NSIDX
Small Cap Index Fund
Northern Funds
Index fund

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.

Pharmaceutical Preparations 7.17%
Biological Products, (No Diagnostic Substances) 2.39%
Surgical & Medical Instruments & Apparatus 1.06%
Services-Medical Laboratories 0.83%
Services-Skilled Nursing Care Facilities 0.45%
Electromedical & Electrotherapeutic Apparatus 0.44%
Services-Home Health Care Services 0.40%
In Vitro & In Vivo Diagnostic Substances 0.37%
Services-Health Services 0.23%
Services-Offices & Clinics of Doctors of Medicine 0.17%
Ophthalmic Goods 0.15%
Services-Nursing & Personal Care Facilities 0.15%
Orthopedic, Prosthetic & Surgical Appliances & Supplies 0.11%
Services-Hospitals 0.11%
Medicinal Chemicals & Botanical Products 0.08%
Services-Specialty Outpatient Facilities, NEC 0.08%
Services-Misc Health & Allied Services, NEC 0.05%
Services-General Medical & Surgical Hospitals, NEC 0.04%
X-Ray Apparatus & Tubes & Related Irradiation Apparatus 0.03%
Semiconductors & Related Devices 3.25%
Services-Prepackaged Software 2.45%
Electrical Industrial Apparatus 1.01%
Services-Computer Processing & Data Preparation 0.96%
Printed Circuit Boards 0.81%
Miscellaneous Electrical Machinery, Equipment & Supplies 0.76%
Telephone & Telegraph Apparatus 0.64%
Electronic Components, NEC 0.60%
Services-Computer Integrated Systems Design 0.56%
Services-Computer Programming, Data Processing, Etc. 0.45%
Radio & Tv Broadcasting & Communications Equipment 0.44%
Communications Equipment, NEC 0.29%
Electronic Components & Accessories 0.21%
Calculating & Accounting Machines (No Electronic Computers) 0.20%
Computer Communications Equipment 0.17%
Switchgear & Switchboard Apparatus 0.16%
Motors & Generators 0.16%
Measuring & Controlling Devices, NEC 0.15%
Services-Computer Programming Services 0.15%
Household Audio & Video Equipment 0.12%
Laboratory Analytical Instruments 0.11%
Electronic Coils, Transformers & Other Inductors 0.07%
Computer Peripheral Equipment, NEC 0.06%
Electronic Computers 0.05%
Office Machines, NEC 0.05%
Electric Housewares & Fans 0.01%
State Commercial Banks 4.20%
National Commercial Banks 2.24%
Finance Services 1.12%
Fire, Marine & Casualty Insurance 1.02%
Investment Advice 0.67%
Savings Institution, Federally Chartered 0.63%
Surety Insurance 0.40%
Security & Commodity Brokers, Dealers, Exchanges & Services 0.37%
Life Insurance 0.35%
Personal Credit Institutions 0.34%
Patent Owners & Lessors 0.26%
Security Brokers, Dealers & Flotation Companies 0.25%
Hospital & Medical Service Plans 0.23%
Mineral Royalty Traders 0.18%
Investors, NEC 0.14%
Savings Institutions, Not Federally Chartered 0.12%
Accident & Health Insurance 0.12%
Insurance Agents, Brokers & Service 0.12%
Commercial Banks, NEC 0.11%
Short-Term Business Credit Institutions 0.09%
Mortgage Bankers & Loan Correspondents 0.09%
Title Insurance 0.07%
Federal & Federally-Sponsored Credit Agencies 0.04%
Loan Brokers 0.02%
Heavy Construction Other Than Bldg Const - Contractors 0.95%
Water, Sewer, Pipeline, Comm & Power Line Construction 0.70%
Operative Builders 0.67%
Water Transportation 0.63%
Services-Educational Services 0.63%
Aircraft 0.49%
Guided Missiles & Space Vehicles & Parts 0.49%
Construction - Special Trade Contractors 0.38%
Transportation Services 0.38%
Fabricated Plate Work (Boiler Shops) 0.34%
Miscellaneous Fabricated Metal Products 0.31%
Misc Industrial & Commercial Machinery & Equipment 0.31%
Metalworkg Machinery & Equipment 0.30%
Services-Management Consulting Services 0.28%
General Bldg Contractors - Residential Bldgs 0.26%
Special Industry Machinery, NEC 0.26%
General Industrial Machinery & Equipment 0.21%
Fabricated Structural Metal Products 0.20%
Industrial Trucks, Tractors, Trailors & Stackers 0.20%
Deep Sea Foreign Transportation of Freight 0.19%
Air Transportation, Scheduled 0.19%
Services-Engineering Services 0.19%
Oil & Gas Field Machinery & Equipment 0.18%
