GROUP ONE TRADING LLC Q1 2018 Filing

Filed May 11, 2018

Portfolio Value

$10.5M

Holdings

4,806

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (4,806 positions)

#	Stock	Shares	Value	% Portfolio	Type
3901	—ORANGE	1,900	$32K	0.30%	Put
3902	PDEURPRECISION DRILLING CORP	11,499	$32K	0.30%
3903	PUMPPROPETRO HLDG CORP	2,000	$32K	0.30%	Call
3904	—SOUTHCROSS ENERGY PARTNERS L	19,700	$32K	0.30%	Call
3905	—CVR REFNG LP	2,468	$32K	0.30%
3906	—CHINA UNICOM (HONG KONG) LTD	2,500	$32K	0.30%	Call
3907	RDVTRED VIOLET INC	5,245	$32K	0.30%
3908	CALXCALIX INC	4,600	$32K	0.30%	Call
3909	IRWDIRONWOOD PHARMACEUTICALS INC	2,100	$32K	0.30%	Put
3910	—VICAL INC	22,000	$32K	0.30%	Put
3911	DSEURDRIVE SHACK INC	6,658	$32K	0.30%
3912	TERTERADYNE INC	700	$32K	0.30%	Put
3913	VNDAVANDA PHARMACEUTICALS INC	1,900	$32K	0.30%	Put
3914	—INTEGRATED DEVICE TECHNOLOGY	1,000	$31K	0.29%	Put
3915	—GOLAR LNG PARTNERS LP	1,823	$31K	0.29%
3916	SNDRSCHNEIDER NATIONAL INC	1,200	$31K	0.29%
3917	GYRECATALYST BIOSCIENCES INC	1,215	$31K	0.29%
3918	MTWMANITOWOC CO INC	1,100	$31K	0.29%	Put
3919	UPSUNITED PARCEL SERVICE INC	295	$31K	0.29%
3920	—YORK WTR CO	1,000	$31K	0.29%	Put
3921	—GENOMIC HEALTH INC	1,000	$31K	0.29%	Call
3922	WTSWATTS WATER TECHNOLOGIES INC	400	$31K	0.29%	Call
3923	—BIOTELEMETRY INC	1,000	$31K	0.29%	Call
3924	—AQUA METALS INC	12,000	$31K	0.29%	Call
3925	TGBTASEKO MINES LTD	26,622	$31K	0.29%
3926	NHTCNATURAL HEALTH TRENDS CORP	1,624	$31K	0.29%
3927	WCCWESCO INTL INC	500	$31K	0.29%	Call
3928	—VEECO INSTRS INC DEL	1,800	$31K	0.29%	Call
3929	BHPBHP BILLITON LTD	700	$31K	0.29%	Put
3930	—STAGE STORES INC	13,900	$30K	0.28%	Put
3931	GDOTGREEN DOT CORP	468	$30K	0.28%
3932	—TIVO CORP	2,200	$30K	0.28%	Call
3933	—CHINA UNICOM (HONG KONG) LTD	2,351	$30K	0.28%
3934	BWABORGWARNER INC	600	$30K	0.28%	Call
3935	DATATABLEAU SOFTWARE INC	375	$30K	0.28%
3936	DXCMDEXCOM INC	400	$30K	0.28%	Call
3937	ATRAGBXATARA BIOTHERAPEUTICS INC	762	$30K	0.28%
3938	—TETRAPHASE PHARMACEUTICALS I	9,700	$30K	0.28%	Call
3939	—ELLIE MAE INC	322	$30K	0.28%
3940	UNVREURUNIVAR INC	1,068	$30K	0.28%
3941	VYGRVOYAGER THERAPEUTICS INC	1,600	$30K	0.28%	Call
3942	—INOVIO PHARMACEUTICALS INC	6,300	$30K	0.28%	Put
3943	BTEBAYTEX ENERGY CORP	11,100	$30K	0.28%	Put
3944	SPHSUBURBAN PROPANE PARTNERS L	13,400	$29K	0.28%	Call
3945	APPSDIGITAL TURBINE INC	14,500	$29K	0.28%	Call
3946	VVVVALVOLINE INC	1,300	$29K	0.28%	Call
3947	OLNOLIN CORP	941	$29K	0.28%
3948	ASPSALTISOURCE PORTFOLIO SOLNS S	1,100	$29K	0.28%	Put
