American Century Short Duration R6 (ASDDX)
| Fund Assets | 1.10B |
| Expense Ratio | 0.32% |
| Min. Investment | $2,500 |
| Turnover | 272.00% |
| Dividend (ttm) | 0.44 |
| Dividend Yield | 4.45% |
| Dividend Growth | 0.53% |
| Payout Frequency | Monthly |
| Ex-Dividend Date | Nov 28, 2025 |
| Previous Close | 9.87 |
| YTD Return | 5.37% |
| 1-Year Return | 5.70% |
| 5-Year Return | 13.57% |
| 52-Week Low | 9.30 |
| 52-Week High | 9.87 |
| Beta (5Y) | n/a |
| Holdings | 321 |
| Inception Date | Jul 28, 2017 |
About ASDDX
American Century Short Duration Fund R6 is an actively managed short-term bond mutual fund designed to maximize total return with a secondary goal of delivering a high level of current income. The strategy emphasizes **investment‑grade** debt and holds a diversified mix of U.S. Treasuries, agencies, corporate bonds, commercial paper, and other high-quality fixed-income instruments, with a focus on **short effective duration** to help limit price volatility as interest rates change. The fund is positioned within the **Short‑Term Bond** category and targets securities generally in the one‑ to three‑year maturity range, aligning its risk profile with conservative income objectives. It distributes income **monthly** and is managed within the American Century lineup’s institutional R6 share class, which features a comparatively **low net expense ratio** for cost efficiency. The portfolio’s mandate to keep at least a majority in investment‑grade, non–money market debt supports capital preservation while seeking incremental yield over cash. In employer-sponsored retirement plans, it can serve as a **core short-duration fixed-income holding** for liquidity needs, ballast against equity volatility, and diversification of interest-rate and credit exposures.
Performance
ASDDX had a total return of 5.70% in the past year, including dividends. Since the fund's inception, the average annual return has been -0.49%.
Equivalent Funds
These are funds that follow the same index from the other major fund companies.
Top 10 Holdings
25.90% of assets| Name | Symbol | Weight |
|---|---|---|
| U.S. TREASURY - United States Treasury Note/Bond 3.88 06/15/2028 | T | 7.30% |
| U.S. TREASURY - United States Treasury Note/Bond 3.75 12/31/2028 | T | 3.55% |
| State Street U.S. Government Money Market Portfolio | GVMXX | 3.50% |
| U.S. TREASURY - United States Treasury Note/Bond 3.88 03/15/2028 | T | 2.19% |
| U.S. TREASURY - United States Treasury Note/Bond 4.63 09/15/2026 | T | 2.15% |
| U.S. TREASURY - United States Treasury Note/Bond 3.50 09/15/2028 | T | 1.66% |
| U.S. TREASURY - United States Treasury Note/Bond - When Issued 4.25 12/15/2026 | WIT | 1.64% |
| FREMF 2016-K54 Mortgage Trust 4.23 | FREMF | 1.42% |
| U.S. TREASURY - United States Treasury Note/Bond 0.75 04/30/2026 | T | 1.34% |
| U.S. TREASURY - United States Treasury Bill 0.00 08/06/2026 | B | 1.17% |
Dividend History
| Ex-Dividend | Amount | Pay Date |
|---|---|---|
| Nov 28, 2025 | $0.03448 | Nov 28, 2025 |
| Oct 31, 2025 | $0.0403 | Oct 31, 2025 |
| Sep 30, 2025 | $0.03677 | Sep 30, 2025 |
| Aug 29, 2025 | $0.0414 | Aug 29, 2025 |
| Jul 31, 2025 | $0.0388 | Jul 31, 2025 |
| Jun 30, 2025 | $0.03758 | Jun 30, 2025 |