GROUP ONE TRADING LLC Q1 2017 Filing

Filed May 10, 2017

Portfolio Value

$8.6M

Holdings

4,605

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (4,605 positions)

#	Stock	Shares	Value	% Portfolio	Type
1901	—NANTHEALTH INC	95,000	$471K	5.48%	Put
1902	GGENPACT LIMITED	19,000	$470K	5.47%	Call
1903	—AQUA METALS INC	23,900	$467K	5.44%	Call
1904	—WRIGHT MED GROUP N V	15,000	$467K	5.44%	Call
1905	—ARENA PHARMACEUTICALS INC	319,800	$467K	5.44%	Call
1906	—SRC ENERGY INC	55,300	$467K	5.44%	Call
1907	HRLHORMEL FOODS CORP	13,454	$466K	5.43%
1908	—AMERICAN OUTDOOR BRANDS CORP	23,500	$466K	5.43%	Call
1909	NOKNOKIA CORP	85,800	$465K	5.41%	Call
1910	—CARA THERAPEUTICS INC	25,200	$463K	5.39%	Put
1911	BBYBEST BUY INC	9,400	$462K	5.38%	Call
1912	DPZDOMINOS PIZZA INC	2,500	$461K	5.37%	Call
1913	CYHCOMMUNITY HEALTH SYS INC NEW	52,000	$461K	5.37%	Put
1914	—SODASTREAM INTERNATIONAL LTD	9,500	$460K	5.36%	Put
1915	BOXBOX INC	28,150	$459K	5.34%
1916	SUSUNCOR ENERGY INC NEW	14,858	$457K	5.32%
1917	ORANYORANGE	29,398	$457K	5.32%
1918	—AMERICAN OUTDOOR BRANDS CORP	23,000	$456K	5.31%	Put
1919	—MANITOWOC INC	79,944	$456K	5.31%
1920	—HEADWATERS INC	19,381	$455K	5.30%
1921	NBIXNEUROCRINE BIOSCIENCES INC	10,500	$455K	5.30%	Put
1922	RITMNEW RESIDENTIAL INVT CORP	26,770	$455K	5.30%
1923	EDITEDITAS MEDICINE INC	20,400	$455K	5.30%	Call
1924	LYGLLOYDS BANKING GROUP PLC	133,600	$454K	5.29%	Call
1925	—INTERPUBLIC GROUP COS INC	18,400	$452K	5.26%	Call
1926	TKRTIMKEN CO	10,000	$452K	5.26%	Call
1927	NBRNABORS INDUSTRIES LTD	34,471	$451K	5.25%
1928	—FIBROGEN INC	18,200	$449K	5.23%	Call
1929	—TELECOM ITALIA S P A NEW	49,800	$449K	5.23%	Put
1930	—AARONS INC	15,000	$446K	5.19%	Call
1931	—U S CONCRETE INC	6,900	$445K	5.18%	Put
1932	EATBRINKER INTL INC	10,100	$444K	5.17%	Put
1933	BGBUNGE LIMITED	5,591	$443K	5.16%
1934	—WORLD WRESTLING ENTMT INC	19,900	$442K	5.15%	Call
1935	—COMPUTER SCIENCES CORP	6,400	$442K	5.15%	Put
1936	35VVEON LTD	108,187	$441K	5.13%
1937	MTDRMATADOR RES CO	18,500	$440K	5.12%	Call
1938	MOSMOSAIC CO NEW	15,000	$438K	5.10%	Call
1939	—ROCKET FUEL INC	81,800	$438K	5.10%	Call
1940	ETSYETSY INC	41,100	$437K	5.09%	Put
1941	—ROYAL BK CDA MONTREAL QUE	6,000	$437K	5.09%	Put
1942	CCLCARNIVAL CORP	7,400	$436K	5.08%	Call
1943	—AGNC INVT CORP	21,900	$436K	5.08%	Call
1944	—ROCKWELL MED INC	69,532	$435K	5.06%
1945	—ARATANA THERAPEUTICS INC	82,100	$435K	5.06%	Put
1946	AFLAFLAC INC	6,000	$435K	5.06%	Put
1947	MCHPMICROCHIP TECHNOLOGY INC	5,902	$435K	5.06%
1948	—OWENS ILL INC	21,300	$434K	5.05%	Call
1949	—KERYX BIOPHARMACEUTICALS INC	70,300	$433K	5.04%	Call
