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MASON STREET ADVISORS, LLC

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13F filer, CIK 1167711, MILWAUKEE, WI

MASON STREET ADVISORS, LLC reported $1,109,891,435 across 15 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-12. Its ten largest share positions make up 90.59% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001167711-26-000005

Period
2026-06-30
Reported value
$1.11B
Holdings
15
Top 10 weight
90.59%
New
1
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
AVLVnew+474,820$43.3M
SCHHadded+514,990$12.2M
RWRadded+104,580$11.8M
RSPadded+20,825$4.43M
BCIadded+184,160$4.11M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
VLUEexited-288,200-$41M
SPMDreduced-142,897-$9.65M
IEFAreduced-76,244-$7.36M
IVVreduced-5,196-$3.89M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001167711-26-000005, largest first. % of portfolio is the value over $1,109,891,435, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
AGGISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 2,521,600 shares; 2024Q4: 2,575,800 shares; 2025Q1: 2,545,100 shares; 2025Q2: 2,792,394 shares; 2025Q3: 3,039,330 shares; 2025Q4: 3,107,230 shares; 2026Q1: 3,049,263 shares; 2026Q2: 3,050,830 shares 3,050,830$302M27.21%+1,567Timeline
IVVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 303,250 shares; 2024Q4: 287,750 shares; 2025Q1: 291,550 shares; 2025Q2: 269,950 shares; 2025Q3: 209,670 shares; 2025Q4: 210,793 shares; 2026Q1: 211,681 shares; 2026Q2: 206,485 shares 206,485$155M13.93%-5,196Timeline
SPTLSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 3,700,000 shares; 2024Q4: 3,700,000 shares; 2025Q1: 3,693,100 shares; 2025Q2: 3,874,900 shares; 2025Q3: 3,962,640 shares; 2025Q4: 3,997,680 shares; 2026Q1: 3,998,720 shares; 2026Q2: 4,005,960 shares 4,005,960$105M9.47%+7,240Timeline
SPMDSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 720,900 shares; 2024Q4: 811,500 shares; 2025Q1: 927,600 shares; 2025Q2: 927,600 shares; 2025Q3: 1,362,200 shares; 2025Q4: 1,587,390 shares; 2026Q1: 1,561,969 shares; 2026Q2: 1,419,072 shares 1,419,072$95.9M8.64%-142,897Timeline
SPSMSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 740,700 shares; 2024Q4: 853,500 shares; 2025Q1: 853,500 shares; 2025Q2: 1,088,800 shares; 2025Q3: 1,163,700 shares; 2025Q4: 1,293,880 shares; 2026Q1: 1,326,423 shares; 2026Q2: 1,379,248 shares 1,379,248$79.5M7.17%+52,825Timeline
RSPINVESCO EXCHANGE TRADED FD TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 133,100 shares; 2025Q2: 133,100 shares; 2025Q3: 152,610 shares; 2025Q4: 259,430 shares; 2026Q1: 267,820 shares; 2026Q2: 288,645 shares 288,645$61.4M5.53%+20,825Timeline
IEFAISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 920,400 shares; 2024Q4: 1,033,700 shares; 2025Q1: 899,800 shares; 2025Q2: 571,900 shares; 2025Q3: 631,755 shares; 2025Q4: 5,700 shares; 2026Q1: 710,997 shares; 2026Q2: 634,753 shares 634,753$61.3M5.52%-76,244Timeline
RWRSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 337,500 shares; 2024Q4: 320,500 shares; 2025Q1: 320,500 shares; 2025Q2: 320,500 shares; 2025Q3: 355,805 shares; 2025Q4: 366,555 shares; 2026Q1: 348,675 shares; 2026Q2: 453,255 shares 453,255$51.2M4.61%+104,580Timeline
SCHHSCHWAB STRATEGIC TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,555,500 shares; 2024Q4: 1,486,000 shares; 2025Q1: 1,486,000 shares; 2025Q2: 1,486,000 shares; 2025Q3: 1,627,170 shares; 2025Q4: 1,713,085 shares; 2026Q1: 1,646,125 shares; 2026Q2: 2,161,115 shares 2,161,115$51.2M4.61%+514,990Timeline
AVLVAMERICAN CENTY ETF TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 474,820 shares 474,820$43.3M3.9%newTimeline
IQLTISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 692,700 shares; 2025Q3: 751,440 shares; 2025Q4: 748,240 shares; 2026Q1: 768,930 shares; 2026Q2: 792,666 shares 792,666$39.3M3.54%+23,736Timeline
JPSTJ P MORGAN EXCHANGE TRADED FQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 216,650 shares; 2024Q4: 216,650 shares; 2025Q1: 216,650 shares; 2025Q2: 216,650 shares; 2025Q3: 468,570 shares; 2025Q4: 480,735 shares; 2026Q1: 486,336 shares; 2026Q2: 494,716 shares 494,716$25M2.25%+8,380Timeline
DFIVDIMENSIONAL ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 414,700 shares; 2025Q3: 443,115 shares; 2025Q4: 393,365 shares; 2026Q1: 403,315 shares; 2026Q2: 414,285 shares 414,285$22.4M2.02%+10,970Timeline
BCIABRDN ETFSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,029,600 shares; 2024Q4: 304,900 shares; 2025Q1: 304,900 shares; 2025Q2: 304,900 shares; 2025Q3: 399,645 shares; 2025Q4: 337,715 shares; 2026Q1: 356,335 shares; 2026Q2: 540,495 shares 540,495$12.1M1.09%+184,160Timeline
IEMGISHARES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 3,350 shares; 2025Q4: not reported; 2026Q1: 43,520 shares; 2026Q2: 68,080 shares 68,080$5.64M0.51%+24,560Timeline

