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
4101	CMCCOMMERCIAL METALS CO	1,867	$39K	0.33%
4102	HDSNHUDSON TECHNOLOGIES INC	19,200	$39K	0.33%	Put
4103	—AT HOME GROUP INC	1,000	$39K	0.33%	Put
4104	—CHIPMOS TECHNOLOGIES INC	2,500	$38K	0.32%	Put
4105	LGNDLIGAND PHARMACEUTICALS INC	185	$38K	0.32%
4106	—GLADSTONE INVT CORP	3,200	$38K	0.32%	Call
4107	—AU OPTRONICS CORP	9,100	$38K	0.32%	Put
4108	CPRXCATALYST PHARMACEUTICALS INC	12,224	$38K	0.32%
4109	VPGVISHAY PRECISION GROUP INC	1,000	$38K	0.32%	Put
4110	GSGISHARES S&P GSCI COMMODITY I	2,100	$38K	0.32%	Call
4111	EQNREQUINOR ASA	1,455	$38K	0.32%
4112	—FUELCELL ENERGY INC	29,100	$38K	0.32%	Put
4113	—AVID BIOSERVICES INC	9,600	$38K	0.32%	Call
4114	SMTCSEMTECH CORP	800	$38K	0.32%	Call
4115	PEGAPEGASYSTEMS INC	700	$38K	0.32%	Call
4116	—COMMERCIAL VEH GROUP INC	5,000	$37K	0.32%	Call
4117	—NEOS THERAPEUTICS INC	5,953	$37K	0.32%
4118	AAGILENT TECHNOLOGIES INC	600	$37K	0.32%	Put
4119	07SSECUREWORKS CORP	2,957	$37K	0.32%
4120	DFINDONNELLEY FINL SOLUTIONS INC	2,149	$37K	0.32%
4121	DNOWNOW INC	2,800	$37K	0.32%	Call
4122	FLEXFLEX LTD	2,600	$37K	0.32%	Put
4123	RVTYPERKINELMER INC	500	$37K	0.32%	Call
4124	—NOBILIS HEALTH CORP	30,637	$37K	0.32%
4125	VVVVALVOLINE INC	1,700	$37K	0.32%	Call
4126	BZHBEAZER HOMES USA INC	2,500	$37K	0.32%	Put
4127	—WINDSTREAM HLDGS INC	7,038	$37K	0.32%
4128	SSNCSS&C TECHNOLOGIES HLDGS INC	700	$36K	0.31%	Call
4129	LXLEXINFINTECH HLDGS LTD	2,900	$36K	0.31%	Put
4130	HOPEHOPE BANCORP INC	2,000	$36K	0.31%	Call
4131	KMTKENNAMETAL INC	1,000	$36K	0.31%	Put
4132	NVDANVIDIA CORP	152	$36K	0.31%
4133	—INFINITY PHARMACEUTICALS INC	19,000	$36K	0.31%	Put
4134	—T2 BIOSYSTEMS INC	4,594	$36K	0.31%
4135	EVEUREATON VANCE CORP	683	$36K	0.31%
4136	—MAKEMYTRIP LIMITED MAURITIUS	1,000	$36K	0.31%	Put
4137	—CARE COM INC	1,700	$36K	0.31%
4138	—LIPOCINE INC NEW	27,900	$36K	0.31%	Put
4139	—INPHI CORP	1,100	$36K	0.31%	Put
4140	JBGSJBG SMITH PPTYS	1,000	$36K	0.31%	Call
4141	ACLSAXCELIS TECHNOLOGIES INC	1,800	$36K	0.31%	Call
4142	—PEOPLES UNITED FINANCIAL INC	2,000	$36K	0.31%	Call
4143	—CAI INTERNATIONAL INC	1,500	$35K	0.30%	Put
4144	—HABIT RESTAURANTS INC	3,500	$35K	0.30%	Call
4145	PLABPHOTRONICS INC	4,400	$35K	0.30%	Call
4146	—TRANSCANADA CORP	800	$35K	0.30%	Put
4147	—DISCOVER FINL SVCS	500	$35K	0.30%	Put
4148	—BRITISH AMERN TOB PLC	700	$35K	0.30%	Call
4149	—TARO PHARMACEUTICAL INDS LTD	300	$35K	0.30%	Call
4150	—MARATHON PATENT GROUP INC	38,394	$35K	0.30%
