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
2201	—U S CONCRETE INC	6,100	$510K	3.58%	Put
2202	—BLUEKNIGHT ENERGY PARTNERS L	1,000	$510K	3.58%	Put
2203	—TRANSENTERIX INC	263,900	$509K	3.58%	Put
2204	SKTTANGER FACTORY OUTLET CTRS I	19,200	$509K	3.58%	Call
2205	WPRTWESTPORT FUEL SYSTEMS INC	134,984	$508K	3.57%
2206	—PURE STORAGE INC	32,000	$508K	3.57%	Put
2207	PRIPRIMERICA INC	5,000	$508K	3.57%	Put
2208	—ELECTRONICS FOR IMAGING INC	17,200	$508K	3.57%	Put
2209	—IGNYTA INC	19,000	$507K	3.56%	Call
2210	—BMC STK HLDGS INC	20,000	$506K	3.56%	Put
2211	—BITAUTO HLDGS LTD	15,900	$506K	3.56%	Call
2212	—KEMET CORP	33,500	$505K	3.55%	Put
2213	—GAIN CAP HLDGS INC	50,500	$505K	3.55%	Call
2214	—BANK OF THE OZARKS	10,400	$504K	3.54%	Put
2215	PXLWEURPIXELWORKS INC	79,590	$504K	3.54%
2216	CVECENOVUS ENERGY INC	55,134	$503K	3.54%
2217	LULULULULEMON ATHLETICA INC	6,390	$502K	3.53%
2218	MTORMERITOR INC	21,389	$502K	3.53%
2219	IMMRIMMERSION CORP	71,000	$501K	3.52%	Call
2220	OXYOCCIDENTAL PETE CORP DEL	6,800	$501K	3.52%	Call
2221	ELFE L F BEAUTY INC	22,400	$500K	3.51%	Call
2222	—CONSOLIDATED COMM HLDGS INC	41,000	$500K	3.51%	Call
2223	COPCONOCOPHI LLIPS	9,100	$500K	3.51%	Call
2224	QUREUNIQURE NV	25,500	$500K	3.51%	Put
2225	—NEW GOLD INC CDA	151,900	$500K	3.51%	Call
2226	ACIWACI WORLDWIDE INC	22,000	$499K	3.51%	Call
2227	—SUCAMPO PHARMACEUTICALS INC	27,735	$498K	3.50%
2228	—BLUEPRINT MEDICINES CORP	6,600	$498K	3.50%	Call
2229	NGNOVAGOLD RES INC	126,100	$496K	3.49%	Call
2230	—CALAMP CORP	23,100	$495K	3.48%	Put
2231	CAMPEURCALAMP CORP	23,032	$494K	3.47%
2232	WEPMAGELLAN MIDSTREAM PRTNRS LP	6,957	$494K	3.47%
2233	—NEOS THERAPEUTICS INC	48,400	$494K	3.47%	Call
2234	PLUNPLUG POWER INC	208,925	$493K	3.46%
2235	VTRVENTAS INC	8,200	$492K	3.46%	Put
2236	—MOBILEIRON INC	125,900	$491K	3.45%	Call
2237	—ZENDESK INC	14,500	$491K	3.45%	Put
2238	—REMARK HLDGS INC	50,437	$491K	3.45%
2239	—SCRIPPS E W CO OHIO	31,400	$491K	3.45%	Call
2240	LPLLG DISPLAY CO LTD	35,700	$491K	3.45%	Put
2241	—HOVNANIAN ENTERPRISES INC	146,423	$491K	3.45%
2242	VEONVEON LTD	127,500	$490K	3.44%	Put
2243	—BANK OF THE OZARKS	10,100	$489K	3.44%	Call
2244	FROFRONTLINE LTD	106,100	$487K	3.42%	Put
2245	—TD AMERITRADE HLDG CORP	9,500	$486K	3.42%	Call
2246	SPHSUBURBAN PROPANE PARTNERS L	20,024	$485K	3.41%
2247	HBANHUNTINGTON BANCSHARES INC	33,300	$485K	3.41%	Call
2248	NFLXNETFLIX INC	2,525	$485K	3.41%
2249	DARDARLING INGREDIENTS INC	26,700	$484K	3.40%	Call
2250	FIVEFIVE BELOW INC	7,300	$484K	3.40%	Put
