GROUP ONE TRADING LLC Q1 2019 Filing

Filed May 13, 2019

Portfolio Value

$16.7M

Holdings

4,769

Report Date

Q1 2019

Filing Type

13F-HR

All Holdings (4,769 positions)

#	Stock	Shares	Value	% Portfolio	Type
3201	—2U INC	1,400	$99K	0.59%	Call
3202	—TALLGRASS ENERGY LP	3,947	$99K	0.59%
3203	KOFCOCA COLA FEMSA S A B DE C V	1,500	$99K	0.59%
3204	CPRXCATALYST PHARMACEUTICALS INC	19,500	$99K	0.59%	Call
3205	—SORL AUTO PTS INC	34,367	$99K	0.59%
3206	—ORCHIDS PAPER PRODS CO DEL	80,200	$99K	0.59%	Put
3207	—PROGENICS PHARMACEUTICALS IN	21,300	$99K	0.59%	Call
3208	—NEOPHOTONICS CORP	15,800	$99K	0.59%	Call
3209	VRAVERA BRADLEY INC	7,400	$98K	0.59%	Put
3210	—PURE STORAGE INC	4,500	$98K	0.59%	Put
3211	—TRINITY INDS INC	4,500	$98K	0.59%	Call
3212	KMXCARMAX INC	1,400	$98K	0.59%	Call
3213	—FRONTIER COMMUNICATIONS CORP	49,000	$98K	0.59%	Call
3214	—VIACOM INC NEW	3,000	$97K	0.58%	Call
3215	CRNTCERAGON NETWORKS LTD	27,000	$97K	0.58%	Put
3216	LELANDS END INC NEW	5,854	$97K	0.58%
3217	—KEANE GROUP INC	8,800	$96K	0.58%	Call
3218	—UNITED STS BRENT OIL FD LP	5,000	$96K	0.58%	Call
3219	—CHIMERA INVT CORP	5,100	$96K	0.58%	Put
3220	FLRFLUOR CORP NEW	2,600	$96K	0.58%	Call
3221	CLGXCORELOGIC INC	2,578	$96K	0.58%
3222	—MAXAR TECHNOLOGIES INC	24,000	$96K	0.58%	Put
3223	VCRAUSDVOCERA COMMUNICATIONS INC	3,005	$95K	0.57%
3224	IOVAIOVANCE BIOTHERAPEUTICS INC	10,000	$95K	0.57%	Call
3225	DARDARLING INGREDIENTS INC	4,400	$95K	0.57%	Call
3226	MACMACERICH CO	2,200	$95K	0.57%	Call
3227	—TIVITY HEALTH INC	5,400	$95K	0.57%	Put
3228	—CURIS INC	47,900	$95K	0.57%	Call
3229	—QUOTIENT TECHNOLOGY INC	9,500	$94K	0.56%	Call
3230	AGIALAMOS GOLD INC NEW	18,500	$94K	0.56%	Put
3231	—SENIOR HSG PPTYS TR	7,958	$94K	0.56%
3232	BCRXBIOCRYST PHARMACEUTICALS	11,600	$94K	0.56%	Call
3233	—CALAMP CORP	7,500	$94K	0.56%	Put
3234	—COEUR MNG INC	23,000	$94K	0.56%	Put
3235	—VENATOR MATLS PLC	16,800	$94K	0.56%	Put
3236	—SORL AUTO PTS INC	32,700	$94K	0.56%	Put
3237	—AQUA METALS INC	30,200	$93K	0.56%	Put
3238	LPXLOUISIANA PAC CORP	3,800	$93K	0.56%	Call
3239	ROSTROSS STORES INC	1,000	$93K	0.56%	Put
3240	—NATIONAL OILWELL VARCO INC	3,500	$93K	0.56%	Put
3241	PTENPATTERSON UTI ENERGY INC	6,600	$93K	0.56%	Put
3242	SKYSKYLINE CHAMPION CORPORATION	4,900	$93K	0.56%	Put
3243	—ACCELERON PHARMA INC	2,000	$93K	0.56%	Put
3244	GPNGLOBAL PMTS INC	680	$93K	0.56%
3245	NVROEURNEVRO CORP	1,481	$93K	0.56%
3246	CNHCNH INDL N V	9,100	$93K	0.56%	Call
3247	—BHP GROUP PLC	1,900	$92K	0.55%	Call
3248	LXRXLEXICON PHARMACEUTICALS INC	16,500	$92K	0.55%	Put
3249	TTMITTM TECHNOLOGIES INC	7,858	$92K	0.55%
