UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G made on January 23, 2012. Under the Securities Exchange Act of 1934 Issuer-CBOE Holdings, Inc. Securities Class-common CUSIP Number-12503M108 Event Requiring Filing -December 31, 2011 Filed pursuant to Rule 13d-1(b) CUSIP Number 12503M108 Reporter- Horizon Kinetics LLC Tax ID#45-0642972 Place of Organization-Delaware Number of Shares-sole voting power-6,515,074 Sole dispositive power-6,515,074 Amount beneficially owned-6,515,074 Percent of Class represented by above-7.20% Type of Reporting Person-HC Name of Issuer-CBOE Holdings, Inc. Address of Issuer-400 South LaSalle Street, Chicago, Illinois 60605 Name of Person Filing-Horizon Kinetics LLC Address -470 Park Avenue South, 4th Floor South, NY, NY, 10016 Citizenship-Delaware Securities Class-common stock Filing re Section 240.13d-1(b) by investment adviser under Section 240.13d-1(b)(1)(ii)(E). Amount beneficially owned-6,515,074 Percent of class-7.20% sole voting power-6,515,074 shared power to vote or direct the vote-0 sole power to dispose/direct the disposition-6,515,074 shared power to dispose/direct the disposition-0 Certification pursuant to Section 240.13d-1(b): By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date-January 23, 2012 Signature-Andrew M. Fishman Title-Associate General Counsel