ISHARES ISHARES CORE S&P 500 ETF ETP USD 464287200 53350572 79711 SH SOLE 79711 0 0 ISHARES ISHARES MSCI EMERGING MARKETS ETF ETP USD 464287234 5328359 99782 SH SOLE 99782 0 0 ISHARES ISHARES RUSSELL MID-CAP ETF ETP USD 464287499 67784569 702067 SH SOLE 702067 0 0 SPDR SERIES TRUST SPDR PORTFOLIO S&P 600 SMALL CAP ETF ETP USD 78468R853 7488091 161660 SH SOLE 161660 0 0 VANGUARD VANGUARD SHORT-TERM BOND ETF ETP USD 921937827 47306545 599500 SH SOLE 599500 0 0 VANGUARD VANGUARD SHORT-TERM CORPORATE BOND ETF ETP USD 92206C409 14515288 181600 SH SOLE 181600 0 0