MASON STREET ADVISORS, LLC

CIK 0001167711 · MILWAUKEE, WI · Quarter end: 2026-06-30 · Filed on: 2026-08-12 · Open the SEC source

MASON STREET ADVISORS, LLC reported 15 positions worth $1.11B as of June 30, 2026 (13F filed August 12, 2026). Largest holding: AGG (27.2%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$1.11B
2026 Q2
Positions
15
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
90.6%
Est. Net Flow (Q)
2026 Q2
10 / 15 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1AGGISHARES TRSH$302.0M27.21%3,050,830
2IVVISHARES TRSH$154.6M13.93%206,485
3SPTLSPDR SERIES TRUSTSH$105.1M9.47%4,005,960
4SPMDSPDR SERIES TRUSTSH$95.9M8.64%1,419,072
5SPSMSPDR SERIES TRUSTSH$79.5M7.17%1,379,248
6RSPINVESCO EXCHANGE TRADED FD TSH$61.4M5.53%288,645
7IEFAISHARES TRSH$61.3M5.52%634,753
8RWRSPDR SERIES TRUSTSH$51.2M4.61%453,255
9SCHHSCHWAB STRATEGIC TRSH$51.2M4.61%2,161,115
10AVLVAMERICAN CENTY ETF TRSH$43.3M3.90%474,820

The free plan shows the top 10 positions. The remaining 5 positions, the full portfolio and quarter changes unlock with Pro.

Pro Feature

This section is exclusive to Fundocap Pro. Full holdings tables, consensus trades, ownership analysis, backtests and exports unlock with Pro.

Upgrade to Pro

Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does MASON STREET ADVISORS, LLC hold as of Q2 2026?

MASON STREET ADVISORS, LLC reported 15 positions worth $1.11B in its Q2 2026 13F filing. Largest positions: AGG (27.2%), IVV (13.9%), SPTL (9.5%), SPMD (8.6%) and SPSM (7.2%).

What did MASON STREET ADVISORS, LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did MASON STREET ADVISORS, LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.