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
1701	—ROVI CORP	24,800	$509K	7.19%	Put
1702	INGING GROEP N V	42,700	$509K	7.19%	Call
1703	PLUGPLUG POWER INC	248,400	$509K	7.19%	Put
1704	STXSEAGATE TECHNOLOGY PLC	14,739	$508K	7.17%
1705	—PENGROWTH ENERGY CORP	387,700	$508K	7.17%	Put
1706	DVADAVITA HEALTHCARE PARTNERS I	6,900	$506K	7.14%	Put
1707	—MAIN STREET CAPITAL CORP	16,100	$505K	7.13%	Call
1708	—ANIKA THERAPEUTICS INC	11,300	$505K	7.13%	Call
1709	—SPECTRA ENERGY PARTNERS LP	10,500	$505K	7.13%	Put
1710	—RACKSPACE HOSTING INC	23,400	$505K	7.13%	Call
1711	RFREGIONS FINL CORP NEW	64,200	$504K	7.12%	Call
1712	RACEFERRARI N V	12,060	$503K	7.10%
1713	—HEARTWARE INTL INC	16,000	$503K	7.10%	Put
1714	—COOPER TIRE & RUBR CO	13,600	$503K	7.10%	Call
1715	—AMARIN CORP PLC	328,300	$502K	7.09%
1716	—RACKSPACE HOSTING INC	23,200	$501K	7.07%	Put
1717	LNGCHENIERE ENERGY INC	14,800	$501K	7.07%	Put
1718	—PACKAGING CORP AMER	8,300	$501K	7.07%	Put
1719	—U S G CORP	20,100	$499K	7.04%	Put
1720	—DREAMWORKS ANIMATION SKG INC	19,900	$497K	7.02%	Call
1721	NFXNEWFIELD EXPL CO	14,953	$497K	7.02%
1722	—AIRGAS INC	3,500	$496K	7.00%	Put
1723	STLDSTEEL DYNAMICS INC	22,000	$495K	6.99%	Put
1724	—AARONS INC	19,674	$494K	6.97%
1725	—SPIRIT AEROSYSTEMS HLDGS INC	10,900	$494K	6.97%	Put
1726	—TERRAFORM PWR INC	57,000	$493K	6.96%	Call
1727	DNKNDUNKIN BRANDS GROUP INC	10,414	$491K	6.93%
1728	—MCDERMOTT INTL INC	120,000	$491K	6.93%	Call
1729	MARMARRIOTT INTL INC NEW	6,901	$491K	6.93%
1730	CFRCULLEN FROST BANKERS INC	8,900	$490K	6.92%	Put
1731	—SYNGENTA AG	5,900	$489K	6.90%	Call
1732	—AMERICAN WTR WKS CO INC NEW	7,100	$489K	6.90%	Call
1733	—ASTORIA FINL CORP	30,800	$488K	6.89%	Call
1734	PPCPILGRIMS PRIDE CORP NEW	19,200	$488K	6.89%	Call
1735	ITCIEURINTRA CELLULAR THERAPIES INC	17,534	$487K	6.88%
1736	SWBISMITH & WESSON HLDG CORP	18,313	$487K	6.88%
1737	—ACHILLION PHARMACEUTICALS IN	62,900	$486K	6.86%	Put
1738	SEESEALED AIR CORP NEW	10,100	$485K	6.85%	Put
1739	—GAMESTOP CORP NEW	15,300	$485K	6.85%	Call
1740	CERNCHFCERNER CORP	9,132	$484K	6.83%
1741	—VECTOR GROUP LTD	21,200	$484K	6.83%	Put
1742	EWEDWARDS LIFESCIENCES CORP	5,479	$483K	6.82%
1743	EIXEDISON INTL	6,700	$482K	6.80%	Call
1744	—CAPITAL SR LIVING CORP	25,948	$481K	6.79%
1745	—LEUCADIA NATL CORP	29,700	$480K	6.78%	Put
1746	GOGOGOGO INC	43,600	$480K	6.78%	Call
1747	GRMNGARMIN LTD	12,000	$480K	6.78%	Put
1748	—ABERCROMBIE & FITCH CO	15,210	$480K	6.78%
1749	—ONCOTHYREON INC	376,800	$479K	6.76%	Call
