FundWatcher
MRBBX
MFS Total Return 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.

Federal & Federally-Sponsored Credit Agencies 1.16%
National Commercial Banks 0.90%
Security & Commodity Brokers, Dealers, Exchanges & Services 0.37%
Investment Advice 0.10%
Life Insurance 0.01%
Retail-Auto Dealers & Gasoline Stations 0.40%
Retail-Eating Places 0.23%
Services-Business Services, NEC 0.12%
Services-Amusement & Recreation Services 0.10%
Real Estate Investment Trusts 0.61%
Real Estate 0.13%
Wholesale-Groceries, General Line 0.24%
Services-Commercial Physical & Biological Research 0.17%
Wholesale-Electronic Parts & Equipment, NEC 0.14%
Pharmaceutical Preparations 0.36%
Electric Services 0.24%
Grain Mill Products 0.18%
Telephone & Telegraph Apparatus 0.18%
Crude Petroleum & Natural Gas 0.08%
— Unclassified 94.29%

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