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
4001	—POLYONE CORP	1,100	$48K	0.41%	Put
4002	BTEBAYTEX ENERGY CORP	14,500	$48K	0.41%	Call
4003	INOINOVIO PHARMACEUTICALS INC	12,120	$48K	0.41%
4004	RHT1EURRED HAT INC	350	$47K	0.40%
4005	SKYWSKYWEST INC	900	$47K	0.40%
4006	NUANEURNUANCE COMMUNICATIONS INC	3,386	$47K	0.40%
4007	XIFRNEXTERA ENERGY PARTNERS LP	1,000	$47K	0.40%	Call
4008	—ON DECK CAP INC	6,500	$46K	0.39%	Call
4009	—VICAL INC	40,000	$46K	0.39%	Put
4010	—MFA FINL INC	6,100	$46K	0.39%	Put
4011	TPCTUTOR PERINI CORP	2,500	$46K	0.39%	Put
4012	—HEXCEL CORP NEW	700	$46K	0.39%	Call
4013	ARRUSDARMOUR RESIDENTIAL REIT INC	2,035	$46K	0.39%
4014	—COSAN LTD	6,000	$46K	0.39%	Call
4015	—SYNACOR INC	23,000	$46K	0.39%	Call
4016	SBLKSTAR BULK CARRIERS CORP	3,600	$46K	0.39%	Call
4017	—CURIS INC	26,400	$46K	0.39%	Call
4018	AMKRAMKOR TECHNOLOGY INC	5,400	$46K	0.39%	Call
4019	—AMPIO PHARMACEUTICALS INC	20,700	$46K	0.39%	Put
4020	GSMFERROGLOBE PLC	5,200	$45K	0.38%	Call
4021	—SOPHIRIS BIO INC	16,000	$45K	0.38%	Put
4022	QVCAUSDQURATE RETAIL INC	2,105	$45K	0.38%
4023	—DIEBOLD NXDF INC	3,800	$45K	0.38%	Put
4024	—FORTRESS BIOTECH INC	15,200	$45K	0.38%	Call
4025	—ASPEN INSURANCE HOLDINGS LTD	1,100	$45K	0.38%	Call
4026	NVSNOVARTIS A G	600	$45K	0.38%	Put
4027	—HORNBECK OFFSHORE SVCS INC N	11,241	$45K	0.38%
4028	NYMXFNYMOX PHARMACEUTICAL CORP	13,407	$45K	0.38%
4029	—CHINA XD PLASTICS CO LTD	13,900	$45K	0.38%	Call
4030	—GRAN TIERRA ENERGY INC	12,900	$45K	0.38%	Call
4031	LADRLADDER CAP CORP	2,900	$45K	0.38%	Put
4032	—ARQULE INC	8,100	$45K	0.38%	Put
4033	—FLOTEK INDS INC DEL	14,000	$45K	0.38%	Put
4034	—AEROHIVE NETWORKS INC	11,400	$45K	0.38%	Call
4035	R6C2ROYAL DUTCH SHELL PLC	604	$44K	0.38%
4036	—VEDANTA LTD	3,200	$44K	0.38%	Put
4037	PLNTPLANET FITNESS INC	1,000	$44K	0.38%	Put
4038	—NAM TAI PPTY INC	4,000	$44K	0.38%	Call
4039	—K12 INC	2,663	$44K	0.38%
4040	—AEGEAN MARINE PETROLEUM NETW	67,068	$44K	0.38%
4041	POOLWHIRLPOOL CORP	300	$44K	0.38%	Call
4042	MTHMERITAGE HOMES CORP	1,000	$44K	0.38%	Call
4043	—NEOS THERAPEUTICS INC	7,000	$44K	0.38%	Put
4044	—MEDLEY CAP CORP	12,800	$44K	0.38%	Put
4045	—NEVSUN RES LTD	12,700	$44K	0.38%	Call
4046	—PAMPA ENERGIA S A	1,200	$43K	0.37%	Call
4047	CYDCHINA YUCHAI INTL LTD	2,000	$43K	0.37%	Put
4048	ITTITT INC	813	$43K	0.37%
4049	—SYNTEL INC	1,325	$43K	0.37%
4050	DEODIAGEO P L C	300	$43K	0.37%	Put
