GROUP ONE TRADING LLC Q1 2018 Filing

Filed May 11, 2018

Portfolio Value

$10.5M

Holdings

4,806

Report Date

Q1 2018

Filing Type

13F-HR

All Holdings (4,806 positions)

#	Stock	Shares	Value	% Portfolio	Type
1801	MARMARRIOTT INTL INC NEW	5,200	$707K	6.71%	Call
1802	—TAILORED BRANDS INC	28,200	$707K	6.71%	Call
1803	—ETFIS SER TR I	103,400	$707K	6.71%	Call
1804	PLNTPLANET FITNESS INC	18,600	$703K	6.67%	Put
1805	—BEST INC	68,000	$700K	6.64%	Call
1806	LWLAMB WESTON HLDGS INC	12,000	$699K	6.63%	Put
1807	—MARINUS PHARMACEUTICALS INC	182,900	$699K	6.63%	Put
1808	—PROGENICS PHARMACEUTICALS IN	93,500	$698K	6.63%	Put
1809	—HOSTESS BRANDS INC	47,100	$697K	6.62%	Call
1810	—22ND CENTY GROUP INC	296,500	$697K	6.62%	Put
1811	—CONNS INC	20,500	$697K	6.62%	Put
1812	TXTTEXTRON INC	11,800	$696K	6.61%	Call
1813	—SOGOU INC	84,300	$695K	6.60%	Call
1814	EIXEDISON INTL	10,900	$694K	6.59%	Put
1815	TKRTIMKEN CO	15,200	$693K	6.58%	Call
1816	—JA SOLAR HOLDINGS CO LTD	105,542	$692K	6.57%
1817	2362120DSINCLAIR BROADCAST GROUP INC	22,083	$691K	6.56%
1818	—SPECTRUM PHARMACEUTICALS INC	42,900	$690K	6.55%	Call
1819	—AVON PRODS INC	242,600	$689K	6.54%	Call
1820	RJFRAYMOND JAMES FINANCIAL INC	7,700	$688K	6.53%	Call
1821	—HIBBETT SPORTS INC	28,700	$687K	6.52%	Put
1822	—WPX ENERGY INC	46,416	$686K	6.51%
1823	CNXCNX RESOURCES CORPORATION	44,400	$685K	6.50%	Put
1824	—WILLIAMS PARTNERS L P NEW	19,900	$685K	6.50%	Put
1825	OSURORASURE TECHNOLOGIES INC	40,500	$684K	6.49%	Call
1826	—SERVICESOURCE INTL INC	179,347	$683K	6.48%
1827	—CLOUDERA INC	31,600	$682K	6.47%	Put
1828	IMAXIMAX CORP	35,500	$682K	6.47%	Put
1829	IEPICAHN ENTERPRISES LP	11,957	$682K	6.47%
1830	DQDAQO NEW ENERGY CORP	13,900	$680K	6.45%	Put
1831	—PENNEY J C INC	224,800	$679K	6.45%	Call
1832	—MAXWELL TECHNOLOGIES INC	114,446	$679K	6.45%
1833	ZTOZTO EXPRESS CAYMAN INC	45,200	$678K	6.44%	Call
1834	—BMC STK HLDGS INC	34,614	$677K	6.43%
1835	—ENDOLOGIX INC	1,600	$677K	6.43%	Call
1836	—GLU MOBILE INC	179,200	$676K	6.42%	Call
1837	—AMERICAN AXLE & MFG HLDGS IN	44,400	$676K	6.42%	Put
1838	—DEAN FOODS CO NEW	78,100	$673K	6.39%	Put
1839	—ACHILLION PHARMACEUTICALS IN	181,200	$672K	6.38%	Call
1840	—NOBLE CORP PLC	181,200	$672K	6.38%	Call
1841	CAHCARDINAL HEALTH INC	10,700	$671K	6.37%	Call
1842	PCRXPACIRA PHARMACEUTICALS INC	21,508	$670K	6.36%
1843	—INVITAE CORP	142,800	$670K	6.36%	Call
1844	HOLXHOLOGIC INC	17,899	$669K	6.35%
1845	—WRIGHT MED GROUP N V	33,700	$669K	6.35%	Put
1846	MSMMSC INDL DIRECT INC	7,300	$669K	6.35%	Call
1847	ZTSZOETIS INC	8,000	$668K	6.34%	Put
1848	—OFFICE DEPOT INC	310,800	$668K	6.34%	Call
1849	VNET21VIANET GROUP INC	96,400	$668K	6.34%	Put
