MUIIX — Ultra Short Income Portfolio
Data updated: 2026-08-21
MUIIX — Ultra Short Income Portfolio. Leveraged · $19.61B AUM · 0.30% expense ratio · 4.0% 1-yr return. Holdings, fees, performance and SEC filings.
MUIIX Fund Overview
MUIIX — Ultra Short Income Portfolio is a US mutual fund managed by Morgan Stanley Institutional Fund 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: Morgan Stanley Institutional Fund Trust
- Category: Leveraged
- Assets under management: $19.61B
- 1-year return: 4.0%
- Ticker: MUIIX
- SEC CIK: 0000741375
- SEC series ID: S000052013
- Share class ID: C000163598
MUIIX Holdings
Top 10 holdings of Ultra Short Income Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| JPMorgan Securities LLC | 4.18% |
| Credit Indust Et Comm Ny | 2.62% |
| BNP Paribas SA | 2.30% |
| BofA Securities, Inc. | 2.17% |
| Credit Agricole CIB | 2.14% |
| Wells Fargo Securities LLC | 2.10% |
| Citigroup Global Markets | 2.03% |
| National Bank Of Canada | 1.79% |
| Sumitomo Mitsui Banking | 1.53% |
| Bank of Nova Scotia | 1.43% |
MUIIX Portfolio Allocation
Asset-class allocation of Ultra Short Income Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Cash & Equivalents | 85.3% |
| Fixed Income | 15.1% |
MUIIX Performance
Total returns for MUIIX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.8% |
| 1 year | 4.0% |
| 3 years (annualised) | 4.9% |
| 5 years (annualised) | 3.8% |
MUIIX Risk Information
Risk metrics for MUIIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.3%
MUIIX Costs and Fees
MUIIX costs about $30 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.30%
- Gross expense ratio: 0.35%
- Portfolio turnover: 0%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MUIIX Cashflows
Over the 12 months to 2026-06, Ultra Short Income Portfolio had net inflows of $5.36B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $304.95M |
| 2026-05 | $715.70M |
| 2026-04 | $428.11M |
| 2026-03 | −$66.76M |
| 2026-02 | $711.38M |
| 2026-01 | $678.65M |
MUIIX Debt Constituents
Largest debt holdings of Ultra Short Income Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Citigroup Global Markets | 2.03% |
| Protective Life Global | 1.34% |
| Sumitomo Mitsui Finl Grp | 1.06% |
| Mizuho Markets Cayman | 1.02% |
| Mizuho Markets Cayman | 0.96% |
| Mizuho Markets Cayman | 0.77% |
| Toronto-Dominion Bank | 0.75% |
| American Honda Finance | 0.64% |
| Bmw US Capital LLC | 0.61% |
| American Honda Finance | 0.48% |
MUIIX Prospectus and SEC Filings
Official Ultra Short Income Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-28
- Prospectus (485BPOS) — filed 2025-01-28
- Prospectus supplement (497) — filed 2025-01-31
- Portfolio holdings (N-PORT) — filed 2026-08-21
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-09
- Annual census (N-CEN) — filed 2024-12-10
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.