GROUP ONE TRADING LLC Q1 2021 Filing

Filed May 12, 2021

Portfolio Value

$67.5M

Holdings

7,548

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (7,548 positions)

#	Stock	Shares	Value	% Portfolio	Type
901	ANAUTONATION INC	5,000	$466K	0.69%	Call
902	—PHILLIPS 66 PARTNERS LP	14,700	$466K	0.69%	Put
903	HDBHDFC BANK LTD	6,000	$466K	0.69%	Call
904	—TANZANIAN GOLD CORP	789,300	$466K	0.69%	Call
905	IMMRIMMERSION CORP	48,613	$466K	0.69%
906	AVXLANAVEX LIFE SCIENCES CORP	31,114	$465K	0.69%
907	WWEUSDWORLD WRESTLING ENTMT INC	8,553	$464K	0.69%
908	—SHIFT TECHNOLOGIES INC	55,798	$464K	0.69%
909	—TPI COMPOSITES INC	8,200	$463K	0.69%	Call
910	—CUBIC CORP	6,200	$462K	0.68%	Put
911	—SESEN BIO INC	177,821	$462K	0.68%
912	—HARROW HEALTH INC	68,400	$462K	0.68%	Call
913	CDZICADIZ INC	48,200	$462K	0.68%	Put
914	FCFRANKLIN COVEY CO	16,300	$461K	0.68%	Call
915	PLBYPLBY GROUP INC	23,500	$460K	0.68%	Call
916	AONAON PLC	2,000	$460K	0.68%	Put
917	ANGIANGI INC	35,400	$460K	0.68%	Put
918	EOLSEVOLUS INC	35,375	$460K	0.68%
919	—CERNER CORP	6,400	$460K	0.68%	Put
920	ESIELEMENT SOLUTIONS INC	25,100	$459K	0.68%	Call
921	—MONOLITHIC PWR SYS INC	1,300	$459K	0.68%	Call
922	—LIPOCINE INC NEW	303,200	$458K	0.68%	Call
923	—SENSATA TECHNOLOGIES HLDG PL	7,900	$458K	0.68%	Put
924	—AMERICAN AXLE & MFG HLDGS IN	47,400	$458K	0.68%	Put
925	SKLZSKILLZ INC	24,079	$458K	0.68%
926	—BANCO SANTANDER MEXICO SA	8,300	$457K	0.68%	Call
927	WPRTWESTPORT FUEL SYSTEMS INC	63,510	$457K	0.68%
928	—LESLIES INC	18,603	$456K	0.68%
929	WLDNWILLDAN GROUP INC	11,100	$456K	0.68%	Call
930	—FORUM MERGER III CORP	45,784	$456K	0.68%
931	ITGARTNER INC	2,500	$456K	0.68%	Call
932	—RIGEL PHARMACEUTICALS INC	132,900	$455K	0.67%	Call
933	—GOHEALTH INC	38,900	$455K	0.67%	Call
934	SG7SAGE THERAPEUTICS INC	6,063	$454K	0.67%
935	CODICOMPASS DIVERSIFIED	19,600	$454K	0.67%	Call
936	—CONTAINER STORE GROUP INC	27,300	$454K	0.67%	Call
937	CERSCERUS CORP	75,500	$454K	0.67%	Call
938	CALXCALIX INC	13,061	$453K	0.67%
939	LDOSLEIDOS HOLDINGS INC	4,700	$453K	0.67%	Call
940	NMIHNMI HLDGS INC	19,100	$452K	0.67%	Call
941	ORTXUSDORCHARD THERAPEUTICS PLC	62,268	$452K	0.67%
942	—MOGO INC	53,200	$452K	0.67%	Put
943	ADPAUTOMATIC DATA PROCESSING IN	2,400	$452K	0.67%	Put
944	XPXP INC	12,000	$452K	0.67%	Put
945	KEXKIRBY CORP	7,500	$452K	0.67%	Put
