GROUP ONE TRADING LLC Q2 2017 Filing

Filed August 14, 2017

Portfolio Value

$9.6M

Holdings

4,726

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (4,726 positions)

#	Stock	Shares	Value	% Portfolio	Type
3801	PSOPEARSON PLC	3,384	$30K	0.31%
3802	—LIFE STORAGE INC	400	$30K	0.31%	Call
3803	—NANOSTRING TECHNOLOGIES INC	1,800	$30K	0.31%	Put
3804	FLSFLOWSERVE CORP	644	$30K	0.31%
3805	—ASTERIAS BIOTHERAPEUTICS INC	8,400	$30K	0.31%	Call
3806	PGFUSDPENGROWTH ENERGY CORP	38,185	$30K	0.31%
3807	—NAVIDEA BIOPHARMACEUTICALS I	59,000	$30K	0.31%	Call
3808	AMEAMETEK INC NEW	500	$30K	0.31%	Call
3809	TRUTRANSUNIO N	700	$30K	0.31%	Call
3810	SBSAFE BULKERS INC	12,900	$30K	0.31%	Call
3811	—INTELLIPHARMACEUTICS INTL IN	14,300	$30K	0.31%	Call
3812	—TEXTAINER GROUP HOLDINGS LTD	2,100	$30K	0.31%	Put
3813	—NATUS MEDICAL INC DEL	800	$30K	0.31%	Put
3814	RWTREDWOOD TR INC	1,700	$29K	0.30%	Call
3815	—ABIOMED INC	200	$29K	0.30%	Call
3816	—OPUS BK IRVINE CALIF	1,207	$29K	0.30%
3817	—MONOLITHIC PWR SYS INC	300	$29K	0.30%	Call
3818	—DERMIRA INC	1,000	$29K	0.30%	Put
3819	DHTDHT HOLDINGS INC	7,000	$29K	0.30%	Call
3820	—CHINA LIFE INS CO LTD	1,900	$29K	0.30%	Call
3821	AMHAMERICAN HOMES 4 RENT	1,300	$29K	0.30%	Put
3822	—LEGACY RESVS LP	19,700	$29K	0.30%	Put
3823	—PENGROWTH ENERGY CORP	36,800	$29K	0.30%	Put
3824	—AMIRA NATURE FOODS LTD	5,300	$29K	0.30%	Put
3825	—INOTEK PHARMACEUTICALS CORP	15,000	$29K	0.30%	Put
3826	—VERSUM MATLS INC	900	$29K	0.30%	Put
3827	TXTERNIUM SA	1,000	$28K	0.29%	Put
3828	—SIERRA WIRELESS INC	1,000	$28K	0.29%	Put
3829	—CALUMET SPECIALTY PRODS PTNR	6,500	$28K	0.29%	Put
3830	—TEAM INC	1,200	$28K	0.29%	Put
3831	TEFOFTELEFONIC A S A	2,700	$28K	0.29%	Put
3832	MITKMITEK SYS INC	3,312	$28K	0.29%
3833	—NEOPHOTONICS CORP	3,600	$28K	0.29%	Call
3834	—NEW MEDIA INVT GROUP INC	2,100	$28K	0.29%	Put
3835	MOHMOLINA HEALTHCARE INC	400	$28K	0.29%	Call
3836	ANIPANI PHARMACEUTICALS INC	600	$28K	0.29%	Put
3837	—CALATLANTIC GROUP INC	800	$28K	0.29%	Call
3838	FHIFEDERATED INVS INC PA	1,000	$28K	0.29%	Call
3839	—RIGEL PHARMACEUTICALS INC	9,800	$27K	0.28%	Call
3840	GSMFERROGLOBE PLC	2,285	$27K	0.28%
3841	MMYTMAKEMYTRIP LIMITED MAURITIUS	800	$27K	0.28%
3842	—ARES MGMT L P	1,500	$27K	0.28%
3843	—GRAN TIERRA ENERGY INC	11,937	$27K	0.28%
3844	SMCISUPER MICRO COMPUTER INC	1,100	$27K	0.28%	Call
3845	—BRIGGS & STRATTON CORP	1,100	$27K	0.28%	Call
3846	—REGULUS THERAPEUTICS INC	27,500	$27K	0.28%	Put
3847	NOG1EURNORTHERN OIL & GAS INC NEV	18,944	$27K	0.28%
3848	—GOLDEN STAR RES LTD CDA	41,300	$27K	0.28%	Call
