American Century Inflation Prot Bd Instl  APISX
  Morningstar Report
Overall Morningstar
Rating™
What is this?
As of 2009-10-31
Out of
Inflation-Protected Bond Funds
Rating derived from a weighted average of the fund's 3, 5, 10-year rating which are based on risk-adjusted performance.
Morningstar®
Style Box™
What is this?
   Avg Duration
   5.95 Yrs
   Avg Credit Quality
   AAA
As of 2009-09-30
Day Change
$ 0.00
  
NAV (2009-11-20)
$ 10.63
  
YTD Return % (2009-11-20)
12.73%
  
Total Assets ($ mil)
391
View Data Definitions
  Performance    
Growth of $10,000 Fund: American Century Inflation Prot Bd Instl
(from 2005-05-31 to 2009-10-31) Category: Inflation-Protected Bond
Index: BarCap US Agg Bond TR USD
Total Annualized Returns % 1yr, 3yr and 5yr Returns as of 2009-11-20
Inception date: 2005-05-31 10yr and Inception Returns as of 2009-10-31
YTD Returns as of 2009-11-20
YTD 1 Year 3 Year 5 Year 10 Year Since Inception
Fund 12.73 17.72 7.07 --- --- 4.57
+/- Category 2.34 1.52 2.30 --- --- ---
+/- BarCap US Agg Bond TR USD 5.82 5.23 0.62 --- --- ---
Standardized Annual Returns %   more on standardized returns
Quarter-End (as of 2009-09-30) 9.23 6.40 5.91 --- --- 4.34
Month-End (as of 2009-10-31) 10.71 16.52 6.42 --- --- 4.57
After Tax Returns % (as of 2009-09-30 )  
On Distribution --- 16.52 4.87 --- --- ---
On Distribution & Sale of Shares --- 10.74 4.56 --- --- ---
Morningstar Rating --- --- --- --- ---
# of compared funds covered (3 yrs : out of 138 funds), (5 yrs : out of funds), (10 yrs : out of funds). Ratings are based on risk-adjusted performance. The maximum initial sales fee is none, the maximum deferred sales fee is none, and the maximum redemption sales fee is none.
The performance quoted represents past performance and does not guarantee future results. The investment return and principal value of an investment will fluctuate thus an investor's shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than the performance data quoted herein.
  Portfolio Profile    
Sector Breakdown %
US Government 86.14
US Treasuries 4.60
TIPS 81.55
US Agency 0.00
Mortgage 0.51
Mortgage Pass-Thru 0.00
Mortgage CMO 0.51
Mortgage ARM 0.00
Credit 7.86
US Corporate 6.99
Asset-Backed 0.10
Convertible 0.00
Municipal 0.78
Corporate Inflation-Protected 0.00
Foreign 1.20
Foreign Corp 1.20
Foreign Govt 0.00
Cash 4.29
Bond Quality % of Bonds
AAA 91.6
AA 0.6
A 2.5
BBB 4.3
BB 0.7
B 0.3
Below B 0.1
Not Rated 0.0
 
Asset Allocation
% of Net Assets
Cash 4.1
Stocks 0.0
Bonds 95.9
Other 0.0
Foreign Stocks 0.0
(as a % of Assets)
Data through 2009-09-30 Data through 2009-09-30
 
Holding Status
Total Number of Stock Holdings Turnover % 37
Total Number of Bond Holdings 115 30 Day SEC Yield % 3.44
% of Assets in Top 10 Holdings 46.28 ending as of 2009-09-30
View Data Definitions
Top 10 Holdings Maturity
Date		 Amount
$000		 Value
$000		 % of Net
Assets
US Treasury Bond 2.375% 2025-01-15 19,189 23,005 6.55
US Treasury Note 2016-01-15 16,500 18,597 5.29
US Treasury Note 3% 2012-07-15 13,010 16,590 4.72
US Treasury Note 1.875% 2013-07-15 13,675 16,585 4.72
US Treasury Note 1.625% 2015-01-15 14,400 16,560 4.71
US Treasury Bond 2.5% 2029-01-15 14,273 15,426 4.39
US Treasury Bond 3.875% 2029-04-15 8,860 14,998 4.27
US TREASURY NOTE 2015-07-15 12,650 14,487 4.12
US Treasury Bond 2% 2026-01-15 13,000 14,101 4.01
US Treasury Bond 3.625% 2028-04-15 7,454 12,288 3.50
Data through 2009-09-30
  Other Information
Fund Inception: 2005-05-31
Portfolio Manager  (Start Date)
Robert V. Gahagan  (2005-05-31)
Gahagan is a vice president and portfolio manager for American Century Investments, his employer since 1983. Prior to that, he was a law clerk at Kuraner & Schwegler law firm. Gahagan is a member of the Association for Investment Management and Research.
Brian Howell  (2006-05-31)
Howell has been a portfolio manager with American Century Investments since January 1996. He joined the company in 1987 as a research analyst.
James E. Platz  (2007-09-28)
Platz is vice president and a senior portfolio manager with American Century, his employer since October 2003. Prior to joining American Century, Platz was a vice president, senior portfolio manager for Standish Mellon Asset Management, formerly Certus Asset Advisors, since August 1995.
Sales Charge %
(taken from prospectus dated 2009-08-01)
Front: None
Deferred: None
Expense Ratio % 0.39
based on net assets
(taken from annual report dated 2009-03-31)
Correspondence Information
4500 Main Street, P.O. Box 419200

Kansas City,  MO  64141-6200
Telephone:
800-345-2021
Data on this page does not include the fund's short positions (if any).
Show Data Definitions

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Past performance is no guarantee of future results.
Returns will vary and shares may be worth more or less than their original cost when sold.