GROUP ONE TRADING LLC Q3 2018 Filing

Filed November 8, 2018

Portfolio Value

$12.7M

Holdings

5,172

Report Date

Q3 2018

Filing Type

13F-HR

All Holdings (5,172 positions)

#	Stock	Shares	Value	% Portfolio	Type
2001	LELANDS END INC NEW	40,666	$714K	5.64%
2002	VSTVISTRA ENERGY CORP	28,589	$711K	5.62%
2003	HCAHCA HEALTHCARE INC	5,100	$710K	5.61%	Put
2004	—ELLIE MAE INC	7,461	$707K	5.59%
2005	WYWEYERHAEUSER CO	21,800	$703K	5.56%	Put
2006	—HAWAIIAN HOLDINGS INC	17,500	$702K	5.55%	Put
2007	PIIMPINJ INC	28,300	$702K	5.55%	Call
2008	BBVABANCO BILBAO VIZCAYA ARGENTA	111,060	$700K	5.53%
2009	GMEGAMESTOP CORP NEW	45,832	$700K	5.53%
2010	—INTEGRATED DEVICE TECHNOLOGY	14,900	$700K	5.53%	Put
2011	—AKORN INC	53,787	$698K	5.52%
2012	—BELMOND LTD	38,148	$696K	5.50%
2013	NIONIO INC	99,600	$695K	5.49%	Put
2014	JKSJINKOSOLAR HLDG CO LTD	64,403	$694K	5.48%
2015	LGNDLIGAND PHARMACEUTICALS INC	2,527	$694K	5.48%
2016	—MICRO FOCUS INTERNATIONAL PL	37,500	$693K	5.48%	Put
2017	CBOECBOE GLOBAL MARKETS INC	7,220	$693K	5.48%
2018	—SPARK THERAPEUTICS INC	12,700	$693K	5.48%	Put
2019	—THERAPEUTICSMD INC	105,700	$693K	5.48%	Call
2020	—US BANCORP DEL	13,100	$692K	5.47%	Call
2021	KBHKB HOME	28,900	$691K	5.46%	Put
2022	—LAREDO PETROLEUM INC	84,200	$688K	5.44%	Put
2023	—CARRIZO OIL & GAS INC	27,200	$685K	5.41%	Call
2024	—GLU MOBILE INC	91,800	$684K	5.40%	Put
2025	FISVFISERV INC	8,300	$684K	5.40%	Call
2026	AXAXOS FINL INC	19,900	$684K	5.40%	Call
2027	BLMNBLOOMIN BRANDS INC	34,521	$683K	5.40%
2028	CQPCHENIERE ENERGY PARTNERS LP	17,300	$683K	5.40%	Call
2029	OLNOLIN CORP	26,600	$683K	5.40%	Put
2030	—ATLASSIAN CORP PLC	7,100	$683K	5.40%	Put
2031	—KLX INC	10,858	$682K	5.39%
2032	—ECHO GLOBAL LOGISTICS INC	22,000	$681K	5.38%	Call
2033	—PACIFIC COAST OIL TR	249,500	$681K	5.38%	Call
2034	IBKRINTERACTIVE BROKERS GROUP IN	12,300	$680K	5.37%	Put
2035	IVZINVESCO LTD	29,700	$680K	5.37%	Put
2036	—AVON PRODS INC	309,000	$680K	5.37%	Put
2037	AGFIRST MAJESTIC SILVER CORP	119,600	$679K	5.37%	Put
2038	BAXBAXTER INTL INC	8,800	$678K	5.36%	Put
2039	—DENBURY RES INC	109,200	$677K	5.35%	Call
2040	—MERITOR INC	34,900	$676K	5.34%	Call
2041	OMCOMNICOM GROUP INC	9,900	$673K	5.32%	Put
2042	—CORE LABORATORIES N V	5,800	$672K	5.31%	Put
2043	—CONCHO RES INC	4,400	$672K	5.31%	Put
2044	—OCWEN FINL CORP	170,500	$672K	5.31%	Call
2045	—ACELRX PHARMACEUTICALS INC	174,200	$671K	5.30%	Call
2046	UCTTULTRA CLEAN HLDGS INC	53,400	$670K	5.29%	Put
2047	UBSUBS GROUP AG	42,577	$670K	5.29%
2048	BYDBOYD GAMING CORP	19,800	$670K	5.29%	Call
2049	—DCP MIDSTREAM LP	16,900	$669K	5.29%	Call
2050	GGBGERDAU S A	158,571	$668K	5.28%
