1y return+13.2%S&P 500 +20.9%
3y return+35.1%S&P 500 +68.5%
5y return+30.1%S&P 500 +74.5%
10y return+143.9%S&P 500 +256.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since June 30, 2016: $244 against $357 in the S&P 500.2
Mason Street Advisors, LLCS&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| AGGIshares Tr | $302.0M | 27.2% | |
| IVVIshares Tr | $154.6M | 13.9% | −2.5% |
| SPTLSpdr Series Trust | $105.1M | 9.5% | |
| SPMDSpdr Series Trust | $95.9M | 8.6% | −9.1% |
| SPSMSpdr Series Trust | $79.5M | 7.2% | +4.0% |
| RSPInvesco Exchange Traded Fd T | $61.4M | 5.5% | +7.8% |
| IEFAIshares Tr | $61.3M | 5.5% | −10.7% |
| RWRSpdr Series Trust | $51.2M | 4.6% | +30.0% |
| SCHHSchwab Strategic Tr | $51.2M | 4.6% | +31.3% |
| AVLVAmerican Centy Etf Tr | $43.3M | 3.9% | New |
| IQLTIshares Tr | $39.3M | 3.5% | +3.1% |
| JPSTJ P Morgan Exchange Traded F | $25.0M | 2.3% | +1.7% |
| DFIVDimensional Etf Trust | $22.4M | 2.0% | +2.7% |
| BCIAbrdn Etfs | $12.1M | 1.1% | +51.7% |
| IEMGIshares Inc | $5.6M | 0.5% | +56.4% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| IVVIshares Tr | June 30, 2021 | +74.2% | $154.6M |
| IEFAIshares Tr | March 31, 2022 | +38.9% | $61.3M |
| SPSMSpdr Series Trust | March 31, 2024 | +34.0% | $79.5M |
| SPMDSpdr Series Trust | June 30, 2024 | +31.7% | $95.9M |
| DFIVDimensional Etf Trust | June 30, 2025 | +26.1% | $22.4M |
| RSPInvesco Exchange Traded Fd T | March 31, 2025 | +22.8% | $61.4M |
| RWRSpdr Series Trust | June 30, 2024 | +21.3% | $51.2M |
| IEMGIshares Inc | March 31, 2026 | +18.8% | $5.6M |
| SCHHSchwab Strategic Tr | June 30, 2024 | +18.6% | $51.2M |
| IQLTIshares Tr | June 30, 2025 | +14.6% | $39.3M |
Sold off last quarter
- VLUEIshares Tr was $41.0M
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +8.0% | +14.8% |
| March 31, 2026 | +0.3% | −4.6% |
| December 31, 2025 | +0.7% | +2.4% |
| September 30, 2025 | +3.8% | +7.8% |
| June 30, 2025 | +3.5% | +10.5% |
| March 31, 2025 | +0.1% | −4.6% |
| December 31, 2024 | −4.0% | +2.1% |
| September 30, 2024 | +6.4% | +5.4% |
| June 30, 2024 | +1.4% | +4.0% |
| March 31, 2024 | +5.9% | +10.0% |
| December 31, 2023 | +8.9% | +11.2% |
| September 30, 2023 | −3.6% | −3.6% |
| June 30, 2023 | +4.6% | +8.3% |
| March 31, 2023 | +5.3% | +7.0% |
| December 31, 2022 | +7.9% | +7.1% |
| September 30, 2022 | −5.5% | −5.3% |
| June 30, 2022 | −9.6% | −16.5% |
| March 31, 2022 | −4.3% | −4.9% |
| December 31, 2021 | +0.9% | +10.7% |
| September 30, 2021 | −1.9% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Mason Street Advisors, LLC Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1167711&type=13F-HR&dateb=&owner=include&count=40CIK 1167711
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/1167711/000116771126000005/Filed August 12, 2026 · accession 0001167711-26-000005