MMBUX
MassMutual Select T. Rowe Price Small and Mid Cap Blend Fund
MASSMUTUAL SELECT FUNDS

Allocation breakdown

As of June 30, 2025 · N-PORT

By asset class

By country

By sector

By industry (SIC code)

As of June 30, 2025 · 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 7.14%
Semiconductors & Related Devices 2.81%
Laboratory Analytical Instruments 1.45%
Services-Computer Processing & Data Preparation 1.25%
Services-Computer Programming, Data Processing, Etc. 0.67%
Services-Computer Integrated Systems Design 0.59%
Services-Computer Programming Services 0.47%
Measuring & Controlling Devices, NEC 0.43%
Computer Storage Devices 0.41%
Electronic Connectors 0.29%
Electronic Components & Accessories 0.23%
Calculating & Accounting Machines (No Electronic Computers) 0.19%
Miscellaneous Electrical Machinery, Equipment & Supplies 0.15%
Communications Equipment, NEC 0.10%
Printed Circuit Boards 0.09%
Office Machines, NEC 0.02%
Electric Lighting & Wiring Equipment 0.01%
Electronic Coils, Transformers & Other Inductors 0.01%
Oil & Gas Field Machinery & Equipment 1.41%
General Industrial Machinery & Equipment, NEC 1.06%
General Industrial Machinery & Equipment 0.81%
Pumps & Pumping Equipment 0.77%
Trucking (No Local) 0.64%
Aircraft & Parts 0.63%
Water Transportation 0.63%
Ball & Roller Bearings 0.58%
Wholesale-Professional & Commercial Equipment & Supplies 0.58%
Wholesale-Groceries & Related Products 0.44%
Aircraft Engines & Engine Parts 0.42%
Railroads, Line-Haul Operating 0.41%
Refrigeration & Service Industry Machinery 0.36%
Metal Cans 0.35%
Engines & Turbines 0.35%
Air Transportation, Scheduled 0.34%
Lumber & Wood Products (No Furniture) 0.29%
Wholesale-Hardware & Plumbing & Heating Equipment & Supplies 0.29%
Transportation Services 0.26%
Wholesale-Electronic Parts & Equipment, NEC 0.26%
Services-Engineering Services 0.26%
Services-Management Services 0.26%
Farm Machinery & Equipment 0.25%
Services-Management Consulting Services 0.23%
Aircraft Parts & Auxiliary Equipment, NEC 0.21%
General Bldg Contractors - Residential Bldgs 0.20%
Services-Testing Laboratories 0.17%
Electrical Work 0.16%
Services-Educational Services 0.15%
Services-Child Day Care Services 0.15%
Fabricated Structural Metal Products 0.14%
Coating, Engraving & Allied Services 0.14%
Pipe Lines (No Natural Gas) 0.13%
Miscellaneous Fabricated Metal Products 0.12%
Miscellaneous Transportation Equipment 0.11%
Sawmills & Planting Mills, General 0.10%
Construction - Special Trade Contractors 0.09%
Guided Missiles & Space Vehicles & Parts 0.07%
Cutlery, Handtools & General Hardware 0.06%
Misc Industrial & Commercial Machinery & Equipment 0.06%
Wholesale-Lumber & Other Construction Materials 0.06%
Operative Builders 0.05%
Metalworkg Machinery & Equipment 0.05%
Aircraft 0.04%
Water, Sewer, Pipeline, Comm & Power Line Construction 0.03%
Construction Machinery & Equip 0.03%
Wholesale-Misc Durable Goods 0.02%
Services-Business Services, NEC 2.17%
Industrial Instruments For Measurement, Display, and Control 1.86%
Retail-Eating Places 1.33%
Search, Detection, Navigation, Guidance, Aeronautical Sys 0.87%
Services-To Dwellings & Other Buildings 0.86%
Hotels & Motels 0.61%
Services-Membership Sports & Recreation Clubs 0.58%
Services-Consumer Credit Reporting, Collection Agencies 0.50%
Retail-Department Stores 0.46%
Services-Miscellaneous Amusement & Recreation 0.46%
Retail-Variety Stores 0.43%
Retail-Family Clothing Stores 0.43%
Retail-Auto & Home Supply Stores 0.36%
Retail-Auto Dealers & Gasoline Stations 0.35%
Retail-Retail Stores, NEC 0.28%
Men's & Boys' Furnishgs, Work Clothg, & Allied Garments 0.27%
