GROUP ONE TRADING LLC Q4 2018 Filing

Filed February 6, 2019

Portfolio Value

$11.5M

Holdings

4,844

Report Date

Q4 2018

Filing Type

13F-HR

All Holdings (4,844 positions)

#	Stock	Shares	Value	% Portfolio	Type
2901	—HAWAIIAN HOLDINGS INC	6,000	$158K	1.37%	Put
2902	ARESARES MANAGEMENT CORPORATION	8,900	$158K	1.37%	Call
2903	—PROS HOLDINGS INC	5,000	$157K	1.36%	Call
2904	—VEONEER INCORPORATED	6,600	$156K	1.35%	Call
2905	—APPTIO INC	4,100	$156K	1.35%	Call
2906	EVCENTRAVISION COMMUNICATIONS C	53,691	$156K	1.35%
2907	—TRIBUNE PUBG CO NEW	13,800	$156K	1.35%	Call
2908	TGNATEGNA INC	14,359	$156K	1.35%
2909	—HESS MIDSTREAM PARTNERS LP	9,200	$156K	1.35%	Put
2910	RJFRAYMOND JAMES FINANCIAL INC	2,100	$156K	1.35%	Put
2911	—UNILEVER N V	2,900	$156K	1.35%	Put
2912	EXPDEXPEDITORS INTL WASH INC	2,291	$156K	1.35%
2913	BLDRBUILDERS FIRSTSOURCE INC	14,200	$155K	1.34%	Put
2914	—MAG SILVER CORP	21,300	$155K	1.34%	Call
2915	—HABIT RESTAURANTS INC	14,700	$154K	1.33%	Call
2916	—INFINERA CORPORATION	38,700	$154K	1.33%	Put
2917	—PARATEK PHARMACEUTICALS INC	30,000	$154K	1.33%	Call
2918	ZTOZTO EXPRESS CAYMAN INC	9,700	$154K	1.33%	Put
2919	OFGOFG BANCORP	9,300	$153K	1.33%	Put
2920	PLUGPLUG POWER INC	123,500	$153K	1.33%	Call
2921	CMCM1EURCHEETAH MOBILE INC	24,960	$153K	1.33%
2922	—SEATTLE GENETICS INC	2,700	$153K	1.33%	Call
2923	FLXNFLEXION THERAPEUTICS INC	13,482	$153K	1.33%
2924	ARLPALLIANCE RES PARTNER L P	8,800	$153K	1.33%	Call
2925	—PROTEOSTASIS THERAPEUTICS IN	47,000	$152K	1.32%	Call
2926	—NEVRO CORP	3,900	$152K	1.32%	Put
2927	—ADAMIS PHARMACEUTICALS CORP	67,305	$151K	1.31%
2928	NTRSNORTHERN TR CORP	1,805	$151K	1.31%
2929	—OWENS & MINOR INC NEW	23,800	$151K	1.31%	Call
2930	—BROOKDALE SR LIVING INC	22,500	$151K	1.31%	Call
2931	ESPRESPERION THERAPEUTICS INC NE	3,290	$151K	1.31%
2932	—PUBLIC SVC ENTERPRISE GROUP	2,900	$151K	1.31%	Call
2933	—DIAMOND OFFSHORE DRILLING IN	15,900	$150K	1.30%	Put
2934	EVBGEUREVERBRIDGE INC	2,631	$149K	1.29%
2935	—REVLON INC	5,900	$149K	1.29%	Call
2936	JBLJABIL INC	6,000	$149K	1.29%	Put
2937	BCCBOISE CASCADE CO DEL	6,253	$149K	1.29%
2938	NTAPNETAPP INC	2,500	$149K	1.29%	Put
2939	—BALLARD PWR SYS INC NEW	61,800	$148K	1.28%	Call
2940	—PULTE GROUP INC	5,700	$148K	1.28%	Put
2941	CYTKCYTOKINETICS INC	23,400	$148K	1.28%	Put
2942	CNDTCONDUENT INC	13,941	$148K	1.28%
2943	IRWDIRONWOOD PHARMACEUTICALS INC	14,300	$148K	1.28%	Put
2944	TOWNTOWNEBANK PORTSMOUTH VA	6,168	$148K	1.28%
2945	XLFISELECT SECTOR SPDR TR	2,900	$147K	1.27%	Call
2946	GLPGLOBAL PARTNERS LP	9,000	$147K	1.27%	Call
2947	—STERICYCLE INC	4,000	$147K	1.27%	Call
