Mason Street Advisors, Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$1.02B
Q ending 2026-03-31
Prior quarter
$1.02B
Q ending 2025-12-31
Change
+0.7% QoQ · +30.2% YoY
Positions
15
reported holdings
Largest positions
All 15 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Ishares Tr | AGG | Shares | $302.7M | 3.0M |
| Ishares Tr | IVV | Shares | $138.3M | 212K |
| Spdr Series Trust | SPTL | Shares | $105.2M | 4.0M |
| Spdr Series Trust | SPMD | Shares | $92.5M | 1.6M |
| Ishares Tr | IEFA | Shares | $64.4M | 711K |
| Spdr Series Trust | SPSM | Shares | $64.1M | 1.3M |
| Invesco Exchange Traded Fd T | RSP | Shares | $51.4M | 268K |
| Ishares Tr | VLUE | Shares | $41.0M | 288K |
| Ishares Tr | IQLT | Shares | $35.5M | 769K |
| Schwab Strategic Tr | SCHH | Shares | $35.4M | 1.6M |
| Spdr Series Trust | RWR | Shares | $35.2M | 349K |
| J P Morgan Exchange Traded F | JPST | Shares | $24.6M | 486K |
| Dimensional Etf Trust | DFIV | Shares | $21.3M | 403K |
| Abrdn Etfs | BCI | Shares | $8.7M | 356K |
| Ishares Inc | IEMG | Shares | $3.0M | 44K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.