ETF · holdings as filed 2026-04-30
What's inside MBDIX?
MFS Corporate Bond Fund
- Holdings
- 429
- positions in the fund
- Top 10
- 8%
- of fund assets
- Expense ratio
- 0.51%
- net, per year
- Fund size
- $4B
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | ? | —MFS Institutional Money Market Portfolio | 1.78% | |
| 2 | U  | UBS V3.126 08.13.30 144AUBS GROUP AG | 0.78% | |
| 3 | J  | JPM V2.545 11.08.32JPMORGAN CHASE & CO | 0.76% | |
| 4 | B  | BA 5.805 05.01.50BOEING CO | 0.75% | |
| 5 | S  | SCHW V4.914 11.14.36CHARLES SCHWAB CORP | 0.62% | |
| 6 | B  | BERMUD 5 07.15.32 144AGOVT OF BERMUDA | 0.59% | |
| 7 | M  | MS V5.073 01.30.37MORGAN STANLEY | 0.58% | |
| 8 | S  | SUMIBK 1.71 01.12.31SUMITOMO MITSUI FINL GRP | 0.58% | |
| 9 | U  | UBS V5.58 05.09.36 144AUBS GROUP AG | 0.54% | |
| 10 | C  | CABKSM V6.84 09.13.34 144ACAIXABANK SA | 0.54% | |
| 11 | A  | AMH 5.25 03.15.35AMERICAN HOMES 4 RENT | 0.51% | |
| 12 | A  | AIB V6.608 09.13.29 144AAIB GROUP PLC | 0.51% | |
| 13 | S  | SR 4.6 09.01.31SPIRE INC | 0.50% | |
| 14 | N  | NXPI 5.25 08.19.35NXP BV/NXP FDG/NXP USA | 0.50% | |
| 15 | M  | MARS 5 03.01.32 144AMARS INC | 0.46% | |
| 16 | B  | BACARD 5.4 06.15.33 144ABACARDI LTD / MARTINI BV | 0.46% | |
| 17 | E  | EFNCN 6.319 12.04.28 144AELEMENT FLEET MANAGEMENT | 0.46% | |
| 18 | H  | HAPOAL 4.722 07.14.29BANK HAPOALIM | 0.46% | |
| 19 | J  | JPM V4.946 10.22.35JPMORGAN CHASE & CO | 0.45% | |
| 20 | N  | NAB V3.347 01.12.37 144ANATIONAL AUSTRALIA BANK | 0.45% |
Top holdings — Bonds & Fixed Income
Your 10 largest positions in this sector
1
U
UBS V3.126 08.13.30 144AUBS GROUP AG
0.78%2
J
JPM V2.545 11.08.32JPMORGAN CHASE & CO
0.76%3
B
BA 5.805 05.01.50BOEING CO
0.75%4
S
SCHW V4.914 11.14.36CHARLES SCHWAB CORP
0.62%5
B
BERMUD 5 07.15.32 144AGOVT OF BERMUDA
0.59%6
M
MS V5.073 01.30.37MORGAN STANLEY
0.58%7
S
SUMIBK 1.71 01.12.31SUMITOMO MITSUI FINL GRP
0.58%8
U
UBS V5.58 05.09.36 144AUBS GROUP AG
0.54%9
C
CABKSM V6.84 09.13.34 144ACAIXABANK SA
0.54%10
A
AMH 5.25 03.15.35AMERICAN HOMES 4 RENT
0.51%Top holdings — United States
Your 10 largest positions in this country
1
U
UBS V3.126 08.13.30 144AUBS GROUP AG
0.78%2
J
JPM V2.545 11.08.32JPMORGAN CHASE & CO
0.76%3
B
BA 5.805 05.01.50BOEING CO
0.75%4
S
SCHW V4.914 11.14.36CHARLES SCHWAB CORP
0.62%5
B
BERMUD 5 07.15.32 144AGOVT OF BERMUDA
0.59%6
M
MS V5.073 01.30.37MORGAN STANLEY
0.58%7
S
SUMIBK 1.71 01.12.31SUMITOMO MITSUI FINL GRP
0.58%8
U
UBS V5.58 05.09.36 144AUBS GROUP AG
0.54%9
C
CABKSM V6.84 09.13.34 144ACAIXABANK SA
0.54%10
A
AMH 5.25 03.15.35AMERICAN HOMES 4 RENT
0.51%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 2026-04-30); 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.