GROUP ONE TRADING LLC Q3 2018 Filing

Filed November 8, 2018

Portfolio Value

$12.7M

Holdings

5,172

Report Date

Q3 2018

Filing Type

13F-HR

All Holdings (5,172 positions)

#	Stock	Shares	Value	% Portfolio	Type
901	—NOVAGOLD RES INC	92,700	$344K	2.72%	Put
902	—SHIP FINANCE INTERNATIONAL L	24,757	$344K	2.72%
903	EVHEVOLENT HEALTH INC	12,081	$343K	2.71%
904	WELLWELLTOWER INC	5,318	$342K	2.70%
905	—MOMENTA PHARMACEUTICALS INC	13,000	$342K	2.70%	Put
906	ETRENTERGY CORP NEW	4,200	$341K	2.69%
907	—MEDNAX INC	7,300	$341K	2.69%	Put
908	EAFGRAFTECH INTL LTD	17,500	$341K	2.69%	Call
909	FMCF M C CORP	3,900	$340K	2.69%	Put
910	PETSPETMED EXPRESS INC	10,300	$340K	2.69%	Put
911	BNSBANK N S HALIFAX	5,700	$340K	2.69%	Call
912	RYAMRAYONIER ADVANCED MATLS INC	18,400	$339K	2.68%	Call
913	BJRIBJS RESTAURANTS INC	4,700	$339K	2.68%	Call
914	FFIVF5 NETWORKS INC	1,700	$339K	2.68%	Call
915	AAPADVANCE AUTO PARTS INC	2,000	$337K	2.66%	Call
916	—CHEETAH MOBILE INC	34,200	$336K	2.66%	Put
917	5TCTRUECAR INC	23,742	$335K	2.65%
918	—LUMBER LIQUIDATORS HLDGS INC	21,600	$335K	2.65%	Call
919	—ADTALEM GLOBAL ED INC	6,900	$333K	2.63%	Put
920	—TRANSCANADA CORP	8,200	$332K	2.62%	Call
921	—NIC INC	22,400	$332K	2.62%	Call
922	—ATARA BIOTHERAPEUTICS INC	8,000	$331K	2.62%	Call
923	—ATHENE HLDG LTD	6,400	$331K	2.62%	Call
924	ALKSALKERMES PLC	7,800	$331K	2.62%	Put
925	—MEDALLION FINL CORP	49,500	$329K	2.60%	Call
926	ANABANAPTYSBIO INC	3,300	$329K	2.60%	Put
927	KRNTKORNIT DIGITAL LTD	15,000	$329K	2.60%	Put
928	HDBHDFC BANK LTD	3,500	$329K	2.60%	Call
929	SRGSERITAGE GROWTH PPTYS	6,938	$329K	2.60%
930	MANHMANHATTAN ASSOCS INC	6,000	$328K	2.59%	Call
931	—BLUEPRINT MEDICINES CORP	4,200	$328K	2.59%	Call
932	AVXLANAVEX LIFE SCIENCES CORP	120,030	$328K	2.59%
933	SOHUSOHU COM LTD	16,500	$328K	2.59%	Put
934	—ORCHIDS PAPER PRODS CO DEL	99,100	$327K	2.58%	Put
935	—CASA SYS INC	22,200	$327K	2.58%	Call
936	—FANHUA INC	12,100	$327K	2.58%	Call
937	—MOMENTA PHARMACEUTICALS INC	12,400	$326K	2.58%	Call
938	—BMC STK HLDGS INC	17,500	$326K	2.58%	Put
939	SQMSOCIEDAD QUIMICA MINERA DE C	7,130	$326K	2.58%
940	—PETROCHINA CO LTD	4,000	$326K	2.58%	Call
941	SIGASIGA TECHNOLOGIES INC	47,200	$325K	2.57%	Call
942	—NEXTGEN HEALTHCARE INC	16,200	$325K	2.57%	Call
943	—CARBONITE INC	9,100	$324K	2.56%	Call
944	—SUNPOWER CORP	44,200	$323K	2.55%	Put
945	—SUNPOWER CORP	44,200	$323K	2.55%	Call
946	—MIMECAST LTD	7,706	$323K	2.55%
947	—EVERBRIDGE INC	5,600	$323K	2.55%	Put
948	BNSBANK N S HALIFAX	5,400	$322K	2.54%
