ETF · holdings as filed 2026-03-31
What's inside MBCAX?
MFS California Municipal Bond Fund
- Holdings
- 435
- positions in the fund
- Top 10
- 12%
- of fund assets
- Expense ratio
- 1.40%
- net, per year
- Fund size
- $788M
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | ? | —MFS Institutional Money Market Portfolio | 4.16% | |
| 2 | C  | CA CCEDEV 08.01.2055CA CMNTY CHOICE FIN-C | 1.17% | |
| 3 | C  | CA CCEDEV 10.01.2056CA CMNTY CHOICE FIN-E | 1.01% | |
| 4 | C  | CA LOSMFH 4.5 12.01.2059LOS ANGELES HSG-A | 0.99% | |
| 5 | C  | CA CASMED 5.25 06.01.2055SOUTHERN MONO-COPS | 0.99% | |
| 6 | C  | CA OAKSCD 5.25 08.01.2048OAKLAND UNIF SCH D-A | 0.92% | |
| 7 | C  | CA INWGEN 5.25 08.01.2050INGLEWOOD JT PWR AUTH | 0.79% | |
| 8 | C  | CA CASMFH 4.25 05.01.2043CA HSG FIN AGY-A | 0.74% | |
| 9 | C  | CA CASMED 5 12.01.2054CA HLTH FACS FING A-A | 0.72% | |
| 10 | C  | CA CCEDEV 01.01.2056CA CMNTY CHOICE FIN-H | 0.68% | |
| 11 | C  | CA SFOAPT 5.75 05.01.2048SAN FRANCISCO-C-REF | 0.67% | |
| 12 | C  | CA SFOHGR 5.25 06.15.2049SAN FRANCISCO CMNTY-B | 0.67% | |
| 13 | C  | CA OAK 5.5 07.15.2053OAKLAND-D | 0.66% | |
| 14 | C  | CA CCEDEV 01.01.2054CA CMNTY CHOICE FING | 0.66% | |
| 15 | C  | CA CCEDEV 12.01.2053CALIFORNIA CMNTY CHOI | 0.66% | |
| 16 | C  | CA IRVGEN 5 09.01.2050IRVINE CMNTY FACS DT | 0.66% | |
| 17 | C  | CA SDGAPT 5.25 07.01.2050SAN DIEGO CO REGL-B | 0.65% | |
| 18 | C  | CA SLOFIN 5 12.01.2053SAN LUIS OBISPO PUB F | 0.65% | |
| 19 | C  | CA CASMED 5 08.15.2051CA HLTH FACS FING -A | 0.65% | |
| 20 | P  | PR PRCGEN 5 07.01.2058PR SALES TAX FING-A1 | 0.64% |
Top holdings — Bonds & Fixed Income
Your 10 largest positions in this sector
1
C
CA CCEDEV 08.01.2055CA CMNTY CHOICE FIN-C
1.17%2
C
CA CCEDEV 10.01.2056CA CMNTY CHOICE FIN-E
1.01%3
C
CA LOSMFH 4.5 12.01.2059LOS ANGELES HSG-A
0.99%4
C
CA CASMED 5.25 06.01.2055SOUTHERN MONO-COPS
0.99%5
C
CA OAKSCD 5.25 08.01.2048OAKLAND UNIF SCH D-A
0.92%6
C
CA INWGEN 5.25 08.01.2050INGLEWOOD JT PWR AUTH
0.79%7
C
CA CASMFH 4.25 05.01.2043CA HSG FIN AGY-A
0.74%8
C
CA CASMED 5 12.01.2054CA HLTH FACS FING A-A
0.72%9
C
CA CCEDEV 01.01.2056CA CMNTY CHOICE FIN-H
0.68%10
C
CA SFOAPT 5.75 05.01.2048SAN FRANCISCO-C-REF
0.67%Top holdings — United States
Your 10 largest positions in this country
1
C
CA CCEDEV 08.01.2055CA CMNTY CHOICE FIN-C
1.17%2
C
CA CCEDEV 10.01.2056CA CMNTY CHOICE FIN-E
1.01%3
C
CA LOSMFH 4.5 12.01.2059LOS ANGELES HSG-A
0.99%4
C
CA CASMED 5.25 06.01.2055SOUTHERN MONO-COPS
0.99%5
C
CA OAKSCD 5.25 08.01.2048OAKLAND UNIF SCH D-A
0.92%6
C
CA INWGEN 5.25 08.01.2050INGLEWOOD JT PWR AUTH
0.79%7
C
CA CASMFH 4.25 05.01.2043CA HSG FIN AGY-A
0.74%8
C
CA CASMED 5 12.01.2054CA HLTH FACS FING A-A
0.72%9
C
CA CCEDEV 01.01.2056CA CMNTY CHOICE FIN-H
0.68%10
C
CA SFOAPT 5.75 05.01.2048SAN FRANCISCO-C-REF
0.67%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.