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
901	—BMC STK HLDGS INC	18,459	$286K	2.48%
902	—LUXOFT HLDG INC	9,377	$285K	2.47%
903	CQPCHENIERE ENERGY PARTNERS LP	7,900	$285K	2.47%	Put
904	—EVERBRIDGE INC	5,000	$284K	2.46%	Put
905	CSTECAESARSTONE LTD	20,900	$284K	2.46%	Put
906	NOMDNOMAD FOODS LTD	16,950	$283K	2.45%
907	—AVON PRODS INC	185,400	$282K	2.44%	Call
908	—NATIONAL INSTRS CORP	6,200	$281K	2.44%	Put
909	FMCF M C CORP	3,800	$281K	2.44%	Put
910	FNKOFUNKO INC	21,400	$281K	2.44%	Call
911	AMRSEURAMYRIS INC	84,263	$281K	2.44%
912	MFS1EURWELBILT INC	25,299	$281K	2.44%
913	DVNDEVON ENERGY CORP NEW	12,423	$280K	2.43%
914	NTNXNUTANIX INC	6,727	$280K	2.43%
915	—LIFE STORAGE INC	3,000	$279K	2.42%	Put
916	CXWCORECIVIC INC	15,645	$279K	2.42%
917	LFCUSDCHINA LIFE INS CO LTD	26,590	$279K	2.42%
918	—BGC PARTNERS INC	54,000	$279K	2.42%	Call
919	—IMPERVA INC	5,000	$278K	2.41%	Put
920	—AIR TRANSPORT SERVICES GRP I	12,200	$278K	2.41%	Put
921	ROLROLLINS INC	7,700	$278K	2.41%	Put
922	LOMALOMA NEGRA CORP	24,938	$278K	2.41%
923	WECWEC ENERGY GROUP INC	4,000	$277K	2.40%	Call
924	—VALLEY NATL BANCORP	31,200	$277K	2.40%	Put
925	AYS1SANDSTORM GOLD LTD	59,786	$276K	2.39%
926	—NUSTAR ENERGY LP	13,100	$274K	2.38%	Call
927	VSHVISHAY INTERTECHNOLOGY INC	15,200	$274K	2.38%	Call
928	—VENATOR MATLS PLC	65,430	$274K	2.38%
929	GDDYGODADDY INC	4,177	$274K	2.38%
930	—TRAVELPORT WORLDWIDE LTD	17,500	$273K	2.37%	Put
931	UPSUNITED PARCEL SERVICE INC	2,800	$273K	2.37%	Put
932	—ATTUNITY LTD	13,800	$272K	2.36%	Call
933	—CARBON BLACK INC	20,300	$272K	2.36%	Call
934	—TERADATA CORP DEL	7,100	$272K	2.36%	Call
935	BDCBELDEN INC	6,500	$272K	2.36%	Call
936	—HERTZ GLOBAL HLDGS INC	19,851	$271K	2.35%
937	TECKTECK RESOURCES LTD	12,600	$271K	2.35%	Put
938	—PLANTRONICS INC NEW	8,200	$271K	2.35%	Call
939	—2U INC	5,451	$271K	2.35%
940	CVLGCOVENANT TRANSN GROUP INC	14,000	$269K	2.33%	Put
941	—CENTURY ALUM CO	36,800	$269K	2.33%	Put
942	—TERADATA CORP DEL	7,000	$269K	2.33%	Put
943	—SUNCOKE ENERGY PARTNERS L P	25,200	$268K	2.32%	Call
944	HSYHERSHEY CO	2,500	$268K	2.32%	Call
945	AXTIAXT INC	61,416	$267K	2.31%
946	—CABOT MICROELECTRONICS CORP	2,800	$267K	2.31%	Put
947	CDWCDW CORP	3,300	$267K	2.31%	Put
948	—BLUCORA INC	10,000	$266K	2.31%	Call
949	—ADT INC	44,100	$265K	2.30%	Put
950	—VEDANTA LTD	23,000	$265K	2.30%	Put
951	CLBKCOLUMBIA FINL INC	17,350	$265K	2.30%
