UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 03/31/2013 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: Eton Park Capital Management, L.P. Address: 399 Park Avenue, 10th Floor New York, NY 10022 13F File Number: 028-11170 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: Marcy Engel Title: Chief Operating Officer Phone: 212-756-5390 Signature, Place, and Date of Signing: /s/ Marcy Engel New York, NY May 15, 2013 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 39 Form 13F Information Table Value Total: $4,986,363 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- BAIDU INC SPON ADR REP A 056752108 57005 650000 SH SOLE 650000 0 BARCLAYS BK PLC IPATH S&P MT ETN 06740C519 10770 500000 SH PUT SOLE 500000 0 BARCLAYS BK PLC IPATH S&P500 VIX 06740C188 334620 16500000 SH PUT SOLE 16500000 0 BRE PROPERTIES INC CL A 05564E106 6815 140000 SH SOLE 140000 0 CHARTER COMMUNICATIONS INC D CL A NEW 16117M305 39068 375000 SH SOLE 375000 0 CHENIERE ENERGY INC COM NEW 16411R208 81984 2928000 SH SOLE 2928000 0 CHIPOTLE MEXICAN GRILL INC COM 169656105 130348 400000 SH SOLE 400000 0 CITIGROUP INC *W EXP 10/28/201 172967234 2588 34507284 SH SOLE 34507284 0 COMCAST CORP NEW CL A SPL 20030N200 133424 3367596 SH SOLE 3367596 0 CONSTELLATION BRANDS INC CL A 21036P108 14292 300000 SH SOLE 300000 0 CORRECTIONS CORP AMER NEW COM NEW 22025Y407 10379 265650 SH SOLE 265650 0 CYTEC INDS INC COM 232820100 42040 567500 SH SOLE 567500 0 DOLLAR GEN CORP NEW COM 256677105 308032 6090000 SH SOLE 6090000 0 DOLLAR TREE INC COM 256746108 242150 5000000 SH SOLE 5000000 0 EBAY INC COM 278642103 216880 4000000 SH SOLE 4000000 0 INTEL CORP COM 458140100 131100 6000000 SH PUT SOLE 6000000 0 KINDER MORGAN INC DEL *W EXP 05/25/201 49456B119 29047 5651198 SH SOLE 5651198 0 LIBERTY GLOBAL INC COM SER A 530555101 275250 3750000 SH CALL SOLE 3750000 0 LIBERTY GLOBAL INC COM SER A 530555101 131628 1793300 SH SOLE 1793300 0 LIBERTY GLOBAL INC COM SER C 530555309 214380 3123700 SH SOLE 3123700 0 LIBERTY INTERACTIVE CORP LBT VENT COM A 53071M880 92153 1219275 SH SOLE 1219275 0 MARATHON PETE CORP COM 56585A102 85210 951000 SH SOLE 951000 0 MARATHON PETE CORP COM 56585A102 313600 3500000 SH CALL SOLE 3500000 0 MCGRAW HILL COS INC COM 580645109 52080 1000000 SH CALL SOLE 1000000 0 MCMORAN EXPLORATION CO COM 582411104 24525 1500000 SH SOLE 1500000 0 MEAD JOHNSON NUTRITION CO COM 582839106 51892 670000 SH SOLE 670000 0 MOODYS CORP COM 615369105 53320 1000000 SH SOLE 1000000 0 NEWS CORP CL A 65248E104 198380 6500000 SH CALL SOLE 6500000 0 NEWS CORP CL A 65248E104 701960 23000000 SH SOLE 23000000 0 NIELSEN HOLDINGS N V COM N63218106 286560 8000000 SH SOLE 8000000 0 PACIFIC DRILLING SA LUXEMBOU REG SHS L7257P106 37067 3670000 SH SOLE 3670000 0 PAMPA ENERGIA S A SPONS ADR LVL I 697660207 15351 3818540 SH SOLE 3818540 0 PLAINS EXPL& PRODTN CO COM 726505100 36291 764501 SH SOLE 764501 0 PRICELINE COM INC COM NEW 741503403 168543 245000 SH SOLE 245000 0 SPRINT NEXTEL CORP COM SER 1 852061100 114611 18455816 SH SOLE 18455816 0 TEEKAY CORPORATION COM Y8564W103 179800 5000000 SH CALL SOLE 5000000 0 VISTEON CORP COM NEW 92839U206 63095 1093500 SH SOLE 1093500 0 YANDEX N V SHS CLASS A N97284108 46240 2000000 SH SOLE 2000000 0 YPF SOCIEDAD ANONIMA SPON ADR CL D 984245100 53885 3770789 SH SOLE 3770789 0