GROUP ONE TRADING LLC Q2 2018 Filing

Filed August 14, 2018

Portfolio Value

$11.7M

Holdings

5,072

Report Date

Q2 2018

Filing Type

13F-HR

All Holdings (5,072 positions)

#	Stock	Shares	Value	% Portfolio	Type
2101	—BITAUTO HLDGS LTD	27,600	$656K	5.61%	Put
2102	—SELECT SECTOR SPDR TR	11,300	$656K	5.61%	Put
2103	MRCYMERCURY SYS INC	17,200	$655K	5.60%	Call
2104	—COMERICA INC	7,200	$655K	5.60%	Call
2105	—EXTRACTION OIL AND GAS INC	44,547	$654K	5.59%
2106	CERSCERUS CORP	98,000	$654K	5.59%	Put
2107	—E TRADE FINANCIAL CORP	10,700	$654K	5.59%	Call
2108	GRMNGARMIN LTD	10,700	$653K	5.58%	Put
2109	HSYHERSHEY CO	7,000	$651K	5.57%	Put
2110	—VIRNETX HLDG CORP	191,374	$651K	5.57%
2111	CNCCENTENE CORP DEL	5,285	$651K	5.57%
2112	—MEET GROUP INC	144,400	$647K	5.53%	Call
2113	—GROUPON INC	150,200	$646K	5.52%	Put
2114	—TREEHOUSE FOODS INC	12,300	$646K	5.52%	Call
2115	—MICHAEL KORS HLDGS LTD	9,700	$646K	5.52%	Put
2116	UTHRUNITED THERAPEUTICS CORP DEL	5,700	$645K	5.52%	Call
2117	—CABOT MICROELECTRONICS CORP	6,000	$645K	5.52%	Call
2118	SBUXSTARBUCKS CORP	13,180	$644K	5.51%
2119	NCLHNORWEGIAN CRUISE LINE HLDG L	13,600	$643K	5.50%	Put
2120	APLEAPPLE HOSPITALITY REIT INC	35,900	$642K	5.49%	Call
2121	—DUNKIN BRANDS GROUP INC	9,300	$642K	5.49%	Put
2122	BYDBOYD GAMING CORP	18,500	$641K	5.48%	Put
2123	—DIEBOLD NXDF INC	53,300	$637K	5.45%	Call
2124	NVCRNOVOCURE LTD	20,300	$635K	5.43%	Call
2125	CLNECLEAN ENERGY FUELS CORP	171,615	$633K	5.41%
2126	OPTUALTICE USA INC	37,100	$633K	5.41%	Call
2127	DHRDANAHER CORP DEL	6,400	$632K	5.40%	Put
2128	—NEPTUNE TECHNOLOGIES BIORESO	204,000	$632K	5.40%	Call
2129	ENRENERGIZER HLDGS INC NEW	10,000	$630K	5.39%	Call
2130	YUMCYUM CHINA HLDGS INC	16,353	$629K	5.38%
2131	EEFTEURONET WORLDWIDE INC	7,500	$628K	5.37%	Put
2132	JBLJABIL INC	22,700	$628K	5.37%	Put
2133	GNTXGENTEX CORP	27,300	$628K	5.37%	Call
2134	RRCRANGE RES CORP	37,469	$627K	5.36%
2135	EPCEDGEWELL PERS CARE CO	12,424	$627K	5.36%
2136	—ENVESTNET INC	11,400	$626K	5.35%	Call
2137	EXPDEXPEDITORS INTL WASH INC	8,553	$625K	5.34%
2138	PIIMPINJ INC	28,286	$625K	5.34%
2139	—CHINA LIFE INS CO LTD	48,900	$625K	5.34%	Put
2140	MXLMAXLINEAR INC	39,900	$622K	5.32%	Call
2141	PXDEURPIONEER NAT RES CO	3,282	$621K	5.31%
2142	LPXLOUISIANA PAC CORP	22,821	$621K	5.31%
2143	—EMERGE ENERGY SVCS LP	86,935	$620K	5.30%
2144	HRIHERC HLDGS INC	11,000	$620K	5.30%	Put
2145	DLBDOLBY LABORATORIES INC	10,000	$617K	5.28%	Put
2146	—REALPAGE INC	11,200	$617K	5.28%	Call
2147	—MCEWEN MNG INC	297,400	$616K	5.27%	Put
2148	MSBMESABI TR	25,100	$616K	5.27%	Put