2051	—RUBICON PROJ INC	185,200	$667K	5.27%	Put
2052	AAOIAPPLIED OPTOELECTRONICS INC	27,053	$667K	5.27%
2053	INGING GROEP N V	51,400	$667K	5.27%	Put
2054	—BASIC ENERGY SVCS INC NEW	66,801	$667K	5.27%
2055	NTLAINTELLIA THERAPEUTICS INC	23,300	$667K	5.27%	Put
2056	BSXBOSTON SCIENTIFIC CORP	17,300	$666K	5.26%	Put
2057	—PYXUS INTL INC	28,900	$665K	5.25%	Call
2058	ASMBASSEMBLY BIOSCIENCES INC	17,893	$665K	5.25%
2059	—GOLDEN ENTMT INC	27,700	$665K	5.25%	Put
2060	NVAXNOVAVAX INC	352,544	$663K	5.24%
2061	—UNITED NAT FOODS INC	22,100	$662K	5.23%	Put
2062	SWKSSKYWORKS SOLUTIONS INC	7,300	$662K	5.23%	Put
2063	—ASHLAND GLOBAL HLDGS INC	7,900	$662K	5.23%	Call
2064	AUPHAURINIA PHARMACEUTICALS INC	99,500	$661K	5.22%	Call
2065	TCBITEXAS CAPITAL BANCSHARES INC	8,000	$661K	5.22%	Call
2066	—ZENDESK INC	9,300	$660K	5.22%	Put
2067	ARWRARROWHEAD PHARMACEUTICALS IN	34,400	$659K	5.21%	Put
2068	—ENERPLUS CORP	53,300	$658K	5.20%	Call
2069	CHRSCOHERUS BIOSCIENCES INC	39,800	$657K	5.19%	Call
2070	BJRIBJS RESTAURANTS INC	9,100	$657K	5.19%	Put
2071	TBCHTURTLE BEACH CORP	32,900	$656K	5.18%	Put
2072	—PUBLIC SVC ENTERPRISE GROUP	12,400	$655K	5.18%	Call
2073	—TRONOX LTD	54,800	$655K	5.18%	Call
2074	EAFEURGRAFTECH INTL LTD	33,503	$654K	5.17%
2075	—SKECHERS U S A INC	23,400	$654K	5.17%	Call
2076	—BMC STK HLDGS INC	35,000	$653K	5.16%	Call
2077	—PROGENICS PHARMACEUTICALS IN	104,100	$653K	5.16%	Put
2078	—LENDINGCLUB CORP	168,000	$652K	5.15%	Put
2079	—KEMET CORP	35,100	$651K	5.14%	Call
2080	OHIOMEGA HEALTHCARE INVS INC	19,830	$650K	5.14%
2081	—ETFIS SER TR I	87,300	$650K	5.14%	Call
2082	AGXARGAN INC	15,100	$649K	5.13%	Call
2083	9990302DAPACHE CORP	13,618	$649K	5.13%
2084	—PROGENICS PHARMACEUTICALS IN	103,500	$649K	5.13%	Call
2085	HRBBLOCK H & R INC	25,200	$649K	5.13%	Put
2086	FXCINVESCO CURNCYSHS CDN DLR TR	8,500	$649K	5.13%
2087	BAXBAXTER INTL INC	8,400	$648K	5.12%	Call
2088	—DEAN FOODS CO NEW	91,300	$648K	5.12%	Put
2089	HEIHEICO CORP NEW	7,000	$648K	5.12%	Call
2090	NLYEURANNALY CAP MGMT INC	63,250	$647K	5.11%
2091	SESEA LTD	46,800	$647K	5.11%	Put
2092	AEMAGNICO EAGLE MINES LTD	18,927	$647K	5.11%
2093	—ACHAOGEN INC	162,252	$647K	5.11%
2094	—HORNBECK OFFSHORE SVCS INC N	110,000	$647K	5.11%	Put
2095	APOGAPOGEE ENTERPRISES INC	15,600	$645K	5.10%	Put
2096	—BIOTELEMETRY INC	10,000	$645K	5.10%	Put
2097	—MIRATI THERAPEUTICS INC	13,700	$645K	5.10%	Put
2098	PLDPROLOGIS INC	9,500	$644K	5.09%	Put
2099	GFIGOLD FIELDS LTD NEW	266,300	$644K	5.09%	Call
2100	CRBPCORBUS PHARMACEUTICALS HLDGS	85,200	$643K	5.08%	Put

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