2251	SASEABRIDGE GOLD INC	42,700	$483K	3.39%	Call
2252	—DICKS SPORTING GOODS INC	16,800	$483K	3.39%	Call
2253	—STAMPS COM INC	2,567	$483K	3.39%
2254	—SP PLUS CORP	13,000	$482K	3.39%	Put
2255	KTOSKRATOS DEFENSE & SEC SOLUTIO	45,500	$482K	3.39%	Call
2256	—JA SOLAR HOLDINGS CO LTD	64,600	$482K	3.39%	Call
2257	HASHASBRO INC	5,300	$482K	3.39%	Put
2258	—O REILLY AUTOMOTIVE INC NEW	2,000	$481K	3.38%	Call
2259	KTOSKRATOS DEFENSE & SEC SOLUTIO	45,422	$481K	3.38%
2260	SXCSUNCOKE ENERGY INC	40,000	$480K	3.37%	Call
2261	—CHIMERA INVT CORP	25,900	$479K	3.37%	Call
2262	CNICANADIAN NATL RY CO	5,800	$479K	3.37%	Call
2263	REEVEREST RE GROUP LTD	2,155	$477K	3.35%
2264	OLNOLIN CORP	13,400	$477K	3.35%	Put
2265	—CORNERSTONE ONDEMAND INC	13,500	$477K	3.35%	Call
2266	—QIAGEN NV	15,400	$476K	3.35%	Put
2267	—ORBITAL ATK INC	3,600	$473K	3.32%	Put
2268	—PATTERSON COMPANIES INC	13,100	$473K	3.32%	Call
2269	—BITAUTO HLDGS LTD	14,842	$472K	3.32%
2270	—BUCKEYE PARTNERS L P	9,500	$471K	3.31%	Put
2271	DISDISNEY WALT CO	4,379	$471K	3.31%
2272	—ALMOST FAMILY INC	8,500	$470K	3.30%	Put
2273	NUENUCOR CORP	7,392	$470K	3.30%
2274	FTITECHNIPFMC PLC	15,000	$470K	3.30%	Put
2275	NKENIKE INC	7,500	$469K	3.30%	Put
2276	SNYSANOFI	10,900	$469K	3.30%	Put
2277	—CONTROL4 CORP	15,714	$468K	3.29%
2278	HDSNHUDSON TECHNOLOGIES INC	77,100	$468K	3.29%	Put
2279	—ACCELERON PHARMA INC	11,000	$467K	3.28%	Call
2280	—ARCH COAL INC	5,000	$466K	3.27%	Call
2281	—ACACIA RESH CORP	114,700	$465K	3.27%	Put
2282	CRBPEURCORBUS PHARMACEUTICALS HLDGS	65,551	$465K	3.27%
2283	—INTEGRATED DEVICE TECHNOLOGY	15,600	$464K	3.26%	Put
2284	CNCCENTENE CORP DEL	4,600	$464K	3.26%	Put
2285	—GRACE W R & CO DEL NEW	6,600	$463K	3.25%	Call
2286	—ANDEAVOR LOGISTICS LP	10,000	$462K	3.25%	Call
2287	VCYTVERACYTE INC	70,700	$462K	3.25%	Put
2288	—CHINA SOUTHN AIRLS LTD	8,900	$461K	3.24%	Call
2289	AERAERCAP HOLDINGS NV	8,745	$460K	3.23%
2290	—CLOUDERA INC	27,800	$459K	3.23%	Put
2291	AGCOAGCO CORP	6,400	$457K	3.21%	Call
2292	—DENBURY RES INC	206,300	$456K	3.20%	Call
2293	MTCHEURMATCH GROUP INC	14,576	$456K	3.20%
2294	—BALLARD PWR SYS INC NEW	103,100	$455K	3.20%	Put
2295	HCIHCI GROUP INC	15,200	$454K	3.19%	Put
2296	ROKROCKWELL AUTOMATION INC	2,300	$452K	3.18%	Call
2297	CRREURCARBO CERAMICS INC	44,356	$452K	3.18%
2298	—ELLIS PERRY INTL INC	18,000	$451K	3.17%	Put
2299	—GULFPORT ENERGY CORP	35,300	$450K	3.16%	Put
2300	CRAICRA INTL INC	10,000	$450K	3.16%	Put

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