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
1901	MTHMERITAGE HOMES CORP	14,600	$748K	5.26%	Put
1902	—ROWAN COMPANIES PLC	47,700	$747K	5.25%	Put
1903	NTLAINTELLIA THERAPEUTICS INC	38,867	$747K	5.25%
1904	—ELDORADO GOLD CORP NEW	521,400	$746K	5.24%	Put
1905	GNTXGENTEX CORP	35,600	$746K	5.24%	Call
1906	—BED BATH & BEYOND INC	33,900	$745K	5.24%	Call
1907	ALKSALKERMES PLC	13,600	$744K	5.23%	Put
1908	CLDRCLOUDERA INC	44,952	$743K	5.22%
1909	IPINTL PAPER CO	12,800	$742K	5.21%	Call
1910	—CDK GLOBAL INC	10,400	$741K	5.21%	Put
1911	CYBRCYBERARK SOFTWARE LTD	17,846	$739K	5.19%
1912	SUNSUNOCO LP	26,000	$738K	5.19%	Put
1913	OSURORASURE TECHNOLOGIES INC	39,100	$737K	5.18%	Call
1914	—LAZARD LTD	14,000	$735K	5.17%	Call
1915	GOOSCANADA GOOSE HOLDINGS INC	23,300	$735K	5.17%	Call
1916	—SODASTREAM INTERNATIONAL LTD	10,400	$732K	5.14%	Call
1917	—CAVIUM INC	8,700	$729K	5.12%	Call
1918	HALHALLIBURTON CO	14,900	$728K	5.12%	Call
1919	—SONIC CORP	26,500	$728K	5.12%	Put
1920	—LIONS GATE ENTMNT CORP	21,500	$727K	5.11%	Call
1921	CGCARLYLE GROUP L P	31,716	$726K	5.10%
1922	—GUESS INC	43,000	$726K	5.10%	Call
1923	—ORANGE	41,700	$726K	5.10%	Put
1924	—SOTHEBYS	14,000	$722K	5.07%	Put
1925	—PARATEK PHARMACEUTICALS INC	40,300	$721K	5.07%	Put
1926	GFIGOLD FIELDS LTD NEW	167,500	$720K	5.06%	Put
1927	—CALLON PETE CO DEL	59,200	$719K	5.05%	Call
1928	—ORANGE	41,300	$719K	5.05%	Call
1929	—AMPIO PHARMACEUTICALS INC	175,700	$715K	5.02%	Call
1930	CNKCINEMARK HOLDINGS INC	20,500	$714K	5.02%	Put
1931	—NAVIOS MARITIME PARTNERS L P	302,400	$714K	5.02%	Call
1932	—PLATFORM SPECIALTY PRODS COR	71,873	$713K	5.01%
1933	—EBIX INC	9,000	$713K	5.01%	Call
1934	SASEABRIDGE GOLD INC	63,000	$712K	5.00%	Put
1935	SL2SLEEP NUMBER CORP	18,926	$711K	5.00%
1936	DALDELTA AIR LINES INC DEL	12,700	$711K	5.00%	Call
1937	—NEOS THERAPEUTICS INC	69,600	$710K	4.99%	Put
1938	DKDELEK US HLDGS INC NEW	20,249	$708K	4.98%
1939	—WILLIAMS PARTNERS L P NEW	18,200	$706K	4.96%	Put
1940	TSMTAIWAN SEMICONDUCTOR MFG LTD	17,800	$706K	4.96%	Call
1941	—CDK GLOBAL INC	9,900	$706K	4.96%	Call
1942	KIMKIMCO RLTY CORP	38,800	$704K	4.95%	Call
1943	—MICHAEL KORS HLDGS LTD	11,170	$703K	4.94%
1944	RHRH	8,143	$702K	4.93%
1945	—ENZO BIOCHEM INC	85,900	$700K	4.92%	Call
1946	RGLDROYAL GOLD INC	8,500	$698K	4.91%	Put
1947	—SOHU COM INC	16,100	$698K	4.91%	Call
1948	—CUTERA INC	15,400	$698K	4.91%	Call
1949	SNISCRIPPS NETWORKS INTERACT IN	8,161	$697K	4.90%
1950	—FINANCIAL ENGINES INC	22,968	$696K	4.89%
1951	—SYNGENTA AG	7,500	$696K	4.89%	Put
