GROUP ONE TRADING LLC Q4 2016 Filing

Filed February 15, 2017

Portfolio Value

$10.3M

Holdings

4,408

Report Date

Q4 2016

Filing Type

13F-HR

All Holdings (4,408 positions)

#	Stock	Shares	Value	% Portfolio	Type
901	PLABPHOTRONICS INC	24,000	$271K	2.63%	Call
902	—SEASPAN CORP	29,600	$271K	2.63%	Call
903	—MOMO INC	14,700	$270K	2.62%	Call
904	—MICROSEMI CORP	5,000	$270K	2.62%	Call
905	—LUMOS NETWORKS CORP	17,300	$270K	2.62%	Put
906	KBHKB HOME	17,081	$270K	2.62%
907	ETNEATON CORP PLC	4,013	$269K	2.61%
908	—FOOT LOCKER INC	3,800	$269K	2.61%	Put
909	IAUUSDISHARES GOLD TRUST	24,216	$268K	2.60%
910	—AMERIGAS PARTNERS L P	5,600	$268K	2.60%	Put
911	—BLUCORA INC	18,200	$268K	2.60%	Put
912	UVEUNIVERSAL INS HLDGS INC	9,447	$268K	2.60%
913	DHID R HORTON INC	9,816	$268K	2.60%
914	NAKNORTHERN DYNASTY MINERALS LT	129,081	$267K	2.59%
915	—MENTOR GRAPHICS CORP	7,213	$266K	2.58%
916	STAASTAAR SURGICAL CO	24,482	$266K	2.58%
917	SYMCEURSYMANTEC CORP	11,143	$266K	2.58%
918	—VIMPELCOM LTD	69,200	$266K	2.58%	Call
919	—GRACE W R & CO DEL NEW	3,900	$264K	2.56%	Call
920	—ISHARES GOLD TRUST	23,800	$264K	2.56%	Put
921	—NEW YORK MTG TR INC	40,000	$264K	2.56%	Put
922	—SUCAMPO PHARMACEUTICALS INC	19,400	$263K	2.55%	Put
923	TOURTUNIU CORP	30,000	$263K	2.55%	Put
924	—CONSTELLIUM NV	44,600	$263K	2.55%	Put
925	DEDEERE & CO	2,539	$262K	2.54%
926	BBDBANCO BRADESCO S A	29,978	$261K	2.53%
927	IRDMIRIDIUM COMMUNICATIONS INC	27,130	$260K	2.52%
928	—EXAR CORP	24,100	$260K	2.52%	Call
929	LPLALPL FINL HLDGS INC	7,396	$260K	2.52%
930	—CRAFT BREW ALLIANCE INC	15,300	$259K	2.51%	Call
931	—RSP PERMIAN INC	5,800	$259K	2.51%	Put
932	LAZLAZARD LTD	6,296	$259K	2.51%
933	—HEADWATERS INC	11,000	$259K	2.51%	Put
934	—NOVELION THERAPEUTICS INC	30,700	$258K	2.50%	Put
935	ARANTERO RES CORP	10,846	$257K	2.49%
936	LXRXLEXICON PHARMACEUTICALS INC	18,563	$257K	2.49%
937	GKOSGLAUKOS CORP	7,500	$257K	2.49%	Put
938	—M D C HLDGS INC	10,000	$257K	2.49%	Call
939	—AMTRUST FINL SVCS INC	9,400	$257K	2.49%	Call
940	—IDERA PHARMACEUTICALS INC	169,700	$255K	2.47%	Put
941	—BALLARD PWR SYS INC NEW	154,400	$255K	2.47%	Call
942	VCYTVERACYTE INC	33,000	$255K	2.47%	Put
943	—LOUISIANA PAC CORP	13,400	$254K	2.46%	Call
944	—STRAIGHT PATH COMMUNICATNS I	7,500	$254K	2.46%	Put
945	ALAIR LEASE CORP	7,400	$254K	2.46%	Put
946	—INOTEK PHARMACEUTICALS CORP	41,700	$254K	2.46%	Call
947	—CENTURY ALUM CO	29,600	$253K	2.45%	Call
948	—SODASTREAM INTERNATIONAL LTD	6,400	$253K	2.45%	Call
949	CYTKCYTOKINETICS INC	20,810	$253K	2.45%
