GROUP ONE TRADING LLC Q2 2017 Filing

Filed August 14, 2017

Portfolio Value

$9.6M

Holdings

4,726

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (4,726 positions)

#	Stock	Shares	Value	% Portfolio	Type
1901	CERSCERUS CORP	228,000	$572K	5.94%	Put
1902	CBRECBRE GROUP INC	15,700	$571K	5.93%	Put
1903	SKAASKECHERS U S A INC	19,348	$571K	5.93%
1904	SCCOSOUTHERN COPPER CORP	16,500	$571K	5.93%	Put
1905	BHPBHP BILLITON LTD	16,017	$570K	5.92%
1906	ADNTADIENT PLC	8,707	$569K	5.91%
1907	—DUNKIN BRANDS GROUP INC	10,300	$568K	5.90%	Put
1908	CMCCOMMERCIAL METALS CO	29,200	$567K	5.89%	Call
1909	—PURE STORAGE INC	44,300	$567K	5.89%	Put
1910	—GROUPON INC	147,300	$566K	5.88%	Put
1911	SIVBEURSVB FINL GROUP	3,220	$566K	5.88%
1912	—ROCKWELL MED INC	71,300	$565K	5.87%	Put
1913	DHRDANAHER CORP DEL	6,700	$565K	5.87%	Put
1914	NEWREURNEW RELIC INC	13,126	$565K	5.87%
1915	—HANESBRANDS INC	24,400	$565K	5.87%	Put
1916	EGHT8X8 INC NEW	38,600	$562K	5.84%	Call
1917	GISGENERAL MLS INC	10,129	$561K	5.83%
1918	—PARSLEY ENERGY INC	20,191	$560K	5.82%
1919	IPHIINPHI CORP	16,330	$560K	5.82%
1920	TRMBTRIMBLE INC	15,700	$560K	5.82%	Put
1921	CYTKCYTOKINETICS INC	46,200	$559K	5.81%	Put
1922	COLROCKWELL COLLINS INC	5,287	$556K	5.78%
1923	—CYS INVTS INC	66,000	$555K	5.77%	Put
1924	SYYSYSCO CORP	11,000	$554K	5.76%	Put
1925	CRREURCARBO CERAMICS INC	80,873	$554K	5.76%
1926	FCFRANKLIN COVEY CO	28,700	$554K	5.76%	Put
1927	—SPARK THERAPEUTICS INC	9,254	$553K	5.75%
1928	STNGSCORPIO TANKERS INC	139,166	$552K	5.74%
1929	—ORGANOVO HLDGS INC	210,000	$552K	5.74%	Put
1930	EDGGOLD FIELDS LTD NEW	158,240	$551K	5.73%
1931	SINASINA CORP	6,473	$550K	5.71%
1932	—NEW YORK CMNTY BANCORP INC	41,900	$550K	5.71%	Put
1933	—NANTKWEST INC	72,400	$550K	5.71%	Call
1934	ALLALLSTATE CORP	6,200	$548K	5.69%	Call
1935	HTLDEXPRESS INC	81,206	$548K	5.69%
1936	—PATTERN ENERGY GROUP INC	23,000	$548K	5.69%	Put
1937	TRGPTARGA RES CORP	12,100	$547K	5.68%	Call
1938	—NORTH ATLANTIC DRILLING LTD	411,500	$547K	5.68%	Call
1939	—MAXWELL TECHNOLOGIES INC	91,400	$547K	5.68%	Call
1940	ANFABERCROMBIE & FITCH CO	44,000	$547K	5.68%	Call
1941	EDITEDITAS MEDICINE INC	32,400	$544K	5.65%	Call
1942	—AGNC INVT CORP	25,500	$543K	5.64%	Put
1943	—MICROSEMI CORP	11,594	$543K	5.64%
1944	—SOCIEDAD QUIMICA MINERA DE C	16,400	$542K	5.63%	Put
1945	—ONEOK PARTNERS LP	10,600	$541K	5.62%	Put
1946	—KINDRED HEALTHCARE INC	46,200	$538K	5.59%	Put
1947	—ADVISORY BRD CO	10,434	$537K	5.58%
1948	—APOLLO INVT CORP	84,000	$537K	5.58%	Put
1949	—ADAMIS PHARMACEUTICALS CORP	102,904	$535K	5.56%
1950	—HORIZON PHARMA PLC	44,867	$533K	5.54%
1951	—SONIC CORP	20,100	$532K	5.53%	Put
1952	—MULESOFT INC	21,300	$531K	5.52%	Put
1953	GERNGERON CORP	190,800	$529K	5.50%	Call
1954	NUENUCOR CORP	9,126	$528K	5.49%
1955	GKOSGLAUKOS CORP	12,700	$527K	5.48%	Put
1956	—TRITON INTL LTD	15,700	$525K	5.45%	Put
1957	SOSOUTHERN CO	10,960	$525K	5.45%
1958	MACMACERICH CO	9,037	$525K	5.45%
1959	—QEP RES INC	52,000	$525K	5.45%	Call
1960	OXYOCCIDENTAL PETE CORP DEL	8,752	$524K	5.44%
1961	UBSUBS GROUP AG	30,775	$523K	5.43%
1962	—PARATEK PHARMACEUTICALS INC	21,700	$523K	5.43%	Put
1963	RPDRAPID7 INC	31,000	$522K	5.42%	Call
1964	—WENDYS CO	33,500	$520K	5.40%	Call
1965	—GASLOG LTD	34,000	$519K	5.39%	Put
1966	—CORNERSTONE ONDEMAND INC	14,500	$518K	5.38%	Call
1967	—GALENA BIOPHARMA INC	889,700	$517K	5.37%	Call
1968	—WESTERN UN CO	27,100	$516K	5.36%	Put
1969	—ATLANTICA YIELD PLC	24,100	$515K	5.35%	Put
1970	TEFOFTELEFONIC A S A	49,600	$515K	5.35%	Call
1971	PCARPACCAR INC	7,800	$515K	5.35%	Call
1972	CRMSALESFORCE COM INC	5,929	$513K	5.33%
1973	AAOIAPPLIED OPTOELECTRONICS INC	8,307	$513K	5.33%
1974	—IRON MTN INC NEW	14,900	$512K	5.32%	Call
1975	JACKJACK IN THE BOX INC	5,200	$512K	5.32%	Call
1976	LEALEAR CORP	3,600	$511K	5.31%
1977	—WESTERN UN CO	26,800	$511K	5.31%	Call
1978	—LIBERTY GLOBAL PLC	15,900	$511K	5.31%	Put
1979	GRMNGARMIN LTD	10,000	$510K	5.30%	Call
1980	—TESORO CORP	5,449	$510K	5.30%
1981	ICPTUSDINTERCEPT PHARMACEUTICALS IN	4,204	$509K	5.29%
1982	—LAYNE CHRISTENSEN CO	57,900	$509K	5.29%	Call
1983	—COTT CORP QUE	35,100	$507K	5.27%	Call
1984	HRBBLOCK H & R INC	16,400	$507K	5.27%	Call
1985	URIUNITED RENTALS INC	4,500	$507K	5.27%	Call
1986	SQMSOCIEDAD QUIMICA MINERA DE C	15,322	$506K	5.26%
1987	AKBAAKEBIA THERAPEUTICS INC	35,200	$506K	5.26%	Call
1988	—LINE CORP	14,400	$501K	5.21%	Call
1989	ESPRESPERION THERAPEUTICS INC NE	10,810	$500K	5.20%
1990	5TCTRUECAR INC	25,099	$500K	5.20%
1991	FNFABRINET	11,700	$499K	5.18%	Put
1992	—RESOLUTE FST PRODS INC	113,200	$498K	5.17%	Call
1993	NENOBLE CORP PLC	137,592	$498K	5.17%
1994	—GLOBUS MED INC	15,000	$497K	5.16%	Call
1995	—SIBANYE GOLD LTD	107,300	$497K	5.16%	Call
1996	KTOSKRATOS DEFENSE & SEC SOLUTIO	41,800	$496K	5.15%	Call
1997	SBUXSTARBUCKS CORP	8,500	$496K	5.15%	Call
1998	UNPUNION PAC CORP	4,554	$496K	5.15%
1999	NLYEURANNALY CAP MGMT INC	41,173	$496K	5.15%
2000	—COEUR MNG INC	57,700	$495K	5.14%	Call

PreviousPage 20 of 48Next