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Seeks maximum safety and liquidity.

/sd/customer/portfolio_json 1.800.345.2021
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Investment Blend

Investment Blend: Reflects the blend of securities owned by a fund. For example, the percentage of foreign or domestic stocks held by an equity fund or the percentage of corporate and government securities owned by a bond fund. The US/Foreign Convertibles grouping includes Convertible Bonds, Equity Linked Securities and Convertible Preferred securities. Due to rounding, these values may exceed 100%.
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Top Ten Holdings

Top Ten Holdings: This value represents the top ten holdings included in the portfolio on a percent of assets basis. Equity holdings are grouped to include common shares, depository receipts, rights and warrants issued by the same company. Holdings are rounded to the nearest whole number, which may result in the display of less than ten holdings.

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Maturity

Maturity: Describes the portfolio of the fund in terms of the different maturities of the securities it holds. Due to rounding, these values may exceed 100%.

Weighted average maturity (WAM) uses effective maturity to approximate the remaining term to maturity of a fund's investment portfolio, weighted by dollar amount. Generally, the longer a fund's WAM, the more sensitive it is to changes in interest rates.

Data reflects past performance for Investor Class shares, assumes reinvestment of dividends and capital gains and is no guarantee of future results. Current performance may be higher or lower than data shown. Investment return and principal value fluctuates. Redemption value may be more or less than original cost. Obtain performance data current to the most recent month end. For additional share class information, consult the prospectus.

Money Market Fund: An investment in the fund is neither insured nor guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Although the fund seeks to preserve the value of your investment at $1 per share, it is possible to lose money by investing in the fund. Fund shares are not guaranteed by the U.S. Government. Interest rate changes are among the most significant factors affecting bond return. In a declining interest rate environment, bond prices rise and the fund may generate less income. In a rising interest rate environment, bond prices fall.

W2 If your account falls below the minimum balance, you will be notified and given 90 days to meet the minimum. If the deadline is not met, American Century Investments may redeem the shares in the account and send the proceeds to the address of record.

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Expense ratios provided are the funds' total annual operating expense ratios, gross of any fee waivers or expense reimbursements. Expense ratios are as of the funds' most current prospectus.

Quick Facts

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Distribution