Mid Cap Growth Stock Fund

Fund Overview
Adviser: Mason Street Advisors, LLC
Subadviser: Wellington Management Company LLP
Objective/Focus: Invests in stocks of mid-sized companies selected for their above-average growth potential. The objective is long-term capital growth.
Asset Class: Mid-Cap Stocks
Style: Growth
Investing in small company stocks involves a greater degree of risk than investing in medium or large company stocks.
Investing in medium company stocks involves a greater degree of risk than investing in large company stocks.
Fund Facts as of 9/30/17
Fund Inception 12-12-1990
First Available for Variable Annuity 12-03-1990
First Available for Variable Life 05-03-1994
Net Assets $1.07 Billion
Top 10 Portfolio Holdings % of Net Assets
Copart, Inc. 3.5%
Red Hat, Inc. 3.4%
SBA Communications Corp.
3.3%
Verisk Analytics, Inc. 3.3%
Ball Corp. 3.2%
Ross Stores, Inc. 3.0%
The Progressive Corp. 3.0%
Centene Corp.
3.0%
CoStar Group, Inc. 2.8%
Vantiv, Inc. - Class A 2.8%
Total % of Net Assets 31.4%
Download Publicly Disclosed Holdings
Sector Weightings % of Equities
Information Technology
25.9%
Industrials
21.0%
Consumer Discretionary
18.2%
Health Care
16.9%
Financials 6.1%

Before investing in a variable product, you should carefully consider the objectives, risks and charges associated with its investment options. For this and other information about a Contract, you should obtain the appropriate Contract and underlying fund prospectuses by contacting your Northwestern Mutual Financial Representative. Read the prospectuses carefully before you invest.

Mason Street Advisors, LLC (MSA) is the principal investment adviser for all the Portfolios in the Northwestern Mutual Series Fund (Series Fund). (Portfolios in the Series Fund are identified by the parenthetical next to the portfolio name.) MSA has engaged and oversees sub-advisers who provide day-to-day management for certain of the Series Fund Portfolios. Each sub-adviser may be replaced without the approval of shareholders. Please see the prospectus for more information. Additional fund options are advised by Russell Investments, Fidelity Investments, Neuberger Berman Investment Advisers LLC and Credit Suisse Asset Management, LLC

All securities are offered through Northwestern Mutual Investment Services LLC, (NMIS), Suite 600, 611 E. Wisconsin Avenue, Milwaukee, WI 53202, 1-866-664-7737. Member FINRA and SIPC. NMIS is a subsidiary of Northwestern Mutual.