GROUP ONE TRADING LLC Q4 2017 Filing

Filed February 9, 2018

Portfolio Value

$14.2M

Holdings

4,816

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (4,816 positions)

#	Stock	Shares	Value	% Portfolio	Type
2001	—MCDERMOTT INTL INC	100,100	$659K	4.63%	Call
2002	—FIBROGEN INC	13,900	$659K	4.63%	Call
2003	VEEVVEEVA SYS INC	11,900	$658K	4.62%	Put
2004	BKRBAKER HUGHES A GE CO	20,700	$655K	4.60%	Put
2005	—TEEKAY CORPORATION	70,200	$654K	4.60%	Call
2006	AGIALAMOS GOLD INC NEW	100,400	$654K	4.60%	Call
2007	SEASEABRIDGE GOLD INC	57,829	$653K	4.59%
2008	—BROADSOFT INC	11,900	$653K	4.59%	Call
2009	TRTN-PATRITON INTL LTD	17,410	$652K	4.58%
2010	MDMEDNAX INC	12,200	$652K	4.58%	Call
2011	MTHMERITAGE HOMES CORP	12,733	$652K	4.58%
2012	SIMOSILICON MOTION TECHNOLOGY CO	12,300	$651K	4.58%	Call
2013	—NOVAVAX INC	525,200	$651K	4.58%	Call
2014	VACMARRIOTT VACATIONS WRLDWDE C	4,800	$649K	4.56%	Call
2015	AMCXAMC NETWORKS INC	12,000	$649K	4.56%	Put
2016	—MIRATI THERAPEUTICS INC	35,500	$648K	4.55%	Call
2017	ALKALASKA AIR GROUP INC	8,800	$647K	4.55%	Put
2018	ULUNILEVER PLC	11,700	$647K	4.55%	Call
2019	WCGEURWELLCARE HEALTH PLANS INC	3,208	$645K	4.53%
2020	GPREGREEN PLAINS INC	38,300	$645K	4.53%	Put
2021	—UNITED NAT FOODS INC	13,100	$645K	4.53%	Put
2022	—DCP MIDSTREAM LP	17,700	$643K	4.52%	Put
2023	—SANDRIDGE PERMIAN TR	312,400	$640K	4.50%	Put
2024	LYBLYONDELLBASELL INDUSTRIES N	5,800	$640K	4.50%	Call
2025	—INFINERA CORPORATION	101,100	$640K	4.50%	Call
2026	—EVERBRIDGE INC	21,500	$639K	4.49%	Call
2027	INGING GROEP N V	34,600	$639K	4.49%	Put
2028	—MULESOFT INC	27,400	$637K	4.48%	Call
2029	DQDAQO NEW ENERGY CORP	10,723	$637K	4.48%
2030	EGOELDORADO GOLD CORP NEW	444,243	$635K	4.46%
2031	BHPBHP BILLITON LTD	13,788	$634K	4.46%
2032	—CARRIZO OIL & GAS INC	29,800	$634K	4.46%	Put
2033	—FAIRMOUNT SANTROL HLDGS INC	121,300	$634K	4.46%	Put
2034	VRAVERA BRADLEY INC	52,000	$633K	4.45%	Call
2035	—PLATFORM SPECIALTY PRODS COR	63,800	$633K	4.45%	Put
2036	AZTABROOKS AUTOMATION INC	26,500	$632K	4.44%	Put
2037	HRTGHERITAGE INS HLDGS INC	35,000	$631K	4.43%	Call
2038	DC4DEXCOM INC	10,952	$629K	4.42%
2039	—NORTHERN TR CORP	6,300	$629K	4.42%	Call
2040	RFREGIONS FINL CORP NEW	36,400	$629K	4.42%	Put
2041	—C&J ENERGY SVCS INC NEW	18,763	$628K	4.41%
2042	—CONSTELLIUM NV	56,200	$627K	4.41%	Call
2043	—REVANCE THERAPEUTICS INC	17,500	$626K	4.40%	Put
2044	NGGNATIONAL GRID PLC	10,621	$625K	4.39%
2045	MPLXMPLX LP	17,600	$624K	4.39%	Call
2046	ZEN1EURZENDESK INC	18,450	$624K	4.39%
2047	USACUSA COMPRESSION PARTNERS LP	37,700	$624K	4.39%	Call
2048	—RESOLUTE ENERGY CORP	19,819	$624K	4.39%
