MSTBX Holdings — Morningstar Defensive Bond Fund
Data updated: 2026-09-28
MSTBX holds 191 securities. The top 10 make up 90.3% of net assets, led by Schwab Strategic Trust Short-Term US Treasury ETF (33.09%) and Northern Institutional Funds LIQ ASET PORTF (22.49%). Funds & ETFs (65.1%) and Mortgage / Securitized (21.2%) are the largest sectors, and 121.5% of the portfolio is in United States. Debt holdings: 19 positions, 15.0% of assets.
Holdings cover 122.86% of net asset value. As of July 31, 2026 · N-PORT.
MSTBX Portfolio Holdings
191 holdings of Morningstar Defensive Bond Fund by percentage of net assets, from the fund's SEC N-PORT filing as of July 31, 2026. The 100 largest are listed below; the interactive table on this page lists all 191.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Schwab Strategic Trust Short-Term US Treasury ETF | SCHO | Funds & ETFs | 33.09% | $32.81M |
| Northern Institutional Funds LIQ ASET PORTF | — | Funds & ETFs | 22.49% | $22.30M |
| Ishares US ETF Trust Ultra Short Duration Bond Active ETF | ICSH | Funds & ETFs | 12.23% | $12.13M |
| Vanguard Malvern Funds Sh-Term Infl Protected ETF | VTIP | Funds & ETFs | 7.63% | $7.57M |
| T 3.75 01/31/31 | T | Government Bonds | 5.61% | $5.56M |
| Northern Institutional Funds Treas Prt Prmr | NTPXX | Funds & ETFs | 3.40% | $3.37M |
| T 3.5 02/28/31 | T | Government Bonds | 2.50% | $2.47M |
| T 3.875 04/30/31 | T | Government Bonds | 1.13% | $1.12M |
| B 0 08/06/26 | B | Government Bonds | 1.10% | $1.09M |
| Northern Institutional Funds Treas Prt Prmr | NTPXX | Funds & ETFs | 1.09% | $1.08M |
| Phi Group Inc.com | PHIG | Equity — Other | 1.08% | $1.07M |
| Fn Fs1967 | FNMA | Mortgage / Securitized | 0.83% | $826.62K |
| Tii 1.25 04/15/31 | T | Government Bonds | 0.69% | $688.79K |
| Gcpaf 2021-2a B | GCPAF | Mortgage / Securitized | 0.60% | $590.76K |
| Fn Fs1680 | FNMA | Mortgage / Securitized | 0.58% | $579.84K |
| Prog 2024-Sfr4 A | PROG | Mortgage / Securitized | 0.57% | $567.67K |
| Fn Ma4473 | FNMA | Mortgage / Securitized | 0.56% | $557.20K |
| Fhms K754 A2 | FHMS | Mortgage / Securitized | 0.55% | $549.53K |
| Fh 841463 | FHLMC | Mortgage / Securitized | 0.54% | $535.38K |
| Ammst 2020-Mf1 A5 | AMMST | Mortgage / Securitized | 0.51% | $500.84K |
| B 0 08/13/26 | B | Government Bonds | 0.49% | $482.52K |
| Ocincc 7.95 06/13/28 | OCINCC | Corporate Bonds | 0.49% | $482.19K |
| Aesop 2024-3a A | AESOP | Mortgage / Securitized | 0.47% | $470.22K |
| Gsmbs 2022-Pj5 A22 | GSMBS | Mortgage / Securitized | 0.47% | $460.94K |
| Midcap 6.5 05/01/28 | MIDCAP | Corporate Bonds | 0.46% | $460.70K |
| Cerb 2023-4a A | CERB | Mortgage / Securitized | 0.46% | $451.70K |
| Fr Rb5104 | FHLMC | Mortgage / Securitized | 0.45% | $447.00K |
| Fhms K117 A2 | FHLMC | Mortgage / Securitized | 0.44% | $435.21K |
| Virpfs 4.877 05/01/31 A-2 | VIRPFS | Corporate Bonds | 0.43% | $422.39K |
| Cerb 2023-2a A1 | CERB | Mortgage / Securitized | 0.42% | $419.69K |
| Slg 2021-Ova A | SLG | Mortgage / Securitized | 0.41% | $402.12K |
