UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F Form 13F Cover Page Report for the Calendar Year or Quarter Ended: March 31, 2005 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: CIGNA Corporation Address: One Liberty Place Philadelphia, PA 19192-1550 Form 13F File Number: 28-1157 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: Jeffrey S. Winer Title: Assistant Corporate Secretary Phone: 860-757-7276 Signature, Place, and Date of Signing: -------------------------------------------------------------------------------- [Signature] Hartford, CT -------------------------------------------------------------------------------- [City, State] May 23, 2005 -------------------------------------------------------------------------------- [Date] 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: 0 Form 13F Information Table Entry Total: 4 Form 13F Information Table Value Total: $47,342 (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. NONE ------------------------------------------------------------------------------------------------------------------------------------ Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 Name of Title of CUSIP Value SHRS or SH/ PUT/ Investment Other Voting Authority Issuer Class (X$1000) PRN AMT PRN CALL Discretion Managers Sole Shared None ------------------------------------------------------------------------------------------------------------------------------------ Brookstone COM 114537103 1,720 106,042 SH Defined 106,042 Inc ------------------------------------------------------------------------------------------------------------------------------------ CIGNA COM 125509109 26,120 292,500 SH Defined 292,500 Corporation ------------------------------------------------------------------------------------------------------------------------------------ El Paso COM 28336L109 675 63,764 SH Defined 63,764 Corporation ------------------------------------------------------------------------------------------------------------------------------------ Trex Company COM 89531P105 18,828 423,949 SH Defined 423,949 Inc. ------------------------------------------------------------------------------------------------------------------------------------ Grand Total $47,342 ------------------------------------------------------------------------------------------------------------------------------------