GROUP ONE TRADING LLC Q2 2017 Filing

Filed August 14, 2017

Portfolio Value

$9.6M

Holdings

4,726

Report Date

Q2 2017

Filing Type

13F-HR

All Holdings (4,726 positions)

#	Stock	Shares	Value	% Portfolio	Type
2201	—MAXWELL TECHNOLOGIES INC	63,148	$378K	3.93%
2202	NBIXNEUROCRINE BIOSCIENCES INC	8,200	$377K	3.92%	Put
2203	EATBRINKER INTL INC	9,900	$377K	3.92%	Put
2204	ENVUSDENVESTNET INC	9,500	$376K	3.91%
2205	HFCUSDHOLLYFRONTIER CORP	13,704	$376K	3.91%
2206	PBFPBF ENERGY INC	16,800	$374K	3.89%	Put
2207	NVONOVO-NORD ISK A S	8,700	$373K	3.88%	Call
2208	—CHIMERIX INC	68,400	$373K	3.88%	Call
2209	IGTINTERNATIONAL GAME TECHNOLOG	20,352	$372K	3.87%
2210	—TRONOX LTD	24,543	$371K	3.85%
2211	—SUNPOWER CORP	39,400	$368K	3.82%	Call
2212	NAKNORTHERN DYNASTY MINERALS LT	264,600	$368K	3.82%	Call
2213	—WALGREENS BOOTS ALLIANCE INC	4,700	$368K	3.82%	Call
2214	—VANTIV INC	5,800	$367K	3.81%	Put
2215	—BMC STK HLDGS INC	16,733	$366K	3.80%
2216	—CONCHO RES INC	3,000	$365K	3.79%	Put
2217	MASMASCO CORP	9,542	$365K	3.79%
2218	FLT1EURFLEETCOR TECHNOLOGIES INC	2,522	$364K	3.78%
2219	NEENEXTERA ENERGY INC	2,600	$364K	3.78%	Put
2220	DHID R HORTON INC	10,500	$363K	3.77%	Call
2221	—ACCELERON PHARMA INC	11,900	$362K	3.76%	Call
2222	—GLU MOBILE INC	144,800	$362K	3.76%	Call
2223	—BGC PARTNERS INC	28,600	$362K	3.76%	Call
2224	—CEMPRA INC	78,400	$361K	3.75%	Put
2225	—SIGNATURE BK NEW YORK N Y	2,500	$359K	3.73%	Call
2226	—CALLON PETE CO DEL	33,800	$359K	3.73%	Call
2227	—MGIC INVT CORP WIS	32,000	$358K	3.72%	Put
2228	—FLEXION THERAPEUTICS INC	17,700	$358K	3.72%	Call
2229	SASEABRIDGE GOLD INC	33,100	$357K	3.71%	Call
2230	BCRXBIOCRYST PHARMACEUTICALS	64,100	$356K	3.70%	Put
2231	TEXTEREX CORP NEW	9,500	$356K	3.70%	Put
2232	RMERESMED INC	4,563	$355K	3.69%
2233	—DYNEGY INC NEW DEL	42,900	$355K	3.69%	Call
2234	CHGGCHEGG INC	28,900	$355K	3.69%	Call
2235	—LIPOCINE INC NEW	87,800	$353K	3.67%	Call
2236	—GLOBAL BLOOD THERAPEUTICS IN	12,900	$353K	3.67%	Call
2237	LOGMEURLOGMEIN INC	3,376	$353K	3.67%
2238	—INTEGRATED DEVICE TECHNOLOGY	13,700	$353K	3.67%	Put
2239	KBHKB HOME	14,700	$352K	3.66%	Call
2240	CENXCENTURY ALUM CO	22,575	$352K	3.66%
2241	BWENBROADWIND ENERGY INC	69,700	$351K	3.65%	Put
2242	XIFRNEXTERA ENERGY PARTNERS LP	9,500	$351K	3.65%	Call
2243	BAXBAXTER INTL INC	5,800	$351K	3.65%	Put
2244	CPE3EURCALLON PETE CO DEL	33,064	$351K	3.65%
2245	NGLNGL ENERGY PARTNERS LP	25,000	$350K	3.64%	Call
2246	NAVNAVISTAR INTL CORP NEW	13,337	$350K	3.64%
2247	—OBSIDIAN ENERGY LTD	275,335	$350K	3.64%
2248	—BIOVERATIV INC	5,800	$349K	3.63%	Put
2249	—500 COM LTD	32,000	$348K	3.62%	Call
