GROUP ONE TRADING LLC Q3 2018 Filing

Filed November 8, 2018

Portfolio Value

$12.7M

Holdings

5,172

Report Date

Q3 2018

Filing Type

13F-HR

All Holdings (5,172 positions)

#	Stock	Shares	Value	% Portfolio	Type
1701	UALUNITED CONTL HLDGS INC	11,614	$1.0M	8.17%
1702	—DOMINION ENERGY MIDSTRM PRTN	57,700	$1.0M	8.16%	Call
1703	VCVISTEON CORP	11,100	$1.0M	8.15%	Call
1704	PIIPOLARIS INDS INC	10,200	$1.0M	8.14%	Call
1705	HALOHALOZYME THERAPEUTICS INC	56,500	$1.0M	8.12%	Put
1706	TOLTOLL BROTHERS INC	31,100	$1.0M	8.12%	Call
1707	KEYSKEYSIGHT TECHNOLOGIES INC	15,500	$1.0M	8.12%	Put
1708	WTTRSELECT ENERGY SVCS INC	86,651	$1.0M	8.11%
1709	CTRACABOT OIL & GAS CORP	45,500	$1.0M	8.10%	Put
1710	HOGHARLEY DAVIDSON INC	22,600	$1.0M	8.09%	Put
1711	—VECTOR GROUP LTD	74,000	$1.0M	8.06%	Put
1712	ANABANAPTYSBIO INC	10,200	$1.0M	8.04%	Call
1713	—ENDOCYTE INC	57,200	$1.0M	8.03%	Put
1714	—ACTIVISION BLIZZARD INC	12,200	$1.0M	8.02%	Put
1715	—REVLON INC	45,500	$1.0M	8.02%	Call
1716	—NOVAVAX INC	539,300	$1.0M	8.01%	Put
1717	—ROWAN COMPANIES PLC	53,700	$1.0M	7.99%	Call
1718	NFLXNETFLIX INC	2,700	$1.0M	7.98%	Call
1719	—WILDHORSE RESOURCE DEV CORP	42,597	$1.0M	7.96%
1720	RDWRRADWARE LTD	37,943	$1.0M	7.93%
1721	WEXWEX INC	5,000	$1.0M	7.93%	Call
1722	CRTOCRITEO S A	43,727	$1.0M	7.93%
1723	CHLUSDCHINA MOBILE LIMITED	20,487	$1.0M	7.92%
1724	AMBAAMBARELLA INC	25,900	$1.0M	7.92%	Put
1725	YYEURYY INC	13,366	$1.0M	7.91%
1726	—AGILE THERAPEUTICS INC	2,300	$1.0M	7.90%	Call
1727	—AGILE THERAPEUTICS INC	3,100	$1.0M	7.90%
1728	VYXNCR CORP NEW	35,100	$997K	7.88%	Call
1729	GALTGALECTIN THERAPEUTICS INC	165,900	$997K	7.88%	Put
1730	RIOTRIOT BLOCKCHAIN INC	273,100	$997K	7.88%	Call
1731	CFCF INDS HLDGS INC	18,226	$992K	7.84%
1732	TXRHTEXAS ROADHOUSE INC	14,300	$991K	7.83%	Put
1733	THCTENET HEALTHCARE CORP	34,800	$990K	7.82%	Put
1734	—NUVASIVE INC	13,900	$987K	7.80%	Put
1735	MATMATTEL INC	62,700	$984K	7.78%	Call
1736	CROXCROCS INC	46,200	$984K	7.78%	Put
1737	EOGEOG RES INC	7,700	$982K	7.76%	Put
1738	CCEPCOCA COLA EUROPEAN PARTNERS	21,600	$982K	7.76%	Call
1739	—FIREEYE INC	57,700	$981K	7.75%	Call
1740	NKENIKE INC	11,565	$980K	7.74%
1741	—TIVO CORP	78,600	$979K	7.74%	Put
1742	—KIRKLAND LAKE GOLD LTD	51,500	$978K	7.73%	Put
1743	VSATVIASAT INC	15,300	$978K	7.73%	Put
1744	—FORTRESS TRANS INFRST INVS L	53,700	$976K	7.71%	Call
1745	—GOVERNMENT PPTYS INCOME TR	86,300	$974K	7.70%	Put
1746	INDBINDEPENDENT BANK CORP MICH	41,200	$974K	7.70%	Put
1747	OREALTY INCOME CORP	17,100	$973K	7.69%	Call
1748	TGTXTG THERAPEUTICS INC	173,700	$973K	7.69%	Call
