GROUP ONE TRADING LLC Q2 2020 Filing

Filed August 13, 2020

Portfolio Value

$21.7M

Holdings

5,779

Report Date

Q2 2020

Filing Type

13F-HR

All Holdings (5,779 positions)

#	Stock	Shares	Value	% Portfolio	Type
1001	—NV5 GLOBAL INC	6,100	$310K	1.43%	Put
1002	2362120DSINCLAIR BROADCAST GROUP INC	16,759	$309K	1.43%
1003	KSUEURKANSAS CITY SOUTHERN	2,069	$309K	1.43%
1004	—MERSANA THERAPEUTICS INC	13,200	$309K	1.43%	Put
1005	FSLRFIRST SOLAR INC	6,215	$308K	1.42%
1006	—FORTRESS TRANS INFRST INVS L	23,700	$308K	1.42%	Call
1007	—GUESS INC	31,800	$308K	1.42%	Call
1008	XBITXBIOTECH INC	22,496	$308K	1.42%
1009	XBITXBIOTECH INC	22,400	$307K	1.42%	Call
1010	ALRMALARM COM HLDGS INC	4,733	$307K	1.42%
1011	—LIVENT CORP	49,900	$307K	1.42%	Put
1012	SPLKCHFSPLUNK INC	1,545	$307K	1.42%
1013	—GENMARK DIAGNOSTICS INC	20,800	$306K	1.41%	Put
1014	—DISCOVERY INC	14,500	$306K	1.41%	Put
1015	CRTOCRITEO S A	26,864	$306K	1.41%
1016	—CONTANGO OIL & GAS CO	133,500	$306K	1.41%	Call
1017	FROFRONTLINE LTD	43,800	$306K	1.41%	Put
1018	—XPERI HOLDING CORP	20,700	$306K	1.41%	Call
1019	—LINE CORP	6,100	$305K	1.41%	Put
1020	—TEXAS INSTRS INC	2,400	$305K	1.41%	Put
1021	CLWCLEARWATER PAPER CORP	8,438	$305K	1.41%
1022	VYGRVOYAGER THERAPEUTICS INC	24,100	$304K	1.40%	Call
1023	BWABORGWARNER INC	8,600	$304K	1.40%	Put
1024	OLNOLIN CORP	26,400	$303K	1.40%	Call
1025	HCCWARRIOR MET COAL INC	19,700	$303K	1.40%	Put
1026	VFFVILLAGE FARMS INTL INC	63,214	$303K	1.40%
1027	VERUVERU INC	90,400	$302K	1.39%	Call
1028	CECELANESE CORP DEL	3,500	$302K	1.39%	Call
1029	DOMODOMO INC	9,374	$302K	1.39%
1030	GOOSCANADA GOOSE HLDGS INC	13,049	$302K	1.39%
1031	—HUNT J B TRANS SVCS INC	2,500	$301K	1.39%	Call
1032	—HOSTESS BRANDS INC	24,600	$301K	1.39%	Call
1033	—BELLICUM PHARMACEUTICALS INC	40,400	$300K	1.38%	Call
1034	AVXLANAVEX LIFE SCIENCES CORP	60,700	$299K	1.38%	Call
1035	VERIVERITONE INC	20,100	$299K	1.38%	Call
1036	GTXGARRETT MOTION INC	54,000	$299K	1.38%	Call
1037	BALLBALL CORP	4,300	$299K	1.38%	Put
1038	—TWO HBRS INVT CORP	59,100	$298K	1.38%	Put
1039	BTUPEABODY ENERGY CORP NEW	103,600	$298K	1.38%	Put
1040	—APPLIED GENETIC TECHNOLOGIES	53,700	$298K	1.38%	Call
1041	LITELUMENTUM HLDGS INC	3,656	$298K	1.38%
1042	UNMUNUM GROUP	17,900	$297K	1.37%	Put
1043	LCLENDINGCLUB CORP	65,265	$297K	1.37%
1044	WVEWAVE LIFE SCIENCES LTD	28,506	$297K	1.37%
1045	—PLURALSIGHT INC	16,400	$296K	1.37%	Put
1046	DEODIAGEO P L C	2,200	$296K	1.37%	Put
1047	HOLXHOLOGIC INC	5,185	$296K	1.37%
1048	CAMTCAMTEK LTD	23,500	$296K	1.37%	Call
1049	—EROS INTL PLC	93,500	$295K	1.36%	Call
