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
1801	IAGIAMGOLD CORP	148,300	$865K	6.08%	Put
1802	—ACORDA THERAPEUTICS INC	40,300	$864K	6.07%	Put
1803	—EROS INTL PLC	89,400	$863K	6.07%	Call
1804	—GREENBRIER COS INC	16,200	$863K	6.07%	Put
1805	—AMTRUST FINL SVCS INC	85,579	$862K	6.06%
1806	—DOMTAR CORP	17,400	$862K	6.06%	Call
1807	NENOBLE CORP PLC	189,941	$859K	6.04%
1808	BZUNBAOZUN INC	27,197	$858K	6.03%
1809	SFSTIFEL FINL CORP	14,400	$858K	6.03%	Call
1810	TEXTEREX CORP NEW	17,800	$858K	6.03%	Call
1811	—ENDOLOGIX INC	1,600	$856K	6.02%	Call
1812	QUREUNIQURE NV	43,600	$854K	6.00%	Call
1813	UEOWESTLAKE CHEM CORP	8,003	$853K	5.99%
1814	—ABEONA THERAPEUTICS INC	53,800	$853K	5.99%	Put
1815	FNDFLOOR & DECOR HLDGS INC	17,500	$852K	5.99%	Call
1816	—DUNKIN BRANDS GROUP INC	13,200	$851K	5.98%	Put
1817	VOYAVOYA FINL INC	17,200	$851K	5.98%	Call
1818	ERIIENERGY RECOVERY INC	97,000	$849K	5.97%	Put
1819	HRLHORMEL FOODS CORP	23,306	$848K	5.96%
1820	LGIHLGI HOMES INC	11,300	$848K	5.96%	Put
1821	NSMNATIONSTAR MTG HLDGS INC	45,826	$848K	5.96%
1822	—VIRNETX HLDG CORP	228,051	$844K	5.93%
1823	ITCIEURINTRA CELLULAR THERAPIES INC	58,182	$842K	5.92%
1824	ENTAENANTA PHARMACEUTICALS INC	14,300	$839K	5.90%	Call
1825	NKENIKE INC	13,400	$838K	5.89%	Call
1826	ALRMALARM COM HLDGS INC	22,200	$838K	5.89%	Put
1827	—ADAMAS PHARMACEUTICALS INC	24,700	$837K	5.88%	Put
1828	—AIMMUNE THERAPEUTICS INC	22,100	$836K	5.88%	Put
1829	NOKNOKIA CORP	179,200	$835K	5.87%	Put
1830	NOWSERVICENOW INC	6,400	$835K	5.87%	Call
1831	KEYSKEYSIGHT TECHNOLOGIES INC	20,000	$832K	5.85%	Put
1832	—BED BATH & BEYOND INC	37,800	$831K	5.84%	Put
1833	—CBL & ASSOC PPTYS INC	146,687	$830K	5.83%
1834	WIXWIX COM LTD	14,408	$829K	5.83%
1835	KMXCARMAX INC	12,890	$827K	5.81%
1836	—UNIVERSAL INS HLDGS INC	30,200	$826K	5.81%	Put
1837	—ARQULE INC	5,000	$825K	5.80%	Call
1838	—ATHENAHEALTH INC	6,200	$825K	5.80%	Call
1839	—AVEO PHARMACEUTICALS INC	295,600	$825K	5.80%	Call
1840	SANDSANDSTORM GOLD LTD	164,500	$821K	5.77%	Put
1841	—SRC ENERGY INC	96,300	$821K	5.77%	Call
1842	—COEUR MNG INC	109,200	$819K	5.76%	Call
1843	YRDYIRENDAI LTD	18,615	$819K	5.76%
1844	—GLU MOBILE INC	224,900	$819K	5.76%	Put
1845	CRKCOMSTOCK RES INC	96,808	$819K	5.76%
1846	CEOCNOOC LTD	5,700	$818K	5.75%
1847	—SYNCHRONOSS TECHNOLOGIES INC	91,400	$817K	5.74%	Put
1848	MSFTMICROSOFT CORP	9,500	$813K	5.71%	Call
1849	NEENEXTERA ENERGY INC	5,200	$812K	5.71%	Call
1850	HLHECLA MNG CO	204,058	$810K	5.69%
1851	ICHRICHOR HOLDINGS	32,876	$809K	5.69%
