Filed: 10/31/2025ACC: 0001167711-25-000006
📋 What this filing means
MASON STREET ADVISORS, LLC filed this quarterly 13F‑HR report disclosing 15 equity positions with a total reported market value of $964.77M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
15
Positions
$964.77M
Total AUM (reported)
14.89M
Total Shares
Allocation by class
CORE US AGGBD ET$304.69M31.6%
CORE S&P500 ETF$140.33M14.5%
PORTFOLIO LN TSR$106.79M11.1%
PORTFOLIO S&P400$77.90M8.1%
CORE MSCI EAFE$55.16M5.7%
PORTFOLIO S&P600$53.90M5.6%
MSCI USA VALUE$40.02M4.1%
Portfolio Concentration
Top 3$551.82M57.2%
4–10$330.97M34.3%
11–25$81.99M8.5%
Top 3 weight
57.2%
Top 10 weight
91.5%
Voting Authority Distribution
Total shares with voting rights: 14.89M
Sole
Full voting authority
14.89M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other15
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings15
Rows:
ISHARES TR
DFNDShares3.04M
TypeSH
Market value$304.69M
31.58%
Sole
3.04M
Shared
0.00
None
0.00
ISHARES TR
DFNDShares209.67K
TypeSH
Market value$140.33M
14.55%
Sole
209.67K
Shared
0.00
None
0.00
SPDR SERIES TRUST
DFNDShares3.96M
TypeSH
Market value$106.79M
11.07%
Sole
3.96M
Shared
0.00
None
0.00
SPDR SERIES TRUST
DFNDShares1.36M
TypeSH
Market value$77.90M
8.07%
Sole
1.36M
Shared
0.00
None
0.00
ISHARES TR
DFNDShares631.75K
TypeSH
Market value$55.16M
5.72%
Sole
631.75K
Shared
0.00
None
0.00
SPDR SERIES TRUST
DFNDShares1.16M
TypeSH
Market value$53.90M
5.59%
Sole
1.16M
Shared
0.00
None
0.00
ISHARES TR
DFNDShares320K
TypeSH
Market value$40.02M
4.15%
Sole
320K
Shared
0.00
None
0.00
SPDR SERIES TRUST
DFNDShares355.81K
TypeSH
Market value$35.68M
3.70%
Sole
355.81K
Shared
0.00
None
0.00
SCHWAB STRATEGIC TR
DFNDShares1.63M
TypeSH
Market value$35.10M
3.64%
Sole
1.63M
Shared
0.00
None
0.00
ISHARES TR
DFNDShares751.44K
TypeSH
Market value$33.21M
3.44%
Sole
751.44K
Shared
0.00
None
0.00
INVESCO EXCHANGE TRADED FD T
DFNDShares152.61K
TypeSH
Market value$28.95M
3.00%
Sole
152.61K
Shared
0.00
None
0.00
J P MORGAN EXCHANGE TRADED F
DFNDShares468.57K
TypeSH
Market value$23.77M
2.46%
Sole
468.57K
Shared
0.00
None
0.00
DIMENSIONAL ETF TRUST
DFNDShares443.12K
TypeSH
Market value$20.44M
2.12%
Sole
443.12K
Shared
0.00
None
0.00
ABRDN ETFS
DFNDShares399.64K
TypeSH
Market value$8.61M
0.89%
Sole
399.64K
Shared
0.00
None
0.00
ISHARES INC
DFNDShares3.35K
TypeSH
Market value$220.8K
0.02%
Sole
3.35K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ISHARES TRDFND | CORE US AGGBD ET | 3.04M | SH | $304.69M 31.58% | 3.04M | 0.00 | 0.00 |
ISHARES TRDFND | CORE S&P500 ETF | 209.67K | SH | $140.33M 14.55% | 209.67K | 0.00 | 0.00 |
SPDR SERIES TRUSTDFND | PORTFOLIO LN TSR | 3.96M | SH | $106.79M 11.07% | 3.96M | 0.00 | 0.00 |
SPDR SERIES TRUSTDFND | PORTFOLIO S&P400 | 1.36M | SH | $77.90M 8.07% | 1.36M | 0.00 | 0.00 |
ISHARES TRDFND | CORE MSCI EAFE | 631.75K | SH | $55.16M 5.72% | 631.75K | 0.00 | 0.00 |
SPDR SERIES TRUSTDFND | PORTFOLIO S&P600 | 1.16M | SH | $53.90M 5.59% | 1.16M | 0.00 | 0.00 |
ISHARES TRDFND | MSCI USA VALUE | 320K | SH | $40.02M 4.15% | 320K | 0.00 | 0.00 |
SPDR SERIES TRUSTDFND | DJ REIT ETF | 355.81K | SH | $35.68M 3.70% | 355.81K | 0.00 | 0.00 |
SCHWAB STRATEGIC TRDFND | US REIT ETF | 1.63M | SH | $35.10M 3.64% | 1.63M | 0.00 | 0.00 |
ISHARES TRDFND | MSCI INTL QUALTY | 751.44K | SH | $33.21M 3.44% | 751.44K | 0.00 | 0.00 |
INVESCO EXCHANGE TRADED FD TDFND | S&P500 EQL WGT | 152.61K | SH | $28.95M 3.00% | 152.61K | 0.00 | 0.00 |
J P MORGAN EXCHANGE TRADED FDFND | ULTRA SHRT ETF | 468.57K | SH | $23.77M 2.46% | 468.57K | 0.00 | 0.00 |
DIMENSIONAL ETF TRUSTDFND | INTERNATNAL VAL | 443.12K | SH | $20.44M 2.12% | 443.12K | 0.00 | 0.00 |
ABRDN ETFSDFND | BBRG ALL COMD K1 | 399.64K | SH | $8.61M 0.89% | 399.64K | 0.00 | 0.00 |
ISHARES INCDFND | CORE MSCI EMKT | 3.35K | SH | $220.8K 0.02% | 3.35K | 0.00 | 0.00 |