INFLATION-ADJUSTED BOND FUND
Name
As of 06/01/2026Price
Aum/Mkt Cap
YIELD
Annualized forward dividend yield. Multiplies the most recent dividend payout amount by its frequency and divides by the previous close price.
Exp Ratio
Expense ratio is the fund’s total annual operating expenses, including management fees, distribution fees, and other expenses, expressed as a percentage of average net assets.
Watchlist
Vitals
YTD Return
1.8%
1 yr return
5.4%
3 Yr Avg Return
4.0%
5 Yr Avg Return
1.1%
Net Assets
$2.02 B
Holdings in Top 10
40.9%
52 WEEK LOW AND HIGH
$10.8
N/A
N/A
Expenses
OPERATING FEES
Expense Ratio 0.34%
SALES FEES
Front Load N/A
Deferred Load N/A
TRADING FEES
Turnover 30.00%
Redemption Fee N/A
Min Investment
Standard (Taxable)
$0
IRA
N/A
Fund Classification
Fund Type
Open End Mutual Fund
Name
As of 06/01/2026Price
Aum/Mkt Cap
YIELD
Annualized forward dividend yield. Multiplies the most recent dividend payout amount by its frequency and divides by the previous close price.
Exp Ratio
Expense ratio is the fund’s total annual operating expenses, including management fees, distribution fees, and other expenses, expressed as a percentage of average net assets.
Watchlist
AIANX - Profile
Distributions
- YTD Total Return 1.8%
- 3 Yr Annualized Total Return 4.0%
- 5 Yr Annualized Total Return 1.1%
- Capital Gain Distribution Frequency Annually
- Net Income Ratio 5.50%
- Dividend Yield 0.0%
- Dividend Distribution Frequency Quarterly
Fund Details
-
Legal NameINFLATION-ADJUSTED BOND FUND
-
Fund Family NameAmerican Century Investments
-
Inception DateOct 01, 2002
-
Shares Outstanding22666074
-
Share ClassR5
-
CurrencyUSD
-
Domiciled CountryUS
-
ManagerRobert Gahagan
Fund Description
Under normal market conditions, the fund invests at least 80% of its net assets in inflation-adjusted bonds. The advisor considers inflation-adjusted bonds to include inflation-indexed bonds, notes, commercial paper, short-term instruments and other debt securities issued by the U.S. Treasury, by other U.S. government agencies and instrumentalities, and by other, non-U.S. government entities such as corporations and foreign governments. Inflation-indexed securities are designed to protect the future purchasing power of the money invested in them; their principal value may be indexed for changes in inflation. In addition, the fund may invest a portion of its assets in traditional U.S. Treasury, U.S. government agency or other non-U.S. government securities that are not inflation-indexed.
Securities issued or guaranteed by the U.S. Treasury and certain U.S. government agencies or instrumentalities, such as the Government National Mortgage Association (Ginnie Mae), are supported by the full faith and credit of the U.S. government. Securities issued or guaranteed by other U.S. government agencies or instrumentalities, such as the Federal National Mortgage Association (Fannie Mae), the Federal Home Loan Mortgage Corporation (Freddie Mac), and the Federal Home Loan Bank are not guaranteed by the U.S. Treasury or supported by the full faith and credit of the U.S. government. However, these agencies or instrumentalities are authorized to borrow from the U.S. Treasury to meet their obligations. In general, securities issued by non-U.S. government entities are backed only by the credit of the issuer.
The fund invests primarily in investment-grade securities, but may also invest a portion of its assets in high-yield securities, or junk bonds. A high-yield security is one that has been rated below the four highest categories by a nationally recognized rating organization.
There are no maturity or duration restrictions for the securities in which the fund may invest.
Although the fund invests primarily in U.S. dollar-denominated securities, the fund also may invest in securities denominated in foreign currencies.
To generate additional income, the fund may purchase securities, including mortgage dollar rolls, in advance through when-issued and forward commitment transactions. The fund may commit up to 35% of its total assets to such transactions.
The fund also may invest in derivative instruments such as futures contracts and swap agreements (including, but not limited to, inflation swap agreements and credit default swap agreements), bank loans, securities backed by mortgages or other assets and collateralized obligations (including collateralized loan obligations). The fund may invest in U.S. Treasury futures, inflation swap agreements and credit default swap agreements to manage duration, inflation and credit exposure.
When determining whether to sell a security, the portfolio managers consider, among other things, current and anticipated changes in interest rates, current valuation relative to alternatives in the market, general market conditions and any other factors deemed relevant by the portfolio managers.