952	—EMERGE ENERGY SVCS LP	171,836	$265K	2.30%
953	—SANDRIDGE PERMIAN TR	140,400	$265K	2.30%	Put
954	—PLATFORM SPECIALTY PRODS COR	25,663	$265K	2.30%
955	GPREGREEN PLAINS INC	20,100	$264K	2.29%	Call
956	NINISOURCE INC	10,400	$264K	2.29%	Put
957	—SPIRIT RLTY CAP INC NEW	7,500	$264K	2.29%	Call
958	—TRANSCANADA CORP	7,400	$264K	2.29%	Put
959	DDOMINION ENERGY INC	3,700	$264K	2.29%	Put
960	AKAMAKAMAI TECHNOLOGIES INC	4,300	$263K	2.28%	Put
961	SONOSONOS INC	26,748	$263K	2.28%
962	—BROOKFIELD PPTY PARTNERS L P	16,300	$263K	2.28%	Call
963	—SINA CORP	4,900	$263K	2.28%	Call
964	XLBSELECT SECTOR SPDR TR	5,201	$263K	2.28%
965	—ADAMAS PHARMACEUTICALS INC	30,765	$263K	2.28%
966	ACMAECOM	9,900	$262K	2.27%	Call
967	—CHEMOCENTRYX INC	24,000	$262K	2.27%	Call
968	MCMOELIS & CO	7,600	$261K	2.26%	Call
969	—INTREXON CORP	39,900	$261K	2.26%	Put
970	—FLEXION THERAPEUTICS INC	23,100	$261K	2.26%	Call
971	—THERAPEUTICSMD INC	68,300	$260K	2.25%	Put
972	—GAIN CAP HLDGS INC	42,100	$259K	2.25%	Call
973	—ATTUNITY LTD	13,136	$259K	2.25%
974	—BGC PARTNERS INC	50,100	$259K	2.25%	Put
975	VSATVIASAT INC	4,387	$259K	2.25%
976	—ADAMIS PHARMACEUTICALS CORP	114,700	$258K	2.24%	Put
977	SESEA LTD	22,763	$258K	2.24%
978	AVAVAEROVIRONMENT INC	3,800	$258K	2.24%	Put
979	—SERVICE CORP INTL	6,400	$258K	2.24%	Put
980	LGIHLGI HOMES INC	5,700	$258K	2.24%	Put
981	—GTT COMMUNICATIONS INC	10,900	$258K	2.24%	Call
982	PTCPTC INC	3,100	$257K	2.23%	Put
983	SNBRSLEEP NUMBER CORP	8,100	$257K	2.23%	Put
984	PAGPPLAINS GP HLDGS L P	12,800	$257K	2.23%	Put
985	—LINCOLN NATL CORP IND	5,000	$257K	2.23%	Put
986	—TRIVAGO N V	45,400	$256K	2.22%	Call
987	FIVEFIVE BELOW INC	2,500	$256K	2.22%	Put
988	—SPARTANNASH CO	14,900	$256K	2.22%	Put
989	—SORL AUTO PTS INC	135,800	$255K	2.21%	Put
990	—TEXAS CAPITAL BANCSHARES INC	5,000	$255K	2.21%	Call
991	ODPEUROFFICE DEPOT INC	98,653	$255K	2.21%
992	LEGLEGGETT & PLATT INC	7,088	$254K	2.20%
993	—AEROJET ROCKETDYNE HLDGS INC	7,200	$254K	2.20%	Call
994	SHAKSHAKE SHACK INC	5,600	$254K	2.20%	Call
995	MANHMANHATTAN ASSOCS INC	6,000	$254K	2.20%	Call
996	NWSANEWS CORP NEW	22,400	$254K	2.20%	Call
997	PODDINSULET CORP	3,195	$253K	2.19%
998	HTHTHUAZHU GROUP LTD	8,800	$252K	2.18%	Call
999	TCXTUCOWS INC	4,200	$252K	2.18%	Put
1000	TREXTREX CO INC	4,244	$252K	2.18%

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