§ 13F · FUND PROFILE
MASON STREET ADVISORS, LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $854.5T (13F)Positions · 15Turnover · — · Q4Filed · Feb 4, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$96.8T deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 4, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | AGG | ISHARES TR | 3.11M | $310.4T | 30.5% | +2% |
| 2 | IVV | ISHARES TR | 211K | $144.4T | 14.2% | +1% |
| 3 | SPTL | SPDR SERIES TRUST | 4.00M | $105.8T | 10.4% | +1% |
| 4 | SPMD | SPDR SERIES TRUST | 1.59M | $91.9T | 9.0% | +17% |
| 5 | SPSM | SPDR SERIES TRUST | 1.29M | $60.6T | 6.0% | +11% |
| 6 | IJR | ISHARES TR | 639K | $57.2T | 5.6% | NEW |
| 7 | RSP | INVESCO EXCHANGE TRADED FD T | 259K | $49.7T | 4.9% | +70% |
| 8 | IJH | ISHARES TR | 290K | $39.6T | 3.9% | NEW |
| 9 | RWR | SPDR SERIES TRUST | 367K | $36.0T | 3.5% | +3% |
| 10 | SCHH | SCHWAB STRATEGIC TR | 1.71M | $35.8T | 3.5% | +5% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE MASON SIGNAL
AC read
MASON STREET ADVISORS, LLC is a Other fund managing $854506.3 trillion in assets. The fund runs a focused portfolio of just 15 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed
Q2 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed