BRSSX
MFS Blended Research Small 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.

Oil & Gas Field Machinery & Equipment 2.56%
Services-Educational Services 2.50%
Pumps & Pumping Equipment 1.63%
Engines & Turbines 1.47%
Water, Sewer, Pipeline, Comm & Power Line Construction 1.45%
Farm Machinery & Equipment 1.40%
Aircraft Parts & Auxiliary Equipment, NEC 0.99%
Construction - Special Trade Contractors 0.92%
Transportation Services 0.72%
Trucking (No Local) 0.69%
General Bldg Contractors - Nonresidential Bldgs 0.64%
Cutlery, Handtools & General Hardware 0.55%
General Industrial Machinery & Equipment, NEC 0.50%
Special Industry Machinery (No Metalworking Machinery) 0.46%
Guided Missiles & Space Vehicles & Parts 0.37%
Heavy Construction Other Than Bldg Const - Contractors 0.36%
Wholesale-Lumber, Plywood, Millwork & Wood Panels 0.29%
Wholesale-Petroleum & Petroleum Products (No Bulk Stations) 0.27%
Aircraft Engines & Engine Parts 0.24%
Wholesale-Computers & Peripheral Equipment & Software 0.16%
Wholesale-Professional & Commercial Equipment & Supplies 0.09%
Aircraft 0.08%
Services-Prepackaged Software 4.71%
Semiconductors & Related Devices 4.01%
Electronic Components, NEC 2.02%
Services-Computer Processing & Data Preparation 1.40%
Electrical Industrial Apparatus 1.32%
Printed Circuit Boards 1.18%
Computer Peripheral Equipment, NEC 0.95%
Services-Computer Integrated Systems Design 0.92%
Telephone & Telegraph Apparatus 0.40%
Laboratory Analytical Instruments 0.39%
Electronic Connectors 0.30%
Office Machines, NEC 0.11%
Pharmaceutical Preparations 8.24%
Biological Products, (No Diagnostic Substances) 2.23%
Dental Equipment & Supplies 1.66%
Surgical & Medical Instruments & Apparatus 1.49%
Services-Health Services 0.61%
Electromedical & Electrotherapeutic Apparatus 0.32%
Services-Offices & Clinics of Doctors of Medicine 0.31%
Services-Medical Laboratories 0.31%
In Vitro & In Vivo Diagnostic Substances 0.23%
State Commercial Banks 5.54%
National Commercial Banks 2.64%
Fire, Marine & Casualty Insurance 1.90%
Personal Credit Institutions 1.26%
Life Insurance 1.10%
Investment Advice 0.46%
Finance Services 0.17%
Miscellaneous Chemical Products 1.64%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 1.58%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 1.01%
Plastics Products, NEC 0.98%
Gold and Silver Ores 0.78%
Paper Mills 0.74%
Tires & Inner Tubes 0.38%
Industrial Organic Chemicals 0.18%
Motor Vehicle Parts & Accessories 2.17%
Services-Business Services, NEC 1.55%
Services-To Dwellings & Other Buildings 1.11%
Services-Miscellaneous Amusement & Recreation 0.64%
Services-Equipment Rental & Leasing, NEC 0.48%
Retail-Retail Stores, NEC 0.38%
Retail-Catalog & Mail-Order Houses 0.14%
Retail-Shoe Stores 0.13%
Services-Advertising 0.04%
Real Estate Investment Trusts 3.62%
Opeators of Nonresidential Buildings 1.09%
Real Estate 0.28%
Electric Services 1.63%
Natural Gas Transmisison & Distribution 1.39%
Natural Gas Distribution 0.34%
Gas & Other Services Combined 0.19%
Oil & Gas Field Services, NEC 1.34%
Crude Petroleum & Natural Gas 0.92%
Communications Services, NEC 1.59%
Commercial Printing 0.23%
Telephone Communications (No Radiotelephone) 0.05%
Food and Kindred Products 0.60%
Unclassified 8.28%

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