AIANX - Performance
Return Ranking - Trailing
| Period | AIANX Return | Category Return Low | Category Return High | Rank in Category (%) |
|---|---|---|---|---|
| YTD | 1.8% | -5.9% | 14.7% | 29.29% |
| 1 Yr | 5.4% | -4.6% | 23.8% | 23.74% |
| 3 Yr | 4.0%* | -3.8% | 12.5% | 57.36% |
| 5 Yr | 1.1%* | -8.5% | 6.7% | 47.67% |
| 10 Yr | 2.7%* | -0.8% | 5.2% | 45.63% |
* Annualized
Return Ranking - Calendar
| Period | AIANX Return | Category Return Low | Category Return High | Rank in Category (%) |
|---|---|---|---|---|
| 2025 | 2.2% | -4.8% | 10.2% | 44.44% |
| 2024 | -0.4% | -14.2% | 5.8% | 41.41% |
| 2023 | -1.3% | -8.7% | 5.1% | 86.73% |
| 2022 | -18.3% | -52.3% | -4.0% | 82.38% |
| 2021 | 1.7% | -7.9% | 7.7% | 26.98% |
Total Return Ranking - Trailing
| Period | AIANX Return | Category Return Low | Category Return High | Rank in Category (%) |
|---|---|---|---|---|
| YTD | 1.8% | -5.9% | 14.7% | 29.29% |
| 1 Yr | 5.4% | -4.6% | 23.8% | 23.74% |
| 3 Yr | 4.0%* | -3.8% | 12.5% | 57.36% |
| 5 Yr | 1.1%* | -8.5% | 6.7% | 47.67% |
| 10 Yr | 2.7%* | -0.8% | 5.2% | 45.63% |
* Annualized
Total Return Ranking - Calendar
| Period | AIANX Return | Category Return Low | Category Return High | Rank in Category (%) |
|---|---|---|---|---|
| 2025 | 6.9% | 1.5% | 12.6% | 38.38% |
| 2024 | 2.0% | -11.1% | 8.6% | 55.05% |
| 2023 | 3.3% | -5.2% | 9.5% | 66.33% |
| 2022 | -12.2% | -40.1% | 9.2% | 69.95% |
| 2021 | 6.6% | -0.6% | 37.6% | 17.46% |
NAV & Total Return History
AIANX - Holdings
Concentration Analysis
| AIANX | Category Low | Category High | AIANX % Rank | |
|---|---|---|---|---|
| Net Assets | 2.02 B | 976 K | 68.5 B | 33.33% |
| Number of Holdings | 168 | 2 | 1209 | 45.45% |
| Net Assets in Top 10 | 824 M | 343 K | 33.2 B | 39.39% |
| Weighting of Top 10 | 40.95% | 13.2% | 100.0% | 77.04% |
Top 10 Holdings
- United States Treasury Inflation Indexed Bonds 1.38 07/15/2033 5.66%
- United States Treasury Inflation Indexed Bonds 1.88 07/15/2034 4.81%
- United States Treasury Inflation Indexed Bonds 0.13 07/15/2031 4.79%
- United States Treasury Inflation Indexed Bonds 1.88 07/15/2035 4.54%
- United States Treasury Inflation Indexed Bonds 0.63 07/15/2032 4.04%
- United States Treasury Inflation Indexed Bonds 1.13 04/15/2028 3.84%
- United States Treasury Inflation Indexed Bonds 3.88 04/15/2029 3.49%
- United States Treasury Inflation Indexed Bonds 0.50 01/15/2028 3.47%
- United States Treasury Inflation Indexed Bonds 0.25 07/15/2029 3.33%
- Regatta Funding Co LLC 0.00 04/01/2026 2.98%
Asset Allocation
| Weighting | Return Low | Return High | AIANX % Rank | |
|---|---|---|---|---|
| Bonds | 92.31% | 0.00% | 209.00% | 76.77% |
| Cash | 4.21% | -42.00% | 17.49% | 13.13% |
| Preferred Stocks | 2.19% | 0.00% | 2.59% | 9.09% |
| Stocks | 1.03% | 0.00% | 100.02% | 20.71% |
| Other | 0.36% | -54.36% | 44.43% | 53.54% |
| Convertible Bonds | 0.20% | 0.00% | 3.96% | 27.27% |
Stock Sector Breakdown
| Weighting | Return Low | Return High | AIANX % Rank | |
|---|---|---|---|---|
| Utilities | 0.00% | 0.00% | 1.13% | N/A |
| Technology | 0.00% | 0.00% | 48.29% | N/A |
| Real Estate | 0.00% | 0.00% | 99.95% | N/A |
| Industrials | 0.00% | 0.00% | 3.93% | N/A |
| Healthcare | 0.00% | 0.00% | 6.17% | N/A |