1950	PSTGPURE STORAGE INC	44,001	$433K	5.04%
1951	RUBIEURRUBICON PROJ INC	73,441	$433K	5.04%
1952	BCCBOISE CASCADE CO DEL	16,200	$433K	5.04%	Put
1953	—CHIMERA INVT CORP	21,400	$432K	5.03%	Put
1954	GDDYGODADDY INC	11,400	$432K	5.03%	Put
1955	AESAES CORP	38,612	$432K	5.03%
1956	PAYCPAYCOM SOFTWARE INC	7,500	$431K	5.02%	Call
1957	MSIMOTOROLA SOLUTIONS INC	5,000	$431K	5.02%	Call
1958	—CALITHERA BIOSCIENCES INC	37,200	$430K	5.01%	Put
1959	—IDERA PHARMACEUTICALS INC	174,127	$430K	5.01%
1960	—ZENDESK INC	15,300	$429K	4.99%	Put
1961	—ASSEMBLY BIOSCIENCES INC	16,800	$428K	4.98%	Put
1962	NEWREURNEW RELIC INC	11,510	$427K	4.97%
1963	—SIERRA WIRELESS INC	16,100	$427K	4.97%	Put
1964	—HEADWATERS INC	18,200	$427K	4.97%	Call
1965	—PINNACLE ENTMT INC NEW	21,896	$427K	4.97%
1966	TRUTRANSUNIO N	11,104	$426K	4.96%
1967	OHIOMEGA HEALTHCARE INVS INC	12,900	$426K	4.96%	Call
1968	PLOWDOUGLAS DYNAMICS INC	13,900	$426K	4.96%	Call
1969	—ASCENA RETAIL GROUP INC	99,800	$425K	4.95%	Call
1970	—TRONOX LTD	23,000	$424K	4.94%	Put
1971	NEENEXTERA ENERGY INC	3,300	$424K	4.94%	Put
1972	—ROSETTA STONE INC	43,400	$423K	4.92%	Put
1973	—CVR REFNG LP	44,800	$423K	4.92%	Put
1974	—ENLINK MIDSTREAM PARTNERS LP	23,100	$423K	4.92%	Call
1975	KTOSKRATOS DEFENSE & SEC SOLUTIO	54,200	$422K	4.91%	Call
1976	WWAYFAIR INC	10,415	$422K	4.91%
1977	—AXOVANT SCIENCES LTD	28,200	$421K	4.90%	Call
1978	—BUNGE LIMITED	5,300	$420K	4.89%	Put
1979	BCRXBIOCRYST PHARMACEUTICALS	49,900	$419K	4.88%	Put
1980	—VIRNETX HLDG CORP	181,700	$418K	4.87%	Put
1981	NAKNORTHERN DYNASTY MINERALS LT	292,200	$418K	4.87%	Call
1982	AEOAMERICAN EAGLE OUTFITTERS NE	29,700	$417K	4.86%	Call
1983	—UNIVERSAL INS HLDGS INC	17,000	$417K	4.86%	Put
1984	—GRAN TIERRA ENERGY INC	157,400	$416K	4.84%	Put
1985	—GRUPO FINANCIERO SANTANDER M	45,800	$414K	4.82%	Call
1986	COHUCOHU INC	22,432	$414K	4.82%
1987	TGTXTG THERAPEUTICS INC	35,489	$413K	4.81%
1988	—SCHNITZER STL INDS	20,000	$413K	4.81%	Call
1989	WTIW & T OFFSHORE INC	148,200	$411K	4.79%	Put
1990	BGSB & G FOODS INC NEW	10,200	$411K	4.79%	Put
1991	—RUTHS HOSPITALITY GROUP INC	20,500	$411K	4.79%	Call
1992	—CDK GLOBAL INC	6,300	$410K	4.77%	Put
1993	VTRVENTAS INC	6,300	$410K	4.77%	Put
1994	FORMFORMFACTOR INC	34,600	$410K	4.77%	Call
1995	—LOGMEIN INC	4,200	$410K	4.77%	Call
1996	—AEROJET ROCKETDYNE HLDGS INC	18,900	$410K	4.77%	Put
1997	—ASHLAND GLOBAL HLDGS INC	3,300	$409K	4.76%	Call
1998	STNGSCORPIO TANKERS INC	92,099	$409K	4.76%
1999	—CEMPRA INC	108,900	$408K	4.75%	Put
2000	—SOUTHCROSS ENERGY PARTNERS L	117,100	$408K	4.75%	Put

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