3949	—CSI COMPRESSCO LP	4,000	$29K	0.28%	Call
3950	—INFINITY PHARMACEUTICALS INC	13,800	$29K	0.28%	Put
3951	FLRFLUOR CORP NEW	500	$29K	0.28%	Put
3952	LENLENNAR CORP	491	$29K	0.28%
3953	OXYOCCIDENTAL PETE CORP DEL	454	$29K	0.28%
3954	—FRANCESCAS HLDGS CORP	6,100	$29K	0.28%	Put
3955	MRCYMERCURY SYS INC	600	$29K	0.28%	Put
3956	NUSNU SKIN ENTERPRISES INC	400	$29K	0.28%
3957	—NAVIOS MARITIME MIDSTREAM LP	7,200	$29K	0.28%	Put
3958	—STEELCASE INC	2,100	$29K	0.28%	Call
3959	—COTT CORP QUE	2,000	$29K	0.28%	Put
3960	—MAG SILVER CORP	3,000	$29K	0.28%	Put
3961	GCI1EURGANNETT CO INC	2,900	$29K	0.28%
3962	—ARALEZ PHARMACEUTICALS INC	19,400	$29K	0.28%	Call
3963	—CHINA RAPID FIN LTD	5,900	$29K	0.28%	Put
3964	—GOLDEN STAR RES LTD CDA	46,897	$28K	0.27%
3965	—STATOIL ASA	1,200	$28K	0.27%	Call
3966	—OCH ZIFF CAP MGMT GROUP	10,400	$28K	0.27%	Put
3967	DXCDXC TECHNOLOGY CO	282	$28K	0.27%
3968	—GREENHILL & CO INC	1,500	$28K	0.27%	Put
3969	—ZAGG INC	2,300	$28K	0.27%	Put
3970	—WINDSTREAM HLDGS INC	19,600	$28K	0.27%	Put
3971	LSAKNET 1 UEPS TECHNOLOGIES INC	3,000	$28K	0.27%	Call
3972	SNDSMART SAND INC	4,742	$28K	0.27%
3973	LQDTLIQUIDITY SERVICES INC	4,300	$28K	0.27%	Call
3974	OTEXOPEN TEXT CORP	800	$28K	0.27%	Call
3975	—KEMPHARM INC	3,500	$28K	0.27%	Call
3976	—AVID TECHNOLOGY INC	6,100	$28K	0.27%	Put
3977	ABEVAMBEV SA	3,800	$28K	0.27%	Call
3978	HRTGHERITAGE INS HLDGS INC	1,866	$28K	0.27%
3979	—RUDOLPH TECHNOLOGIES INC	10,100	$28K	0.27%	Call
3980	BCRXBIOCRYST PHARMACEUTICALS	5,700	$27K	0.26%	Put
3981	VEAVANGUARD TAX MANAGED INTL FD	600	$27K	0.26%
3982	—MID AMER APT CMNTYS INC	300	$27K	0.26%	Put
3983	GSMFERROGLOBE PLC	2,500	$27K	0.26%
3984	GOROGOLD RESOURCE CORP	6,000	$27K	0.26%	Put
3985	—CHINA MOBILE LIMITED	600	$27K	0.26%	Put
3986	ACHOWENS & MINOR INC NEW	1,706	$27K	0.26%
3987	ZZILLOW GROUP INC	500	$27K	0.26%	Put
3988	—CHIPMOS TECHNOLOGIES INC	1,700	$27K	0.26%
3989	—J JILL INC	6,100	$27K	0.26%	Call
3990	UISUNISYS CORP	2,500	$27K	0.26%
3991	TBPHTHERAVANCE BIOPHARMA INC	1,100	$27K	0.26%
3992	—AFFIMED N V	14,400	$27K	0.26%	Call
3993	CHKPCHECK POINT SOFTWARE TECH LT	270	$27K	0.26%
3994	—HD SUPPLY HLDGS INC	700	$27K	0.26%	Call
3995	—AGENUS INC	5,700	$27K	0.26%	Put
3996	—NEW YORK MTG TR INC	44,000	$26K	0.25%	Put
3997	VSHVISHAY INTERTECHNOLOGY INC	1,400	$26K	0.25%	Call
3998	SABRSABRE CORP	1,200	$26K	0.25%
3999	—ASPEN INSURANCE HOLDINGS LTD	573	$26K	0.25%
4000	CAASEURCHINA AUTOMOTIVE SYS INC	5,665	$26K	0.25%

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