1850	TEOTELECOM ARGENTINA S A	1,100	$666K	6.32%	Call
1851	GRMNGARMIN LTD	11,300	$666K	6.32%	Call
1852	BANCBANC OF CALIFORNIA INC	34,400	$664K	6.30%	Put
1853	ZTOZTO EXPRESS CAYMAN INC	44,300	$664K	6.30%	Put
1854	EEFTEURONET WORLDWIDE INC	8,400	$663K	6.29%	Put
1855	LNCLINCOLN NATL CORP IND	9,063	$662K	6.28%
1856	—ROCKWELL COLLINS INC	4,900	$661K	6.27%	Call
1857	SUNSUNOCO LP	25,897	$661K	6.27%
1858	—GRUBHUB INC	6,500	$660K	6.26%	Call
1859	GRMNGARMIN LTD	11,200	$660K	6.26%	Put
1860	MCDMCDONALDS CORP	4,200	$657K	6.24%	Put
1861	—SIBANYE STILLWATER	164,700	$657K	6.24%	Put
1862	—WHITING PETE CORP NEW	19,400	$657K	6.24%	Call
1863	—SPIRIT AIRLS INC	17,400	$657K	6.24%	Call
1864	CODICOMPASS DIVERSIFIED HOLDINGS	400	$656K	6.23%	Put
1865	CVICVR ENERGY INC	21,700	$656K	6.23%	Put
1866	PNFPPINNACLE FINL PARTNERS INC	10,200	$655K	6.22%	Call
1867	AVAVAEROVIRONMENT INC	14,400	$655K	6.22%	Call
1868	GPROGOPRO INC	136,739	$655K	6.22%
1869	—VASCO DATA SEC INTL INC	50,600	$655K	6.22%	Call
1870	—HD SUPPLY HLDGS INC	17,200	$653K	6.20%	Put
1871	—PARSLEY ENERGY INC	22,500	$652K	6.19%	Call
1872	—ENDO INTL PLC	109,800	$652K	6.19%	Call
1873	CORTCORCEPT THERAPEUTICS INC	39,600	$651K	6.18%	Put
1874	CRSPCRISPR THERAPEUTICS AG	14,193	$649K	6.16%
1875	—UNITED NAT FOODS INC	15,100	$648K	6.15%	Call
1876	—PARTY CITY HOLDCO INC	41,500	$647K	6.14%	Call
1877	ENTAENANTA PHARMACEUTICALS INC	8,000	$647K	6.14%	Call
1878	GNWGENWORTH FINL INC	228,500	$647K	6.14%	Call
1879	—CHIMERA INVT CORP	37,100	$646K	6.13%	Call
1880	—CANTEL MEDICAL CORP	5,800	$646K	6.13%	Put
1881	—LHC GROUP INC	10,500	$646K	6.13%	Call
1882	SFIXSTITCH FIX INC	31,800	$645K	6.12%	Put
1883	QUREUNIQURE NV	27,400	$644K	6.11%	Call
1884	IOVAIOVANCE BIOTHERAPEUTICS INC	38,100	$644K	6.11%	Call
1885	—BIOHAVEN PHARMACTL HLDG CO L	25,000	$644K	6.11%	Call
1886	PAYCPAYCOM SOFTWARE INC	6,000	$644K	6.11%	Call
1887	UALUNITED CONTL HLDGS INC	9,249	$643K	6.10%
1888	PEGAPEGASYSTEMS INC	10,600	$643K	6.10%	Put
1889	DVNDEVON ENERGY CORP NEW	20,200	$642K	6.09%	Call
1890	HDHOME DEPOT INC	3,600	$642K	6.09%	Call
1891	—CENTURY CMNTYS INC	21,400	$641K	6.08%	Put
1892	—AERIE PHARMACEUTICALS INC	11,800	$640K	6.07%	Put
1893	GOOSCANADA GOOSE HOLDINGS INC	19,112	$639K	6.07%
1894	—CEDAR FAIR L P	100	$639K	6.07%	Call
1895	FLOFLOWERS FOODS INC	29,200	$638K	6.06%	Put
1896	—TJX COS INC NEW	7,800	$636K	6.04%	Put
1897	DLBDOLBY LABORATORIES INC	10,000	$636K	6.04%	Put
1898	—BANCORPSOUTH BK TUPELO MISS	200	$636K	6.04%	Put
1899	7HPHP INC	29,027	$636K	6.04%
1900	TTETOTAL S A	11,000	$635K	6.03%	Put

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