ETF · holdings as filed 2026-03-31
What's inside MBABX?
MFS Alabama Municipal Bond Fund
- Holdings
- 156
- positions in the fund
- Top 10
- 16%
- of fund assets
- Expense ratio
- 1.65%
- net, per year
- Fund size
- $71M
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | ? | —MFS Institutional Money Market Portfolio | 2.32% | |
| 2 | A  | AL AUBHGR 5 06.01.2048AUBURN UNIV GEN FEE | 2.17% | |
| 3 | A  | AL BALFAC 4.38 03.01.2046BALDWIN CO PUB BLDG | 1.71% | |
| 4 | A  | AL IROFAC 5 10.01.2044IRONDALE PUB BLDG | 1.51% | |
| 5 | A  | AL JEFUTL 5.5 10.01.2053JEFFERSON CO-REF | 1.49% | |
| 6 | A  | AL OXF 5 07.01.2052OXFORD -A -WARRANTS | 1.45% | |
| 7 | A  | AL ALSTRN 5 10.01.2035ALABAMA ST PORT AUTH | 1.45% | |
| 8 | K  | KY KYSPWR 08.01.2052KY PUB ENERGY -A-1 | 1.45% | |
| 9 | A  | AL CHEEDU 5 12.01.2048CHEROKEE BOE SPL TAX | 1.45% | |
| 10 | A  | AL PELMED 4 12.01.2038PELL CO AL SPL CARE-A | 1.42% | |
| 11 | A  | AL MOBSCD 4 03.01.2039MOBILE CNTY BRD OF SC | 1.42% | |
| 12 | A  | AL ALSMFH 4.45 08.01.2045AL HSG FIN AUTH-B | 1.40% | |
| 13 | A  | AL LAWEDU 4 02.01.2042LAWRENCE CO BOE | 1.37% | |
| 14 | A  | AL MOBSCD 4.12 03.01.2047MOBILE CNTY SCH BRD-B | 1.35% | |
| 15 | A  | AL INFMED 4 02.01.2040INFIRMARY HLTH SYS-A | 1.35% | |
| 16 | A  | AL DCHMED 4 06.01.2046DCH HLTH CARE -A-REV | 1.32% | |
| 17 | A  | AL HLTMED 5 11.15.2037BAPTIST HLTH -REV -A | 1.31% | |
| 18 | A  | AL ORAWTR 4 05.15.2047ORANGE BEACH WTR SWR | 1.29% | |
| 19 | A  | AL ACCHGR 4 01.01.2049ALABAMA CMNTY CLG SYS | 1.24% | |
| 20 | A  | AL ARA 3 12.01.2046ARAB -A -REF | 1.18% |
Top holdings — Bonds & Fixed Income
Your 10 largest positions in this sector
1
A
AL AUBHGR 5 06.01.2048AUBURN UNIV GEN FEE
2.17%2
A
AL BALFAC 4.38 03.01.2046BALDWIN CO PUB BLDG
1.71%3
A
AL IROFAC 5 10.01.2044IRONDALE PUB BLDG
1.51%4
A
AL JEFUTL 5.5 10.01.2053JEFFERSON CO-REF
1.49%5
A
AL OXF 5 07.01.2052OXFORD -A -WARRANTS
1.45%6
A
AL ALSTRN 5 10.01.2035ALABAMA ST PORT AUTH
1.45%7
K
KY KYSPWR 08.01.2052KY PUB ENERGY -A-1
1.45%8
A
AL CHEEDU 5 12.01.2048CHEROKEE BOE SPL TAX
1.45%9
A
AL PELMED 4 12.01.2038PELL CO AL SPL CARE-A
1.42%10
A
AL MOBSCD 4 03.01.2039MOBILE CNTY BRD OF SC
1.42%Top holdings — United States
Your 10 largest positions in this country
1
A
AL AUBHGR 5 06.01.2048AUBURN UNIV GEN FEE
2.17%2
A
AL BALFAC 4.38 03.01.2046BALDWIN CO PUB BLDG
1.71%3
A
AL IROFAC 5 10.01.2044IRONDALE PUB BLDG
1.51%4
A
AL JEFUTL 5.5 10.01.2053JEFFERSON CO-REF
1.49%5
A
AL OXF 5 07.01.2052OXFORD -A -WARRANTS
1.45%6
A
AL ALSTRN 5 10.01.2035ALABAMA ST PORT AUTH
1.45%7
K
KY KYSPWR 08.01.2052KY PUB ENERGY -A-1
1.45%8
A
AL CHEEDU 5 12.01.2048CHEROKEE BOE SPL TAX
1.45%9
A
AL PELMED 4 12.01.2038PELL CO AL SPL CARE-A
1.42%10
A
AL MOBSCD 4 03.01.2039MOBILE CNTY BRD OF SC
1.42%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
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Data source: official SEC Form N-PORT filings (as of 2026-03-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.