FundWatcher
MBRRX
MFS Corporate Bond Fund
MFS Series Trust IX

Allocation breakdown

As of April 30, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of April 30, 2026 · N-PORT

How we map holdings to the sectors above: each holding's issuer carries a U.S. SIC industry code in its EDGAR filer record, and each SIC code rolls up to a sector. Expand a sector to see its industries, and click a SIC code to list this fund's positions in that industry. Bonds and foreign or private issuers with no SEC filer record fall into Unclassified.

Life Insurance 0.67%
National Commercial Banks 0.52%
Commodity Contracts Brokers & Dealers 0.51%
Investment Advice 0.44%
Commercial Banks, NEC 0.41%
State Commercial Banks 0.34%
Security Brokers, Dealers & Flotation Companies 0.33%
Security & Commodity Brokers, Dealers, Exchanges & Services 0.30%
Mortgage Bankers & Loan Correspondents 0.13%
Electric Services 1.48%
Electric & Other Services Combined 0.24%
Natural Gas Transmission 0.15%
Refuse Systems 0.10%
Services-Amusement & Recreation Services 0.45%
Services-Miscellaneous Equipment Rental & Leasing 0.25%
Dolls & Stuffed Toys 0.17%
Services-Personal Services 0.14%
Real Estate Investment Trusts 0.71%
Services-Management Consulting Services 0.26%
Railroad Equipment 0.20%
Water Transportation 0.16%
Petroleum Refining 0.38%
Food and Kindred Products 0.28%
Perfumes, Cosmetics & Other Toilet Preparations 0.22%
Pharmaceutical Preparations 0.12%
— Unclassified 91.04%

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.