GROUP ONE TRADING LLC Q2 2021 Filing

Filed August 10, 2021

Portfolio Value

$82.9B

Holdings

8,103

Report Date

Q2 2021

Filing Type

13F-HR

All Holdings (8,103 positions)

#	Stock	Shares	Value	% Portfolio	Type
1001	IPGINTERPUBLIC GROUP COS INC	13,007	$423.0M	0.51%
1002	COMPCOMPASS INC	32,100	$422.0M	0.51%	Call
1003	NVTNVENT ELECTRIC PLC	13,500	$422.0M	0.51%	Call
1004	—TRANSLATE BIO INC	15,321	$422.0M	0.51%
1005	—CASPER SLEEP INC	51,200	$422.0M	0.51%	Put
1006	—CYRUSONE INC	5,900	$422.0M	0.51%	Put
1007	—BEACON ROOFING SUPPLY INC	7,900	$421.0M	0.51%	Call
1008	—HILL-ROM HLDGS INC	3,700	$420.0M	0.51%	Put
1009	—WABTEC	5,100	$420.0M	0.51%	Put
1010	—ENDO INTL PLC	89,800	$420.0M	0.51%	Put
1011	PORPORTLAND GEN ELEC CO	9,118	$420.0M	0.51%
1012	APLEAPPLE HOSPITALITY REIT INC	27,514	$420.0M	0.51%
1013	ETRNUSDEQUITRANS MIDSTREAM CORP	49,343	$420.0M	0.51%
1014	SOGOGBPSOGOU INC	49,161	$419.0M	0.51%
1015	—SURFACE ONCOLOGY INC	56,200	$419.0M	0.51%	Call
1016	CNXCCONCENTRIX CORP	2,600	$418.0M	0.50%	Call
1017	LPGDORIAN LPG LTD	29,600	$418.0M	0.50%	Put
1018	BRKRBRUKER CORP	5,500	$418.0M	0.50%	Put
1019	WLDNWILLDAN GROUP INC	11,100	$418.0M	0.50%	Call
1020	—CALIFORNIA WTR SVC GROUP	7,500	$417.0M	0.50%	Put
1021	ESPRESPERION THERAPEUTICS INC NE	19,699	$417.0M	0.50%
1022	—SPARK ENERGY INC	36,800	$417.0M	0.50%	Call
1023	—ENERPLUS CORP	58,000	$417.0M	0.50%	Put
1024	—NEXTGEN ACQUISITION CORP	42,000	$417.0M	0.50%	Put
1025	ADMAADMA BIOLOGICS INC	259,700	$416.0M	0.50%	Call
1026	—PROTHENA CORP PLC	8,100	$416.0M	0.50%	Call
1027	RCREADY CAPITAL CORP	26,200	$416.0M	0.50%	Put
1028	GERNGERON CORP	295,300	$416.0M	0.50%	Put
1029	CYHCOMMUNITY HEALTH SYS INC NEW	26,900	$415.0M	0.50%	Call
1030	KOPNKOPIN CORP	50,693	$415.0M	0.50%
1031	TCRTZIOPHARM ONCOLOGY INC	157,215	$415.0M	0.50%
1032	PENGSMART GLOBAL HLDGS INC	8,700	$415.0M	0.50%	Call
1033	AMDADVANCED MICRO DEVICES INC	4,413,800	$414.6M	0.50%	Put
1034	—BRIXMOR PPTY GROUP INC	18,100	$414.0M	0.50%	Call
1035	—CASA SYS INC	46,700	$414.0M	0.50%	Call
1036	BENFRANKLIN RESOURCES INC	12,900	$413.0M	0.50%	Put
1037	APTALPHA PRO TECH LTD	48,213	$413.0M	0.50%
1038	—PLANTRONICS INC NEW	9,900	$413.0M	0.50%	Put
1039	ADPTADAPTIVE BIOTECHNOLOGIES COR	10,100	$413.0M	0.50%	Put
1040	—GREAT PANTHER MNG LTD	659,700	$412.0M	0.50%	Call
1041	ITTITT INC	4,500	$412.0M	0.50%	Put
1042	—APOLLO COML REAL EST FIN INC	25,800	$412.0M	0.50%	Call
1043	AOSSMITH A O CORP	5,700	$411.0M	0.50%	Call
1044	—LIGHTNING EMOTORS INC	49,500	$411.0M	0.50%	Put
1045	CTSOCYTOSORBENTS CORP	54,300	$410.0M	0.49%	Call
1046	—FAR PEAK ACQUISITION CORP	41,200	$410.0M	0.49%	Call
1047	ITRNITURAN LOCATION AND CONTROL	15,000	$409.0M	0.49%	Put
1048	EPAMEPAM SYS INC	800	$409.0M	0.49%
1049	FPIFARMLAND PARTNERS INC	33,888	$408.0M	0.49%