2149	DEDEERE & CO	4,400	$615K	5.26%	Put
2150	—ATLANTIC PWR CORP	279,100	$614K	5.25%	Put
2151	—SODASTREAM INTERNATIONAL LTD	7,200	$614K	5.25%	Call
2152	NSMNATIONSTAR MTG HLDGS INC	35,032	$614K	5.25%
2153	TSCOTRACTOR SUPPLY CO	8,000	$612K	5.23%	Put
2154	CRICARTER INC	5,628	$610K	5.22%
2155	CAGCONAGRA BRANDS INC	17,082	$610K	5.22%
2156	HDBHDFC BANK LTD	5,800	$609K	5.21%	Call
2157	DQDAQO NEW ENERGY CORP	17,100	$608K	5.20%	Put
2158	—KELLOGG CO	8,700	$608K	5.20%	Put
2159	—TAHOE RES INC	123,400	$607K	5.19%	Call
2160	VNET21VIANET GROUP INC	62,622	$607K	5.19%
2161	—SORRENTO THERAPEUTICS INC	84,100	$606K	5.18%	Call
2162	—WEB COM GROUP INC	23,400	$605K	5.17%	Call
2163	GTNGRAY TELEVISION INC	38,200	$604K	5.17%	Call
2164	—ETFIS SER TR I	82,600	$604K	5.17%	Put
2165	BCCBOISE CASCADE CO DEL	13,500	$603K	5.16%	Call
2166	NGNOVAGOLD RES INC	135,600	$603K	5.16%	Call
2167	—NIC INC	38,700	$602K	5.15%	Call
2168	AKRACADIA RLTY TR	22,000	$602K	5.15%	Put
2169	CAHCARDINAL HEALTH INC	12,300	$601K	5.14%	Put
2170	PRGOPERRIGO CO PLC	8,244	$601K	5.14%
2171	LENLENNAR CORP	11,400	$599K	5.12%	Put
2172	HDBHDFC BANK LTD	5,700	$599K	5.12%	Put
2173	MXMAGNACHIP SEMICONDUCTOR CORP	58,300	$598K	5.11%	Call
2174	PG4PRINCIPAL FINL GROUP INC	11,301	$598K	5.11%
2175	—IHS MARKIT LTD	11,600	$598K	5.11%	Call
2176	TEAMATLASSIAN CORP PLC	9,558	$598K	5.11%
2177	—TATA MTRS LTD	30,500	$596K	5.10%	Put
2178	—CHINA BIOLOGIC PRODS HLDGS I	6,000	$596K	5.10%	Put
2179	—CALLON PETE CO DEL	55,300	$594K	5.08%	Put
2180	FT2FIRST HORIZON NATL CORP	33,278	$594K	5.08%
2181	—RYB ED INC	30,200	$593K	5.07%	Put
2182	TSNTYSON FOODS INC	8,600	$592K	5.06%	Put
2183	—GLOBAL PMTS INC	5,300	$591K	5.05%	Call
2184	—WAGEWORKS INC	11,800	$590K	5.05%	Call
2185	WSMWILLIAMS SONOMA INC	9,600	$589K	5.04%	Call
2186	—GOVERNMENT PPTYS INCOME TR	37,100	$588K	5.03%	Call
2187	OHIOMEGA HEALTHCARE INVS INC	18,965	$588K	5.03%
2188	CYTKCYTOKINETICS INC	70,700	$587K	5.02%	Put
2189	—ATHENE HLDG LTD	13,400	$587K	5.02%	Put
2190	—ASCENA RETAIL GROUP INC	147,400	$587K	5.02%	Call
2191	MACMACERICH CO	10,300	$585K	5.00%	Put
2192	DUKDUKE ENERGY CORP NEW	7,400	$585K	5.00%	Call
2193	—GRANITE CONSTR INC	10,500	$584K	4.99%	Call
2194	—XINYUAN REAL ESTATE CO LTD	131,000	$583K	4.99%	Call
2195	—MOTORCAR PTS AMER INC	31,100	$582K	4.98%	Put
2196	PEGAPEGASYSTEMS INC	10,600	$581K	4.97%	Put
2197	—PULTE GROUP INC	20,200	$581K	4.97%	Call
2198	—MEDNAX INC	13,400	$580K	4.96%	Put
2199	CELGCELGENE CORP	7,306	$580K	4.96%
2200	LGNDLIGAND PHARMACEUTICALS INC	2,800	$580K	4.96%	Call

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