ASXDX — Short Duration Strategic Income Fund
Data updated: 2026-08-28
ASXDX — Short Duration Strategic Income Fund. Intermediate Corporate Bond · $869.24M AUM · 0.27% expense ratio. Holdings, fees, performance and SEC filings.
ASXDX Fund Overview
ASXDX — Short Duration Strategic Income Fund is a US mutual fund managed by American Century Investment Trust, categorised as Intermediate Corporate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: American Century Investment Trust
- Category: Intermediate Corporate Bond
- Assets under management: $869.24M
- 1-year return: 4.5%
- Ticker: ASXDX
- SEC CIK: 0000908406
- SEC series ID: S000046093
- Share class ID: C000144167
ASXDX Holdings
Top 10 holdings of Short Duration Strategic Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| U.s. Treasury | 3.85% |
| U.s. Treasury | 1.72% |
| U.s. Treasury | 1.64% |
| U.s. Treasury | 1.60% |
| State Street Bank & Trust Co | 1.05% |
| U.s. Treasury | 0.85% |
| Riverspring Hlth Senior | 0.73% |
| JP Morgan Mortgage Trust Series 2026-NQX1 | 0.61% |
| PMT Loan Trust 2025-CNF1 | 0.60% |
| U.s. Treasury | 0.57% |
ASXDX Portfolio Allocation
Asset-class allocation of Short Duration Strategic Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 55.4% |
| Securitized | 33.7% |
| Equity | 9.7% |
| Loans | 1.9% |
| Cash & Equivalents | 1.1% |
ASXDX Performance
Total returns for ASXDX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.6% |
| 1 year | 4.5% |
| 3 years (annualised) | 6.1% |
| 5 years (annualised) | 2.9% |
ASXDX Risk Information
Risk metrics for ASXDX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.4%
ASXDX Costs and Fees
ASXDX costs about $27 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.27%
- Gross expense ratio: 0.27%
- Portfolio turnover: 156%
- Brokerage commissions: 0.48 bps of average net assets (SEC N-CEN)
ASXDX Cashflows
Over the 12 months to 2026-06, Short Duration Strategic Income Fund had net inflows of $106.70M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$9.84M |
| 2026-05 | −$1.36M |
| 2026-04 | $239.81K |
| 2026-03 | $30.46M |
| 2026-02 | $18.44M |
| 2026-01 | $26.06M |
ASXDX Debt Constituents
Largest debt holdings of Short Duration Strategic Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| U.s. Treasury | 3.85% |
| U.s. Treasury | 1.72% |
| U.s. Treasury | 1.64% |
| U.s. Treasury | 1.60% |
| U.s. Treasury | 0.85% |
| Riverspring Hlth Senior | 0.73% |
| U.s. Treasury | 0.57% |
| Westpac Banking Corp | 0.51% |
| Enterprise Products Operating LLC | 0.50% |
| Enbridge Inc | 0.49% |
ASXDX Prospectus and SEC Filings
Official Short Duration Strategic Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-07-29
- Prospectus (485BPOS) — filed 2025-07-29
- Prospectus (485BPOS) — filed 2024-07-29
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-29
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2026-06-11
- Annual census (N-CEN) — filed 2025-06-11
Related Funds
Other Intermediate Corporate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.