1750	—BERRY PLASTICS GROUP INC	13,200	$477K	6.73%	Call
1751	—DICKS SPORTING GOODS INC	10,200	$477K	6.73%	Put
1752	—NAVISTAR INTL CORP NEW	38,100	$477K	6.73%	Call
1753	—ALBANY MOLECULAR RESH INC	31,141	$476K	6.72%
1754	—TAILORED BRANDS INC	26,600	$476K	6.72%	Put
1755	—BELMOND LTD	50,000	$475K	6.71%	Put
1756	—ABIOMED INC	5,000	$474K	6.69%	Call
1757	—NEW YORK REIT INC	46,900	$474K	6.69%	Call
1758	—DAVE & BUSTERS ENTMT INC	12,200	$473K	6.68%	Put
1759	—LANNET INC	26,300	$472K	6.66%	Call
1760	—MANITOWOC INC	108,957	$472K	6.66%
1761	BGCPEURBGC PARTNERS INC	52,000	$471K	6.65%
1762	—VEEVA SYS INC	18,800	$471K	6.65%	Call
1763	GELGENESIS ENERGY L P	14,800	$470K	6.64%	Call
1764	—AVON PRODS INC	97,252	$468K	6.61%
1765	—BLUCORA INC	90,600	$468K	6.61%	Put
1766	—TERRAFORM PWR INC	53,959	$467K	6.59%
1767	AKBAAKEBIA THERAPEUTICS INC	51,800	$467K	6.59%	Put
1768	—U S G CORP	18,800	$466K	6.58%	Call
1769	VFCV F CORP	7,200	$466K	6.58%	Call
1770	—TIDEWATER INC	68,200	$466K	6.58%	Call
1771	ROKROCKWELL AUTOMATION INC	4,100	$466K	6.58%	Call
1772	—FLAGSTAR BANCORP INC	21,600	$464K	6.55%	Call
1773	CMCM1EURCHEETAH MOBILE INC	28,326	$463K	6.54%
1774	—ACXIOM CORP	21,600	$463K	6.54%	Call
1775	EXASEXACT SCIENCES CORP	68,600	$462K	6.52%	Put
1776	SHLDEURSEARS HLDGS CORP	30,199	$462K	6.52%
1777	—DEPOMED INC	33,091	$461K	6.51%
1778	—AVIS BUDGET GROUP	16,800	$460K	6.49%	Put
1779	FIVEFIVE BELOW INC	11,115	$459K	6.48%
1780	—COOPER TIRE & RUBR CO	12,400	$459K	6.48%	Put
1781	HALOHALOZYME THERAPEUTICS INC	48,500	$459K	6.48%	Put
1782	—HI-CRUSH PARTNERS LP	92,600	$459K	6.48%	Call
1783	—DIPLOMAT PHARMACY INC	16,700	$458K	6.47%	Call
1784	—ALLSCRIPTS HEALTHCARE SOLUTN	34,700	$458K	6.47%	Call
1785	—VERINT SYS INC	13,700	$457K	6.45%	Put
1786	—QUINTILES TRANSNATIO HLDGS I	7,000	$456K	6.44%	Put
1787	—TAILORED BRANDS INC	25,400	$455K	6.42%	Call
1788	CZFSCITIZENS FINL GROUP INC	21,600	$453K	6.40%	Call
1789	GELGENESIS ENERGY L P	14,200	$451K	6.37%	Put
1790	—LEUCADIA NATL CORP	27,900	$451K	6.37%	Call
1791	—LIONS GATE ENTMNT CORP	20,500	$448K	6.32%	Call
1792	—ENCANA CORP	73,500	$448K	6.32%	Call
1793	—ARRAY BIOPHARMA INC	151,800	$448K	6.32%	Put
1794	—QEP RES INC	31,700	$447K	6.31%	Call
1795	—AGCO CORP	9,000	$447K	6.31%	Put
1796	—TJX COS INC NEW	5,700	$447K	6.31%	Call
1797	—BARRACUDA NETWORKS INC	28,937	$446K	6.30%
1798	OHIOMEGA HEALTHCARE INVS INC	12,600	$445K	6.28%	Put
1799	ATHMAUTOHOME INC	15,900	$444K	6.27%	Put
1800	MANHMANHATTAN ASSOCS INC	7,800	$444K	6.27%	Put

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