| Financial Services | 0.00% | 0.00% | 100.00% | N/A |
| Energy | 0.00% | 0.00% | 10.65% | N/A |
| Communication Services | 0.00% | 0.00% | 17.02% | N/A |
| Consumer Defense | 0.00% | 0.00% | 31.30% | N/A |
| Consumer Cyclical | 0.00% | 0.00% | 16.99% | N/A |
| Basic Materials | 0.00% | 0.00% | 22.13% | N/A |
Stock Geographic Breakdown
| Weighting | Return Low | Return High | AIANX % Rank | |
|---|---|---|---|---|
| US | 1.03% | 0.00% | 100.02% | 20.71% |
| Non US | 0.00% | 0.00% | 74.27% | 94.95% |
Bond Sector Breakdown
| Weighting | Return Low | Return High | AIANX % Rank | |
|---|---|---|---|---|
| Government | 86.74% | 6.70% | 112.97% | 57.07% |
| Securitized | 4.47% | 0.00% | 58.03% | 37.37% |
| Cash & Equivalents | 4.21% | 0.00% | 17.49% | 13.64% |
| Corporate | 3.21% | 0.00% | 50.64% | 45.96% |
| Derivative | 0.36% | -13.51% | 16.99% | 39.90% |
| Municipal | 0.00% | 0.00% | 1.28% | 98.48% |
Bond Geographic Breakdown
| Weighting | Return Low | Return High | AIANX % Rank | |
|---|---|---|---|---|
| US | 90.59% | 0.00% | 192.93% | 77.78% |
| Non US | 1.72% | 0.00% | 56.80% | 28.79% |
AIANX - Expenses
Operational Fees
| AIANX Fees (% of AUM) | Category Return Low | Category Return High | Rank in Category (%) | |
|---|---|---|---|---|
| Expense Ratio | 0.34% | 0.02% | 4.30% | 79.59% |
| Management Fee | 0.26% | 0.00% | 6.00% | 51.52% |
| 12b-1 Fee | N/A | 0.00% | 1.00% | N/A |
| Administrative Fee | N/A | 0.01% | 0.40% | N/A |
Sales Fees
| AIANX Fees (% of AUM) | Category Return Low | Category Return High | Rank in Category (%) | |
|---|---|---|---|---|
| Front Load | N/A | 1.00% | 4.75% | N/A |
| Deferred Load | N/A | 1.00% | 4.00% | N/A |
Trading Fees
| AIANX Fees (% of AUM) | Category Return Low | Category Return High | Rank in Category (%) | |
|---|---|---|---|---|
| Max Redemption Fee | N/A | N/A | N/A | N/A |
Related Fees
Turnover provides investors a proxy for the trading fees incurred by mutual fund managers who frequently adjust position allocations. Higher turnover means higher trading fees.
| AIANX Fees (% of AUM) | Category Return Low | Category Return High | Rank in Category (%) | |
|---|---|---|---|---|
| Turnover | 30.00% | 0.00% | 246.00% | 35.45% |
AIANX - Distributions
Dividend Yield Analysis
| AIANX | Category Low | Category High | AIANX % Rank | |
|---|---|---|---|---|
| Dividend Yield | 0.00% | 0.00% | 14.25% | 9.60% |
Dividend Distribution Analysis
| AIANX | Category Low | Category High | Category Mod | |
|---|---|---|---|---|
| Dividend Distribution Frequency | Quarterly | Quarterly | Monthly | Monthly |
Net Income Ratio Analysis
| AIANX | Category Low | Category High | AIANX % Rank | |
|---|---|---|---|---|
| Net Income Ratio | 5.50% | -0.06% | 6.71% | 10.26% |
Capital Gain Distribution Analysis
| AIANX | Category Low | Category High | Capital Mode | |
|---|---|---|---|---|
| Capital Gain Distribution Frequency | Annually | Annually | Annually | Annually |
Distributions History
| Date | Amount | Type |
|---|---|---|
| Dec 16, 2025 | $0.241 | OrdinaryDividend |
| Jun 24, 2025 | $0.235 | OrdinaryDividend |
| Dec 17, 2024 | $0.205 | OrdinaryDividend |
| Dec 19, 2023 | $0.350 | OrdinaryDividend |
| Jun 20, 2023 | $0.133 | OrdinaryDividend |
