Mid Cap Value Portfolio
NORTHWESTERN MUTUAL SERIES FUND INC

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.

State Commercial Banks 5.56%
Insurance Agents, Brokers & Service 3.20%
National Commercial Banks 2.96%
Life Insurance 1.69%
Fire, Marine & Casualty Insurance 1.46%
Investment Advice 1.41%
Security Brokers, Dealers & Flotation Companies 0.43%
Railroads, Line-Haul Operating 2.58%
Oil & Gas Field Machinery & Equipment 2.22%
Wholesale-Medical, Dental & Hospital Equipment & Supplies 1.96%
Wholesale-Industrial Machinery & Equipment 1.42%
Services-Commercial Physical & Biological Research 0.84%
Engines & Turbines 0.78%
Ball & Roller Bearings 0.73%
Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures 0.57%
Wholesale-Groceries & Related Products 0.56%
Air Transportation, Scheduled 0.52%
Wholesale-Drugs, Proprietaries & Druggists' Sundries 0.40%
Wholesale-Electronic Parts & Equipment, NEC 0.38%
Cutlery, Handtools & General Hardware 0.36%
Pumps & Pumping Equipment 0.34%
Construction, Mining & Materials Handling Machinery & Equip 0.29%
Electric & Other Services Combined 5.54%
Natural Gas Distribution 2.42%
Electric Services 1.86%
Natural Gas Transmission 1.49%
Natural Gas Transmisison & Distribution 0.53%
Refuse Systems 0.36%
Services-Medical Laboratories 2.79%
Orthopedic, Prosthetic & Surgical Appliances & Supplies 2.48%
Surgical & Medical Instruments & Apparatus 1.49%
X-Ray Apparatus & Tubes & Related Irradiation Apparatus 1.39%
Electromedical & Electrotherapeutic Apparatus 1.01%
Services-General Medical & Surgical Hospitals, NEC 1.01%
Dental Equipment & Supplies 0.78%
Industrial Instruments For Measurement, Display, and Control 1.76%
Search, Detection, Navigation, Guidance, Aeronautical Sys 1.69%
Instruments For Meas & Testing of Electricity & Elec Signals 1.12%
Motor Vehicles & Passenger Car Bodies 1.11%
Motor Vehicle Parts & Accessories 1.10%
Services-Business Services, NEC 0.85%
Retail-Catalog & Mail-Order Houses 0.62%
Services-Equipment Rental & Leasing, NEC 0.53%
Carpets & Rugs 0.48%
Totalizing Fluid Meters & Counting Devices 0.40%
Services-To Dwellings & Other Buildings 0.07%
Real Estate Investment Trusts 8.36%
Paperboard Containers & Boxes 2.13%
Perfumes, Cosmetics & Other Toilet Preparations 1.35%
Converted Paper & Paperboard Prods (No Contaners/Boxes) 1.22%
Paints, Varnishes, Lacquers, Enamels & Allied Prods 0.77%
Cement, Hydraulic 0.77%
Abrasive, Asbestos & Misc Nonmetallic Mineral Prods 0.67%
Plastic Materials, Synth Resins & Nonvulcan Elastomers 0.40%
Specialty Cleaning, Polishing and Sanitation Preparations 0.33%
Services-Computer Programming Services 1.79%
Semiconductors & Related Devices 1.67%
Computer Communications Equipment 1.12%
Computer & office Equipment 0.68%
Laboratory Analytical Instruments 0.51%
Crude Petroleum & Natural Gas 1.86%
Petroleum Refining 1.09%
Oil & Gas Field Services, NEC 0.76%
Food and Kindred Products 0.61%
Ice Cream & Frozen Desserts 0.22%
Unclassified 10.17%

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