The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE |
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| Report for the Calendar Year or Quarter Ended: | 12-31-2015 |
| Check here if Amendment | Amendment Number: | |
| This Amendment (Check only one.): | is a restatement. | |
| adds new holdings entries. |
| Institutional Investment Manager Filing this Report: | |
| Name: | MASON STREET ADVISORS, LLC |
| Address: | 720 EAST WISCONSIN AVE |
| MILWAUKEE, WI 53202 | |
| Form 13F File Number: | 028-10206 |
The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.
| Person Signing this Report on Behalf of Reporting Manager: | ||||
| Name: | Kate M. Fleming | |||
| Title: | President, MSA | |||
| Phone: | 414 665-7476 | |||
| Signature, Place, and Date of Signing: | ||||
| /s/Kate M. Fleming | Milwaukee, WI | 02-16-2016 | ||
| [Signature] | [City, State] | [Date] | ||
| Report Type (Check only one.): | |
| 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) | |
| 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) | |
| X | 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) |
| List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.] | |||
| Form 13F File Number | Name | ||
| 028-01091 | American Century Investment Management, Inc | ||
| 028-04295 | BlackRock Advisors, LLC | ||
| 028-05267 | Delaware Management Business Trust | ||
| 028-10991 | Fayez Sarofim & Co. | ||
| 028-04377 | Federated Investment Management Company | ||
| 028-01526 | Fiduciary Management, Inc. | ||
| 028-00398 | Loomis Sayles & Company LP | ||
| 028-04968 | Massachusetts Financial Services Company | ||
| 028-10952 | Pacific Investment Management Company LLC | ||
| 028-12282 | Pyramis Global Advisors, LLC | ||
| 028-00115 | T. Rowe Price Associates, Inc | ||
| 028-01074 | Templeton Investment Counsel, LLC | ||
| 028-12592 | The Boston Company Asset Management, LLC | ||
| 028-04557 | Wellington Management Company, LLP | ||
| 028-04413 | Wells Capital Management, Inc. | ||
| 028-04871 | William Blair & Company, L.L.C. | ||
| Form 13F Summary Page | |||||
| Report Summary: | |||||
| Number of Other Included Managers: | 1 | ||||
| Form 13F Information Table Entry Total: | 1,517 | ||||
| Form 13F Information Table Value Total: | 3,193,958 | ||||
| (thousands) | |||||
| List of Other Included Managers: | |||
| Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. | |||
| [If there are no entries in this list, state “NONE” and omit the column headings and list entries.] | |||
| No. | Form 13F File Number | Name | |
| 1 | 028-00229 | THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY | |