GROUP ONE TRADING LLC Q3 2019 Filing

Filed November 12, 2019

Portfolio Value

$12.4M

Holdings

5,114

Report Date

Q3 2019

Filing Type

13F-HR

All Holdings (5,114 positions)

#	Stock	Shares	Value	% Portfolio	Type
4101	HYREQHYRECAR INC	15,994	$40K	0.32%
4102	—YRC WORLDWIDE INC	13,200	$40K	0.32%	Put
4103	GPKGRAPHIC PACKAGING HLDG CO	2,700	$40K	0.32%	Put
4104	ENSENERSYS	609	$40K	0.32%
4105	—TALEND S A	1,179	$40K	0.32%
4106	VOCVOC ENERGY TR	7,300	$39K	0.32%	Put
4107	—PERSPECTA INC	1,500	$39K	0.32%	Call
4108	—CF INDS HLDGS INC	800	$39K	0.32%	Put
4109	CXWCORECIVIC INC	2,236	$39K	0.32%
4110	CNKCINEMARK HOLDINGS INC	1,000	$39K	0.32%	Call
4111	—MELINTA THERAPEUTICS INC	10,200	$39K	0.32%	Call
4112	TGTREDEGAR CORP	2,000	$39K	0.32%	Put
4113	—VIVINT SOLAR INC	5,900	$39K	0.32%	Call
4114	—CASA SYS INC	5,000	$39K	0.32%	Call
4115	MXMAGNACHIP SEMICONDUCTOR CORP	3,800	$39K	0.32%	Call
4116	SRJSPARTANNASH CO	3,295	$39K	0.32%
4117	—VOCERA COMMUNICATIONS INC	1,600	$39K	0.32%	Put
4118	USFDUS FOODS HLDG CORP	945	$39K	0.32%
4119	RGNXREGENXBIO INC	1,100	$39K	0.32%	Put
4120	VCRAUSDVOCERA COMMUNICATIONS INC	1,587	$39K	0.32%
4121	ATECALPHATEC HOLDINGS INC	7,800	$39K	0.32%
4122	SKYSKYLINE CHAMPION CORPORATION	1,302	$39K	0.32%
4123	KSSKOHLS CORP	770	$38K	0.31%
4124	UISUNISYS CORP	5,113	$38K	0.31%
4125	—DURECT CORP	20,500	$38K	0.31%	Put
4126	TCE2CELLDEX THERAPEUTICS INC NEW	17,837	$38K	0.31%
4127	—SITE CENTERS CORP	2,500	$38K	0.31%	Put
4128	TUSKMAMMOTH ENERGY SVCS INC	15,300	$38K	0.31%	Put
4129	BRKRBRUKER CORP	876	$38K	0.31%
4130	LOMALOMA NEGRA CORP	6,611	$38K	0.31%
4131	—NOVELION THERAPEUTICS INC	52,068	$38K	0.31%
4132	SNDXSYNDAX PHARMACEUTICALS INC	5,000	$37K	0.30%	Put
4133	SIEBSIEBERT FINL CORP	4,000	$37K	0.30%	Put
4134	—ARCH COAL INC	500	$37K	0.30%	Put
4135	AEPAMERICAN ELEC PWR CO INC	400	$37K	0.30%	Put
4136	—SEASPINE HLDGS CORP	3,000	$37K	0.30%	Put
4137	OLNOLIN CORP	2,000	$37K	0.30%	Put
4138	XNETXUNLEI LTD	15,999	$37K	0.30%
4139	—CHUYS HLDGS INC	1,500	$37K	0.30%	Put
4140	DAKTDAKTRONICS INC	5,043	$37K	0.30%
4141	PGPROCTER & GAMBLE CO	300	$37K	0.30%
4142	—COTT CORP QUE	3,000	$37K	0.30%	Put
4143	ARCTARCTURUS THERAPEUTICS HLDG I	3,600	$37K	0.30%	Call
4144	—TUFIN SOFTWARE TECHNOLOGIS L	2,200	$36K	0.29%	Call
4145	—CONSTELLIUM SE	2,800	$36K	0.29%	Put
4146	TUSKMAMMOTH ENERGY SVCS INC	14,556	$36K	0.29%
4147	SKYSKYLINE CHAMPION CORPORATION	1,200	$36K	0.29%	Call
4148	BXCBLUELINX HLDGS INC	1,111	$36K	0.29%
4149	NBRNABORS INDUSTRIES LTD	19,300	$36K	0.29%
4150	—MGM GROWTH PPTYS LLC	1,209	$36K	0.29%
4151	DYT1DYNEX CAP INC	2,450	$36K	0.29%
4152	—SESEN BIO INC	31,000	$36K	0.29%	Call
4153	—ADT INC	5,700	$36K	0.29%	Put
4154	WPPWPP PLC NEW	568	$36K	0.29%
4155	—BLACKSTONE MTG TR INC	1,000	$36K	0.29%	Put
4156	AZULQAZUL S A	995	$36K	0.29%
4157	SSTKSHUTTERSTOCK INC	1,000	$36K	0.29%	Put
4158	—WESTPORT FUEL SYSTEMS INC	12,900	$35K	0.28%	Call
4159	ASURASURE SOFTWARE INC	5,200	$35K	0.28%	Call
4160	—MERRIMACK PHARMACEUTICALS IN	7,700	$35K	0.28%	Call
4161	—CHANGE HEALTHCARE INC	2,900	$35K	0.28%	Put
4162	RGRSTURM RUGER & CO INC	837	$35K	0.28%
4163	—ENTERGY CORP NEW	300	$35K	0.28%	Put
4164	—PACIFIC COAST OIL TR	17,600	$35K	0.28%	Put
4165	PACBPACIFIC BIOSCIENCES CALIF IN	6,700	$35K	0.28%	Call
4166	—PVH CORP	400	$35K	0.28%	Call
4167	—LIVENT CORP	5,200	$35K	0.28%	Call
4168	—NAVIDEA BIOPHARMACEUTICALS I	50,000	$35K	0.28%	Put
4169	UISUNISYS CORP	4,700	$35K	0.28%	Call
4170	—ON DECK CAP INC	10,500	$35K	0.28%	Call
4171	KYNKAYNE ANDERSN MLP MIDS INVT	2,400	$35K	0.28%
4172	—PROTEOSTASIS THERAPEUTICS IN	42,000	$35K	0.28%	Put
4173	PRSPPERSPECTA INC	1,331	$35K	0.28%
4174	CMRECOSTAMARE INC	5,700	$35K	0.28%	Put
4175	RBBNRIBBON COMMUNICATIONS INC	5,900	$34K	0.27%
4176	OSURORASURE TECHNOLOGIES INC	4,600	$34K	0.27%	Call
4177	DNLIDENALI THERAPEUTICS INC	2,200	$34K	0.27%
4178	—MAG SILVER CORP	3,200	$34K	0.27%	Call
4179	PRGSPROGRESS SOFTWARE CORP	900	$34K	0.27%	Call
4180	TRMKTRUSTMARK CORP	1,000	$34K	0.27%	Put
4181	—T2 BIOSYSTEMS INC	13,574	$34K	0.27%
4182	BKUBANKUNITED INC	1,000	$34K	0.27%	Call
4183	UEOWESTLAKE CHEM CORP	521	$34K	0.27%
4184	PCRXPACIRA BIOSCIENCES	900	$34K	0.27%	Call
4185	ADPTADAPTIVE BIOTECHNOLOGIES COR	1,100	$34K	0.27%	Call
4186	—LIPOCINE INC NEW	11,700	$33K	0.27%	Put
4187	FSSFEDERAL SIGNAL CORP	1,000	$33K	0.27%	Call
4188	—FANG HLDGS LTD	15,006	$33K	0.27%
4189	—KINDRED BIOSCIENCES INC	4,800	$33K	0.27%
4190	IGCINDIA GLOBALIZATION CAP INC	33,500	$33K	0.27%	Call
4191	—AGILE THERAPEUTICS INC	27,563	$33K	0.27%
4192	ALDXALDEYRA THERAPEUTICS INC	6,263	$33K	0.27%
4193	SU6SURMODICS INC	717	$33K	0.27%
4194	OCULOCULAR THERAPEUTIX INC	11,000	$33K	0.27%	Put
4195	—SUNESIS PHARMACEUTICALS INC	45,881	$33K	0.27%
4196	—ACELRX PHARMACEUTICALS INC	14,482	$32K	0.26%
4197	BXCBLUELINX HLDGS INC	1,000	$32K	0.26%	Call
4198	BRYBERRY PETE CORP	3,368	$32K	0.26%
4199	GGGGRACO INC	700	$32K	0.26%	Call
4200	—GLYCOMIMETICS INC	7,400	$32K	0.26%	Put

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