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William Blair Funds Introduce Low Duration Fund


We are very pleased to announce our newest William Blair Fund offering. It’s called the William Blair Low Duration Fund, and it will commence operations on December 1, 2009.

The William Blair Low Duration Fund seeks to maximize total return by investing in a diversified portfolio of investment grade low duration debt securities.

Low Duration Fund Investment Strategies


The Fund seeks to outperform the total return of the Merrill Lynch 1-Year U.S. Treasury Note Index (the Fund’s “benchmark”) through an actively managed diversified portfolio of securities.

The Fund’s Portfolio Managers will emphasize individual security selection, as well as shifts in the Fund’s portfolio among market sectors. In addition, the Managers will also actively manage the Fund’s average duration relative to the Benchmark.

A Proven Management Team


The Low Duration Fund will be managed by Chris Vincent and Paul Sularz, who also manage the William Blair Institutional Short-term Fixed Income separate accounts and who collectively have more than 45 years of experience working in the fixed-income industry.

We invite you to find out more about the William Blair Low Duration Fund. View the William Blair Low Duration Fund Prospectus. 

The Fund’s investments in mortgage-backed securities are subject to prepayment risk. Prepayment of high interest rate mortgage-backed securities during times of declining interest rates will tend to lower the return of the Fund and may even result in losses if the prepaid securities were acquired at a premium.

To the extent the Fund invests in short-term U.S. dollar-denominated foreign money market instruments, investing in foreign securities may involve a greater degree of risk than investing in domestic securities due to the possibility of, but not limited to, less publicly available information, more volatile markets, less securities regulation, less favorable tax provisions, war and expropriation.

As interest rates rise, bond prices will fall and bond funds become more volatile.

Investment return, principal value, and yields of an investment will fluctuate so that an investor's shares, when redeemed, may be worth more or less than their original cost.