GROUP ONE TRADING LLC Q2 2018 Filing

Filed August 14, 2018

Portfolio Value

$11.7M

Holdings

5,072

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (5,072 positions)

#	Stock	Shares	Value	% Portfolio	Type
1001	—ZUORA INC	11,000	$299K	2.56%	Put
1002	OLNOLIN CORP	10,409	$299K	2.56%
1003	CTSOCYTOSORBENTS CORP	26,100	$298K	2.55%	Call
1004	—WEATHERFORD INTL PLC	90,600	$298K	2.55%	Call
1005	ODFLOLD DOMINION FGHT LINES INC	2,000	$298K	2.55%	Call
1006	—MODEL N INC	16,000	$298K	2.55%	Put
1007	BTGB2GOLD CORP	115,400	$298K	2.55%	Call
1008	—DERMIRA INC	32,400	$298K	2.55%	Call
1009	TTMCHFTATA MTRS LTD	15,216	$297K	2.54%
1010	PACBPACIFIC BIOSCIENCES CALIF IN	83,600	$297K	2.54%	Put
1011	MEOHMETHANEX CORP	4,200	$297K	2.54%	Call
1012	SONYSONY CORP	5,800	$297K	2.54%	Put
1013	RPDRAPID7 INC	10,500	$296K	2.53%	Put
1014	—ARQULE INC	53,300	$295K	2.52%	Call
1015	BCCBOISE CASCADE CO DEL	6,600	$295K	2.52%	Put
1016	—ATARA BIOTHERAPEUTICS INC	8,000	$294K	2.51%	Call
1017	NXSTNEXSTAR MEDIA GROUP INC	4,000	$294K	2.51%	Put
1018	XNETXUNLEI LTD	27,500	$294K	2.51%	Call
1019	—NUANCE COMMUNICATIONS INC	21,200	$294K	2.51%	Put
1020	—CARROLS RESTAURANT GROUP INC	19,800	$294K	2.51%	Call
1021	—OASIS PETE INC NEW	22,700	$294K	2.51%	Put
1022	—SORL AUTO PTS INC	62,600	$292K	2.50%	Put
1023	—NAVIOS MARITIME PARTNERS L P	153,800	$291K	2.49%	Put
1024	PGRPROGRESSIVE CORP OHIO	4,900	$290K	2.48%	Call
1025	ATDALLEGHENY TECHNOLOGIES INC	11,549	$290K	2.48%
1026	—GLOBAL PMTS INC	2,600	$290K	2.48%	Put
1027	GLREGREENLIGHT CAPITAL RE LTD	20,400	$290K	2.48%	Call
1028	—GREENHILL & CO INC	10,200	$290K	2.48%	Call
1029	—DCP MIDSTREAM LP	7,300	$289K	2.47%	Put
1030	—JOUNCE THERAPEUTICS INC	37,500	$287K	2.45%	Put
1031	—SWITCH INC	23,600	$287K	2.45%	Call
1032	—AVON PRODS INC	177,300	$287K	2.45%	Call
1033	—AXOVANT SCIENCES LTD	127,146	$287K	2.45%
1034	—PHILLIPS 66 PARTNERS LP	5,600	$286K	2.45%	Put
1035	NVCRNOVOCURE LTD	9,124	$286K	2.45%
1036	—SERVICE CORP INTL	8,000	$286K	2.45%	Call
1037	—HEALTHCARE SVCS GRP INC	6,600	$285K	2.44%	Call
1038	—FANG HLDGS LTD	73,500	$285K	2.44%	Put
1039	MXMAGNACHIP SEMICONDUCTOR CORP	27,803	$285K	2.44%
1040	AWIARMSTRONG WORLD INDS INC NEW	4,500	$284K	2.43%	Call
1041	FMCF M C CORP	3,180	$284K	2.43%
1042	AYXEURALTERYX INC	7,425	$283K	2.42%
1043	—NEW GOLD INC CDA	136,200	$283K	2.42%	Call
1044	IRWDIRONWOOD PHARMACEUTICALS INC	14,800	$283K	2.42%	Put
1045	LDOSLEIDOS HLDGS INC	4,776	$282K	2.41%
1046	—GRIDSUM HLDG INC	40,500	$282K	2.41%	Put
1047	—C&J ENERGY SVCS INC NEW	11,900	$281K	2.40%	Put
1048	NRPNATURAL RESOURCE PARTNERS L	8,911	$280K	2.39%