1050	GWWGRAINGER W W INC	932	$408.0M	0.49%
1051	—AKOUSTIS TECHNOLOGIES INC	38,100	$408.0M	0.49%	Put
1052	HBMHUDBAY MINERALS INC	61,200	$408.0M	0.49%	Call
1053	NKTRNEKTAR THERAPEUTICS	23,800	$408.0M	0.49%	Call
1054	JBLJABIL INC	7,000	$407.0M	0.49%	Put
1055	REKRREKOR SYSTEMS INC	40,107	$407.0M	0.49%
1056	CMRECOSTAMARE INC	34,400	$406.0M	0.49%	Call
1057	—BHP GROUP PLC	6,800	$406.0M	0.49%	Call
1058	IBNICICI BANK LIMITED	23,657	$405.0M	0.49%
1059	—BRAINSTORM CELL THERAPEUTICS	106,700	$405.0M	0.49%	Put
1060	TILEINTERFACE INC	26,400	$404.0M	0.49%	Call
1061	—FREQUENCY THERAPEUTICS INC	40,600	$404.0M	0.49%	Call
1062	LEALEAR CORP	2,300	$403.0M	0.49%	Put
1063	—TEXTAINER GROUP HOLDINGS LTD	11,900	$402.0M	0.48%	Put
1064	ITWILLINOIS TOOL WKS INC	1,800	$402.0M	0.48%	Call
1065	—ACCELERATE DIAGNOSTICS INC	49,900	$402.0M	0.48%	Call
1066	ALTOALTO INGREDIENTS INC	65,832	$402.0M	0.48%
1067	CHRDOASIS PETROLEUM INC	4,000	$402.0M	0.48%	Call
1068	HSICHENRY SCHEIN INC	5,400	$401.0M	0.48%	Call
1069	—ATLAS CORP	28,132	$401.0M	0.48%
1070	LNTHLANTHEUS HLDGS INC	14,475	$400.0M	0.48%
1071	—LEFTERIS ACQUISITION CORP	41,000	$400.0M	0.48%	Call
1072	SAILEURSAILPOINT TECHNOLOGIES HLDGS	7,823	$400.0M	0.48%
1073	—GRAN TIERRA ENERGY INC	539,500	$399.0M	0.48%	Call
1074	DSXDIANA SHIPPING INC	76,300	$398.0M	0.48%	Call
1075	MFINMEDALLION FINL CORP	44,891	$398.0M	0.48%
1076	CELHCELSIUS HLDGS INC	5,220	$397.0M	0.48%
1077	UDRUDR INC	8,100	$397.0M	0.48%	Call
1078	—DIGITAL ALLY INC	220,553	$397.0M	0.48%
1079	—TRADEWEB MKTS INC	4,700	$397.0M	0.48%	Call
1080	—GENIUS BRANDS INTL INC	215,200	$396.0M	0.48%	Put
1081	AQUAUSDEVOQUA WATER TECHNOLOGIES CO	11,737	$396.0M	0.48%
1082	BTAIEURBIOXCEL THERAPEUTICS INC	13,577	$395.0M	0.48%
1083	GPKGRAPHIC PACKAGING HLDG CO	21,800	$395.0M	0.48%	Call
1084	VCELVERICEL CORP	7,518	$395.0M	0.48%
1085	NIONIO INC	7,422	$395.0M	0.48%
1086	PAYSPAYSIGN INC	124,300	$395.0M	0.48%	Put
1087	MERCMERCER INTL INC	30,900	$394.0M	0.48%	Call
1088	—SENSATA TECHNOLOGIES HLDG PL	6,800	$394.0M	0.48%	Call
1089	NNNNATIONAL RETAIL PROPERTIES I	8,400	$394.0M	0.48%	Put
1090	LTHM1EURLIVENT CORP	20,295	$393.0M	0.47%
1091	HRIHERC HLDGS INC	3,500	$392.0M	0.47%
1092	TFINTRIUMPH BANCORP INC	5,274	$392.0M	0.47%
1093	—ORGANIGRAM HLDGS INC	137,000	$392.0M	0.47%	Put
1094	—PRIMO WATER CORPORATION	23,400	$391.0M	0.47%	Put
1095	SEESEALED AIR CORP NEW	6,580	$390.0M	0.47%
1096	WALWESTERN ALLIANCE BANCORP	4,200	$390.0M	0.47%	Call
1097	IDNINTELLICHECK INC	46,500	$389.0M	0.47%	Call
1098	TDGTRANSDIGM GROUP INC	600	$388.0M	0.47%	Call
1099	—SHELL MIDSTREAM PARTNERS L P	26,300	$388.0M	0.47%	Put
1100	—MIND MEDICINE MINDMED INC	112,089	$387.0M	0.47%

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