3250	TDTORONTO DOMINION BK ONT	1,687	$92K	0.55%
3251	DOXAMDOCS LTD	1,700	$92K	0.55%	Put
3252	CMCCOMMERCIAL METALS CO	5,400	$92K	0.55%	Call
3253	—ALTAIR ENGR INC	2,500	$92K	0.55%	Call
3254	KPTIKARYOPHARM THERAPEUTICS INC	15,700	$92K	0.55%	Call
3255	—BRIGHTCOVE INC	10,800	$91K	0.55%	Call
3256	CAMPEURCALAMP CORP	7,200	$91K	0.55%
3257	CWHCAMPING WORLD HLDGS INC	6,524	$91K	0.55%
3258	—RENREN INC	58,656	$90K	0.54%
3259	FROFRONTLINE LTD	14,000	$90K	0.54%	Put
3260	—AERIE PHARMACEUTICALS INC	1,900	$90K	0.54%	Call
3261	—CREDIT ACCEP CORP MICH	200	$90K	0.54%	Call
3262	LXLEXINFINTECH HLDGS LTD	8,600	$90K	0.54%	Put
3263	—CBL & ASSOC PPTYS INC	57,894	$90K	0.54%
3264	—INTERPUBLIC GROUP COS INC	4,300	$90K	0.54%	Put
3265	MCFTMASTERCRAFT BOAT HLDGS INC	4,000	$90K	0.54%	Call
3266	—RELIANCE STEEL & ALUMINUM CO	1,000	$90K	0.54%	Call
3267	TCMDTACTILE SYS TECHNOLOGY INC	1,700	$90K	0.54%	Call
3268	DUKDUKE ENERGY CORP NEW	1,000	$90K	0.54%	Put
3269	—FORTUNA SILVER MINES INC	26,700	$89K	0.53%	Put
3270	—WYNDHAM DESTINATIONS INC	2,200	$89K	0.53%	Put
3271	NHTCNATURAL HEALTH TRENDS CORP	6,900	$89K	0.53%	Call
3272	—SAILPOINT TECHNLGIES HLDGS I	3,100	$89K	0.53%	Call
3273	WWWWOLVERINE WORLD WIDE INC	2,500	$89K	0.53%	Call
3274	—MARTEN TRANS LTD	5,000	$89K	0.53%	Put
3275	—SHIP FINANCE INTERNATIONAL L	7,200	$89K	0.53%	Put
3276	STAASTAAR SURGICAL CO	2,600	$89K	0.53%	Put
3277	—PRECISION DRILLING CORP	36,800	$88K	0.53%	Call
3278	CYHCOMMUNITY HEALTH SYS INC NEW	23,567	$88K	0.53%
3279	—CELSION CORPORATION	45,000	$88K	0.53%	Put
3280	SCVLSHOE CARNIVAL INC	2,600	$88K	0.53%	Put
3281	IPHIINPHI CORP	2,008	$88K	0.53%
3282	ANGI1EURANGI HOMESERVICES INC	5,618	$87K	0.52%
3283	CCLCARNIVAL CORP	1,713	$87K	0.52%
3284	VFCV F CORP	1,000	$87K	0.52%	Call
3285	KEYKEYCORP NEW	5,500	$87K	0.52%	Call
3286	SMTCSEMTECH CORP	1,700	$87K	0.52%	Call
3287	TCSUSDCONTAINER STORE GROUP INC	9,855	$87K	0.52%
3288	—HABIT RESTAURANTS INC	8,045	$87K	0.52%
3289	WECWEC ENERGY GROUP INC	1,100	$87K	0.52%	Put
3290	PHPARKER HANNIFIN CORP	500	$86K	0.52%	Call
3291	CARGCARGURUS INC	2,154	$86K	0.52%
3292	—ATLAS AIR WORLDWIDE HLDGS IN	1,700	$86K	0.52%	Call
3293	—MAGELLAN HEALTH INC	1,312	$86K	0.52%
3294	AWIARMSTRONG WORLD INDS INC NEW	1,084	$86K	0.52%
3295	DESPDESPEGAR COM CORP	5,770	$86K	0.52%
3296	PPTPREMIER INC	2,500	$86K	0.52%	Put
3297	MTARCELORMITTAL SA LUXEMBOURG	4,200	$86K	0.52%	Call
3298	LXRXLEXICON PHARMACEUTICALS INC	15,400	$86K	0.52%	Call
3299	HEIHEICO CORP NEW	899	$85K	0.51%
3300	—TYME TECHNOLOGIES INC	48,400	$85K	0.51%	Put

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