2948	—ACACIA RESH CORP	49,200	$147K	1.27%	Put
2949	LWLAMB WESTON HLDGS INC	2,000	$147K	1.27%	Put
2950	—AMPHENOL CORP NEW	1,800	$146K	1.27%	Call
2951	—ALTRA INDL MOTION CORP	5,800	$146K	1.27%	Put
2952	VCELVERICEL CORP	8,400	$146K	1.27%	Call
2953	—PENNEY J C INC	140,035	$146K	1.27%
2954	—ULTRA PETROLEUM CORP	192,500	$146K	1.27%	Put
2955	—GREENSKY INC	15,259	$146K	1.27%
2956	—TIVITY HEALTH INC	5,900	$146K	1.27%	Put
2957	—APPTIO INC	3,838	$146K	1.27%
2958	—FORTUNA SILVER MINES INC	40,000	$146K	1.27%	Call
2959	GSMFERROGLOBE PLC	91,840	$146K	1.27%
2960	IRINGERSOLL-RAND PLC	1,586	$145K	1.26%
2961	IRMIRON MTN INC NEW	4,478	$145K	1.26%
2962	ALNYALNYLAM PHARMACEUTICALS INC	1,990	$145K	1.26%
2963	QNSTQUINSTREET INC	8,900	$144K	1.25%	Call
2964	—ACCELERON PHARMA INC	3,300	$144K	1.25%	Put
2965	—ARRAY BIOPHARMA INC	10,100	$144K	1.25%	Put
2966	CCXIEURCHEMOCENTRYX INC	13,165	$144K	1.25%
2967	CALMCAL MAINE FOODS INC	3,411	$144K	1.25%
2968	NNBRNN INC	21,388	$144K	1.25%
2969	—FLOTEK INDS INC DEL	130,941	$143K	1.24%
2970	ESTCELASTIC N V	2,000	$143K	1.24%	Put
2971	AMKRAMKOR TECHNOLOGY INC	21,759	$143K	1.24%
2972	—DIEBOLD NXDF INC	57,300	$143K	1.24%	Call
2973	—OFFICE DEPOT INC	55,600	$143K	1.24%	Put
2974	—NORTHERN TR CORP	1,700	$142K	1.23%	Put
2975	ICHRICHOR HOLDINGS	8,703	$142K	1.23%
2976	CAPLCROSSAMERICA PARTNERS LP	10,000	$142K	1.23%	Call
2977	—ULTRA PETROLEUM CORP	186,916	$142K	1.23%
2978	AMSCAMERICAN SUPERCONDUCTOR CORP	12,700	$142K	1.23%	Put
2979	—ETFIS SER TR I	28,202	$142K	1.23%
2980	FLWSFLWS/1-800 FLOWERS	11,600	$142K	1.23%	Call
2981	SWKSSKYWORKS SOLUTIONS INC	2,100	$141K	1.22%	Put
2982	—BLUE HILLS BANCORP INC	6,600	$141K	1.22%	Put
2983	HEESEURH & E EQUIPMENT SERVICES INC	6,900	$141K	1.22%
2984	—NOBLE MIDSTREAM PARTNERS LP	4,900	$141K	1.22%	Call
2985	BCOVUSDBRIGHTCOVE INC	19,958	$141K	1.22%
2986	—SELECT MED HLDGS CORP	9,200	$141K	1.22%	Put
2987	WTTRSELECT ENERGY SVCS INC	22,200	$140K	1.21%	Put
2988	WEXWEX INC	200	$140K	1.21%	Put
2989	—CHINA LIFE INS CO LTD	13,300	$140K	1.21%	Call
2990	OMCOMNICOM GROUP INC	1,900	$139K	1.20%	Put
2991	—COOPER TIRE & RUBR CO	4,300	$139K	1.20%	Put
2992	—BOTTOMLINE TECH DEL INC	2,900	$139K	1.20%	Call
2993	IOVAIOVANCE BIOTHERAPEUTICS INC	15,700	$139K	1.20%	Put
2994	—REXNORD CORP NEW	6,000	$138K	1.20%	Put
2995	VERIVERITONE INC	36,200	$138K	1.20%	Put
2996	MEDMEDIFAST INC	1,100	$138K	1.20%	Call
2997	NWSANEWS CORP NEW	12,100	$137K	1.19%	Put
2998	GSATUSDGLOBALSTAR INC	214,860	$137K	1.19%
2999	—CREE INC	3,200	$137K	1.19%	Put
3000	MLMMARTIN MARIETTA MATLS INC	798	$137K	1.19%

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