FundWatcher
MIRTX
Massachusetts Investors Trust
MASSACHUSETTS INVESTORS TRUST

Allocation breakdown

As of March 31, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of March 31, 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.

Semiconductors & Related Devices 9.86%
Services-Prepackaged Software 8.54%
Services-Computer Programming, Data Processing, Etc. 8.51%
Electronic Computers 6.41%
Electronic & Other Electrical Equipment (No Computer Equip) 2.18%
Optical Instruments & Lenses 1.37%
Measuring & Controlling Devices, NEC 1.36%
Electronic Connectors 1.20%
Computer Storage Devices 1.19%
Computer Communications Equipment 1.07%
Electronic Components & Accessories 0.90%
Services-Computer Programming Services 0.59%
Laboratory Analytical Instruments 0.49%
Services-Computer Processing & Data Preparation 0.37%
Retail-Catalog & Mail-Order Houses 4.59%
Services-Business Services, NEC 3.50%
Retail-Variety Stores 1.38%
Services-Detective, Guard & Armored Car Services 1.09%
Retail-Family Clothing Stores 1.06%
Retail-Eating Places 1.03%
Services-Consumer Credit Reporting, Collection Agencies 0.91%
Industrial Instruments For Measurement, Display, and Control 0.84%
Instruments For Meas & Testing of Electricity & Elec Signals 0.54%
National Commercial Banks 3.12%
Security & Commodity Brokers, Dealers, Exchanges & Services 2.27%
Insurance Agents, Brokers & Service 2.02%
Security Brokers, Dealers & Flotation Companies 1.81%
Fire, Marine & Casualty Insurance 1.67%
Hospital & Medical Service Plans 1.11%
Investment Advice 0.64%
Special Industry Machinery, NEC 1.91%
Aircraft Engines & Engine Parts 1.76%
Misc Industrial & Commercial Machinery & Equipment 1.27%
Wholesale-Electronic Parts & Equipment, NEC 1.04%
Industrial Inorganic Chemicals 1.64%
Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics 1.52%
Perfumes, Cosmetics & Other Toilet Preparations 1.24%
Rolling Drawing & Extruding of Nonferrous Metals 1.23%
Pharmaceutical Preparations 2.41%
Electromedical & Electrotherapeutic Apparatus 1.41%
Surgical & Medical Instruments & Apparatus 1.13%
Biological Products, (No Diagnostic Substances) 0.47%
Electric & Other Services Combined 2.71%
Refuse Systems 1.01%
Electric Services 0.86%
Petroleum Refining 3.75%
Beverages 0.54%
— Unclassified 2.48%

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