MASON STREET ADVISORS, LLC
CRD #114085 SEC #801-60721 MILWAUKEE, WI 414-665-5400
SEC Registered Disclosures
Total AUM
$35B
Discretionary
$35B
Employees
13
Clients
--
Accounts
31
AUM Over Time
| Date | Total AUM | Discretionary | Non-Disc. | Employees | Clients |
|---|---|---|---|---|---|
| Nov 2025 | $35B | $35B | $0 | 13 | 0 |
| Mar 2025 | $35B | $35B | $0 | 13 | 0 |
| Nov 2024 | $28.6B | $28.6B | $0 | 14 | 0 |
| Jun 2024 | $28.6B | $28.6B | $0 | 14 | 0 |
| Mar 2024 | $28.6B | $28.6B | $0 | 14 | 0 |
| Feb 2024 | $25.6B | $25.6B | $0 | 12 | 0 |
| Sep 2023 | $25.6B | $25.6B | $0 | 12 | 0 |
| Mar 2023 | $25.6B | $25.6B | $0 | 12 | 0 |
| Jan 2023 | $31.6B | $31.6B | $0 | 11 | 0 |
| Mar 2022 | $31.6B | $31.6B | $0 | 11 | 0 |
| Jan 2022 | $28.8B | $28.8B | $0 | 6 | 0 |
| Dec 2021 | $28.8B | $28.8B | $0 | 6 | 0 |
| Sep 2021 | $28.8B | $28.8B | $0 | 6 | 0 |
| Mar 2021 | $28.8B | $28.8B | $0 | 6 | 1 |
| Feb 2021 | $30.8B | $30.8B | $0 | 11 | 0 |
| Jan 2021 | $30.8B | $30.8B | $0 | 11 | 0 |
| Jul 2020 | $30.8B | $30.8B | $0 | 11 | 0 |
| Mar 2020 | $30.8B | $30.8B | $0 | 11 | 0 |
| Oct 2019 | $27.7B | $27.7B | $0 | 11 | 0 |
| Mar 2019 | $27.7B | $27.7B | $0 | 11 | 0 |
| Mar 2018 | $30.8B | $30.8B | $0 | 11 | 0 |
| Mar 2017 | $26.4B | $26.4B | $0 | 12 | 1 |
| Mar 2016 | $19.3B | $19.3B | $0 | 12 | 1 |
| Mar 2015 | $20.5B | $20.5B | $0 | 12 | 1 |
| Feb 2015 | $20.5B | $20.5B | $0 | 12 | 1 |
| Mar 2014 | $123.3B | $123.3B | $0 | 69 | 1 |
| Oct 2013 | $114.3B | $114.3B | $0 | 70 | 1 |
| Sep 2013 | $114.3B | $114.3B | $0 | 70 | 1 |
| Jun 2013 | $114.3B | $114.3B | $0 | 70 | 1 |
| Jun 2013 | $114.3B | $114.3B | $0 | 70 | 1 |
| Mar 2013 | $114.3B | $114.3B | $0 | 70 | 1 |
| Sep 2012 | $105.5B | $105.5B | $0 | 51 | 1 |
| Mar 2012 | $105.5B | $105.5B | $0 | 51 | 1 |
| Mar 2009 | $72.3B | $72.3B | $0 | 51 | -- |
| Mar 2008 | $78.2B | $78.2B | $0 | 51 | -- |
| Apr 2007 | $73.2B | $73.2B | $0 | 51 | -- |
| Dec 2006 | $69.5B | $69.5B | $0 | 51 | -- |
| Aug 2004 | $66.4B | $66.4B | $0 | -- | -- |
| Mar 2004 | $66.4B | $66.4B | $0 | -- | -- |
| Apr 2002 | $52.2B | $52.2B | $0 | -- | -- |
| Mar 2002 | $52.2B | $52.2B | $0 | -- | -- |
DateNov 2025
Total AUM$35B
Discretionary$35B
Non-Disc.$0
Employees13
Clients0
DateMar 2025
Total AUM$35B
Discretionary$35B
Non-Disc.$0
Employees13
Clients0
DateNov 2024
Total AUM$28.6B
Discretionary$28.6B
Non-Disc.$0
Employees14
Clients0
DateJun 2024
Total AUM$28.6B
Discretionary$28.6B
Non-Disc.$0
Employees14
Clients0
DateMar 2024
Total AUM$28.6B
Discretionary$28.6B
Non-Disc.$0
Employees14
Clients0
DateFeb 2024
Total AUM$25.6B
Discretionary$25.6B
Non-Disc.$0
Employees12
Clients0
DateSep 2023
Total AUM$25.6B
Discretionary$25.6B
Non-Disc.$0
Employees12
Clients0
DateMar 2023
Total AUM$25.6B
Discretionary$25.6B