949	—U S CONCRETE INC	7,000	$321K	2.54%	Put
950	SPPIUSDSPECTRUM PHARMACEUTICALS INC	19,106	$321K	2.54%
951	PTCPTC INC	3,000	$319K	2.52%	Put
952	UPLDUPLAND SOFTWARE INC	9,884	$319K	2.52%
953	—GLOBAL PMTS INC	2,500	$319K	2.52%	Put
954	—TRONOX LTD	26,700	$319K	2.52%	Put
955	BECNUSDBEACON ROOFING SUPPLY INC	8,812	$319K	2.52%
956	—QUIDEL CORP	4,900	$319K	2.52%	Put
957	—CHINA LIFE INS CO LTD	28,000	$319K	2.52%	Put
958	—PLURISTEM THERAPEUTICS INC	244,900	$318K	2.51%	Call
959	MEDPMEDPACE HLDGS INC	5,300	$318K	2.51%	Call
960	STWDSTARWOOD PPTY TR INC	14,760	$318K	2.51%
961	HP5AEQUITY COMWLTH	9,902	$318K	2.51%
962	RDNRADIAN GROUP INC	15,400	$318K	2.51%	Call
963	GELGENESIS ENERGY L P	13,300	$316K	2.50%	Put
964	ERICERICSSON	35,900	$316K	2.50%	Put
965	—DIPLOMAT PHARMACY INC	16,300	$316K	2.50%	Put
966	BYDBOYD GAMING CORP	9,344	$316K	2.50%
967	SMTCSEMTECH CORP	5,665	$315K	2.49%
968	—OBSIDIAN ENERGY LTD	332,000	$315K	2.49%	Put
969	—LUMINEX CORP DEL	10,400	$315K	2.49%	Put
970	CORTCORCEPT THERAPEUTICS INC	22,400	$314K	2.48%	Call
971	PHPARKER HANNIFIN CORP	1,700	$313K	2.47%	Call
972	—TAHOE RES INC	112,230	$313K	2.47%
973	NSCNORFOLK SOUTHERN CORP	1,730	$312K	2.47%
974	—NIO INC	44,500	$311K	2.46%	Call
975	PAYCPAYCOM SOFTWARE INC	2,000	$311K	2.46%	Call
976	—CREE INC	8,200	$311K	2.46%	Put
977	JELDJELD-WEN HLDG INC	12,600	$311K	2.46%	Call
978	—ZYNERBA PHARMACEUTICALS INC	38,100	$311K	2.46%	Call
979	WPWORLDPAY INC	3,069	$311K	2.46%
980	—VULCAN MATLS CO	2,800	$311K	2.46%	Call
981	—HOSTESS BRANDS INC	28,000	$310K	2.45%	Put
982	HPHELMERICH & PAYNE INC	4,500	$309K	2.44%	Call
983	—ACHAOGEN INC	77,400	$309K	2.44%	Call
984	—EVERI HLDGS INC	33,700	$309K	2.44%	Put
985	EVCENTRAVISION COMMUNICATIONS C	62,966	$309K	2.44%
986	DQDAQO NEW ENERGY CORP	11,800	$308K	2.43%	Call
987	NINISOURCE INC	12,300	$307K	2.43%	Put
988	CLNECLEAN ENERGY FUELS CORP	118,126	$307K	2.43%
989	—PACKAGING CORP AMER	2,800	$307K	2.43%	Call
990	DQDAQO NEW ENERGY CORP	11,728	$306K	2.42%
991	KOCOCA COLA FEMSA S A B DE C V	5,000	$306K	2.42%	Put
992	—INVITAE CORP	18,300	$306K	2.42%	Put
993	NNBRNN INC	19,600	$306K	2.42%	Put
994	—WRIGHT MED GROUP N V	10,500	$305K	2.41%	Put
995	—CRESTWOOD EQUITY PARTNERS LP	8,300	$305K	2.41%	Call
996	—AMERICAN RAILCAR INDS INC	6,600	$304K	2.40%	Call
997	CARGCARGURUS INC	5,433	$303K	2.39%
998	—EP ENERGY CORP	129,256	$302K	2.39%
999	—BROOKDALE SR LIVING INC	30,700	$302K	2.39%	Put
1000	DDOMINION ENERGY INC	4,300	$302K	2.39%	Put

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