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
3901	HAMHARMONY GOLD MNG LTD	35,621	$59K	0.47%
3902	NEONEOGENOMICS INC	3,848	$59K	0.47%
3903	—SYKES ENTERPRISES INC	1,924	$59K	0.47%
3904	CLNECLEAN ENERGY FUELS CORP	22,800	$59K	0.47%	Call
3905	BHRBRAEMAR HOTELS & RESORTS INC	5,000	$59K	0.47%	Call
3906	ALSALLSTATE CORP	593	$59K	0.47%
3907	—ADTALEM GLOBAL ED INC	1,200	$58K	0.46%	Call
3908	—ARATANA THERAPEUTICS INC	10,000	$58K	0.46%	Call
3909	GRMNGARMIN LTD	830	$58K	0.46%
3910	USACUSA COMPRESSION PARTNERS LP	3,496	$58K	0.46%
3911	—SUNESIS PHARMACEUTICALS INC	28,938	$58K	0.46%
3912	RRXREGAL BELOIT CORP	700	$58K	0.46%
3913	NNNNATIONAL RETAIL PPTYS INC	1,300	$58K	0.46%	Call
3914	CRCCANADIAN NAT RES LTD	1,774	$58K	0.46%
3915	—VONAGE HLDGS CORP	4,100	$58K	0.46%
3916	—NII HLDGS INC	9,900	$58K	0.46%	Put
3917	—CALITHERA BIOSCIENCES INC	11,000	$58K	0.46%	Call
3918	AXSAXIS CAPITAL HOLDINGS LTD	1,000	$58K	0.46%	Call
3919	—DBV TECHNOLOGIES S A	2,600	$58K	0.46%	Put
3920	NGGNATIONAL GRID PLC	1,100	$57K	0.45%	Put
3921	ATHMAUTOHOME INC	736	$57K	0.45%
3922	BLDTOPBUILD CORP	1,000	$57K	0.45%	Call
3923	—RIGNET INC	2,802	$57K	0.45%
3924	—HORIZON GLOBAL CORP	8,000	$57K	0.45%	Call
3925	—COMPANHIA SIDERURGICA NACION	25,000	$57K	0.45%	Put
3926	—TRANSCANADA CORP	1,400	$57K	0.45%	Put
3927	—MEDICAL PPTYS TRUST INC	3,800	$57K	0.45%	Call
3928	—CONVERGYS CORP	2,400	$57K	0.45%	Call
3929	—XCERRA CORP	3,900	$56K	0.44%
3930	—OBSIDIAN ENERGY LTD	59,200	$56K	0.44%	Call
3931	—ACELRX PHARMACEUTICALS INC	14,545	$56K	0.44%
3932	—ATHERSYS INC	26,500	$56K	0.44%	Put
3933	CGNXCOGNEX CORP	1,000	$56K	0.44%	Put
3934	ACICUNITED INS HLDGS CORP	2,500	$56K	0.44%	Call
3935	HHYATT HOTELS CORP	709	$56K	0.44%
3936	—CALADRIUS BIOSCIENCES INC	9,500	$56K	0.44%	Put
3937	CARGCARGURUS INC	1,000	$56K	0.44%	Put
3938	KEYKEYCORP NEW	2,800	$56K	0.44%	Put
3939	—WESCO AIRCRAFT HLDGS INC	5,000	$56K	0.44%	Call
3940	—CONSTELLIUM NV	4,500	$56K	0.44%	Put
3941	FBPFIRST BANCORP P R	6,200	$56K	0.44%	Put
3942	—SCORPIO TANKERS INC	28,000	$56K	0.44%	Put
3943	FPIFARMLAND PARTNERS INC	8,400	$56K	0.44%	Call
3944	—TEEKAY LNG PARTNERS L P	3,354	$56K	0.44%
3945	—AIMMUNE THERAPEUTICS INC	2,000	$55K	0.43%	Call
3946	—KEYW HLDG CORP	6,400	$55K	0.43%	Call
3947	—DIPLOMAT PHARMACY INC	2,826	$55K	0.43%
3948	SJIEURSOUTH JERSEY INDS INC	1,559	$55K	0.43%
3949	OIIOCEANEERING INTL INC	2,000	$55K	0.43%	Put
3950	—IMMUNE DESIGN CORP	15,900	$55K	0.43%	Call