1050	—DIGITAL ALLY INC	93,500	$294K	1.36%	Put
1051	FORMFORMFACTOR INC	10,000	$293K	1.35%	Call
1052	—CHIMERA INVT CORP	30,500	$293K	1.35%	Call
1053	SMSM ENERGY CO	78,000	$293K	1.35%	Call
1054	—CRESTWOOD EQUITY PARTNERS LP	22,351	$293K	1.35%
1055	—LAREDO PETROLEUM INC	21,100	$292K	1.35%	Put
1056	PLXPROTALIX BIOTHERAPEUTICS INC	77,100	$292K	1.35%	Call
1057	—PAYLOCITY HLDG CORP	2,000	$292K	1.35%	Put
1058	TBHCKIRKLANDS INC	107,800	$292K	1.35%	Put
1059	MFAUSDMFA FINL INC	117,398	$292K	1.35%
1060	HESMHESS MIDSTREAM LP	15,900	$291K	1.34%	Call
1061	—MERRIMACK PHARMACEUTICALS IN	87,300	$291K	1.34%	Call
1062	—1LIFE HEALTHCARE INC	8,000	$291K	1.34%	Put
1063	—RUBICON PROJ INC	43,700	$291K	1.34%	Put
1064	WLKWESTLAKE CHEM CORP	5,400	$290K	1.34%	Put
1065	—MARINUS PHARMACEUTICALS INC	114,000	$290K	1.34%	Put
1066	—PUBLIC SVC ENTERPRISE GRP IN	5,900	$290K	1.34%	Call
1067	JACKJACK IN THE BOX INC	3,900	$289K	1.33%	Call
1068	ADAPYADAPTIMMUNE THERAPEUTICS PLC	28,621	$287K	1.32%
1069	ELANELANCO ANIMAL HEALTH INC	13,393	$287K	1.32%
1070	MURMURPHY OIL CORP	20,824	$287K	1.32%
1071	CGNXCOGNEX CORP	4,800	$287K	1.32%	Call
1072	—VEREIT INC	44,700	$287K	1.32%	Put
1073	—ALLAKOS INC	4,000	$287K	1.32%	Put
1074	LGFEURLIONS GATE ENTMNT CORP	38,783	$287K	1.32%
1075	UCTTULTRA CLEAN HLDGS INC	12,700	$287K	1.32%
1076	IRDMIRIDIUM COMMUNICATIONS INC	11,234	$286K	1.32%
1077	GTMZOOMINFO TECHNOLOGIES INC	5,600	$286K	1.32%	Put
1078	INCYINCYTE CORP	2,738	$285K	1.32%
1079	—ORGANIGRAM HLDGS INC	182,500	$285K	1.32%	Call
1080	BENFRANKLIN RESOURCES INC	13,600	$285K	1.32%	Call
1081	—VOCERA COMMUNICATIONS INC	13,400	$284K	1.31%	Call
1082	BLDTOPBUILD CORP	2,500	$284K	1.31%	Put
1083	—LADDER CAP CORP	35,100	$284K	1.31%	Put
1084	PAYSPAYSIGN INC	29,100	$283K	1.31%	Put
1085	IDCCINTERDIGITAL INC	5,000	$283K	1.31%	Call
1086	—THERAPEUTICSMD INC	226,500	$283K	1.31%	Call
1087	ACCOACCO BRANDS CORP	39,700	$282K	1.30%	Call
1088	—MYOVANT SCIENCES LTD	13,696	$282K	1.30%
1089	NEONEOGENOMICS INC	9,100	$282K	1.30%	Put
1090	CLDXCELLDEX THERAPEUTICS INC NEW	21,600	$281K	1.30%	Put
1091	—CANADIAN PAC RY LTD	1,100	$281K	1.30%	Put
1092	—WELBILT INC	46,000	$280K	1.29%	Put
1093	KODKEASTMAN KODAK CO	125,700	$280K	1.29%	Put
1094	—SYNEOS HEALTH INC	4,800	$280K	1.29%	Call
1095	—VAPOTHERM INC	6,821	$280K	1.29%
1096	—FERRO CORP	23,400	$279K	1.29%	Call
1097	—CELSION CORP	75,000	$279K	1.29%	Put
1098	CRKCOMSTOCK RES INC	63,800	$279K	1.29%
1099	—TRINITY INDS INC	13,100	$279K	1.29%	Call
1100	—OASIS MIDSTREAM PARTNERS LP	32,000	$279K	1.29%	Put

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