Motor Vehicle Parts & Accessories 0.26%
Retail-Catalog & Mail-Order Houses 0.22%
Apparel & Other Finishd Prods of Fabrics & Similar Matl 0.21%
Retail-Lumber & Other Building Materials Dealers 0.21%
Instruments For Meas & Testing of Electricity & Elec Signals 0.18%
Sporting & Athletic Goods, NEC 0.14%
Retail-Eating & Drinking Places 0.13%
Services-Amusement & Recreation Services 0.11%
Services-Equipment Rental & Leasing, NEC 0.10%
Motor Vehicles & Passenger Car Bodies 0.09%
Retail-Miscellaneous Retail 0.09%
Retail-Grocery Stores 0.06%
Services-Miscellaneous Equipment Rental & Leasing 0.05%
Retail-Women's Clothing Stores 0.04%
Retail-Shoe Stores 0.04%
Miscellaneous Manufacturing Industries 0.03%
State Commercial Banks 2.43%
Fire, Marine & Casualty Insurance 1.75%
Investment Advice 1.30%
National Commercial Banks 1.22%
Security Brokers, Dealers & Flotation Companies 0.67%
Insurance Carriers, NEC 0.66%
Security & Commodity Brokers, Dealers, Exchanges & Services 0.63%
Life Insurance 0.61%
Hospital & Medical Service Plans 0.59%
Insurance Agents, Brokers & Service 0.55%
Mortgage Bankers & Loan Correspondents 0.38%
Savings Institution, Federally Chartered 0.24%
Personal Credit Institutions 0.17%
Investors, NEC 0.14%
Finance Services 0.12%
Short-Term Business Credit Institutions 0.08%
Oil Royalty Traders 0.06%
Savings Institutions, Not Federally Chartered 0.04%
Pharmaceutical Preparations 3.96%
Biological Products, (No Diagnostic Substances) 2.24%
Surgical & Medical Instruments & Apparatus 1.06%
Orthopedic, Prosthetic & Surgical Appliances & Supplies 0.87%
Ophthalmic Goods 0.78%
Services-Hospitals 0.44%
Services-Specialty Outpatient Facilities, NEC 0.43%
Services-Medical Laboratories 0.40%
Electromedical & Electrotherapeutic Apparatus 0.37%
In Vitro & In Vivo Diagnostic Substances 0.35%
Dental Equipment & Supplies 0.18%
Services-Health Services 0.11%
Services-Home Health Care Services 0.09%
Services-Skilled Nursing Care Facilities 0.08%
Services-Misc Health & Allied Services, NEC 0.08%
Real Estate Investment Trusts 3.99%
Real Estate 0.53%
Real Estate Agents & Managers (For Others) 0.37%
Land Subdividers & Developers (No Cemeteries) 0.02%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 0.60%
Drawing & Insulating of Nonferrous Wire 0.59%
Perfumes, Cosmetics & Other Toilet Preparations 0.49%
Paper Mills 0.45%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 0.40%
Converted Paper & Paperboard Prods (No Contaners/Boxes) 0.34%
Gold and Silver Ores 0.32%
Footwear, (No Rubber) 0.26%
Metal Mining 0.19%
Miscellaneous Chemical Products 0.19%
Industrial Organic Chemicals 0.17%
Plastics Products, NEC 0.17%
Secondary Smelting & Refining of Nonferrous Metals 0.17%
Adhesives & Sealants 0.03%
Plastics, Foil & Coated Paper Bags 0.02%
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) 0.01%
Electric Services 1.60%
Electric & Other Services Combined 0.86%
Natural Gas Distribution 0.66%
Natural Gas Transmisison & Distribution 0.32%
Water Supply 0.23%
Refuse Systems 0.21%
Natural Gas Transmission 0.08%
Electric, Gas & Sanitary Services 0.03%
Crude Petroleum & Natural Gas 1.87%
Petroleum Refining 0.64%
Silver Ores 0.10%
Oil & Gas Field Services, NEC 0.07%
Drilling Oil & Gas Wells 0.02%
Canned, Frozen & Preservd Fruit, Veg & Food Specialties 0.35%
Food and Kindred Products 0.31%
Miscellaneous Food Preparations & Kindred Products 0.23%
Poultry Slaughtering and Processing 0.19%
Grain Mill Products 0.12%
Newspapers: Publishing or Publishing & Printing 0.36%
Cable & Other Pay Television Services 0.28%
Communications Services, NEC 0.01%
Unclassified 14.74%

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