3951	—SUMMIT MATLS INC	3,000	$55K	0.43%	Put
3952	AROCARCHROCK INC	4,500	$55K	0.43%	Put
3953	LPXLOUISIANA PAC CORP	2,072	$55K	0.43%
3954	—IDERA PHARMACEUTICALS INC	6,200	$55K	0.43%	Put
3955	TDCTERADATA CORP DEL	1,457	$55K	0.43%
3956	MPWRMONOLITHIC PWR SYS INC	442	$55K	0.43%
3957	MRCYMERCURY SYS INC	1,000	$55K	0.43%	Put
3958	RESRPC INC	3,500	$54K	0.43%	Put
3959	—GOOSEHEAD INS INC	1,600	$54K	0.43%	Put
3960	XBITXBIOTECH INC	17,111	$54K	0.43%
3961	—LEAF GROUP LTD	5,400	$54K	0.43%	Call
3962	—JACOBS ENGR GROUP INC DEL	700	$54K	0.43%	Put
3963	LADRLADDER CAP CORP	3,200	$54K	0.43%	Call
3964	CPRXCATALYST PHARMACEUTICALS INC	14,306	$54K	0.43%
3965	—WINDSTREAM HLDGS INC	11,000	$54K	0.43%	Put
3966	—MEDICAL PPTYS TRUST INC	3,600	$54K	0.43%	Put
3967	CMRECOSTAMARE INC	8,100	$53K	0.42%	Call
3968	—BALLARD PWR SYS INC NEW	12,400	$53K	0.42%	Put
3969	—ENERGY FOCUS INC	25,900	$53K	0.42%	Put
3970	AORTCRYOLIFE INC	1,500	$53K	0.42%	Call
3971	—TE CONNECTIVITY LTD	600	$53K	0.42%	Call
3972	—NAVIOS MARITIME PARTNERS L P	30,200	$53K	0.42%	Put
3973	LXRXLEXICON PHARMACEUTICALS INC	5,000	$53K	0.42%	Call
3974	NAKNORTHERN DYNASTY MINERALS LT	94,200	$53K	0.42%	Call
3975	—OPHTHOTECH CORP	22,200	$52K	0.41%	Call
3976	PDCOEURPATTERSON COMPANIES INC	2,108	$52K	0.41%
3977	—CONTROL4 CORP	1,500	$52K	0.41%	Put
3978	ABEVAMBEV SA	11,473	$52K	0.41%
3979	BRBROADRIDGE FINL SOLUTIONS IN	395	$52K	0.41%
3980	—CERNER CORP	800	$52K	0.41%	Put
3981	—ZAGG INC	3,500	$52K	0.41%	Put
3982	—VIVEVE MED INC	19,100	$51K	0.40%
3983	GOROGOLD RESOURCE CORP	9,900	$51K	0.40%	Call
3984	NOAHNOAH HLDGS LTD	1,200	$51K	0.40%	Put
3985	—FUELCELL ENERGY INC	47,800	$51K	0.40%	Call
3986	—NYMOX PHARMACEUTICAL CORP	20,900	$51K	0.40%	Call
3987	—GTX INC DEL	32,200	$51K	0.40%	Call
3988	HRIHERC HLDGS INC	1,000	$51K	0.40%	Call
3989	—ORGANOVO HLDGS INC	44,500	$51K	0.40%	Put
3990	—ALTA MESA RES INC	12,086	$51K	0.40%
3991	RGRSTURM RUGER & CO INC	741	$51K	0.40%
3992	—AMERIGAS PARTNERS L P	1,300	$51K	0.40%	Call
3993	TKCTURKCELL ILETISIM HIZMETLERI	10,400	$50K	0.40%	Put
3994	—MID AMER APT CMNTYS INC	500	$50K	0.40%	Call
3995	—CYMABAY THERAPEUTICS INC	4,500	$50K	0.40%	Call
3996	TKRTIMKEN CO	1,000	$50K	0.40%	Put
3997	—SRC ENERGY INC	5,600	$50K	0.40%	Put
3998	—MAGICJACK VOCALTEC LTD	6,000	$50K	0.40%
3999	—SCYNEXIS INC	41,300	$50K	0.40%	Call
4000	ABEVAMBEV SA	11,000	$50K	0.40%	Put

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