1049	—AKCEA THERAPEUTICS INC	11,800	$280K	2.39%	Call
1050	TNETTRINET GROUP INC	5,000	$280K	2.39%	Call
1051	—DIAMOND OFFSHORE DRILLING IN	13,400	$280K	2.39%	Put
1052	—ANTERO MIDSTREAM PARTNERS LP	9,493	$280K	2.39%
1053	—NCI BUILDING SYS INC	13,300	$279K	2.39%	Put
1054	LEALEAR CORP	1,500	$279K	2.39%	Put
1055	IOVAIOVANCE BIOTHERAPEUTICS INC	21,800	$279K	2.39%	Put
1056	ANIKANIKA THERAPEUTICS INC	8,700	$278K	2.38%	Call
1057	—BRF SA	59,300	$278K	2.38%	Call
1058	RUBIEURRUBICON PROJ INC	97,274	$277K	2.37%
1059	WYNEURWYNDHAM DESTINATIONS INC	6,233	$276K	2.36%
1060	—NIELSEN HLDGS PLC	8,923	$276K	2.36%
1061	—AV HOMES INC	12,865	$275K	2.35%
1062	SKYWSKYWEST INC	5,300	$275K	2.35%	Put
1063	4DHDANA INCORPORATED	13,570	$274K	2.34%
1064	BLBLACKLINE INC	6,300	$274K	2.34%	Call
1065	BOOTBOOT BARN HLDGS INC	13,200	$274K	2.34%	Put
1066	ZNHUSDCHINA SOUTHN AIRLS LTD	6,926	$274K	2.34%
1067	—IAC INTERACTIVECORP	1,800	$274K	2.34%	Put
1068	—NUSTAR GP HOLDINGS LLC	22,000	$273K	2.33%	Put
1069	—INNOVATE BIOPHARMACEUTICLS I	11,600	$273K	2.33%	Put
1070	CNPCENTERPOINT ENERGY INC	9,800	$272K	2.33%	Call
1071	GTGOODYEAR TIRE & RUBR CO	11,700	$272K	2.33%	Call
1072	VCELVERICEL CORP	28,000	$272K	2.33%	Call
1073	AVPUSDAVON PRODS INC	167,945	$272K	2.33%
1074	—RESOLUTE FST PRODS INC	26,300	$272K	2.33%	Call
1075	—TRIBUNE MEDIA CO	7,100	$272K	2.33%	Call
1076	ZUOUSDZUORA INC	9,994	$272K	2.33%
1077	LDOSLEIDOS HLDGS INC	4,600	$271K	2.32%	Put
1078	BHPBHP BILLITON LTD	5,422	$271K	2.32%
1079	—PENNEY J C INC	115,701	$271K	2.32%
1080	—CANADIAN NATL RY CO	3,300	$270K	2.31%	Call
1081	—CHINA PETE & CHEM CORP	3,000	$270K	2.31%	Call
1082	ADIANALOG DEVICES INC	2,800	$269K	2.30%	Put
1083	DANDANA INCORPORATED	13,300	$269K	2.30%	Put
1084	NVONOVO-NORD ISK A S	5,830	$269K	2.30%
1085	—INVESTORS BANCORP INC NEW	21,000	$269K	2.30%	Call
1086	—NEPTUNE TECHNOLOGIES BIORESO	86,816	$269K	2.30%
1087	ECECOPETROL S A	13,000	$267K	2.28%	Call
1088	MCKMCKESSON CORP	2,000	$267K	2.28%	Put
1089	EDAPEDAP TMS S A	88,100	$267K	2.28%	Call
1090	—HORTONWORKS INC	14,645	$267K	2.28%
1091	—NEW YORK MTG TR INC	44,500	$267K	2.28%	Put
1092	—CONTROL4 CORP	11,000	$267K	2.28%	Call
1093	—ION GEOPHYSICAL CORP	11,000	$267K	2.28%	Put
1094	—FORESCOUT TECHNOLOGIES INC	7,800	$267K	2.28%	Put
1095	CUTREURCUTERA INC	6,602	$266K	2.27%
1096	DXCMDEXCOM INC	2,800	$266K	2.27%	Put
1097	—OWENS ILL INC	15,800	$266K	2.27%	Put
1098	OSPNONESPAN INC	13,500	$265K	2.27%	Put
1099	ICEINTERCONTINENTAL EXCHANGE IN	3,600	$265K	2.27%	Call
1100	—COMPANHIA SIDERURGICA NACION	131,000	$265K	2.27%	Call

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