ARMZX — Western Asset Ultra-Short Income Fund
Data updated: 2026-07-22
ARMZX — Western Asset Ultra-Short Income Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Leveraged · $478.97M AUM · 0.65% expense ratio · 4.7% 1-yr return. From SEC regulatory filings.
ARMZX Fund Overview
ARMZX — Western Asset Ultra-Short Income Fund is a US mutual fund managed by Legg Mason Partners Income Trust, categorised as Leveraged. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Legg Mason Partners Income Trust
- Category: Leveraged
- Assets under management: $478.97M
- 1-year return: 4.7%
- Ticker: ARMZX
- SEC CIK: 0000764624
- SEC series ID: S000016624
- Share class ID: C000046410
ARMZX Holdings
Top 10 holdings of Western Asset Ultra-Short Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Legg Mason Partners Institutional Trust | 4.20% |
| United States Of America - Bureau Of The Public Debt | 3.25% |
| United States Of America - Bureau Of The Public Debt | 1.79% |
| Swedbank Sparbanken Svenge Ab | 1.25% |
| Credit Agricole Corporate & Investment Bank New York Branch | 1.04% |
| Citigroup, Inc. | 1.00% |
| Mars, Inc. | 0.89% |
| Federal Home Loan Banks | 0.89% |
| Toronto Dominion Bank (the) | 0.76% |
| Wells Fargo & Company | 0.73% |
ARMZX Portfolio Allocation
Asset-class allocation of Western Asset Ultra-Short Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 56.1% |
| Securitized | 35.2% |
| Cash & Equivalents | 6.9% |
| Loans | 1.0% |
| Real Estate | 0.2% |
ARMZX Performance
Total returns for ARMZX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.7% |
| 1 year | 4.7% |
| 3 years (annualised) | 5.6% |
| 5 years (annualised) | 3.6% |
ARMZX Risk Information
Risk metrics for ARMZX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.3%
ARMZX Costs and Fees
ARMZX costs about $65 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.65%
- Gross expense ratio: 0.71%
- Portfolio turnover: 35%
- Brokerage commissions: 0.71 bps of average net assets (SEC N-CEN)
ARMZX Cashflows
Over the 12 months to 2026-02, Western Asset Ultra-Short Income Fund had net inflows of $2.20M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $29.10M |
| 2026-01 | $4.64M |
| 2025-12 | $1.23M |
| 2025-11 | $13.77M |
| 2025-10 | $2.83M |
| 2025-09 | $360.82K |
ARMZX Debt Constituents
Largest debt holdings of Western Asset Ultra-Short Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Of America - Bureau Of The Public Debt | 3.25% |
| United States Of America - Bureau Of The Public Debt | 1.79% |
| Citigroup, Inc. | 1.00% |
| Mars, Inc. | 0.89% |
| Federal Home Loan Banks | 0.89% |
| Toronto Dominion Bank (the) | 0.76% |
| Wells Fargo & Company | 0.73% |
| Meta Platforms, Inc. | 0.65% |
| Morgan Stanley | 0.62% |
| Rtx Corp. | 0.57% |
ARMZX Prospectus and SEC Filings
Official Western Asset Ultra-Short Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Leveraged 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.