GROUP ONE TRADING LLC Q1 2016 Filing

Filed May 12, 2016

Portfolio Value

$7.1M

Holdings

4,548

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (4,548 positions)

#	Stock	Shares	Value	% Portfolio	Type
1801	—AMERICAN CAPITAL AGENCY CORP	23,800	$443K	6.25%	Put
1802	PCGPG&E CORP	7,400	$442K	6.24%	Put
1803	—SIERRA WIRELESS INC	30,300	$441K	6.23%	Put
1804	—ALLIANCEBERNSTEIN HOLDING LP	18,800	$440K	6.21%	Call
1805	SHAKSHAKE SHACK INC	11,800	$440K	6.21%	Put
1806	—ARIAD PHARMACEUTICALS INC	68,900	$440K	6.21%	Put
1807	—CELATOR PHARMACEUTICALS INC	39,800	$439K	6.20%	Put
1808	—SYNGENTA AG	5,300	$439K	6.20%	Put
1809	—BITAUTO HLDGS LTD	17,700	$439K	6.20%	Put
1810	—CARRIZO OIL & GAS INC	14,170	$438K	6.18%
1811	—DISCOVERY COMMUNICATNS NEW	15,300	$438K	6.18%	Put
1812	—LAZARD LTD	11,300	$438K	6.18%	Call
1813	—BED BATH & BEYOND INC	8,809	$437K	6.17%
1814	MDXGMIMEDX GROUP INC	50,000	$437K	6.17%	Put
1815	—ACCELERATE DIAGNOSTICS INC	30,400	$437K	6.17%	Call
1816	POT1EURPOTASH CORP SASK INC	25,560	$435K	6.14%
1817	LENLENNAR CORP	9,000	$435K	6.14%	Call
1818	MRVLMARVELL TECHNOLOGY GROUP LTD	42,167	$435K	6.14%
1819	—NOVAGOLD RES INC	86,100	$434K	6.13%	Put
1820	GLREGREENLIGHT CAPITAL RE LTD	19,900	$434K	6.13%	Call
1821	CMCDN IMPERIAL BK COMM TORONTO	5,800	$433K	6.11%	Put
1822	—RICE ENERGY INC	31,000	$433K	6.11%	Call
1823	SUNSUNOCO LP	13,000	$431K	6.08%	Call
1824	VIAVVIAVI SOLUTIONS INC	62,900	$431K	6.08%	Call
1825	BRBROADRIDGE FINL SOLUTIONS IN	7,268	$431K	6.08%
1826	WDAYWORKDAY INC	5,600	$430K	6.07%	Put
1827	—COLFAX CORP	15,000	$429K	6.06%	Put
1828	—CHIMERA INVT CORP	31,600	$429K	6.06%	Put
1829	RCLROYAL CARIBBEAN CRUISES LTD	5,200	$427K	6.03%	Call
1830	—BLOCK H & R INC	16,100	$425K	6.00%	Put
1831	—MCDERMOTT INTL INC	103,400	$423K	5.97%	Put
1832	—MOMO INC	37,500	$422K	5.96%	Call
1833	OLEDUNIVERSAL DISPLAY CORP	7,800	$422K	5.96%	Call
1834	VTYVERINT SYS INC	12,600	$421K	5.94%
1835	—HI-CRUSH PARTNERS LP	84,900	$421K	5.94%	Put
1836	—QUOTIENT TECHNOLOGY INC	39,700	$421K	5.94%	Call
1837	GAPGAP INC DEL	14,300	$420K	5.93%	Call
1838	—QLIK TECHNOLOGIES INC	14,500	$419K	5.92%	Call
1839	AMTTD AMERITRADE HLDG CORP	13,232	$417K	5.89%
1840	HASHASBRO INC	5,200	$417K	5.89%	Put
1841	ARMKARAMARK	12,600	$417K	5.89%	Call
1842	NEONEOGENOMICS INC	61,600	$415K	5.86%	Call
1843	—LOGMEIN INC	8,200	$414K	5.84%	Put
1844	USACUSA COMPRESSION PARTNERS LP	35,201	$414K	5.84%
1845	GSATUSDGLOBALSTAR INC	281,840	$414K	5.84%
1846	MOSMOSAIC CO NEW	15,300	$413K	5.83%	Put
1847	—CVR PARTNERS LP	49,400	$413K	5.83%	Call
