BMSFX
MFS Blended Research Mid Cap Equity Fund
MFS Series Trust X

Allocation breakdown

As of February 28, 2026 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of February 28, 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.

Water Transportation 2.36%
Oil & Gas Field Machinery & Equipment 2.00%
Engines & Turbines 1.99%
Services-Commercial Physical & Biological Research 1.86%
Railroad Equipment 1.73%
Farm Machinery & Equipment 1.58%
Misc Industrial & Commercial Machinery & Equipment 1.38%
Wholesale-Drugs, Proprietaries & Druggists' Sundries 1.34%
Air Transportation, Scheduled 1.33%
Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures 1.18%
Aircraft & Parts 1.05%
Wholesale-Hardware & Plumbing & Heating Equipment & Supplies 0.83%
Wholesale-Groceries & Related Products 0.78%
Heavy Construction Other Than Bldg Const - Contractors 0.72%
Special Industry Machinery (No Metalworking Machinery) 0.70%
Pumps & Pumping Equipment 0.52%
Construction Machinery & Equip 0.36%
Water, Sewer, Pipeline, Comm & Power Line Construction 0.35%
General Bldg Contractors - Nonresidential Bldgs 0.30%
Miscellaneous Transportation Equipment 0.28%
Services-Educational Services 0.20%
Cutlery, Handtools & General Hardware 0.19%
General Industrial Machinery & Equipment 0.09%
Sawmills & Planting Mills, General 0.06%
Miscellaneous Fabricated Metal Products 0.06%
Services-Prepackaged Software 5.24%
Services-Computer Integrated Systems Design 1.86%
Semiconductors & Related Devices 1.68%
Printed Circuit Boards 1.35%
Services-Computer Processing & Data Preparation 1.18%
Telephone & Telegraph Apparatus 1.17%
Laboratory Analytical Instruments 0.87%
Computer Storage Devices 0.83%
Electronic Connectors 0.35%
Electronic Components, NEC 0.18%
Services-Computer Programming Services 0.17%
Measuring & Controlling Devices, NEC 0.08%
State Commercial Banks 4.18%
Fire, Marine & Casualty Insurance 1.75%
Investment Advice 1.63%
Life Insurance 1.50%
Finance Services 1.21%
Insurance Agents, Brokers & Service 1.14%
Hospital & Medical Service Plans 1.04%
Security Brokers, Dealers & Flotation Companies 0.69%
National Commercial Banks 0.40%
Insurance Carriers, NEC 0.07%
Retail-Eating Places 1.93%
Motor Vehicle Parts & Accessories 1.67%
Retail-Variety Stores 1.52%
Carpets & Rugs 1.23%
Services-Amusement & Recreation Services 1.23%
Services-Business Services, NEC 1.07%
Services-Advertising Agencies 0.98%
Retail-Lumber & Other Building Materials Dealers 0.80%
Industrial Instruments For Measurement, Display, and Control 0.67%
Retail-Grocery Stores 0.55%
Services-Detective, Guard & Armored Car Services 0.34%
Retail-Retail Stores, NEC 0.30%
Instruments For Meas & Testing of Electricity & Elec Signals 0.25%
Motor Vehicles & Passenger Car Bodies 0.15%
Retail-Catalog & Mail-Order Houses 0.14%
Electric Services 3.86%
Electric & Other Services Combined 1.83%
Natural Gas Distribution 1.15%
Cogeneration Services & Small Power Producers 0.78%
Real Estate Investment Trusts 4.27%
Real Estate Agents & Managers (For Others) 0.78%
Real Estate 0.45%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 2.21%
Paints, Varnishes, Lacquers, Enamels & Allied Prods 1.08%
Gold and Silver Ores 0.54%
Plastics Products, NEC 0.53%
Leather & Leather Products 0.32%
Secondary Smelting & Refining of Nonferrous Metals 0.30%
Paper Mills 0.21%
Footwear, (No Rubber) 0.13%
Industrial Organic Chemicals 0.08%
Biological Products, (No Diagnostic Substances) 1.41%
Dental Equipment & Supplies 1.40%
Services-General Medical & Surgical Hospitals, NEC 0.99%
Surgical & Medical Instruments & Apparatus 0.47%
Orthopedic, Prosthetic & Surgical Appliances & Supplies 0.37%
Pharmaceutical Preparations 0.29%
Petroleum Refining 3.76%
Crude Petroleum & Natural Gas 0.25%
Grain Mill Products 1.04%
Cable & Other Pay Television Services 0.24%
Radiotelephone Communications 0.09%
Unclassified 6.57%

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