MCPRX
MFS Mid Cap Growth Fund
MFS SERIES TRUST IV

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.

Services-Prepackaged Software 9.64%
Semiconductors & Related Devices 3.55%
Laboratory Analytical Instruments 3.09%
Measuring & Controlling Devices, NEC 1.16%
Optical Instruments & Lenses 1.01%
Electrical Industrial Apparatus 0.98%
Electronic Components, NEC 0.96%
Telephone & Telegraph Apparatus 0.89%
Electronic Components & Accessories 0.89%
Computer Storage Devices 0.80%
Printed Circuit Boards 0.74%
Services-Computer Programming, Data Processing, Etc. 0.48%
Motors & Generators 0.41%
Services-Amusement & Recreation Services 4.86%
Retail-Eating Places 2.67%
Retail-Department Stores 1.76%
Hotels & Motels 1.42%
Retail-Auto Dealers & Gasoline Stations 1.37%
Retail-Catalog & Mail-Order Houses 0.85%
Services-Miscellaneous Amusement & Recreation 0.85%
Industrial Instruments For Measurement, Display, and Control 0.79%
Services-Consumer Credit Reporting, Collection Agencies 0.71%
Apparel & Other Finishd Prods of Fabrics & Similar Matl 0.55%
Retail-Lumber & Other Building Materials Dealers 0.31%
Retail-Building Materials, Hardware, Garden Supply 0.23%
Services-Business Services, NEC 0.22%
Motor Vehicle Parts & Accessories 0.20%
Electrical Work 3.88%
Water Transportation 3.44%
Ordnance & Accessories, (No Vehicles/Guided Missiles) 1.88%
Misc Industrial & Commercial Machinery & Equipment 1.24%
Engines & Turbines 1.03%
Ball & Roller Bearings 0.77%
Wholesale-Groceries, General Line 0.76%
Services-Commercial Physical & Biological Research 0.56%
Ship & Boat Building & Repairing 0.47%
Wholesale-Machinery, Equipment & Supplies 0.45%
Metalworkg Machinery & Equipment 0.35%
General Industrial Machinery & Equipment, NEC 0.35%
General Industrial Machinery & Equipment 0.34%
Industrial & Commercial Fans & Blowers & Air Purifing Equip 0.30%
Wholesale-Hardware & Plumbing & Heating Equipment & Supplies 0.29%
Oil & Gas Field Machinery & Equipment 0.27%
Construction - Special Trade Contractors 0.21%
Pharmaceutical Preparations 2.97%
Services-Medical Laboratories 2.14%
Electromedical & Electrotherapeutic Apparatus 2.09%
Biological Products, (No Diagnostic Substances) 1.58%
Surgical & Medical Instruments & Apparatus 1.19%
Rolling Drawing & Extruding of Nonferrous Metals 4.38%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 1.64%
Miscellaneous Metal Ores 1.46%
Leather & Leather Products 1.25%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 1.00%
Gold and Silver Ores 0.11%
Primary Production of Aluminum 0.10%
Security & Commodity Brokers, Dealers, Exchanges & Services 3.61%
Investment Advice 1.90%
State Commercial Banks 0.46%
Security Brokers, Dealers & Flotation Companies 0.40%
Electric Services 2.04%
Natural Gas Distribution 1.99%
Refuse Systems 0.86%
Natural Gas Transmission 0.25%
Real Estate 1.72%
Crude Petroleum & Natural Gas 1.56%
Bottled & Canned Soft Drinks & Carbonated Waters 0.82%
Radio Broadcasting Stations 0.49%
Unclassified 6.01%

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