.8B
Non-Disc.$10.3B
Employees401
Clients0
DateSep 2019
Total AUM$178.1B
Discretionary$167.8B
Non-Disc.$10.3B
Employees401
Clients0
DateAug 2019
Total AUM$178.1B
Discretionary$167.8B
Non-Disc.$10.3B
Employees401
Clients0
DateJul 2019
Total AUM$178.1B
Discretionary$167.8B
Non-Disc.$10.3B
Employees401
Clients0
DateMar 2019
Total AUM$178.1B
Discretionary$167.8B
Non-Disc.$10.3B
Employees401
Clients0
DateFeb 2019
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateFeb 2019
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateNov 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateOct 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateOct 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateAug 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateJun 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateMay 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateMay 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateApr 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateApr 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateApr 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateMar 2018
Total AUM$192.3B
Discretionary$180.4B
Non-Disc.$11.9B
Employees403
Clients0
DateJul 2017
Total AUM$166.9B
Discretionary$156B
Non-Disc.$10.9B
Employees379
Clients28,300
DateJul 2017
Total AUM$166.9B
Discretionary$156B
Non-Disc.$10.9B
Employees379
Clients28,300
DateJun 2017
Total AUM$166.9B
Discretionary$156B
Non-Disc.$10.9B
Employees379
Clients28,300
DateApr 2017
Total AUM$166.9B
Discretionary$156B
Non-Disc.$10.9B
Employees379
Clients28,300
DateMar 2017
Total AUM$166.9B
Discretionary$156B
Non-Disc.$10.9B
Employees379
Clients28,300
DateDec 2016
Total AUM$162.3B
Discretionary$151.9B
Non-Disc.$10.4B
Employees379
Clients28,300
DateDec 2016
Total AUM$162.3B
Discretionary$151.9B
Non-Disc.$10.4B
Employees379
Clients28,300
DateMay 2016
Total AUM$162.3B
Discretionary$151.9B
Non-Disc.$10.4B
Employees379
Clients28,300
DateMar 2016
Total AUM$162.3B
Discretionary$151.9B
Non-Disc.$10.4B
Employees379
Clients28,300
DateJan 2016
Total AUM$159.7B
Discretionary$149.4B
Non-Disc.$10.3B
Employees378
Clients20,268
DateDec 2015
Total AUM$159.7B
Discretionary$149.4B
Non-Disc.$10.3B
Employees378
Clients20,268
DateAug 2015
Total AUM$159.7B
Discretionary$149.4B
Non-Disc.$10.3B
Employees378
Clients20,268
DateJul 2015
Total AUM$159.7B
Discretionary$149.4B
Non-Disc.$10.3B
Employees378
Clients20,268
DateApr 2015
Total AUM$159.7B
Discretionary$149.4B
Non-Disc.$10.3B
Employees378
Clients20,268
DateMar 2015
Total AUM$159.7B
Discretionary$149.4B
Non-Disc.$10.3B
Employees378
Clients20,268
DateSep 2014
Total AUM$134.3B
Discretionary$134.3B
Non-Disc.$0
Employees333
Clients11,900
DateAug 2014
Total AUM$134.3B
Discretionary$134.3B
Non-Disc.$0
Employees333
Clients11,900
DateAug 2014
Total AUM$134.3B
Discretionary$134.3B
Non-Disc.$0
Employees333
Clients11,900
DateMar 2014
Total AUM$134.3B
Discretionary$134.3B
Non-Disc.$0
Employees333
Clients11,900
DateJul 2013
Total AUM$118.5B
Discretionary$118.5B
Non-Disc.$0
Employees323
Clients7,400
DateApr 2013
Total AUM$118.5B
Discretionary$118.5B
Non-Disc.$0
Employees323
Clients7,400
DateApr 2013
Total AUM$118.5B
Discretionary$118.5B
Non-Disc.$0
Employees323
Clients7,400
DateApr 2013
Total AUM$118.5B
Discretionary$118.5B
Non-Disc.$0
Employees323
Clients7,400
DateJan 2013
Total AUM$92.6B
Discretionary$92.6B
Non-Disc.$0
Employees289
Clients5,700
DateMay 2012
Total AUM$92.6B
Discretionary$92.6B
Non-Disc.$0
Employees251
Clients5,700
DateMay 2012
Total AUM$9.3B
Discretionary$9.3B
Non-Disc.$0
Employees251
Clients5,700
DateMay 2012
Total AUM$9.3B
Discretionary$9.3B
Non-Disc.$0
Employees251
Clients5,700
DateMar 2012
Total AUM$9.3B
Discretionary$9.3B
Non-Disc.$0
Employees251
Clients5,700
DateMar 2011
Total AUM$91B
Discretionary$91B
Non-Disc.$0
Employees251
Clients--
DateMar 2010
Total AUM$86.7B
Discretionary$86.7B
Non-Disc.$0
Employees251
Clients--
DateMar 2009
Total AUM$77.7B
Discretionary$77.4B
Non-Disc.$304M
Employees251
Clients--
DateMar 2008
Total AUM$92.6B
Discretionary$92.1B
Non-Disc.$469.1M
Employees51
Clients--
DateFeb 2008
Total AUM$82.9B
Discretionary$82.4B
Non-Disc.$425M
Employees51
Clients--
DateMar 2007
Total AUM$82.9B
Discretionary$82.4B
Non-Disc.$425M
Employees51
Clients--
DateFeb 2006
Total AUM$71.1B
Discretionary$70.3B
Non-Disc.$712M
Employees51
Clients--
DateJul 2004
Total AUM$57B
Discretionary$56.9B
Non-Disc.$50M
Employees51
Clients--
DateMar 2004
Total AUM$57B
Discretionary$56.9B
Non-Disc.$50M
Employees51
Clients--
DateJan 2004
Total AUM$42.8B
Discretionary$42.7B
Non-Disc.$79.8M
Employees51
Clients--
DateDec 2003
Total AUM$42.8B
Discretionary$42.7B
Non-Disc.$79.8M
Employees51
Clients--
DateDec 2003
Total AUM$42.8B
Discretionary$42.7B
Non-Disc.$79.8M
Employees51
Clients--
DateNov 2003
Total AUM$42.8B
Discretionary$42.7B
Non-Disc.$79.8M
Employees51
Clients--