OMB APPROVAL -------------------------- OMB Number: 3235-0006 Expires: October 31, 2003 Estimated average burden hours per response....23.5 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2003 --------------------------- 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: Devon Energy Corporation ------------------------------------------ Address: 20 North Broadway ------------------------------------------ Oklahoma City, OK 73102-8260 ------------------------------------------ Form 13F File Number: 028-05117 ------------- 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: Janice A. Dobbs -------------------------------------------- Title: Corporate Secretary -------------------------------------------- Phone: (405) 552-7844 -------------------------------------------- Signature, Place, and Date of Signing: /s/ Janice A. Dobbs Oklahoma City, OK November 11, 2003 --------------------- ------------------------------------- ----------------- [Signature] [City, State] [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: 1 ----------------------- Form 13F Information Table Value Total: $ 506,754,052 ----------------------- (thousands) List of Other Included Managers: NONE FORM 13F INFORMATION TABLE ------------------------------------------------------------------------------------------------------------------------------------ COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ------------------------------------------------------------------------------------------------------------------------------------ NAME OF TITLE OF VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY ISSUER CLASS CUSIP [x$1000] PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ------------------------------------------------------------------------------------------------------------------------------------ ChevronTexaco Corporation Common 166764100 506,754 7,092,429 SH SOLE ------------------------------------------------------------------------------------------------------------------------------------