MSTBX — Morningstar Defensive Bond Fund
Data updated: 2026-07-10
MSTBX — Morningstar Defensive Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Capital Preservation Allocation · $102.49M AUM · 0.52% expense ratio · 4.0% 1-yr return. From SEC regulatory filings.
MSTBX Fund Overview
MSTBX — Morningstar Defensive Bond Fund is a US mutual fund managed by Morningstar Funds Trust, categorised as Capital Preservation Allocation. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Morningstar Funds Trust
- Category: Capital Preservation Allocation
- Assets under management: $102.49M
- 1-year return: 4.0%
- Ticker: MSTBX
- SEC CIK: 0001699360
- SEC series ID: S000057732
- Share class ID: C000186143
MSTBX Holdings
Top 10 holdings of Morningstar Defensive Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Schwab Strategic Trust | 36.70% |
| Northern Institutional Funds | 12.60% |
| Ishares US ETF Trust | 11.81% |
| United States Of America - Bureau Of The Public Debt | 5.52% |
| Vanguard Malvern Funds | 5.01% |
| Northern Institutional Funds | 4.08% |
| United States Of America - Bureau Of The Public Debt | 2.45% |
| Phi Group, Inc. | 1.28% |
| Federal National Mortgage Association | 0.85% |
| Northern Institutional Funds | 0.77% |
MSTBX Portfolio Allocation
Asset-class allocation of Morningstar Defensive Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 55.1% |
| Securitized | 26.6% |
| Cash & Equivalents | 17.5% |
| Fixed Income | 13.4% |
MSTBX Performance
Total returns for MSTBX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.4% |
| 1 year | 4.0% |
| 3 years (annualised) | 5.4% |
| 5 years (annualised) | 2.8% |
MSTBX Risk Information
Risk metrics for MSTBX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 1.7%
MSTBX Costs and Fees
MSTBX costs about $52 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.52%
- Gross expense ratio: 0.73%
- Portfolio turnover: 31%
- Brokerage commissions: 1.11 bps of average net assets (SEC N-CEN)
MSTBX Cashflows
Over the 12 months to 2026-04, Morningstar Defensive Bond Fund had net outflows of $10.02M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$4.66M |
| 2026-03 | −$577.70K |
| 2026-02 | −$1.22M |
| 2026-01 | −$7.24M |
| 2025-12 | $1.06M |
| 2025-11 | −$394.72K |
MSTBX Debt Constituents
Largest debt holdings of Morningstar Defensive Bond 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 | 5.52% |
| United States Of America - Bureau Of The Public Debt | 2.45% |
| United States Of America - Bureau Of The Public Debt | 0.49% |
| Blue Owl Credit Income Corp. | 0.47% |
| United States Of America - Bureau Of The Public Debt | 0.47% |
| Midcap Financial Issuer Trust | 0.45% |
| United States Of America - Bureau Of The Public Debt | 0.43% |
| United States Of America - Bureau Of The Public Debt | 0.43% |
| Virginia Power Fuel Securitization LLC | 0.42% |
| Kansas Gas Service Securitization I LLC | 0.33% |
MSTBX Prospectus and SEC Filings
Official Morningstar Defensive Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Capital Preservation Allocation 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.