1952	WELLWELLTOWER INC	10,914	$696K	4.89%
1953	PACBPACIFIC BIOSCIENCES CALIF IN	263,200	$695K	4.88%	Put
1954	HRTXHERON THERAPEUTICS INC	38,400	$695K	4.88%	Call
1955	—AGNC INVT CORP	34,400	$695K	4.88%	Call
1956	—SANDERSON FARMS INC	5,000	$694K	4.88%	Call
1957	NOKNOKIA CORP	148,957	$694K	4.88%
1958	OMEROMEROS CORP	35,600	$692K	4.86%	Call
1959	COPCONOCOPHI LLIPS	12,581	$691K	4.86%
1960	SBUXSTARBUCKS CORP	12,033	$691K	4.86%
1961	NINISOURCE INC	26,804	$688K	4.84%
1962	LSAKNET 1 UEPS TECHNOLOGIES INC	57,774	$687K	4.83%
1963	—REVANCE THERAPEUTICS INC	19,200	$686K	4.82%	Call
1964	MLCOMELCO RESORT ENTERTAINMENT L	23,600	$685K	4.81%	Call
1965	—YAMANA GOLD INC	219,400	$685K	4.81%	Call
1966	—RICE MIDSTREAM PARTNERS LP	31,882	$685K	4.81%
1967	—TE CONNECTIVITY LTD	7,200	$684K	4.81%	Put
1968	DXCMDEXCOM INC	11,900	$683K	4.80%	Put
1969	—NEOS THERAPEUTICS INC	66,980	$683K	4.80%
1970	—AMERICAN OUTDOOR BRANDS CORP	53,100	$682K	4.79%	Put
1971	FNDFLOOR & DECOR HLDGS INC	14,000	$682K	4.79%	Put
1972	WTWISDOMTREE INVTS INC	54,210	$680K	4.78%
1973	—CARBO CERAMICS INC	66,700	$679K	4.77%	Put
1974	—THERAPEUTICSMD INC	112,200	$678K	4.76%	Put
1975	VACMARRIOTT VACATIONS WRLDWDE C	5,000	$676K	4.75%	Put
1976	HBANHUNTINGTON BANCSHARES INC	46,400	$676K	4.75%	Put
1977	—DEAN FOODS CO NEW	58,456	$676K	4.75%
1978	GMEGAMESTOP CORP NEW	37,600	$675K	4.74%	Put
1979	APLEAPPLE HOSPITALITY REIT INC	34,400	$675K	4.74%	Call
1980	IBKRINTERACTIVE BROKERS GROUP IN	11,400	$675K	4.74%	Put
1981	FLEXFLEX LTD	37,400	$673K	4.73%	Call
1982	—FLOTEK INDS INC DEL	144,400	$673K	4.73%	Call
1983	PBIPITNEY BOWES INC	60,200	$673K	4.73%	Put
1984	—BRF SA	59,700	$672K	4.72%	Put
1985	CLCOLGATE PALMOLIVE CO	8,895	$671K	4.72%
1986	—BLUE APRON HLDGS INC	166,400	$671K	4.72%	Call
1987	—TEEKAY OFFSHORE PARTNERS L P	283,700	$670K	4.71%	Put
1988	—COLONY NORTHSTAR INC	58,700	$670K	4.71%	Put
1989	XXII22ND CENTY GROUP INC	238,301	$667K	4.69%
1990	RRYDER SYS INC	7,929	$667K	4.69%
1991	—PROOFPOINT INC	7,500	$666K	4.68%	Call
1992	LYGLLOYDS BANKING GROUP PLC	177,496	$666K	4.68%
1993	—PHOENIX NEW MEDIA LTD	102,432	$665K	4.67%
1994	—STARWOOD PPTY TR INC	31,100	$664K	4.67%	Call
1995	—VIRNETX HLDG CORP	179,400	$664K	4.67%	Call
1996	—MICRO FOCUS INTERNATIONAL PL	19,700	$662K	4.65%	Call
1997	XXYCROSS CTRY HEALTHCARE INC	51,789	$661K	4.65%
1998	—MEREDITH CORP	10,000	$661K	4.65%	Put
1999	—PANDORA MEDIA INC	136,969	$660K	4.64%
2000	—FIBROGEN INC	13,900	$659K	4.63%	Call

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