MASON STREET ADVISORS, LLC — 13F Holdings & Portfolio
CIK 1167711 · latest 13F-HR filed 2026-05-07
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$1.02B
Long-equity book
15
Distinct positions
2026-03-31
Filed 2026-05-07
+2 / −2 / ↑4 / ↓0
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ISHARES TR$64.0M +16699.1%
- SPDR SERIES TRUST$3.5M +5.7%
- ABRDN ETFS$2.1M +31.2%
- DIMENSIONAL ETF TRUST$1.7M +8.4%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ISHARES TR | AGG | 464287226 | $302.7M | 29.58% | 3,049,263 | SH |
| 2 | ISHARES TR | IVV | 464287200 | $138.3M | 13.51% | 211,681 | SH |
| 3 | SPDR SERIES TRUST | SPTL | 78464A664 | $105.2M | 10.28% | 3,998,720 | SH |
| 4 | SPDR SERIES TRUST | SPMD | 78464A847 | $92.5M | 9.04% | 1,561,969 | SH |
| 5 | ISHARES TR | IEFA | 46432F842 | $64.4M | 6.29% | 710,997 | SH |
| 6 | SPDR SERIES TRUST | SPSM | 78468R853 | $64.1M | 6.26% | 1,326,423 | SH |
| 7 | INVESCO EXCHANGE TRADED FD T | RSP | 46137V357 | $51.4M | 5.02% | 267,820 | SH |
| 8 | ISHARES TR | VLUE | 46432F388 | $41.0M | 4.01% | 288,200 | SH |
| 9 | ISHARES TR | IQLT | 46434V456 | $35.5M | 3.47% | 768,930 | SH |
| 10 | SCHWAB STRATEGIC TR | SCHH | 808524847 | $35.4M | 3.46% | 1,646,125 | SH |
| 11 | SPDR SERIES TRUST | RWR | 78464A607 | $35.2M | 3.44% | 348,675 | SH |
| 12 | J P MORGAN EXCHANGE TRADED F | JPST | 46641Q837 | $24.6M | 2.41% | 486,336 | SH |
| 13 | DIMENSIONAL ETF TRUST | DFIV | 25434V807 | $21.3M | 2.08% | 403,315 | SH |
| 14 | ABRDN ETFS | BCI | 003261104 | $8.7M | 0.85% | 356,335 | SH |
| 15 | ISHARES INC | IEMG | 46434G103 | $3.0M | 0.30% | 43,520 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-07 | $1.02B | 15 | 0001167711-26-000004 |
| 2025-12-31 | 2026-02-04 | $1.02B | 15 | 0001167711-26-000001 |