1852	AIZASSURANT INC	8,000	$807K	5.67%	Put
1853	—DERMIRA INC	29,000	$806K	5.66%	Put
1854	—WELLCARE HEALTH PLANS INC	4,000	$804K	5.65%	Call
1855	AEISADVANCED ENERGY INDS	11,900	$803K	5.64%	Call
1856	—REALOGY HLDGS CORP	30,300	$803K	5.64%	Put
1857	TPHTRI POINTE GROUP INC	44,700	$801K	5.63%	Put
1858	CLLSCELLECTIS S A	27,400	$799K	5.62%	Call
1859	MXMAGNACHIP SEMICONDUCTOR CORP	80,175	$798K	5.61%
1860	BBDBANCO BRADESCO S A	77,500	$794K	5.58%	Put
1861	ARWRARROWHEAD PHARMACEUTICALS IN	215,600	$793K	5.57%	Call
1862	POSTPOST HLDGS INC	10,000	$792K	5.57%	Put
1863	NTLAINTELLIA THERAPEUTICS INC	41,100	$790K	5.55%	Call
1864	HRLHORMEL FOODS CORP	21,700	$790K	5.55%	Put
1865	—EQT MIDSTREAM PARTNERS LP	10,800	$789K	5.55%	Call
1866	GOGOGOGO INC	69,900	$788K	5.54%	Put
1867	VCVISTEON CORP	6,300	$788K	5.54%	Call
1868	PETSPETMED EXPRESS INC	17,300	$787K	5.53%	Call
1869	AMTAMERICAN TOWER CORP NEW	5,500	$785K	5.52%	Call
1870	SRGSERITAGE GROWTH PPTYS	19,400	$785K	5.52%	Call
1871	—COLONY NORTHSTAR INC	68,598	$783K	5.50%
1872	—LINE CORP	19,100	$783K	5.50%	Put
1873	—BROOKDALE SR LIVING INC	80,700	$783K	5.50%	Put
1874	—SINA CORP	7,800	$782K	5.50%	Put
1875	EMREMERSON ELEC CO	11,195	$780K	5.48%
1876	—CRESTWOOD EQUITY PARTNERS LP	30,200	$779K	5.47%	Call
1877	FCFRANKLIN COVEY CO	37,500	$778K	5.47%	Call
1878	NAKNORTHERN DYNASTY MINERALS LT	438,914	$777K	5.46%
1879	—KERYX BIOPHARMACEUTICALS INC	167,000	$777K	5.46%	Put
1880	—BGC PARTNERS INC	51,200	$774K	5.44%	Call
1881	GRMNGARMIN LTD	13,000	$774K	5.44%	Put
1882	TSMTAIWAN SEMICONDUCTOR MFG LTD	19,500	$773K	5.43%	Put
1883	SCCOSOUTHERN COPPER CORP	16,300	$773K	5.43%	Call
1884	—WESTERN UN CO	40,600	$772K	5.43%	Put
1885	—WILDHORSE RESOURCE DEV CORP	41,900	$771K	5.42%	Put
1886	WALWESTERN ALLIANCE BANCORP	13,600	$770K	5.41%	Call
1887	—LA JOLLA PHARMACEUTICAL CO	23,900	$769K	5.40%	Put
1888	—FUELCELL ENERGY INC	452,400	$769K	5.40%	Call
1889	NOVEURNATIONAL OILWELL VARCO INC	21,170	$763K	5.36%
1890	DINDINEEQUITY INC	15,000	$761K	5.35%	Put
1891	—LEUCADIA NATL CORP	28,700	$760K	5.34%	Call
1892	OREALTY INCOME CORP	13,303	$759K	5.33%
1893	—HOSPITALITY PPTYS TR	25,400	$758K	5.33%	Put
1894	DELLDELL TECHNOLOGIES INC	9,318	$757K	5.32%
1895	TTETOTAL S A	13,700	$757K	5.32%	Put
1896	NLYANNALY CAP MGMT INC	63,400	$754K	5.30%	Call
1897	—TRITON INTL LTD	20,100	$753K	5.29%	Call
1898	—DENBURY RES INC	340,200	$752K	5.28%	Put
1899	—COMPANIA DE MINAS BUENAVENTU	53,400	$752K	5.28%	Put
1900	BGSB & G FOODS INC NEW	21,300	$749K	5.26%	Put

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