13F-HR 1 allston13fSDec2012.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2012 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: Allston Trading LLC Address: 440 S LaSalle St Suite 1200 Chicago IL 60605 13F File Number: 28-13647 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 submission. Person Signing this Report on Behalf of Reporting Manager: Name: Greg O'Connor Title: CCO Phone: 312-663-7150 Signature, Place, and Date of Signing: Greg O'Connor CHICAGO, ILLINOIS February 11, 2013 Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 18 Form 13F Information Table Value Total: $58,135 List of Other Included Managers: 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 ----------------------------- ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- APPLE INC COM 037833100 862 1622 SH SOLE 0 0 1622 APPLE INC COM 037833100 7 429 SH CALL SOLE 0 0 0 APPLE INC COM 037833100 5 437 SH PUT SOLE 0 0 437 FACEBOOK INC CL A 30303M102 1664 62553 SH SOLE 0 0 62553 FACEBOOK INC CL A 30303M102 2 2507 SH CALL SOLE 0 0 0 FACEBOOK INC CL A 30303M102 1 1380 SH PUT SOLE 0 0 1380 GOOGLE INC CL A 38259P508 382 540 SH SOLE 0 0 540 GOOGLE INC CL A 38259P508 3 161 SH CALL SOLE 0 0 0 GOOGLE INC CL A 38259P508 2 153 SH PUT SOLE 0 0 153 ISHARES TR MSCI EAFE INDEX 464287465 4942 86836 SH SOLE 0 0 86836 POWERSHARES QQQ TRUST UNIT SER 1 73935A104 9342 143384 SH SOLE 0 0 143384 POWERSHARES QQQ TRUST UNIT SER 1 73935A104 2 3144 SH CALL SOLE 0 0 0 POWERSHARES QQQ TRUST UNIT SER 1 73935A104 2 1875 SH PUT SOLE 0 0 1875 ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 487 7057 SH SOLE 0 0 7057 SPDR S&P 500 ETF TR TR UNIT 78462F103 40093 281320 SH SOLE 0 0 281320 SPDR S&P 500 ETF TR TR UNIT 78462F103 10 5086 SH CALL SOLE 0 0 0 SPDR S&P 500 ETF TR TR UNIT 78462F103 6 7658 SH PUT SOLE 0 0 7658 UNILEVER PLC SPON ADR NEW 904767704 323 8350 SH SOLE 0 0 8350