3849	—CLOUD PEAK ENERGY INC	7,645	$27K	0.28%
3850	TOURTUNIU CORP	3,300	$27K	0.28%	Put
3851	—SANDRIDGE MISSISSIPPIAN TR I	19,200	$27K	0.28%
3852	—RAIT FINANCIAL TRUST	12,000	$26K	0.27%	Put
3853	—LSC COMMUNICATIONS INC	1,230	$26K	0.27%
3854	CAASEURCHINA AUTOMOTIVE SYS INC	5,340	$26K	0.27%
3855	WDRWADDELL & REED FINL INC	1,399	$26K	0.27%
3856	—GOLDEN STAR RES LTD CDA	40,739	$26K	0.27%
3857	—INTREPID POTASH INC	11,500	$26K	0.27%	Call
3858	—OMNOVA SOLUTIONS INC	2,700	$26K	0.27%	Call
3859	—PATRIOT NATL INC	12,300	$26K	0.27%	Call
3860	—ANGIES LIST INC	2,000	$26K	0.27%	Call
3861	—OWENS & MINOR INC NEW	800	$26K	0.27%	Call
3862	—NATIONAL CINEMEDIA INC	3,500	$26K	0.27%	Put
3863	—NORTHERN OIL & GAS INC NEV	18,400	$26K	0.27%	Put
3864	—ZAFGEN INC	7,000	$25K	0.26%	Put
3865	DARDARLING INGREDIENTS INC	1,600	$25K	0.26%	Put
3866	—ARMOUR RESIDENTIAL REIT INC	1,000	$25K	0.26%	Put
3867	—CATALENT INC	700	$25K	0.26%	Put
3868	—DIPLOMAT PHARMACY INC	1,700	$25K	0.26%	Put
3869	—SIENTRA INC	2,600	$25K	0.26%	Put
3870	—YINGLI GREEN ENERGY HLDG CO	10,800	$25K	0.26%	Put
3871	A4E1ALMADEN MINERALS LTD	20,000	$25K	0.26%
3872	—PSIVIDA CORP	14,600	$25K	0.26%	Put
3873	—RENESOLA LTD	10,400	$25K	0.26%	Put
3874	—TRANSENTERIX INC	35,900	$25K	0.26%	Put
3875	—CALATLANTIC GROUP INC	700	$25K	0.26%	Put
3876	—CENTERSTATE BANKS INC	1,000	$25K	0.26%	Call
3877	KRGKITE RLTY GROUP TR	1,301	$25K	0.26%
3878	—NATIONSTAR MTG HLDGS INC	1,400	$25K	0.26%	Call
3879	GEOSGEOSPACE TECHNOLOGIES CORP	1,715	$24K	0.25%
3880	—TANDEM DIABETES CARE INC	30,451	$24K	0.25%
3881	—CTI BIOPHARMA CORP	7,400	$24K	0.25%	Call
3882	VENVENTAS INC	343	$24K	0.25%
3883	—MERRIMACK PHARMACEUTICALS IN	19,600	$24K	0.25%	Call
3884	CBAYUSDCYMABAY THERAPEUTICS INC	4,108	$24K	0.25%
3885	—ENDOCYTE INC	15,820	$24K	0.25%
3886	NBIXNEUROCRINE BIOSCIENCES INC	532	$24K	0.25%
3887	—IMPAX LABORATORIES INC	1,500	$24K	0.25%	Put
3888	CODICOMPASS DIVERSIFIED HOLDINGS	1,400	$24K	0.25%	Call
3889	TVGRUPO TELEVISA SA	1,000	$24K	0.25%	Call
3890	—TAUBMAN CTRS INC	400	$24K	0.25%	Put
3891	AORTCRYOLIFE INC	1,200	$24K	0.25%	Call
3892	TRAKPARK CITY GROUP INC	2,000	$24K	0.25%	Put
3893	CUBECUBESMART	1,000	$24K	0.25%	Put
3894	—DURECT CORP	15,600	$24K	0.25%	Call
3895	—ATTUNITY LTD	3,300	$24K	0.25%
3896	—CASCADIAN THERAPEUTICS INC	6,400	$24K	0.25%	Call
3897	—KINDRED BIOSCIENCES INC	2,800	$24K	0.25%	Put
3898	—CALLIDUS SOFTWARE INC	1,000	$24K	0.25%	Call
3899	FMSFRESENIUS MED CARE AG&CO KGA	500	$24K	0.25%
3900	—MEI PHARMA INC	10,000	$24K	0.25%	Call

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