MNDGX
MFS New Discovery Fund
MFS SERIES TRUST I

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 5.27%
Semiconductors & Related Devices 4.69%
Electronic Components, NEC 2.88%
Services-Computer Integrated Systems Design 2.48%
Services-Computer Programming, Data Processing, Etc. 1.35%
Printed Circuit Boards 1.31%
Electrical Industrial Apparatus 1.19%
Miscellaneous Electrical Machinery, Equipment & Supplies 0.82%
Measuring & Controlling Devices, NEC 0.59%
Services-Computer Processing & Data Preparation 0.48%
Computer Peripheral Equipment, NEC 0.44%
Construction - Special Trade Contractors 2.91%
Wholesale-Lumber & Other Construction Materials 2.21%
Special Industry Machinery (No Metalworking Machinery) 1.86%
Pumps & Pumping Equipment 1.53%
Water, Sewer, Pipeline, Comm & Power Line Construction 1.46%
Miscellaneous Fabricated Metal Products 1.46%
Services-Commercial Physical & Biological Research 1.45%
Oil & Gas Field Machinery & Equipment 1.08%
Cutlery, Handtools & General Hardware 1.05%
Engines & Turbines 1.04%
Aircraft Engines & Engine Parts 0.94%
Special Industry Machinery, NEC 0.81%
Trucking (No Local) 0.68%
Wholesale-Groceries & Related Products 0.64%
Services-Educational Services 0.57%
Aircraft Parts & Auxiliary Equipment, NEC 0.56%
Guided Missiles & Space Vehicles & Parts 0.31%
Aircraft 0.15%
Pharmaceutical Preparations 8.19%
Biological Products, (No Diagnostic Substances) 4.16%
Surgical & Medical Instruments & Apparatus 2.58%
Electromedical & Electrotherapeutic Apparatus 2.50%
Services-Medical Laboratories 1.13%
Services-Health Services 0.81%
Orthopedic, Prosthetic & Surgical Appliances & Supplies 0.70%
Motor Vehicle Parts & Accessories 3.65%
Search, Detection, Navigation, Guidance, Aeronautical Sys 1.34%
Retail-Eating & Drinking Places 1.32%
Retail-Variety Stores 1.08%
Services-Miscellaneous Amusement & Recreation 0.85%
Apparel & Other Finishd Prods of Fabrics & Similar Matl 0.66%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 1.34%
Concrete Products, Except Block & Brick 1.18%
Miscellaneous Chemical Products 1.09%
Footwear, (No Rubber) 0.84%
Miscellaneous Metal Ores 0.67%
Investment Advice 3.30%
Security Brokers, Dealers & Flotation Companies 0.41%
Finance Services 0.23%
Crude Petroleum & Natural Gas 2.34%
Refuse Systems 0.61%
Food and Kindred Products 0.53%
Real Estate Investment Trusts 0.50%
Unclassified 15.82%

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