MASON STREET ADVISORS, LLC
CIK: 0001167711Latest portfolio: $1.0B · Q4 2025
Holdings
15
Total Value
$1.0B
New Positions
15
Closed Positions
0
Top Holdings
| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | AGGISHARES TR | 3,107,230 | $310.4M | 30.54% | NEW | |
| 2 | IVVISHARES TR | 210,793 | $144.4M | 14.21% | NEW | |
| 3 | SPTLSPDR SERIES TRUST | 3,997,680 | $105.8M | 10.41% | NEW | |
| 4 | SPMDSPDR SERIES TRUST | 1,587,390 | $91.9M | 9.04% | NEW | |
| 5 | SPSMSPDR SERIES TRUST | 1,293,880 | $60.6M | 5.97% | NEW | |
| 6 | IJRISHARES TR | 639,005 | $57.2M | 5.62% | NEW | |
| 7 | RSPINVESCO EXCHANGE TRADED FD T | 259,430 | $49.7M | 4.89% | NEW | |
| 8 | IJHISHARES TR | 289,860 | $39.6M | 3.90% | NEW | |
| 9 | RWRSPDR SERIES TRUST | 366,555 | $36.0M | 3.54% | NEW | |
| 10 | SCHHSCHWAB STRATEGIC TR | 1,713,085 | $35.8M | 3.52% | NEW | |
| 11 | IQLTISHARES TR | 748,240 | $34.0M | 3.35% | NEW | |
| 12 | JPSTJ P MORGAN EXCHANGE TRADED F | 480,735 | $24.3M | 2.39% | NEW | |
| 13 | DFIVDIMENSIONAL ETF TRUST | 393,365 | $19.6M | 1.93% | NEW | |
| 14 | BCIABRDN ETFS | 337,715 | $6.6M | 0.65% | NEW | |
| 15 | AQLTISHARES TR | 5,700 | $383K | 0.04% | NEW |
Quarterly Changes
Sector Breakdown
Financial Services0.0% ($3.1035014438010576e+62T)
Unknown0.0% ($383K)
Filing History
| Quarter | Filing Date | Portfolio Value | Holdings |
|---|---|---|---|
| Q4 2025 | Feb 4, 2026 | $1.0B | 15 |
| Q3 2025 | Oct 31, 2025 | $964.8B | 0 |
| Q2 2025 | Aug 8, 2025 | $854.5B | 15 |
| Q1 2025 | May 14, 2025 | $786.1B | 13 |
| Q4 2024 | Feb 10, 2025 | $772.6B | 12 |
| Q3 2024 | Nov 12, 2024 | $823.5B | 12 |
| Q2 2024 | Aug 15, 2024 | $743.0B | 12 |
| Q1 2024 | May 15, 2024 | $594.2B | 8 |
| Q4 2023 | Feb 13, 2024 | $544.7B | 7 |
| Q3 2023 | Nov 14, 2023 | $520.8B | 8 |
| Q2 2023 | Aug 14, 2023 | $537.3B | 8 |
| Q1 2023 | May 15, 2023 | $452.4B | 9 |
| Q4 2022 | Feb 21, 2023 | $402.1B | 9 |
| Q3 2022 | Nov 14, 2022 | $344.9M | 9 |
| Q2 2022 | Aug 15, 2022 | $285.6M | 10 |
| Q1 2022 | May 9, 2022 | $169.8M | 11 |
| Q4 2021 | Feb 3, 2022 | $137.6M | 9 |
| Q3 2021 | Nov 15, 2021 | $134.1M | 9 |
| Q2 2021 | Aug 13, 2021 | $111.2M | 8 |
| Q1 2021 | May 14, 2021 | $113.8M | 7 |
| Q4 2020 | Feb 12, 2021 | $5.9B | 1,515 |
| Q3 2020 | Nov 13, 2020 | $5.1B | 1,516 |
| Q2 2020 | Aug 14, 2020 | $4.9B | 1,516 |
| Q1 2020 | May 8, 2020 | $4.3B | 1,535 |
| Q4 2019 | Feb 19, 2020 | $5.1B | 1,516 |
| Q3 2019 | Nov 5, 2019 | $4.8B | 1,516 |
| Q2 2019 | Aug 12, 2019 | $4.7B | 1,513 |
| Q1 2019 | May 7, 2019 | $4.8B | 1,560 |
| Q4 2018 | Feb 13, 2019 | $4.0B | 1,514 |
| Q3 2018 | Nov 13, 2018 | $4.7B | 1,512 |
| Q2 2018 | Aug 14, 2018 | $4.5B | 1,512 |
| Q1 2018 | May 14, 2018 | $4.2B | 1,510 |
| Q4 2017 | Feb 14, 2018 | $4.3B | 1,511 |
| Q3 2017 | Nov 13, 2017 | $4.1B | 1,512 |
| Q2 2017 | Aug 14, 2017 | $4.0B | 1,515 |
| Q1 2017 | May 9, 2017 | $3.9B | 1,517 |
| Q4 2016 | Feb 14, 2017 | $3.7B | 1,514 |
| Q3 2016 | Nov 14, 2016 | $3.5B | 1,517 |
| Q2 2016 | Aug 29, 2016 | $3.4B | 1,517 |
| Q1 2016 | May 16, 2016 | $3.3B | 1,517 |
Fund Information
MASON STREET ADVISORS, LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $1.0B across 15 holdings. The largest position is ISHARES TR (AGG), representing 30.5% of the portfolio. Compared to the previous quarter, the fund opened 15 new positions and closed 0 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.