Investment Strategy
The Portfolio invests in two Vanguard stock index funds and two Vanguard bond index funds, resulting in an allocation of 62.5% of its assets to stocks and 37.5% of its assets to investment-grade bonds. The percentages of the Portfolio's assets allocated to each Underlying Fund are:
Vanguard Institutional Total Stock Market Index Fund 37.50%
Vanguard Total International Stock Index Fund 25.00%
Vanguard Total Bond Market II Index Fund 26.25%
Vanguard Total International Bond Index Fund 11.25%
Through its investment in Vanguard Total Stock Market Index Fund, the Portfolio indirectly invests U.S. stocks. The Fund employs an indexing investment approach designed to track the performance of the CRSP US Total Market Index, which represents approximately 100% of the investable U.S. stock market. and includes large-, mid-, small-, and micro-cap stocks regularly traded on the New York Stock Exchange ("NYSE") and Nasdaq. The Fund invests by sampling the Index, meaning that it holds a broadly diversified collection of securities that, in the aggregate, approximates the full Index in terms of key characteristics. These key characteristics include industry weightings and market capitalization, as well as certain financial measures, such as price/earnings ratio and dividend yield.
Through its investment in Vanguard Total International Stock Index Fund, the Portfolio also indirectly invests in international stocks. The Fund employs an indexing investment approach designed to track the performance of the FTSE Global All Cap ex US Index, a float-adjusted, market-capitalization-weighted index designed to measure equity market performance of companies located in developed and emerging markets, excluding the United States. As of October 31, 2017 the Index includes approximately 5,902 stocks of companies located in over 46 countries. The largest markets covered in the Index as of October 31, 2017, were Japan, the United Kingdom, Canada, France, Germany, and China (which made up approximately 17%, 13%, 7%, 7%, 7%, and 6%, respectively, of the Index's market capitalization). The Fund invests all, or substantially all, of its assets in the common stocks included in its target Index.
Through its investment in Vanguard Total Bond Market II Index Fund, the Portfolio also indirectly invests in U.S. bonds. The Fund employs an indexing investment approach designed to track the performance of the Bloomberg Barclays U.S. Aggregate Float Adjusted Index. This Index represents a wide spectrum of public, investment-grade, taxable, fixed income securities in the United States—including government, corporate, and international dollar-denominated bonds, as well as mortgage-backed and asset-backed securities—all with maturities of more than 1 year. The Fund invests by sampling the Index, meaning that it holds a broadly diversified collection of securities that, in the aggregate, approximates the full Index in terms of key risk factors and characteristics. All of the Fund's investments will be selected through the sampling process, and at least 80% of the Fund's assets will be invested in bonds held in the Index. The Fund maintains a dollar-weighted average maturity consistent with that of the Index, which generally ranges between 5 and 10 years.
Through its investment in Vanguard Total International Bond Index Fund, the Portfolio also indirectly invests in international bonds. The Fund employs an indexing investment approach designed to track the performance of the Bloomberg Barclays Global Aggregate ex-USD Float Adjusted RIC Capped Index (USD Hedged), which provides a broad-based measure of the global, investment-grade, fixed-rate debt markets. The Index includes government, government agency, corporate, and securitized non-U.S. investment-grade fixed income investments, all issued in currencies other than the U.S. dollar and with maturities of more than one year. The Index is capped to comply with investment company diversification standards of the Internal Revenue Code, which state that, at the close of each fiscal quarter, a fund's (1) exposure to any particular bond issuer may not exceed 25% of the fund's assets, and (2) aggregate exposure to issuers that individually constitute 5% or more of the fund may not exceed 50% of the fund's assets. To help enforce these limits, if the Index, on the last business day of any month, were to have greater than 20% exposure to any particular bond issuer, or greater than 48% aggregate exposure to issuers that individually constitute 5% or more of the Index, then the excess would be reallocated to bonds of other issuers represented in the Index. The Index methodology is not designed to satisfy the diversification requirements of the Investment Company Act of 1940. The Fund will attempt to hedge its foreign currency exposure, primarily through the use of foreign currency exchange forward contracts, in order to correlate to the returns of the Index, which is U.S. dollar hedged. Such hedging is intended to minimize the currency risk associated with investment in bonds denominated in currencies other than the U.S. dollar. The Fund invests by sampling the Index, meaning that it holds a range of securities that, in the aggregate, approximates the full Index in terms of key risk factors and other characteristics. All of the Fund's investments will be selected through the sampling process and, under normal circumstances, at least 80% of the Fund's assets will be invested in bonds included in the Index. The Fund maintains a dollar-weighted average maturity consistent with that of the Index, which generally ranges between 5 and 10 years.
Investment Risks
The Portfolio invests 62.5% of its assets in stock funds and the remaining 37.5% in bond funds. Through its U.S. and international stock fund holdings, the Portfolio is subject to stock market risk, country/regional risk, currency risk, and emerging markets risk. Through its U.S. and international bond fund holdings, the Portfolio is subject to interest rate risk, income risk, prepayment risk, extension risk, call risk, credit risk, country/regional risk, liquidity risk, currency hedging risk, and derivatives risk. The Portfolio is also subject to investment style risk and index sampling risk, and, through its investment in Vanguard Total International Bond Index Fund, nondiversification risk.