1749	WEPMAGELLAN MIDSTREAM PRTNRS LP	14,358	$972K	7.68%
1750	—EDGEWELL PERS CARE CO	21,000	$971K	7.67%	Call
1751	—PANDORA MEDIA INC	102,000	$970K	7.66%	Put
1752	—U S G CORP	22,400	$970K	7.66%	Put
1753	GDOTGREEN DOT CORP	10,900	$968K	7.65%	Put
1754	GTGOODYEAR TIRE & RUBR CO	41,400	$968K	7.65%	Call
1755	SABRSABRE CORP	37,000	$965K	7.63%	Call
1756	—MARINUS PHARMACEUTICALS INC	96,405	$964K	7.62%
1757	DEODIAGEO P L C	6,800	$963K	7.61%	Put
1758	DXCDXC TECHNOLOGY CO	10,300	$963K	7.61%	Put
1759	—CALLON PETE CO DEL	80,200	$962K	7.60%	Call
1760	SEISOLARIS OILFIELD INFRSTR INC	50,832	$960K	7.59%
1761	ZUOUSDZUORA INC	41,544	$960K	7.59%
1762	FLRFLUOR CORP NEW	16,500	$959K	7.58%	Call
1763	HTTQUDIAN INC	183,900	$958K	7.57%	Call
1764	—ACHAOGEN INC	240,100	$958K	7.57%	Put
1765	SOSOUTHERN CO	21,900	$955K	7.55%	Put
1766	TECKTECK RESOURCES LTD	39,600	$954K	7.54%	Put
1767	KNKNOWLES CORP	57,400	$954K	7.54%	Put
1768	CARSCARS COM INC	34,523	$953K	7.53%
1769	—STARWOOD PPTY TR INC	44,300	$953K	7.53%	Call
1770	—ACCELERATE DIAGNOSTICS INC	41,500	$952K	7.52%	Call
1771	GEOGEO GROUP INC NEW	37,800	$951K	7.51%	Call
1772	ODFLOLD DOMINION FGHT LINES INC	5,900	$951K	7.51%	Put
1773	PBIPITNEY BOWES INC	134,300	$951K	7.51%	Call
1774	—ACCELERATE DIAGNOSTICS INC	41,400	$950K	7.51%	Put
1775	—JUMEI INTL HLDG LTD	445,000	$948K	7.49%	Put
1776	SBLKSTAR BULK CARRIERS CORP	65,600	$948K	7.49%	Put
1777	RGLDROYAL GOLD INC	12,300	$948K	7.49%	Put
1778	VSTMVERASTEM INC	130,600	$947K	7.48%
1779	—CARBO CERAMICS INC	130,400	$945K	7.47%	Put
1780	BGBUNGE LIMITED	13,756	$945K	7.47%
1781	VUZIVUZIX CORP	144,000	$943K	7.45%	Call
1782	TSNTYSON FOODS INC	15,829	$942K	7.44%
1783	KEYSKEYSIGHT TECHNOLOGIES INC	14,218	$942K	7.44%
1784	USX1UNITED STATES STL CORP NEW	30,887	$941K	7.44%
1785	RAREULTRAGENYX PHARMACEUTICAL IN	12,300	$939K	7.42%	Call
1786	—SIERRA WIRELESS INC	46,700	$939K	7.42%	Call
1787	AXONAXON ENTERPRISE INC	13,725	$939K	7.42%
1788	DARDARLING INGREDIENTS INC	48,600	$939K	7.42%	Call
1789	ALXNALEXION PHARMACEUTICALS INC	6,723	$935K	7.39%
1790	SONOSONOS INC	58,100	$932K	7.36%	Put
1791	—AIRCASTLE LTD	42,500	$931K	7.36%	Put
1792	MXLMAXLINEAR INC	46,800	$930K	7.35%	Call
1793	ZZILLOW GROUP INC	21,000	$928K	7.33%	Put
1794	LBEURL BRANDS INC	30,582	$927K	7.33%
1795	HTTQUDIAN INC	177,700	$926K	7.32%	Put
1796	PAAPLAINS ALL AMERN PIPELINE L	37,000	$925K	7.31%	Put
1797	DEDEERE & CO	6,155	$925K	7.31%
1798	IPINTL PAPER CO	18,800	$924K	7.30%	Put
1799	—DBV TECHNOLOGIES S A	41,100	$923K	7.29%	Call
1800	—K2M GROUP HLDGS INC	33,600	$920K	7.27%	Put

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