4151	BDNBRANDYWINE RLTY TR	2,100	$35K	0.30%	Put
4152	—TREVENA INC	24,443	$35K	0.30%
4153	PXLWPIXELWORKS INC	9,700	$35K	0.30%	Call
4154	—MGIC INVT CORP WIS	3,300	$35K	0.30%	Put
4155	—PROSHARES TR II	1,200	$35K	0.30%	Put
4156	—AVID BIOSERVICES INC	8,900	$35K	0.30%	Put
4157	CRBPCORBUS PHARMACEUTICALS HLDGS	6,800	$34K	0.29%	Call
4158	CALCALERES INC	1,000	$34K	0.29%	Call
4159	—UMPQUA HLDGS CORP	1,500	$34K	0.29%	Call
4160	NGGNATIONAL GRID PLC	600	$34K	0.29%	Call
4161	—KALA PHARMACEUTICALS INC	2,500	$34K	0.29%	Put
4162	—PARTY CITY HOLDCO INC	2,200	$34K	0.29%	Put
4163	UISUNISYS CORP	2,600	$34K	0.29%
4164	KRNTKORNIT DIGITAL LTD	1,927	$34K	0.29%
4165	BNFTEURBENEFITFOCUS INC	1,000	$34K	0.29%
4166	FSC1EUROAKTREE SPECIALTY LENDING CO	7,025	$34K	0.29%
4167	—BARNES & NOBLE ED INC	6,000	$34K	0.29%	Call
4168	WHDCACTUS INC	1,000	$34K	0.29%	Put
4169	ATSG*AIR TRANSPORT SERVICES GRP I	1,490	$34K	0.29%
4170	—NANOSTRING TECHNOLOGIES INC	2,500	$34K	0.29%	Call
4171	CGENCOMPUGEN LTD	10,200	$34K	0.29%	Call
4172	—SERVICESOURCE INTL INC	8,515	$34K	0.29%
4173	DKLDELEK LOGISTICS PARTNERS LP	1,192	$33K	0.28%
4174	OTXOPEN TEXT CORP	935	$33K	0.28%
4175	CVLTCOMMVAULT SYSTEMS INC	500	$33K	0.28%	Call
4176	AJRDEURAEROJET ROCKETDYNE HLDGS INC	1,109	$33K	0.28%
4177	CLNECLEAN ENERGY FUELS CORP	9,000	$33K	0.28%	Put
4178	LOMALOMA NEGRA CORP	3,200	$33K	0.28%	Call
4179	—ARCH COAL INC	416	$33K	0.28%
4180	AXSAXIS CAPITAL HOLDINGS LTD	600	$33K	0.28%	Call
4181	DAYCERIDIAN HCM HLDG INC	1,000	$33K	0.28%
4182	GNEGENIE ENERGY LTD	6,649	$33K	0.28%
4183	NMIHNMI HLDGS INC	2,000	$33K	0.28%	Call
4184	STAGSTAG INDL INC	1,200	$33K	0.28%	Put
4185	—BIG 5 SPORTING GOODS CORP	4,400	$33K	0.28%	Put
4186	—SUNCOKE ENERGY PARTNERS L P	2,200	$33K	0.28%	Put
4187	—FOAMIX PHARMACEUTICALS LTD	6,633	$33K	0.28%
4188	LPXLOUISIANA PAC CORP	1,200	$33K	0.28%	Call
4189	—SYROS PHARMACEUTICALS INC	3,235	$33K	0.28%
4190	ADAPYADAPTIMMUNE THERAPEUTICS PLC	2,759	$33K	0.28%
4191	NOG1EURNORTHERN OIL & GAS INC NEV	10,348	$33K	0.28%
4192	VECOVEECO INSTRS INC DEL	2,343	$33K	0.28%
4193	—COOPER TIRE & RUBR CO	1,200	$32K	0.27%	Put
4194	AMSCAMERICAN SUPERCONDUCTOR CORP	4,500	$32K	0.27%	Put
4195	—REVOLUTION LIGHTING TECHNOLO	8,060	$32K	0.27%
4196	—NEVSUN RES LTD	9,346	$32K	0.27%
4197	EVREVERCORE INC	300	$32K	0.27%	Call
4198	WLKWESTLAKE CHEM CORP	300	$32K	0.27%	Call
4199	—ENZO BIOCHEM INC	6,200	$32K	0.27%	Put
4200	CAASCHINA AUTOMOTIVE SYS INC	7,400	$32K	0.27%	Put

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