Holders — by stockHoldings — by fund
MASON STREET ADVISORS, LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001167711
$1.11B
disclosed book value
15
positions
27.2%
largest position share
Positions, as of 2026-06-30
top 15 of 15 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | AGGISHARES TR | 3.1M | $302.0M | 27.2% |
| 2 | IVVISHARES TR | 206,485 | $154.6M | 13.9% |
| 3 | SPTLSPDR SERIES TRUST | 4.0M | $105.1M | 9.5% |
| 4 | SPMDSPDR SERIES TRUST | 1.4M | $95.9M | 8.6% |
| 5 | SPSMSPDR SERIES TRUST | 1.4M | $79.5M | 7.2% |
| 6 | RSPINVESCO EXCHANGE TRADED FD T | 288,645 | $61.4M | 5.5% |
| 7 | IEFAISHARES TR | 634,753 | $61.3M | 5.5% |
| 8 | RWRSPDR SERIES TRUST | 453,255 | $51.2M | 4.6% |
| 9 | SCHHSCHWAB STRATEGIC TR | 2.2M | $51.2M | 4.6% |
| 10 | AVLVAMERICAN CENTY ETF TR | 474,820 | $43.3M | 3.9% |
| 11 | IQLTISHARES TR | 792,666 | $39.3M | 3.5% |
| 12 | JPSTJ P MORGAN EXCHANGE TRADED F | 494,716 | $25.0M | 2.3% |
| 13 | DFIVDIMENSIONAL ETF TRUST | 414,285 | $22.4M | 2% |
| 14 | BCIABRDN ETFS | 540,495 | $12.1M | 1.1% |
| 15 | IEMGISHARES INC | 68,080 | $5.6M | 0.5% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.