Non-Disc.$0
Employees12
Clients0
DateJan 2023
Total AUM$31.6B
Discretionary$31.6B
Non-Disc.$0
Employees11
Clients0
DateMar 2022
Total AUM$31.6B
Discretionary$31.6B
Non-Disc.$0
Employees11
Clients0
DateJan 2022
Total AUM$28.8B
Discretionary$28.8B
Non-Disc.$0
Employees6
Clients0
DateDec 2021
Total AUM$28.8B
Discretionary$28.8B
Non-Disc.$0
Employees6
Clients0
DateSep 2021
Total AUM$28.8B
Discretionary$28.8B
Non-Disc.$0
Employees6
Clients0
DateMar 2021
Total AUM$28.8B
Discretionary$28.8B
Non-Disc.$0
Employees6
Clients1
DateFeb 2021
Total AUM$30.8B
Discretionary$30.8B
Non-Disc.$0
Employees11
Clients0
DateJan 2021
Total AUM$30.8B
Discretionary$30.8B
Non-Disc.$0
Employees11
Clients0
DateJul 2020
Total AUM$30.8B
Discretionary$30.8B
Non-Disc.$0
Employees11
Clients0
DateMar 2020
Total AUM$30.8B
Discretionary$30.8B
Non-Disc.$0
Employees11
Clients0
DateOct 2019
Total AUM$27.7B
Discretionary$27.7B
Non-Disc.$0
Employees11
Clients0
DateMar 2019
Total AUM$27.7B
Discretionary$27.7B
Non-Disc.$0
Employees11
Clients0
DateMar 2018
Total AUM$30.8B
Discretionary$30.8B
Non-Disc.$0
Employees11
Clients0
DateMar 2017
Total AUM$26.4B
Discretionary$26.4B
Non-Disc.$0
Employees12
Clients1
DateMar 2016
Total AUM$19.3B
Discretionary$19.3B
Non-Disc.$0
Employees12
Clients1
DateMar 2015
Total AUM$20.5B
Discretionary$20.5B
Non-Disc.$0
Employees12
Clients1
DateFeb 2015
Total AUM$20.5B
Discretionary$20.5B
Non-Disc.$0
Employees12
Clients1
DateMar 2014
Total AUM$123.3B
Discretionary$123.3B
Non-Disc.$0
Employees69
Clients1
DateOct 2013
Total AUM$114.3B
Discretionary$114.3B
Non-Disc.$0
Employees70
Clients1
DateSep 2013
Total AUM$114.3B
Discretionary$114.3B
Non-Disc.$0
Employees70
Clients1
DateJun 2013
Total AUM$114.3B
Discretionary$114.3B
Non-Disc.$0
Employees70
Clients1
DateJun 2013
Total AUM$114.3B
Discretionary$114.3B
Non-Disc.$0
Employees70
Clients1
DateMar 2013
Total AUM$114.3B
Discretionary$114.3B
Non-Disc.$0
Employees70
Clients1
DateSep 2012
Total AUM$105.5B
Discretionary$105.5B
Non-Disc.$0
Employees51
Clients1
DateMar 2012
Total AUM$105.5B
Discretionary$105.5B
Non-Disc.$0
Employees51
Clients1
DateMar 2009
Total AUM$72.3B
Discretionary$72.3B
Non-Disc.$0
Employees51
Clients--
DateMar 2008
Total AUM$78.2B
Discretionary$78.2B
Non-Disc.$0
Employees51
Clients--
DateApr 2007
Total AUM$73.2B
Discretionary$73.2B
Non-Disc.$0
Employees51
Clients--
DateDec 2006
Total AUM$69.5B
Discretionary$69.5B
Non-Disc.$0
Employees51
Clients--
DateAug 2004
Total AUM$66.4B
Discretionary$66.4B
Non-Disc.$0
Employees--
Clients--
DateMar 2004
Total AUM$66.4B
Discretionary$66.4B
Non-Disc.$0
Employees--
Clients--
DateApr 2002
Total AUM$52.2B
Discretionary$52.2B
Non-Disc.$0
Employees--
Clients--
DateMar 2002
Total AUM$52.2B
Discretionary$52.2B
Non-Disc.$0
Employees--
Clients--