Trucking (No Local) 0.17%
Sawmills & Planting Mills, General 0.16%
Refrigeration & Service Industry Machinery 0.16%
Miscellaneous Transportation Equipment 0.16%
Coating, Engraving & Allied Services 0.15%
Metal Forgings & Stampings 0.14%
Electrical Work 0.13%
Aircraft & Parts 0.13%
Aircraft Parts & Auxiliary Equipment, NEC 0.13%
Railroad Equipment 0.13%
Wholesale-Hardware 0.13%
Mobile Homes 0.12%
Wholesale-Computers & Peripheral Equipment & Software 0.12%
General Bldg Contractors - Nonresidential Bldgs 0.11%
Metal Doors, Sash, Frames, Moldings & Trim 0.11%
Construction Machinery & Equip 0.11%
Special Industry Machinery (No Metalworking Machinery) 0.11%
Wholesale-Farm Product Raw Materials 0.11%
Household Furniture 0.10%
Farm Machinery & Equipment 0.09%
Arrangement of Transportation of Freight & Cargo 0.09%
Wholesale-Lumber & Other Construction Materials 0.09%
Wholesale-Chemicals & Allied Products 0.09%
Machine Tools, Metal Cutting Types 0.08%
Wholesale-Groceries, General Line 0.08%
Wholesale-Miscellaneous Nondurable Goods 0.08%
Office Furniture (No Wood) 0.07%
Wholesale-Industrial Machinery & Equipment 0.07%
Metal Shipping Barrels, Drums, Kegs & Pails 0.06%
Cutlery, Handtools & General Hardware 0.06%
Ordnance & Accessories, (No Vehicles/Guided Missiles) 0.06%
General Industrial Machinery & Equipment, NEC 0.06%
Services-Facilities Support Management Services 0.06%
Wood Household Furniture, (No Upholstered) 0.05%
Industrial & Commercial Fans & Blowers & Air Purifing Equip 0.05%
Pumps & Pumping Equipment 0.04%
Air Transportation, Nonscheduled 0.04%
Wholesale-Metals Service Centers & of fices 0.04%
Wholesale-Machinery, Equipment & Supplies 0.04%
Wholesale-Petroleum & Petroleum Products (No Bulk Stations) 0.04%
Office Furniture 0.03%
Services-Legal Services 0.03%
Services-Testing Laboratories 0.03%
Lumber & Wood Products (No Furniture) 0.02%
Metal Cans 0.02%
Engines & Turbines 0.02%
Ship & Boat Building & Repairing 0.02%
Motorcycles, Bicycles & Parts 0.02%
Railroads, Line-Haul Operating 0.02%
Services-Commercial Physical & Biological Research 0.02%
Wholesale-Lumber, Plywood, Millwork & Wood Panels 0.01%
Wholesale-Drugs, Proprietaries & Druggists' Sundries 0.01%
Wholesale-Apparel, Piece Goods & Notions 0.01%
Wholesale-Beer, Wine & Distilled Alcoholic Beverages 0.01%
Services-Management Services 0.01%
Motor Vehicle Parts & Accessories 1.30%
Services-Business Services, NEC 0.88%
Retail-Auto Dealers & Gasoline Stations 0.52%
Retail-Eating Places 0.45%
Retail-Family Clothing Stores 0.39%
Services-Miscellaneous Amusement & Recreation 0.30%
Retail-Miscellaneous Retail 0.28%
Instruments For Meas & Testing of Electricity & Elec Signals 0.26%
Services-Amusement & Recreation Services 0.24%
Motor Vehicles & Passenger Car Bodies 0.20%
Services-Membership Sports & Recreation Clubs 0.20%
Services-To Dwellings & Other Buildings 0.19%
Retail-Shoe Stores 0.16%
Hotels & Motels 0.16%
Services-Equipment Rental & Leasing, NEC 0.16%
Sporting & Athletic Goods, NEC 0.15%
Retail-Catalog & Mail-Order Houses 0.15%
Men's & Boys' Furnishgs, Work Clothg, & Allied Garments 0.14%
Totalizing Fluid Meters & Counting Devices 0.14%
Services-Miscellaneous Equipment Rental & Leasing 0.14%
Retail-Eating & Drinking Places 0.13%
Retail-Variety Stores 0.12%
Retail-Auto & Home Supply Stores 0.12%
Retail-Miscellaneous Shopping Goods Stores 0.12%
Search, Detection, Navigation, Guidance, Aeronautical Sys 0.11%
Retail-Grocery Stores 0.11%
Retail-Jewelry Stores 0.11%
Services-Help Supply Services 0.11%
Apparel & Other Finishd Prods of Fabrics & Similar Matl 0.10%
Retail-Women's Clothing Stores 0.10%
Services-Employment Agencies 0.10%
Truck & Bus Bodies 0.08%
Hotels, Rooming Houses, Camps & Other Lodging Places 0.08%
Services-Personal Services 0.07%
Retail-Retail Stores, NEC 0.06%
Broadwoven Fabric Mills, Man Made Fiber & Silk 0.05%
Carpets & Rugs 0.04%
Miscellaneous Manufacturing Industries 0.04%
Retail-Department Stores 0.04%