950	—NEVSUN RES LTD	81,400	$252K	2.44%	Put
951	MTHMERITAGE HOMES CORP	7,200	$251K	2.43%	Put
952	THCTENET HEALTHCARE CORP	16,900	$251K	2.43%	Put
953	ADMARCHER DANIELS MIDLAND CO	5,500	$251K	2.43%	Put
954	—MANULIFE FINL CORP	14,100	$251K	2.43%	Put
955	AMCXAMC NETWORKS INC	4,800	$251K	2.43%	Put
956	ARLPALLIANCE RES PARTNER L P	11,142	$250K	2.42%
957	—ARRIS INTL INC	8,300	$250K	2.42%
958	MAMASTERCARD INCORPORATED	2,400	$248K	2.41%	Put
959	—NEUSTAR INC	7,436	$248K	2.41%
960	CORTCORCEPT THERAPEUTICS INC	34,100	$248K	2.41%	Call
961	—INFINITY PHARMACEUTICALS INC	182,800	$247K	2.40%	Put
962	—REYNOLDS AMERICAN INC	4,408	$247K	2.40%
963	ADIANALOG DEVICES INC	3,400	$247K	2.40%	Call
964	—CALLON PETE CO DEL	16,000	$246K	2.39%	Call
965	—PIER 1 IMPORTS INC	28,800	$246K	2.39%	Call
966	ZTOZTO EXPRESS CAYMAN INC	20,400	$246K	2.39%	Put
967	VUZIVUZIX CORP	36,100	$245K	2.38%	Call
968	—TIDEWATER INC	71,962	$245K	2.38%
969	MNSTMONSTER BEVERAGE CORP NEW	5,529	$245K	2.38%
970	IMGNEURIMMUNOGEN INC	120,173	$245K	2.38%
971	CRBPCORBUS PHARMACEUTICALS HLDGS	29,000	$245K	2.38%	Call
972	FLSFLOWSERVE CORP	5,100	$245K	2.38%	Put
973	XBITXBIOTECH INC	24,100	$244K	2.37%	Call
974	FQIDIGITAL RLTY TR INC	2,487	$244K	2.37%
975	—MEDLEY CAP CORP	32,300	$243K	2.36%	Put
976	—NOVAGOLD RES INC	53,300	$243K	2.36%	Call
977	—TERRAFORM PWR INC	18,935	$243K	2.36%
978	—VIACOM INC NEW	6,300	$243K	2.36%	Put
979	JNJJOHNSON & JOHNSON	2,100	$242K	2.35%	Put
980	—MERRIMACK PHARMACEUTICALS IN	59,286	$242K	2.35%
981	—CALUMET SPECIALTY PRODS PTNR	60,600	$242K	2.35%	Call
982	BAHBOOZ ALLEN HAMILTON HLDG COR	6,700	$242K	2.35%	Put
983	—GIGAMON INC	5,300	$241K	2.34%	Call
984	MACMACERICH CO	3,409	$241K	2.34%
985	EDITEDITAS MEDICINE INC	14,818	$241K	2.34%
986	CVICVR ENERGY INC	9,500	$241K	2.34%	Put
987	—CARDTRONICS PLC	4,400	$240K	2.33%	Call
988	—INTEGRATED DEVICE TECHNOLOGY	10,200	$240K	2.33%	Put
989	FLRFLUOR CORP NEW	4,569	$240K	2.33%
990	OHIOMEGA HEALTHCARE INVS INC	7,606	$238K	2.31%
991	—FOAMIX PHARMACEUTICALS LTD	21,400	$238K	2.31%	Call
992	—KRATON CORPORATION	8,361	$238K	2.31%
993	—MEETME INC	48,233	$238K	2.31%
994	TGTTARGET CORP	3,300	$238K	2.31%	Call
995	SBUXSTARBUCKS CORP	4,260	$237K	2.30%
996	—NATUS MEDICAL INC DEL	6,800	$237K	2.30%	Call
997	ATDALLEGHENY TECHNOLOGIES INC	14,892	$237K	2.30%
998	SIMOSILICON MOTION TECHNOLOGY CO	5,569	$237K	2.30%
999	—ENABLE MIDSTREAM PARTNERS LP	15,000	$236K	2.29%	Call
1000	AMTTD AMERITRADE HLDG CORP	5,418	$236K	2.29%

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