Mason Street Advisors, LLC 13F Holdings · Q2 2026
Mason Street Advisors, LLC reported 15 securities worth $1.11B in its SEC 13F filing for Q2 2026 (period ended 2026-06-30). Top holdings: AGG (27.21%), IVV (13.93%), SPTL (9.47%). Among its top 25 positions this quarter: 1 new, 11 added, 3 trimmed, 1 exited.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | AGG | ISHARES TR | $302.0M | 27.21% | 3.1M | Added |
| 2 | IVV | ISHARES TR | $154.6M | 13.93% | 206,485 | Trimmed |
| 3 | SPTL | SPDR SERIES TRUST | $105.1M | 9.47% | 4.0M | Added |
| 4 | SPMD | SPDR SERIES TRUST | $95.9M | 8.64% | 1.4M | Trimmed |
| 5 | SPSM | SPDR SERIES TRUST | $79.5M | 7.17% | 1.4M | Added |
| 6 | RSP | INVESCO EXCHANGE TRADED FD T | $61.4M | 5.53% | 288,645 | Added |
| 7 | IEFA | ISHARES TR | $61.3M | 5.52% | 634,753 | Trimmed |
| 8 | RWR | SPDR SERIES TRUST | $51.2M | 4.61% | 453,255 | Added |
| 9 | SCHH | SCHWAB STRATEGIC TR | $51.2M | 4.61% | 2.2M | Added |
| 10 | AVLV | AMERICAN CENTY ETF TR | $43.3M | 3.90% | 474,820 | New |
| 11 | IQLT | ISHARES TR | $39.3M | 3.54% | 792,666 | Added |
| 12 | JPST | J P MORGAN EXCHANGE TRADED F | $25.0M | 2.25% | 494,716 | Added |
| 13 | DFIV | DIMENSIONAL ETF TRUST | $22.4M | 2.02% | 414,285 | Added |
| 14 | BCI | ABRDN ETFS | $12.1M | 1.09% | 540,495 | Added |
| 15 | IEMG | ISHARES INC | $5.6M | 0.51% | 68,080 | Added |
| 16 | VLUE | ISHARES TR | $0 | 0.00% | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30
Every position in this 13F-HR, with its change from the prior quarter.
13F holdings, latest quarter
SourceSEC EDGAR13F-HR