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
2001	—ALEXCO RESOURCE CORP	374,300	$494K	5.13%	Call
2002	—GASLOG LTD	32,400	$494K	5.13%	Call
2003	—ACXIOM CORP	19,000	$494K	5.13%	Call
2004	DHRDANAHER CORP DEL	5,857	$494K	5.13%
2005	—INTERNAP CORP	134,400	$493K	5.12%	Call
2006	UNITUNITI GROUP INC	19,600	$493K	5.12%	Call
2007	—BUCKEYE PARTNERS L P	7,700	$492K	5.11%	Call
2008	—ARCH COAL INC	7,200	$492K	5.11%	Call
2009	GEFGREIF INC	8,800	$491K	5.10%	Call
2010	QCOMQUALCOMM INC	8,900	$491K	5.10%	Put
2011	SBLKSTAR BULK CARRIERS CORP	49,849	$490K	5.09%
2012	MEOHMETHANEX CORP	11,100	$489K	5.08%	Put
2013	—CONATUS PHARMACEUTICALS INC	84,800	$488K	5.07%	Put
2014	—WESTROCK CO	8,600	$487K	5.06%	Call
2015	—ORANGE	30,500	$487K	5.06%	Put
2016	SUSUNCOR ENERGY INC NEW	16,658	$486K	5.05%
2017	CNKCINEMARK HOLDINGS INC	12,500	$486K	5.05%	Put
2018	—BARCLAYS BK PLC	38,069	$486K	5.05%
2019	—MGIC INVT CORP WIS	43,300	$485K	5.04%	Call
2020	—ENVESTNET INC	12,200	$483K	5.02%	Call
2021	—ENERPLUS CORP	59,300	$482K	5.01%	Put
2022	—AMERICAN MIDSTREAM PARTNERS	37,424	$481K	5.00%
2023	PIIPOLARIS INDS INC	5,200	$480K	4.99%	Call
2024	—DENBURY RES INC	311,000	$476K	4.95%	Put
2025	AMAGAMAG PHARMACEUTICALS INC	25,845	$476K	4.95%
2026	3M4MASIMO CORP	5,189	$473K	4.91%
2027	—UNIT CORP	25,200	$472K	4.90%	Call
2028	POSTPOST HLDGS INC	6,077	$472K	4.90%
2029	—NATIONAL OILWELL VARCO INC	14,300	$471K	4.89%	Call
2030	—UNITED NAT FOODS INC	12,800	$470K	4.88%	Put
2031	DKSDICKS SPORTING GOODS INC	11,763	$469K	4.87%
2032	—BASIC ENERGY SVCS INC NEW	18,854	$469K	4.87%
2033	—GUESS INC	36,600	$468K	4.86%	Put
2034	EDAPEDAP TMS S A	141,700	$468K	4.86%	Put
2035	XYLXYLEM INC	8,400	$466K	4.84%	Put
2036	—CHICOS FAS INC	49,400	$465K	4.83%	Put
2037	—SYNOVUS FINL CORP	10,500	$465K	4.83%	Call
2038	DGDOLLAR GEN CORP NEW	6,444	$465K	4.83%
2039	JNPJUNIPER NETWORKS INC	16,692	$465K	4.83%
2040	—CALIFORNIA RES CORP	54,300	$464K	4.82%	Call
2041	—FIRST DATA CORP NEW	25,500	$464K	4.82%	Put
2042	SIRIEURSIRIUS XM HLDGS INC	84,771	$464K	4.82%
2043	PETSPETMED EXPRESS INC	11,400	$463K	4.81%	Call
2044	—AQUA METALS INC	36,900	$463K	4.81%	Put
2045	—ROCKWELL COLLINS INC	4,400	$462K	4.80%	Put
2046	—ROSETTA STONE INC	42,800	$461K	4.79%	Put
2047	—CARBONITE INC	21,141	$461K	4.79%
2048	—TALLGRASS ENERGY PARTNERS LP	9,200	$461K	4.79%	Put
2049	—GROUPON INC	119,700	$460K	4.78%	Call
2050	—COGINT INC	91,000	$460K	4.78%	Put
2051	—AVEXIS INC	5,600	$460K	4.78%	Call