| Dec 21, 2022 | $0.559 | OrdinaryDividend |
| Jun 21, 2022 | $0.236 | OrdinaryDividend |
| Dec 21, 2021 | $0.447 | OrdinaryDividend |
| Jun 22, 2021 | $0.154 | OrdinaryDividend |
| Dec 22, 2020 | $0.041 | OrdinaryDividend |
| Jun 16, 2020 | $0.131 | OrdinaryDividend |
| Dec 20, 2019 | $0.214 | OrdinaryDividend |
| Jun 18, 2019 | $0.094 | OrdinaryDividend |
| Dec 20, 2018 | $0.158 | OrdinaryDividend |
| Jun 19, 2018 | $0.195 | OrdinaryDividend |
| Dec 26, 2017 | $0.112 | OrdinaryDividend |
| Jun 20, 2017 | $0.163 | OrdinaryDividend |
| Dec 27, 2016 | $0.142 | OrdinaryDividend |
| Dec 13, 2016 | $0.015 | CapitalGainLongTerm |
| Jun 21, 2016 | $0.107 | OrdinaryDividend |
| Dec 28, 2015 | $0.090 | OrdinaryDividend |
| Jun 09, 2015 | $0.044 | OrdinaryDividend |
| Dec 23, 2014 | $0.052 | OrdinaryDividend |
| Dec 09, 2014 | $0.042 | CapitalGainLongTerm |
| Jun 10, 2014 | $0.164 | OrdinaryDividend |
| Dec 23, 2013 | $0.142 | OrdinaryDividend |
| Dec 06, 2013 | $0.001 | CapitalGainShortTerm |
| Dec 06, 2013 | $0.278 | CapitalGainLongTerm |
| Jun 11, 2013 | $0.055 | OrdinaryDividend |
| Dec 26, 2012 | $0.196 | OrdinaryDividend |
| Dec 07, 2012 | $0.039 | CapitalGainShortTerm |
| Dec 07, 2012 | $0.074 | CapitalGainLongTerm |
| Jun 12, 2012 | $0.128 | OrdinaryDividend |
| Dec 27, 2011 | $0.278 | OrdinaryDividend |
| Dec 09, 2011 | $0.058 | CapitalGainShortTerm |
| Dec 09, 2011 | $0.065 | CapitalGainLongTerm |
| Jun 14, 2011 | $0.198 | OrdinaryDividend |
| Dec 28, 2010 | $0.120 | OrdinaryDividend |
| Dec 10, 2010 | $0.020 | CapitalGainShortTerm |
| Dec 10, 2010 | $0.046 | CapitalGainLongTerm |
| Jun 15, 2010 | $0.162 | OrdinaryDividend |
| Dec 29, 2009 | $0.200 | OrdinaryDividend |
| Dec 06, 2005 | $0.032 | CapitalGainLongTerm |
| Dec 07, 2004 | $0.031 | CapitalGainLongTerm |
| Dec 09, 2003 | $0.055 | CapitalGainShortTerm |
| Dec 09, 2003 | $0.029 | CapitalGainLongTerm |
| Dec 06, 2002 | $0.123 | CapitalGainShortTerm |
| Dec 06, 2002 | $0.023 | CapitalGainLongTerm |
AIANX - Fund Manager Analysis
Managers
Robert Gahagan
Start Date
Tenure
Tenure Rank
Nov 30, 2001
20.51
20.5%
Mr. Gahagan, Senior Vice President and Senior Portfolio Manager, joined American Century Investments in 1983. He became a portfolio manager in 1991. He has a bachelor’s degree in economics and an MBA from the University of Missouri – Kansas City.
James Platz
Start Date
Tenure
Tenure Rank
Sep 28, 2007
14.68
14.7%
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. He received a bachelor’s degree in history and political economies of industrial societies from the University of California – Berkeley, and an MBA from the University of Southern California. He is a CFA charterholder.
Miguel Castillo
Start Date
Tenure
Tenure Rank
Feb 26, 2014
8.26
8.3%
Miguel Castillo, Portfolio Manager, has served on teams managing fixed-income investments since joining the American Century Investments in 2008 as a senior fixed income trader. He was promoted to portfolio manager in 2014. He has a bachelor’s degree in banking and finance from Escuela Bancaria Y Comercial, Mexico City, and an MBA from the University of Minnesota.
Tenure Analysis
| Category Low | Category High | Category Average | Category Mode |
|---|---|---|---|
| 0.17 | 20.51 | 6.68 | 11.1 |