Services-Miscellaneous Business Services 0.04%
Services-Detective, Guard & Armored Car Services 0.04%
Services-Automotive Repair, Services & Parking 0.04%
Motor Homes 0.03%
Retail-Furniture Stores 0.03%
Services-Advertising 0.03%
Services-Advertising Agencies 0.03%
Photographic Equipment & Supplies 0.02%
Retail-Apparel & Accessory Stores 0.02%
Services-Auto Rental & Leasing (No Drivers) 0.02%
Truck Trailers 0.01%
Industrial Instruments For Measurement, Display, and Control 0.01%
Watches, Clocks, Clockwork Operated Devices/Parts 0.01%
Games, Toys & Children's Vehicles (No Dolls & Bicycles) 0.01%
Retail-Food Stores 0.01%
Retail-Convenience Stores 0.01%
Retail-Hobby, Toy & Game Shops 0.01%
Real Estate Investment Trusts 4.08%
Real Estate 0.49%
Real Estate Agents & Managers (For Others) 0.31%
Land Subdividers & Developers (No Cemeteries) 0.08%
Opeators of Nonresidential Buildings 0.02%
Lessors of Real Property, NEC 0.02%
Real Estate Operators (No Developers) & Lessors 0.01%
Gold and Silver Ores 0.91%
Mining & Quarrying of Nonmetallic Minerals (No Fuels) 0.70%
Chemicals & Allied Products 0.56%
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) 0.24%
Industrial Organic Chemicals 0.22%
Miscellaneous Metal Ores 0.21%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 0.20%
Industrial Inorganic Chemicals 0.16%
Metal Mining 0.15%
Miscellaneous Chemical Products 0.14%
Footwear, (No Rubber) 0.14%
Drawing & Insulating of Nonferrous Wire 0.14%
Adhesives & Sealants 0.13%
Primary Production of Aluminum 0.10%
Secondary Smelting & Refining of Nonferrous Metals 0.10%
Perfumes, Cosmetics & Other Toilet Preparations 0.09%
Steel Works, Blast Furnaces & Rolling & Finishing Mills 0.09%
Rolling Drawing & Extruding of Nonferrous Metals 0.09%
Paper Mills 0.07%
Tires & Inner Tubes 0.06%
Leather & Leather Products 0.06%
Plastics Products, NEC 0.05%
Glass Containers 0.05%
Flat Glass 0.04%
Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics 0.03%
Pulp Mills 0.02%
Glass Products, Made of Purchased Glass 0.02%
Steel Pipe & Tubes 0.02%
Nonferrous Foundries (Castings) 0.02%
Paperboard Mills 0.01%
Converted Paper & Paperboard Prods (No Contaners/Boxes) 0.01%
Crude Petroleum & Natural Gas 1.65%
Drilling Oil & Gas Wells 0.97%
Oil & Gas Field Services, NEC 0.50%
Silver Ores 0.34%
Petroleum Refining 0.32%
Bituminous Coal & Lignite Surface Mining 0.20%
Electric Services 1.15%
Natural Gas Distribution 0.59%
Natural Gas Transmisison & Distribution 0.54%
Natural Gas Transmission 0.41%
Electric & Other Services Combined 0.26%
Water Supply 0.25%
Refuse Systems 0.15%
Electric, Gas & Sanitary Services 0.09%
Gas & Other Services Combined 0.02%
Hazardous Waste Management 0.01%
Communications Services, NEC 0.90%
Telephone Communications (No Radiotelephone) 0.46%
Services-Motion Picture Theaters 0.12%
Cable & Other Pay Television Services 0.10%
Books: Publishing or Publishing & Printing 0.07%
Services-Motion Picture & Video Tape Production 0.07%
Newspapers: Publishing or Publishing & Printing 0.05%
Commercial Printing 0.05%
Blankbooks, Looseleaf Binders & Bookbindg & Relatd Work 0.05%
Telegraph & Other Message Communications 0.05%
Television Broadcasting Stations 0.03%
Miscellaneous Publishing 0.02%
Manifold Business Forms 0.02%
Radiotelephone Communications 0.01%
Radio Broadcasting Stations 0.01%
Agricultural Prod-Livestock & Animal Specialties 0.10%
Canned, Frozen & Preservd Fruit, Veg & Food Specialties 0.08%
Beverages 0.08%
Food and Kindred Products 0.07%
Tobacco Products 0.05%
Agricultural Services 0.04%
Cookies & Crackers 0.04%
Sugar & Confectionery Products 0.04%
Bottled & Canned Soft Drinks & Carbonated Waters 0.03%
Sausages & Other Prepared Meat Products 0.02%
Canned, Fruits, Veg, Preserves, Jams & Jellies 0.02%
Miscellaneous Food Preparations & Kindred Products 0.02%
Agricultural Production-Crops 0.01%
Unclassified 17.43%

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