The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
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hours per response: 23.8

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: CHUBB CORP
Address: 15 MOUNTAIN VIEW ROAD
WARREN, NJ  07059
Form 13F File Number: 028-00327

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: Kenneth Koreyva
Title: CFO, ACE INA Holdings Inc., successor to Chubb Corp
Phone: 215-640-1000
Signature, Place, and Date of Signing:
/s/ Kenneth Koreyva PhiladelphiaPA 02-11-2016
[Signature] [City, State] [Date]
Pursuant to an Agreement and Plan of Merger, dated as of June 30, 2015, by and among ACE Limited (now Chubb Limited) ("ACE"), William Investment Holdings Corporation ("William") and The Chubb Corporation ("Chubb Corp."), on January 14, 2016 William merged with and into Chubb Corp., with Chubb Corp. surviving as a wholly owned subsidiary of ACE INA Holdings Inc. ("ACE INA"), a subsidiary of ACE. On January 15, 2016, Chubb Corp. merged with and into ACE INA, with ACE INA surviving.
Report Type (Check only one.):
X 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).)
   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).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 3
Form 13F Information Table Entry Total: 163
Form 13F Information Table Value Total: 1,240,612
(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
1 028-2490 Federal Insurance Company
2 028-2804 Pacific Indemnity Company
3 028-15161 Executive Risk Indemnity Inc.