Mason Street Advisors, LLC Top Holdings and 13F Report (2025) About Mason Street Advisors, LLCInvestment ActivityMason Street Advisors, LLC has $854.51 million in total holdings as of June 30, 2025.Mason Street Advisors, LLC owns shares of 15 different stocks, but just 6 companies or ETFs make up 80% of its holdings.Approximately 10.19% of the portfolio was purchased this quarter.About 5.40% of the portfolio was sold this quarter.This quarter, Mason Street Advisors, LLC has purchased 13 new stocks and bought additional shares in 3 stocks.Mason Street Advisors, LLC sold shares of 4 stocks and completely divested from 0 stocks this quarter.Largest Holdings iShares Core U.S. Aggregate Bond ETF $277,005,485iShares Core S&P 500 ETF $167,611,955SPDR Portfolio Long Term Treasury ETF $102,994,842SPDR Portfolio S&P 400 Mid Cap ETF $50,442,888iShares Core MSCI EAFE ETF $47,742,212 Largest New Holdings this Quarter 46434V456 - iShares MSCI Intl Quality Factor ETF $29,938,494 Holding25434V807 - Dimensional International Value ETF $17,761,601 Holding Largest Purchases this Quarter iShares MSCI Intl Quality Factor ETF 692,700 shares (about $29.94M)iShares Core U.S. Aggregate Bond ETF 247,294 shares (about $24.53M)Dimensional International Value ETF 414,700 shares (about $17.76M)SPDR Portfolio S&P 600 Small Cap ETF 235,300 shares (about $10.02M)SPDR Portfolio Long Term Treasury ETF 181,800 shares (about $4.83M) Largest Sales this Quarter iShares Core MSCI EAFE ETF 327,900 shares (about $27.37M)iShares Core S&P 500 ETF 21,600 shares (about $13.41M)iShares Core S&P Mid-Cap ETF 70,200 shares (about $4.35M)iShares Core S&P Small-Cap ETF 9,000 shares (about $983.61K) Sector Allocation Over TimeMap of 500 Largest Holdings ofMason Street Advisors, LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorAGGiShares Core U.S. Aggregate Bond ETF$277,005,485$24,531,565 ▲9.7%2,792,39432.4%FinanceIVViShares Core S&P 500 ETF$167,611,955$13,411,440 ▼-7.4%269,95019.6%ETFSPTLSPDR Portfolio Long Term Treasury ETF$102,994,842$4,832,244 ▲4.9%3,874,90012.1%ETFSPMDSPDR Portfolio S&P 400 Mid Cap ETF$50,442,8880.0%927,6005.9%ETFIEFAiShares Core MSCI EAFE ETF$47,742,212$27,373,092 ▼-36.4%571,9005.6%ETFSPSMSPDR Portfolio S&P 600 Small Cap ETF$46,382,880$10,023,780 ▲27.6%1,088,8005.4%ETFSCHHSchwab U.S. REIT ETF$31,443,7600.0%1,486,0003.7%ETFRWRSPDR Dow Jones REIT ETF$30,909,0200.0%320,5003.6%ETFIQLTiShares MSCI Intl Quality Factor ETF$29,938,494$29,938,494 ▲New Holding692,7003.5%ETFRSPInvesco S&P 500 Equal Weight ETF$24,189,5940.0%133,1002.8%ETFDFIVDimensional International Value ETF$17,761,601$17,761,601 ▲New Holding414,7002.1%ETFJPSTJPMorgan Ultra-Short Income ETF$10,979,8220.0%216,6501.3%ETFBCIabrdn Bloomberg All Commodity Strategy K-1 Free ETF$6,332,7730.0%304,9000.7%ETFIJHiShares Core S&P Mid-Cap ETF$6,115,172$4,353,804 ▼-41.6%98,6000.7%ETFIJRiShares Core S&P Small-Cap ETF$4,655,754$983,610 ▼-17.4%42,6000.5%ETFShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
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