2052	LQDTLIQUIDITY SERVICES INC	72,400	$460K	4.78%	Put
2053	—YRC WORLDWIDE INC	41,400	$460K	4.78%	Put
2054	—CARBONITE INC	21,000	$458K	4.76%	Call
2055	GPREGREEN PLAINS INC	22,200	$456K	4.74%	Call
2056	—SEMGROUP CORP	16,900	$456K	4.74%	Call
2057	CVECENOVUS ENERGY INC	61,735	$455K	4.73%
2058	—EP ENERGY CORP	124,300	$455K	4.73%	Call
2059	—RSP PERMIAN INC	14,100	$455K	4.73%	Call
2060	SSTKSHUTTERSTOCK INC	10,300	$454K	4.72%	Put
2061	—NOVAVAX INC	394,700	$454K	4.72%	Call
2062	GALTGALECTIN THERAPEUTICS INC	184,400	$454K	4.72%	Call
2063	—SILVER STD RES INC	46,711	$454K	4.72%
2064	INVAINNOVIVA INC	35,400	$453K	4.71%	Call
2065	DHTDHT HOLDINGS INC	108,800	$452K	4.70%	Put
2066	NVMINOVA MEASURING INSTRUMENTS L	20,400	$451K	4.69%	Call
2067	—GLOBAL BLOOD THERAPEUTICS IN	16,500	$451K	4.69%	Put
2068	EXTREXTREME NETWORKS INC	48,660	$449K	4.67%
2069	—CONE MIDSTREAM PARTNERS LP	23,700	$449K	4.67%	Put
2070	—TAILORED BRANDS INC	40,100	$448K	4.65%	Call
2071	TREELENDINGTREE INC NEW	2,600	$448K	4.65%	Put
2072	LOGILOGITECH INTL S A	12,194	$447K	4.64%
2073	—CITRIX SYS INC	5,600	$446K	4.63%	Put
2074	EXREXTRA SPACE STORAGE INC	5,700	$445K	4.62%	Call
2075	—PENNEY J C INC	95,751	$445K	4.62%
2076	—KRATON CORPORATION	12,900	$444K	4.61%	Call
2077	PLUNPLUG POWER INC	216,690	$442K	4.59%
2078	—FRONTIER COMMUNICATIONS CORP	381,151	$442K	4.59%
2079	—CARRIZO OIL & GAS INC	25,400	$442K	4.59%	Call
2080	WELLWELLTOWER INC	5,900	$442K	4.59%	Call
2081	TGNATEGNA INC	30,700	$442K	4.59%	Call
2082	—ATHENAHEALTH INC	3,138	$441K	4.58%
2083	VEEVVEEVA SYS INC	7,200	$441K	4.58%	Put
2084	SOSOUTHERN CO	9,200	$441K	4.58%	Call
2085	FIZZNATIONAL BEVERAGE CORP	4,700	$440K	4.57%	Call
2086	—ENLINK MIDSTREAM LLC	25,000	$440K	4.57%	Call
2087	—FIBROGEN INC	13,600	$439K	4.56%	Call
2088	—NEW RELIC INC	10,200	$439K	4.56%	Call
2089	—MAZOR ROBOTICS LTD	12,641	$437K	4.54%
2090	—AMERICAN WTR WKS CO INC NEW	5,600	$437K	4.54%	Call
2091	—STONEMOR PARTNERS L P	46,100	$436K	4.53%	Put
2092	RGENREPLIGEN CORP	10,500	$435K	4.52%	Put
2093	TDOCTELADOC INC	12,500	$434K	4.51%	Put
2094	—RUTHS HOSPITALITY GROUP INC	19,900	$433K	4.50%	Call
2095	EWEDWARDS LIFESCIENCES CORP	3,666	$433K	4.50%
2096	KROKRONOS WORLDWIDE INC	23,776	$433K	4.50%
2097	GPREGREEN PLAINS INC	21,000	$432K	4.49%	Put
2098	HRTXHERON THERAPEUTICS INC	31,159	$432K	4.49%
2099	DKLDELEK LOGISTICS PARTNERS LP	13,192	$432K	4.49%
2100	—MICHAEL KORS HLDGS LTD	11,855	$430K	4.47%

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