2049	—NATIONAL OILWELL VARCO INC	17,300	$623K	4.38%	Call
2050	—PAPA JOHNS INTL INC	11,100	$623K	4.38%	Call
2051	—SYNGENTA AG	6,700	$622K	4.37%	Call
2052	—CENTURY CMNTYS INC	20,000	$622K	4.37%	Put
2053	GELGENESIS ENERGY L P	27,800	$621K	4.36%	Call
2054	ARCCARES CAP CORP	39,500	$621K	4.36%	Call
2055	PTENPATTERSON UTI ENERGY INC	26,900	$619K	4.35%	Call
2056	GALTGALECTIN THERAPEUTICS INC	184,900	$618K	4.34%	Put
2057	—ALDER BIOPHARMACEUTICALS INC	53,900	$617K	4.34%	Call
2058	OREALTY INCOME CORP	10,800	$616K	4.33%	Call
2059	GONGERON CORP	341,863	$615K	4.32%
2060	—PATTERN ENERGY GROUP INC	28,600	$615K	4.32%	Put
2061	—FANG HLDGS LTD	110,000	$614K	4.32%	Put
2062	BBBYEURBED BATH & BEYOND INC	27,912	$614K	4.32%
2063	—ROWAN COMPANIES PLC	39,100	$612K	4.30%	Call
2064	HLTHILTON WORLDWIDE HLDGS INC	7,651	$611K	4.29%
2065	SEISOLARIS OILFIELD INFRSTR INC	28,500	$610K	4.29%	Call
2066	EMBJEMBRAER S A	25,400	$608K	4.27%	Put
2067	SSRMSSR MNG INC	68,900	$606K	4.26%	Put
2068	—KERYX BIOPHARMACEUTICALS INC	129,913	$604K	4.24%
2069	—BIOVERATIV INC	11,200	$604K	4.24%	Call
2070	SFIXSTITCH FIX INC	23,400	$604K	4.24%	Call
2071	—CYPRESS SEMICONDUCTOR CORP	39,500	$602K	4.23%	Call
2072	—AGNC INVT CORP	29,800	$602K	4.23%	Put
2073	ACTGACACIA RESH CORP	148,723	$602K	4.23%
2074	—BALLARD PWR SYS INC NEW	136,400	$602K	4.23%	Call
2075	INFYINFOSYS LTD	37,100	$602K	4.23%	Put
2076	—RED HAT INC	5,000	$601K	4.22%	Put
2077	OFGOFG BANCORP	63,900	$601K	4.22%	Put
2078	CYTKCYTOKINETICS INC	73,400	$598K	4.20%	Put
2079	TSCOTRACTOR SUPPLY CO	8,000	$598K	4.20%	Put
2080	AFGAMERICAN FINL GROUP INC OHIO	5,500	$597K	4.20%
2081	—NUVASIVE INC	10,200	$597K	4.20%	Call
2082	AEPAMERICAN ELEC PWR INC	8,100	$596K	4.19%	Call
2083	—ARCH COAL INC	6,400	$596K	4.19%	Put
2084	—MEET GROUP INC	210,842	$595K	4.18%
2085	SBSWSIBANYE STILLWATER	117,623	$594K	4.17%
2086	USFDUS FOODS HLDG CORP	18,600	$594K	4.17%	Call
2087	VOYAVOYA FINL INC	12,000	$594K	4.17%	Put
2088	USCRU S CONCRETE INC	7,072	$592K	4.16%
2089	ZTOZTO EXPRESS CAYMAN INC	37,300	$591K	4.15%	Call
2090	PSOPEARSON PLC	600	$591K	4.15%	Call
2091	—BOJANGLES INC	500	$590K	4.15%	Put
2092	AEEAMEREN CORP	100	$590K	4.15%	Call
2093	—SOTHEBYS	11,400	$588K	4.13%	Call
2094	ADIANALOG DEVICES INC	6,600	$588K	4.13%	Call
2095	—CONTROL4 CORP	19,700	$586K	4.12%	Call
2096	SBLKSTAR BULK CARRIERS CORP	52,006	$586K	4.12%
2097	XINUSDXINYUAN REAL ESTATE CO LTD	86,046	$586K	4.12%
2098	—OLD REP INTL CORP	27,400	$586K	4.12%	Put
2099	JPXAEROVIRONMENT INC	10,440	$586K	4.12%
2100	ZTOZTO EXPRESS CAYMAN INC	36,934	$585K	4.11%

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