Mason Street Advisors

Latest statistics and disclosures from Mason Street Advisors's latest quarterly 13F-HR filing:

  • Top 5 stock holdings are AGG, IVV, SPTL, SPMD, SPSM, and represent 70.16% of Mason Street Advisors's stock portfolio.
  • Added to shares of these 10 stocks: IJR (+$57M), IJH (+$40M), RSP (+$21M), SPMD (+$13M), AGG (+$6.8M), SPSM (+$6.1M), SCHH, RWR, SPTL, IVV.
  • Started 2 new stock positions in IJR, IJH.
  • Reduced shares in these 6 stocks: IEFA (-$42M), VLUE (-$40M), DFIV, BCI, , IQLT.
  • Sold out of its positions in VLUE, IEMG.
  • Mason Street Advisors was a net buyer of stock by $62M.
  • Mason Street Advisors has $1.0B in assets under management (AUM), dropping by 5.34%.
  • Central Index Key (CIK): 0001167711

Tip: Access up to 7 years of quarterly data

Positions held by Mason Street Advisors consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Portfolio Holdings for Mason Street Advisors

Mason Street Advisors holds 15 positions in its portfolio as reported in the December 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ishares Tr Core Us Aggbd Et (AGG) 30.5 $310M +2% 3.1M 99.88
 View chart
Ishares Tr Core S&p500 Etf (IVV) 14.2 $144M 211k 684.94
 View chart
Spdr Series Trust State Street Spd (SPTL) 10.4 $106M 4.0M 26.47
 View chart
Spdr Series Trust State Street Spd (SPMD) 9.0 $92M +16% 1.6M 57.91
 View chart
Spdr Series Trust State Street Spd (SPSM) 6.0 $61M +11% 1.3M 46.86
 View chart
Ishares Tr Core S&p Scp Etf (IJR) 5.6 $57M NEW 639k 89.46
 View chart
Invesco Exchange Traded Fd T S&p500 Eql Wgt (RSP) 4.9 $50M +69% 259k 191.56
 View chart
Ishares Tr Core S&p Mcp Etf (IJH) 3.9 $40M NEW 290k 136.73
 View chart
Spdr Series Trust State Street Spd (RWR) 3.5 $36M +3% 367k 98.23
 View chart
Schwab Strategic Tr Us Reit Etf (SCHH) 3.5 $36M +5% 1.7M 20.89
 View chart
Ishares Tr Msci Intl Qualty (IQLT) 3.3 $34M 748k 45.45
 View chart
J P Morgan Exchange Traded F Ultra Shrt Etf (JPST) 2.4 $24M +2% 481k 50.59
 View chart
Dimensional Etf Trust Internatnal Val (DFIV) 1.9 $20M -11% 393k 49.90
 View chart
Abrdn Etfs Bbrg All Comd K1 (BCI) 0.6 $6.6M -15% 338k 19.53
 View chart
Ishares Tr Core Msci Eafe (IEFA) 0.0 $383k -99% 5.7k 67.22
 View chart

Past Filings by Mason Street Advisors

SEC 13F filings are viewable for Mason Street Advisors going back to 2010

View all past filings