| Fr Rb5137 | FHLMC | Mortgage / Securitized | 0.40% | $396.23K |
| Fr Rb5110 | FHLMC | Mortgage / Securitized | 0.40% | $393.34K |
| Bx 2019-Oc11 A | BX | Mortgage / Securitized | 0.40% | $393.08K |
| Fn Ma4445 | FNMA | Mortgage / Securitized | 0.39% | $381.75K |
| Fhms K101 A2 | FHLMC | Mortgage / Securitized | 0.38% | $379.04K |
| Fn Fs7700 | FNMA | Mortgage / Securitized | 0.38% | $375.74K |
| Fhms K103 A2 | FHLMC | Mortgage / Securitized | 0.36% | $359.33K |
| Eix 4.453 03/15/36 | EIX | Corporate Bonds | 0.35% | $346.17K |
| Gocap 2019-46a A1r | GOCAP | Mortgage / Securitized | 0.35% | $343.20K |
| Jpmmt 2021-11 A4 | JPMMT | Mortgage / Securitized | 0.34% | $337.68K |
| Ogs 5.486 08/01/32 22a | OGS | Corporate Bonds | 0.34% | $336.57K |
| T 4.125 06/30/31 | T | Government Bonds | 0.34% | $332.52K |
| Oakscf 8.4 11/14/28 * | OAKSCF | Corporate Bonds | 0.33% | $328.26K |
| Fn Fs9622 | FNMA | Mortgage / Securitized | 0.32% | $314.55K |
| Cnp 4.255 12/15/35 A-1 | CNP | Corporate Bonds | 0.29% | $292.15K |
| Chi 2025-Sft A | CHI | Mortgage / Securitized | 0.29% | $291.68K |
| Fn Fs7513 | FNMA | Mortgage / Securitized | 0.28% | $273.79K |
| Jpmmt 2021-10 A4 | JPMMT | Mortgage / Securitized | 0.27% | $271.96K |
| Jpmmt 2021-13 A4 | JPMMT | Mortgage / Securitized | 0.27% | $270.70K |
| Copper Property Ctl Pass Through Trust Equity Ctfs | CPPTL | Real Estate | 0.27% | $268.89K |
| Pcg 4.838 06/01/33 A-1 | PCG | Corporate Bonds | 0.26% | $262.51K |
| Fhms K102 A2 | FHLMC | Mortgage / Securitized | 0.26% | $254.75K |
| Fr Rb5113 | FHLMC | Mortgage / Securitized | 0.25% | $251.87K |
| Fr Sc0443 | FHLMC | Mortgage / Securitized | 0.25% | $250.79K |
| Fn Fa1527 | FNMA | Mortgage / Securitized | 0.24% | $237.57K |
| Vzmt 2024-7 A | VZMT | Mortgage / Securitized | 0.23% | $230.68K |
| Semt 2025-S1 A4 | SEMT | Mortgage / Securitized | 0.23% | $229.28K |
| Gsmbs 2022-Pj6 A15 | GSMBS | Mortgage / Securitized | 0.23% | $224.23K |
| Hlend 6.75 01/30/29 | HLEND | Corporate Bonds | 0.21% | $210.46K |
| Rocc 2024-Cntr A | ROCC | Mortgage / Securitized | 0.21% | $210.05K |
| Fn 310215 | FNMA | Mortgage / Securitized | 0.21% | $208.47K |
| Fn Fa1315 | FNMA | Mortgage / Securitized | 0.20% | $202.90K |
| Fr Qk0692 | FHLMC | Mortgage / Securitized | 0.20% | $201.31K |
| Fordf 2024-4 A | FORDF | Mortgage / Securitized | 0.20% | $195.33K |
| Gsmbs 2021-Pj7 A8 | GSMBS | Mortgage / Securitized | 0.19% | $183.59K |
| Jpmmt 2024-3 A4 | JPMMT | Mortgage / Securitized | 0.18% | $180.46K |
| Gsmbs 2021-Pj5 A8 | GSMBS | Mortgage / Securitized | 0.18% | $178.38K |
| Fhms K151 A3 | FHLMC | Mortgage / Securitized | 0.18% | $175.87K |
| Gcpaf 2021-1a B | GCPAF | Mortgage / Securitized | 0.18% | $173.86K |
| Fr Sc0457 | FHLMC | Mortgage / Securitized | 0.17% | $170.31K |
| Fr Sc0659 | FHLMC | Mortgage / Securitized | 0.17% | $169.31K |
| Vercor 8.5 08/15/30 144a | VERCOR | Corporate Bonds | 0.17% | $167.50K |
| Fn Bm7277 | FNMA | Mortgage / Securitized | 0.16% | $160.88K |
| Gsmbs 2022-Pj4 A22 | GSMBS | Mortgage / Securitized | 0.16% | $154.79K |