2250	HEIHEICO CORP NEW	4,843	$348K	3.62%
2251	KMTKENNAMETAL INC	9,300	$348K	3.62%	Call
2252	—CARDIOVASCULAR SYS INC DEL	10,800	$348K	3.62%	Call
2253	—CDK GLOBAL INC	5,600	$348K	3.62%	Put
2254	GATXGATX CORP	5,400	$347K	3.61%	Call
2255	—CENTURY ALUM CO	22,300	$347K	3.61%	Put
2256	—ACHILLION PHARMACEUTICALS IN	75,700	$347K	3.61%	Call
2257	—TETRAPHASE PHARMACEUTICALS I	48,500	$346K	3.60%	Put
2258	CRKCOMSTOCK RES INC	48,900	$346K	3.60%	Call
2259	—SEASPAN CORP	48,500	$346K	3.60%	Put
2260	—CVR PARTNERS LP	99,100	$346K	3.60%	Call
2261	—GOLDFIELD CORP	62,600	$344K	3.57%	Put
2262	—II VI INC	10,000	$343K	3.56%	Put
2263	—CURRENCYSHS BRIT POUND STER	2,700	$342K	3.55%	Put
2264	—ICONIX BRAND GROUP INC	49,500	$342K	3.55%	Put
2265	CCEPCOCA COLA EUROPEAN PARTNERS	8,400	$342K	3.55%	Call
2266	—FORTUNA SILVER MINES INC	69,800	$341K	3.54%	Put
2267	—PHARMERICA CORP	13,000	$341K	3.54%	Call
2268	—YRC WORLDWIDE INC	30,617	$340K	3.53%
2269	MIC2EURMACQUARIE INFRASTRUCTURE COR	4,337	$340K	3.53%
2270	VNDAVANDA PHARMACEUTICALS INC	20,800	$339K	3.52%	Call
2271	—SK TELECOM LTD	13,200	$339K	3.52%	Call
2272	—EXPRESS INC	50,100	$338K	3.51%	Call
2273	KNKNOWLES CORP	20,000	$338K	3.51%	Put
2274	NAVINAVIENT CORPORATION	20,309	$338K	3.51%
2275	—OLLIES BARGAIN OUTLT HLDGS I	7,900	$337K	3.50%	Call
2276	CRUSCIRRUS LOGIC INC	5,371	$337K	3.50%
2277	ANAUTONATION INC	8,000	$337K	3.50%	Call
2278	—CONCURRENT COMPUTER CORP NEW	50,000	$337K	3.50%	Put
2279	—WORLD WRESTLING ENTMT INC	16,500	$336K	3.49%	Call
2280	EXTREXTREME NETWORKS INC	36,300	$335K	3.48%	Call
2281	—CARBONITE INC	15,300	$334K	3.47%	Put
2282	—ACCELERON PHARMA INC	11,000	$334K	3.47%	Put
2283	NVSNOVARTIS A G	4,000	$334K	3.47%	Put
2284	MITKMITEK SYS INC	39,800	$334K	3.47%	Call
2285	AEOAMERICAN EAGLE OUTFITTERS NE	27,600	$333K	3.46%	Call
2286	ONON SEMICONDUCTOR CORP	23,700	$333K	3.46%	Call
2287	—GENERAL COMMUNICATION INC	9,100	$333K	3.46%	Put
2288	—ENERNOC INC	42,783	$332K	3.45%
2289	—FRANCO NEVADA CORP	4,600	$332K	3.45%	Put
2290	—DYNEGY INC NEW DEL	40,200	$332K	3.45%	Put
2291	NWLNEWELL BRANDS INC	6,200	$332K	3.45%	Put
2292	—OFFICE DEPOT INC	58,700	$331K	3.44%	Call
2293	CLDRCLOUDERA INC	20,670	$331K	3.44%
2294	—NEW SR INVT GROUP INC	32,900	$331K	3.44%	Call
2295	—TATA MTRS LTD	10,000	$330K	3.43%	Call
2296	CYTKCYTOKINETICS INC	27,260	$330K	3.43%
2297	NOWSERVICENOW INC	3,100	$329K	3.42%	Put
2298	PPLPPL CORP	8,500	$329K	3.42%	Put
2299	ALAIR LEASE CORP	8,800	$329K	3.42%	Call
2300	DKLDELEK LOGISTICS PARTNERS LP	10,000	$328K	3.41%	Put

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