MASON STREET ADVISORS, LLC

Q1 2014 13F Combination Report, Stock Holdings

Signature - Title
Kate M. Fleming - Vice President of Operations
Location
Milwaukee, WI
Holdings as of
31 Mar 2014
Value $
$12,351,788,000
Num holdings
1,879
Filing time
15 May 2014, 10:25:00 UTC
Form type
13F-HR
Description
A portion of the US holdings for this investor are reported in this report and a portion are reported by other reporting manager(s). Top holdings included SPY, VWO, EEM, GOOGL, and XOM.
Previous filing
Q4 2013 - 14 Feb 2014
Next filing
Q2 2014 - 05 Aug 2014
Sym Weight Trade Impact Company Class Share Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2014 Q1 compared to 2013 Q4 by default. Changes are calculated vs the previous SEC filing.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Kate M. Fleming Vice President of Operations Milwaukee, Wisconsin 15 May 2014

List of Other Managers Reporting for MASON STREET ADVISORS, LLC:

Name Holdings Value Location File Number
AMERICAN CENTURY INVESTMENT MANAGEMENT INC Kansas City, MO 028-01091
PRICE T ROWE ASSOCIATES INC /MD/ $927,464,463,000 Baltimore, MD 028-00115
TEMPLETON INVESTMENT COUNSEL LLC Fort Lauderdale, FL 028-01074
MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST Philadelphia, PA 028-05267
FIDUCIARY MANAGEMENT INC /WI/ $9,094,755,848 Milwaukee, WI 028-01526
JANUS HENDERSON INVESTORS US LLC Denver, CO 028-01343
WELLINGTON MANAGEMENT GROUP LLP $570,595,046,970 Boston, MA 028-04557
BLAIR WILLIAM & CO/IL $37,259,505,965 Chicago, IL 028-04871
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $309,900,266,454 Boston, MA 028-04968
FAYEZ SAROFIM & CO $41,664,282,828 Houston, TX 028-10991
PACIFIC INVESTMENT MANAGEMENT CO LLC Newport Beach, CA 028-10952
Bank of New York Mellon Corp $567,559,307,335 New York, NY 028-12592

Other Included Managers (1):

Num Name Location File Number
1 NORTHWESTERN MUTUAL LIFE INSURANCE CO Milwaukee, WI 028-00229