| Gsmbs 2022-Pj1 A8 | GSMBS | Mortgage / Securitized | 0.15% | $152.79K |
| Fn Bm7354 | FNMA | Mortgage / Securitized | 0.15% | $152.69K |
| Fr Sc0592 | FHLMC | Mortgage / Securitized | 0.15% | $151.88K |
| Bank5 2025-5yr18 A3 | BANK5 | Mortgage / Securitized | 0.15% | $145.12K |
| Fn Fs6264 | FNMA | Mortgage / Securitized | 0.14% | $139.66K |
| Fn Fa1222 | FNMA | Mortgage / Securitized | 0.14% | $136.41K |
| Fhms K109 A2 | FHLMC | Mortgage / Securitized | 0.14% | $135.59K |
| Fhms K752 A2 | FHMS | Mortgage / Securitized | 0.14% | $134.09K |
| Mmaf 2024-A A4 | MMAF | Mortgage / Securitized | 0.13% | $133.46K |
| Bmo 2024-5c7 A3 | BMO | Mortgage / Securitized | 0.13% | $127.53K |
| Jpsmt 2025-1 A4 | JPSMT | Mortgage / Securitized | 0.12% | $123.36K |
| Fhms K120 A2 | FHLMC | Mortgage / Securitized | 0.12% | $123.23K |
| Prog 2024-Sfr3 A | PROG | Mortgage / Securitized | 0.12% | $122.91K |
| Fn Ma4454 | FNMA | Mortgage / Securitized | 0.12% | $119.40K |
| Gnr 2020-75 Io | GNR | Mortgage / Securitized | 0.12% | $118.45K |
| Fr Rb5107 | FHLMC | Mortgage / Securitized | 0.12% | $114.20K |
| Fhms K104 A2 | FHLMC | Mortgage / Securitized | 0.11% | $109.36K |
| Fn Ma4176 | FNMA | Mortgage / Securitized | 0.11% | $106.57K |
| Gsmbs 2021-Pj6 A8 | GSMBS | Mortgage / Securitized | 0.10% | $104.07K |
| Cgcmt 2026-Mfam1 A3 | CGCMT | Mortgage / Securitized | 0.10% | $102.35K |
| Jpmmt 2021-7 A4 | JPMMT | Mortgage / Securitized | 0.10% | $102.19K |
| Fn Ma4334 | FNMA | Mortgage / Securitized | 0.10% | $101.71K |
| Bbcms 2025-5c36 A3 | BBCMS | Mortgage / Securitized | 0.10% | $101.46K |
| Lpath 2026-1a A2 | LPATH | Mortgage / Securitized | 0.10% | $101.03K |
| Ezee 2026-1a C | EZEE | Mortgage / Securitized | 0.10% | $100.92K |
MSTBX Sector Allocation
Morningstar Defensive Bond Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Funds & ETFs | 65.1% | 8 |
| Mortgage / Securitized | 21.2% | 157 |
| Government Bonds | 9.7% | 7 |
| Corporate Bonds | 2.9% | 14 |
| Equity — Other | 0.9% | 1 |
| Real Estate | 0.2% | 1 |
| Municipal Bonds | 0.1% | 1 |
| Communication Services | 0.0% | 1 |
| Unknown | 0.0% | 1 |
MSTBX Country Allocation
Where Morningstar Defensive Bond Fund's holdings are domiciled, by percentage of net assets (largest 2).
| Country | % of net assets |
|---|---|
| United States | 121.5% |
| Cayman Islands | 1.4% |
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 | 54.4% |
| Cash & Equivalents | 27.0% |
| Securitized | 26.4% |
| Fixed Income | 15.1% |
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 | 5.61% |
| United States of America - Bureau of the Public Debt | 2.50% |
| United States of America - Bureau of the Public Debt | 1.13% |
| United States of America - Bureau of the Public Debt | 1.10% |
| United States of America - Bureau of the Public Debt | 0.69% |
| United States of America - Bureau of the Public Debt | 0.49% |
| Blue Owl Credit Income Corp. | 0.49% |
| Midcap Financial Issuer Trust | 0.46% |
| Virginia Power Fuel Securitization LLC | 0.43% |
| Sce Recovery Funding LLC | 0.35% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.