4051	YEXTYEXT INC	2,200	$43K	0.37%	Call
4052	MCCUSDMEDLEY CAP CORP	12,377	$43K	0.37%
4053	LAZLAZARD LTD	886	$43K	0.37%
4054	BCRXBIOCRYST PHARMACEUTICALS	7,283	$42K	0.36%
4055	—CELLDEX THERAPEUTICS INC NEW	82,530	$42K	0.36%
4056	—SELECTA BIOSCIENCES INC	3,200	$42K	0.36%	Call
4057	VNDAVANDA PHARMACEUTICALS INC	2,200	$42K	0.36%	Call
4058	SKYWSKYWEST INC	800	$42K	0.36%	Call
4059	ALDXALDEYRA THERAPEUTICS INC	5,300	$42K	0.36%	Call
4060	—ADAMIS PHARMACEUTICALS CORP	13,000	$42K	0.36%	Put
4061	CRUSCIRRUS LOGIC INC	1,100	$42K	0.36%	Put
4062	AVAAVISTA CORP	800	$42K	0.36%	Call
4063	—CERNER CORP	700	$42K	0.36%	Put
4064	OSKOSHKOSH CORP	600	$42K	0.36%	Put
4065	REEVEREST RE GROUP LTD	184	$42K	0.36%
4066	BRXBRIXMOR PPTY GROUP INC	2,376	$41K	0.35%
4067	LILALIBERTY LATIN AMERICA LTD	2,148	$41K	0.35%
4068	—AVADEL PHARMACEUTICALS PLC	6,700	$41K	0.35%	Put
4069	—AQUINOX PHARMACEUTICALS INC	15,600	$41K	0.35%	Call
4070	VFCV F CORP	500	$41K	0.35%	Put
4071	—OCH ZIFF CAP MGMT GROUP	21,400	$41K	0.35%	Call
4072	KBRKBR INC	2,300	$41K	0.35%	Call
4073	GIIIG-III APPAREL GROUP LTD	919	$41K	0.35%
4074	SPGIS&P GLOBAL INC	200	$41K	0.35%	Put
4075	TNDMTANDEM DIABETES CARE INC	1,856	$41K	0.35%
4076	CRBPEURCORBUS PHARMACEUTICALS HLDGS	8,094	$41K	0.35%
4077	—QUICKLOGIC CORP	35,766	$41K	0.35%
4078	—ATHERSYS INC	20,490	$40K	0.34%
4079	—VIEWRAY INC	5,800	$40K	0.34%	Call
4080	—TERADATA CORP DEL	1,000	$40K	0.34%	Put
4081	—AUTOWEB INC	8,900	$40K	0.34%
4082	—AK STL HLDG CORP	9,231	$40K	0.34%
4083	—CHINA SOUTHN AIRLS LTD	1,000	$40K	0.34%	Put
4084	—INSTEEL INDUSTRIES INC	1,200	$40K	0.34%	Put
4085	AGIALAMOS GOLD INC NEW	6,950	$40K	0.34%
4086	—SUNESIS PHARMACEUTICALS INC	19,000	$40K	0.34%	Put
4087	HDSNHUDSON TECHNOLOGIES INC	19,200	$39K	0.33%	Put
4088	TPCTUTOR PERINI CORP	2,100	$39K	0.33%	Call
4089	GDDYGODADDY INC	555	$39K	0.33%
4090	TSQTOWNSQUARE MEDIA INC	6,000	$39K	0.33%
4091	YUMYUM BRANDS INC	500	$39K	0.33%	Put
4092	MTWMANITOWOC CO INC	1,500	$39K	0.33%	Call
4093	WKWORKIVA INC	1,600	$39K	0.33%	Call
4094	FBPFIRST BANCORP P R	5,100	$39K	0.33%	Put
4095	—TECH DATA CORP	476	$39K	0.33%
4096	—TRIPLE-S MGMT CORP	1,000	$39K	0.33%	Call
4097	HCIHCI GROUP INC	928	$39K	0.33%
4098	LTHLIFEPOINT HEALTH INC	795	$39K	0.33%
4099	NMRKNEWMARK GROUP INC	2,751	$39K	0.33%
4100	TKRTIMKEN CO	900	$39K	0.33%

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