# Short Duration Fund

Short Duration Fund is a registered fund series of American Century Investment Trust (series S000014385). Net assets $1.0B as of 2026-03-31.

## Profile

- Series ID: S000014385
- Registrant: American Century Investment Trust
- LEI: 3VTVXMH1JRM312VF5K71
- Net assets: $1.0B
- Total assets: $1.0B
- As of: 2026-03-31

## Advisers

- [American Century Investment Management, Inc. (Advisor)](https://search.stillhousedata.com/firm/105778)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CNH0) | — | $82.3M | 820.01% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CQE4) | — | $67.5M | 672.38% |
| [State Street Institutional US Government Money Market Fund](https://search.stillhousedata.com/security/857492706) | — | $50.2M | 500.08% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CQA2) | — | $23.3M | 232.06% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CNY3) | — | $19.8M | 197.18% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CQH7) | — | $18.0M | 179.57% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CNP2) | — | $14.0M | 139.53% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/912797UD7) | — | $10.6M | 105.82% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CKE0) | — | $10.6M | 105.11% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CQB0) | — | $7.9M | 79.07% |
| [Freddie Mac Multifamily Structured Pass Through Certificates](https://search.stillhousedata.com/security/3137FNWX4) | — | $7.7M | 77.17% |
| [U.S. TREASURY](https://search.stillhousedata.com/security/91282CMD0) | — | $6.1M | 60.79% |
| [HOMES 2025-NQM3 Trust](https://search.stillhousedata.com/security/40446GAC6) | — | $5.9M | 58.50% |
| [Aircastle Ltd](https://search.stillhousedata.com/security/00928QAW1) | — | $5.5M | 55.27% |
| [M&T Bank RV Trust 2026-1](https://search.stillhousedata.com/security/551923AA3) | — | $5.5M | 54.79% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $1.0B |
| 2025-12-31 | $1.0B |
| 2025-09-30 | $1.1B |
| 2025-06-30 | $1.1B |
| 2025-03-31 | $1.1B |
| 2024-12-31 | $1.2B |
| 2024-09-30 | $1.3B |
| 2024-06-30 | $1.3B |

## More

- [Registrant: American Century Investment Trust](https://search.stillhousedata.com/registrant/908406)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000014385.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.