1848	—DIEBOLD INC	14,300	$413K	5.83%	Put
1849	VOCVOC ENERGY TR	150,200	$412K	5.82%	Call
1850	EXPEEXPEDIA INC DEL	3,814	$411K	5.80%
1851	—NETSUITE INC	6,000	$411K	5.80%	Call
1852	KBHKB HOME	28,800	$411K	5.80%	Call
1853	—CHIMERIX INC	80,400	$411K	5.80%	Put
1854	IAGIAMGOLD CORP	185,400	$410K	5.79%	Call
1855	KSSKOHLS CORP	8,800	$410K	5.79%	Put
1856	—INTERSIL CORP	30,600	$409K	5.77%	Put
1857	—ARISTA NETWORKS INC	6,459	$408K	5.76%
1858	MXLMAXLINEAR INC	22,037	$408K	5.76%
1859	PLUNPLUG POWER INC	198,524	$407K	5.75%
1860	—PENN WEST PETE LTD NEW	436,700	$406K	5.73%	Put
1861	COTYCOTY INC	14,600	$406K	5.73%	Call
1862	—GREENBRIER COS INC	14,700	$406K	5.73%	Put
1863	UBNTEURUBIQUITI NETWORKS INC	12,207	$406K	5.73%
1864	—ZOGENIX INC	43,946	$406K	5.73%
1865	ANIPANI PHARMACEUTICALS INC	12,000	$404K	5.70%	Call
1866	CMRXEURCHIMERIX INC	78,785	$403K	5.69%
1867	CERSCERUS CORP	68,000	$403K	5.69%	Call
1868	—AMIRA NATURE FOODS LTD	41,100	$402K	5.68%	Put
1869	—DUPONT FABROS TECHNOLOGY INC	9,900	$401K	5.66%	Put
1870	—BANCO BRADESCO S A	53,600	$399K	5.63%	Call
1871	—STARWOOD PPTY TR INC	21,000	$398K	5.62%	Put
1872	—NETSUITE INC	5,800	$397K	5.60%	Put
1873	OIEUROWENS ILL INC	24,899	$397K	5.60%
1874	MPLXMPLX LP	13,338	$396K	5.59%
1875	PENNPENN NATL GAMING INC	23,645	$395K	5.58%
1876	MATMATTEL INC	11,732	$394K	5.56%
1877	—WESTERN ASSET MTG CAP CORP	39,200	$394K	5.56%	Call
1878	—FIBROGEN INC	18,500	$394K	5.56%	Put
1879	CROXCROCS INC	41,000	$394K	5.56%	Put
1880	GDGENERAL DYNAMICS CORP	3,000	$394K	5.56%
1881	—OCWEN FINL CORP	159,400	$394K	5.56%	Call
1882	—SUNPOWER CORP	17,600	$393K	5.55%	Call
1883	REGNREGENERON PHARMACEUTICALS	1,089	$393K	5.55%
1884	—DR PEPPER SNAPPLE GROUP INC	4,379	$392K	5.53%
1885	URIUNITED RENTALS INC	6,300	$392K	5.53%	Call
1886	GRPNCHFGROUPON INC	97,639	$390K	5.51%
1887	—KANDI TECHNOLOGIES GROUP INC	54,100	$390K	5.51%	Call
1888	—NATIONSTAR MTG HLDGS INC	39,375	$390K	5.51%
1889	—EXONE CO	29,500	$388K	5.48%	Call
1890	—ENERNOC INC	51,700	$387K	5.46%	Call
1891	—LIFELOCK INC	31,997	$386K	5.45%
1892	HLXHELIX ENERGY SOLUTIONS GRP I	68,900	$386K	5.45%	Call
1893	—MATTRESS FIRM HLDG CORP	9,100	$386K	5.45%	Call
1894	GELGENESIS ENERGY L P	12,124	$385K	5.44%
1895	—AUTODESK INC	6,600	$385K	5.44%	Put
1896	—FUELCELL ENERGY INC	56,800	$385K	5.44%	Call
1897	—ABBOTT LABS	9,200	$385K	5.44%	Call
1898	—OSIRIS THERAPEUTICS INC NEW	67,200	$384K	5.42%	Put
1899	WMTWAL-MART STORES INC	5,600	$384K	5.42%	Put
1900	—CELLDEX THERAPEUTICS INC NEW	101,654	$384K	5.42%

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