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
VLUEISHARES TR288,200$41Mshares

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001167711-26-000005 base2026-08-12acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001167711-26-000005 Quarter ended 2026-06-302026-08-12acceptance time not in the bulk data set
13F-HR 0001167711-26-000004 Quarter ended 2026-03-312026-05-07acceptance time not in the bulk data set
13F-HR 0001167711-26-000001 Quarter ended 2025-12-312026-02-04acceptance time not in the bulk data set
13F-HR 0001167711-25-000006 Quarter ended 2025-09-302025-10-31acceptance time not in the bulk data set
13F-HR 0001085146-25-004732 Quarter ended 2025-06-302025-08-08acceptance time not in the bulk data set
13F-HR 0001085146-25-003071 Quarter ended 2025-03-312025-05-14acceptance time not in the bulk data set
13F-HR 0001085146-25-000945 Quarter ended 2024-12-312025-02-10acceptance time not in the bulk data set
13F-HR 0001085146-24-005522 Quarter ended 2024-09-302024-11-12acceptance time not in the bulk data set
13F-HR 0001085146-24-004028 Quarter ended 2024-06-302024-08-15acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002742 Quarter ended 2018-06-302024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002748 Quarter ended 2019-12-312024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002750 Quarter ended 2020-06-302024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002740 Quarter ended 2017-12-312024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002749 Quarter ended 2020-03-312024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002741 Quarter ended 2018-03-312024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002746 Quarter ended 2019-06-302024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002744 Quarter ended 2018-12-312024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002747 Quarter ended 2019-09-302024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002739 Quarter ended 2017-09-302024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002743 Quarter ended 2018-09-302024-06-26acceptance time not in the bulk data set
13F-HR/A 0001085146-24-002745 Quarter ended 2019-03-312024-06-26acceptance time not in the bulk data set
13F-HR 0001085146-24-002537 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0001085146-24-001144 Quarter ended 2023-12-312024-02-13acceptance time not in the bulk data set
13F-HR 0001085146-23-004434 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0001085146-23-003363 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0001085146-23-002344 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR 0001085146-23-001416 Quarter ended 2022-12-312023-02-21acceptance time not in the bulk data set
13F-HR 0001085146-22-004078 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001085146-22-003098 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-HR 0001085146-22-001858 Quarter ended 2022-03-312022-05-09acceptance time not in the bulk data set
13F-HR 0001085146-22-000489 Quarter ended 2021-12-312022-02-03acceptance time not in the bulk data set
13F-HR 0001085146-21-003308 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0001085146-21-002430 Quarter ended 2021-06-302021-08-13acceptance time not in the bulk data set
