MEFZX
MassMutual Mid Cap Growth Fund
MASSMUTUAL SELECT FUNDS

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.

Services-Business Services, NEC 3.33%
Hotels & Motels 2.46%
Retail-Eating Places 2.18%
Industrial Instruments For Measurement, Display, and Control 1.73%
Retail-Department Stores 1.69%
Instruments For Meas & Testing of Electricity & Elec Signals 1.59%
Services-Consumer Credit Reporting, Collection Agencies 1.24%
Retail-Variety Stores 1.06%
Services-To Dwellings & Other Buildings 0.99%
Services-Membership Sports & Recreation Clubs 0.98%
Services-Amusement & Recreation Services 0.89%
Retail-Family Clothing Stores 0.80%
Retail-Retail Stores, NEC 0.80%
Services-Miscellaneous Equipment Rental & Leasing 0.68%
Retail-Lumber & Other Building Materials Dealers 0.44%
Search, Detection, Navigation, Guidance, Aeronautical Sys 0.35%
Retail-Auto Dealers & Gasoline Stations 0.30%
Retail-Building Materials, Hardware, Garden Supply 0.23%
Retail-Eating & Drinking Places 0.21%
Apparel & Other Finishd Prods of Fabrics & Similar Matl 0.17%
Services-Miscellaneous Amusement & Recreation 0.16%
Men's & Boys' Furnishgs, Work Clothg, & Allied Garments 0.15%
Semiconductors & Related Devices 7.93%
Services-Prepackaged Software 6.88%
Laboratory Analytical Instruments 3.69%
Services-Computer Processing & Data Preparation 0.86%
Services-Computer Programming, Data Processing, Etc. 0.43%
Services-Computer Programming Services 0.43%
Electronic Connectors 0.37%
Services-Computer Integrated Systems Design 0.26%
Computer Communications Equipment 0.24%
Printed Circuit Boards 0.24%
Electric Lighting & Wiring Equipment 0.21%
Optical Instruments & Lenses 0.17%
Electronic Components, NEC 0.16%
Radio & Tv Broadcasting & Communications Equipment 0.12%
Water Transportation 2.36%
Wholesale-Groceries & Related Products 1.91%
Wholesale-Drugs, Proprietaries & Druggists' Sundries 1.50%
Oil & Gas Field Machinery & Equipment 1.29%
Electrical Work 1.00%
General Industrial Machinery & Equipment, NEC 1.00%
Wholesale-Hardware & Plumbing & Heating Equipment & Supplies 1.00%
General Industrial Machinery & Equipment 0.86%
Services-Testing Laboratories 0.82%
Wholesale-Misc Durable Goods 0.78%
Aircraft & Parts 0.73%
Services-Management Consulting Services 0.72%
Trucking (No Local) 0.59%
Metal Cans 0.58%
Pumps & Pumping Equipment 0.55%
Aircraft Engines & Engine Parts 0.48%
Engines & Turbines 0.42%
Ball & Roller Bearings 0.41%
Services-Educational Services 0.32%
Construction - Special Trade Contractors 0.29%
Wholesale-Lumber & Other Construction Materials 0.24%
Guided Missiles & Space Vehicles & Parts 0.21%
Pharmaceutical Preparations 4.75%
Surgical & Medical Instruments & Apparatus 2.81%
Biological Products, (No Diagnostic Substances) 1.70%
Ophthalmic Goods 1.19%
Services-Medical Laboratories 0.95%
Services-Hospitals 0.48%
In Vitro & In Vivo Diagnostic Substances 0.38%
Orthopedic, Prosthetic & Surgical Appliances & Supplies 0.32%
X-Ray Apparatus & Tubes & Related Irradiation Apparatus 0.17%
Security & Commodity Brokers, Dealers, Exchanges & Services 1.57%
Insurance Carriers, NEC 1.12%
Security Brokers, Dealers & Flotation Companies 0.78%
Fire, Marine & Casualty Insurance 0.60%
Finance Services 0.40%
Insurance Agents, Brokers & Service 0.37%
Investment Advice 0.31%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 0.89%
Converted Paper & Paperboard Prods (No Contaners/Boxes) 0.77%
Footwear, (No Rubber) 0.53%
Rolling Drawing & Extruding of Nonferrous Metals 0.31%
Steel Pipe & Tubes 0.28%
Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics 0.24%
Plastics Products, NEC 0.20%
Chemicals & Allied Products 0.18%
Rubber & Plastics Footwear 0.18%
Natural Gas Distribution 1.16%
Natural Gas Transmission 0.43%
Electric Services 0.41%
Refuse Systems 0.16%
Newspapers: Publishing or Publishing & Printing 1.01%
Miscellaneous Publishing 0.14%
Crude Petroleum & Natural Gas 0.94%
Miscellaneous Food Preparations & Kindred Products 0.47%
Bottled & Canned Soft Drinks & Carbonated Waters 0.44%
Real Estate Investment Trusts 0.20%
Unclassified 10.68%

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