13F-HR 0001085146-21-001640 Quarter ended 2021-03-312021-05-14acceptance time not in the bulk data set
13F-HR 0001085146-21-000689 Quarter ended 2020-12-312021-02-12acceptance time not in the bulk data set
13F-HR 0001167711-20-000008 Quarter ended 2020-09-302020-11-13acceptance time not in the bulk data set
13F-HR 0001167711-20-000006 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-HR 0001167711-20-000004 Quarter ended 2020-03-312020-05-08acceptance time not in the bulk data set
13F-HR 0001167711-20-000001 Quarter ended 2019-12-312020-02-19acceptance time not in the bulk data set
13F-HR 0001167711-19-000006 Quarter ended 2019-09-302019-11-05acceptance time not in the bulk data set
13F-HR 0001167711-19-000004 Quarter ended 2019-06-302019-08-12acceptance time not in the bulk data set
13F-HR 0000073076-19-000029 Quarter ended 2019-03-312019-05-07acceptance time not in the bulk data set
13F-HR 0000073076-19-000015 Quarter ended 2018-12-312019-02-13acceptance time not in the bulk data set
13F-HR 0000073076-18-000006 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-HR 0001167711-18-000030 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-HR 0001167711-18-000020 Quarter ended 2018-03-312018-05-14acceptance time not in the bulk data set
13F-HR 0001167711-18-000010 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0001167711-17-000009 Quarter ended 2017-09-302017-11-13acceptance time not in the bulk data set
13F-HR 0001141802-17-000061 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set
13F-HR 0001141802-17-000043 Quarter ended 2017-03-312017-05-09acceptance time not in the bulk data set
13F-HR 0000073076-17-000008 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set
13F-HR 0000073076-16-000074 Quarter ended 2016-09-302016-11-14acceptance time not in the bulk data set
13F-HR 0000073076-16-000053 Quarter ended 2016-06-302016-08-29acceptance time not in the bulk data set
13F-HR 0000073076-16-000039 Quarter ended 2016-03-312016-05-16acceptance time not in the bulk data set
13F-HR 0001167711-16-000010 Quarter ended 2015-12-312016-02-16acceptance time not in the bulk data set
13F-HR 0001167711-15-000008 Quarter ended 2015-09-302015-11-16acceptance time not in the bulk data set
13F-HR 0001167711-15-000006 Quarter ended 2015-06-302015-08-14acceptance time not in the bulk data set
13F-HR 0001167711-15-000004 Quarter ended 2015-03-312015-05-15acceptance time not in the bulk data set
13F-HR 0001167711-15-000002 Quarter ended 2014-12-312015-02-13acceptance time not in the bulk data set
13F-HR 0001167711-14-000010 Quarter ended 2014-09-302014-11-14acceptance time not in the bulk data set
13F-HR 0001167711-14-000006 Quarter ended 2014-06-302014-08-05acceptance time not in the bulk data set
13F-HR 0001167711-14-000004 Quarter ended 2014-03-312014-05-15acceptance time not in the bulk data set
13F-HR 0001167711-14-000002 Quarter ended 2013-12-312014-02-14acceptance time not in the bulk data set
13F-HR 0001167711-13-000008 Quarter ended 2013-09-302013-11-14acceptance time not in the bulk data set
13F-HR 0001167711-13-000006 Quarter ended 2013-06-302013-08-14acceptance time not in the bulk data set