946	ABUSARBUTUS BIOPHARMA CORP	135,300	$451K	0.67%	Put
947	—SAILPOINT TECHNOLOGIES HLDGS	8,900	$451K	0.67%	Call
948	—AKERNA CORP	91,200	$451K	0.67%	Put
949	—ALBIREO PHARMA INC	12,800	$451K	0.67%	Call
950	—GRANITE PT MTG TR INC	37,700	$451K	0.67%	Call
951	—PROSPECT CAP CORP	58,800	$451K	0.67%	Put
952	NMRNOMURA HLDGS INC	84,100	$451K	0.67%	Put
953	OMFONEMAIN HLDGS INC	8,400	$451K	0.67%	Call
954	MFCMANULIFE FINL CORP	20,933	$450K	0.67%
955	—SOGOU INC	59,500	$449K	0.67%	Call
956	MCRIMONARCH CASINO & RESORT INC	7,400	$449K	0.67%	Call
957	RHRHYTHM PHARMACEUTICALS INC	21,100	$449K	0.67%	Call
958	—SIERRA WIRELESS INC	30,300	$448K	0.66%	Call
959	—BOWX ACQUISITION CORP	38,300	$447K	0.66%	Call
960	—UXIN LTD	381,848	$447K	0.66%
961	—BLUEPRINT MEDICINES CORP	4,600	$447K	0.66%	Call
962	—SESEN BIO INC	171,600	$446K	0.66%	Put
963	—FLAGSTAR BANCORP INC	9,900	$446K	0.66%	Call
964	—HIGHCAPE CAP ACQUISITION COR	37,400	$446K	0.66%	Call
965	—SPARTAN ACQUISITION CORP II	42,500	$445K	0.66%	Call
966	TRPTC ENERGY CORP	9,700	$444K	0.66%	Put
967	—BIOSIG TECHNOLOGIES INC	103,100	$444K	0.66%	Call
968	AJRDEURAEROJET ROCKETDYNE HLDGS INC	9,449	$444K	0.66%
969	NVTNVENT ELECTRIC PLC	15,900	$444K	0.66%	Call
970	IOVAIOVANCE BIOTHERAPEUTICS INC	14,035	$444K	0.66%
971	ETRNUSDEQUITRANS MIDSTREAM CORP	54,441	$444K	0.66%
972	SMSISMITH MICRO SOFTWARE INC	80,727	$444K	0.66%
973	ZDJ2 GLOBAL INC	3,700	$443K	0.66%	Call
974	ALTGALTA EQUIPMENT GROUP INC	3,400	$442K	0.65%	Put
975	DBAINVESCO DB US DLR INDEX TR	21,100	$442K	0.65%	Call
976	AMXAMERICA MOVIL SAB DE CV	32,500	$441K	0.65%	Call
977	AZTABROOKS AUTOMATION INC NEW	5,400	$441K	0.65%	Put
978	GOEVQCANOO INC	48,828	$441K	0.65%
979	CERSCERUS CORP	73,400	$441K	0.65%	Put
980	—BHP GROUP PLC	7,600	$440K	0.65%	Put
981	IMMRIMMERSION CORP	45,800	$439K	0.65%	Call
982	TECLDIREXION SHS ETF TR	10,590	$438K	0.65%
983	CURICURIOSITYSTREAM INC	32,353	$438K	0.65%
984	VKTXVIKING THERAPEUTICS INC	69,273	$438K	0.65%
985	ATHMAUTOHOME INC	4,700	$438K	0.65%	Put
986	CMCANADIAN IMP BK COMM	4,471	$438K	0.65%
987	TRMKTRUSTMARK CORP	1,300	$438K	0.65%	Call
988	—ATLAS CORP	32,000	$437K	0.65%	Call
989	GLDSPDR GOLD TR	2,729,700	$437K	0.65%	Call
990	RVTYPERKINELMER INC	3,400	$436K	0.65%	Put
991	—REGIS CORP MINN	34,700	$436K	0.65%	Put
992	—SPARTAN ACQUISITION CORP II	41,700	$436K	0.65%	Put
993	HBANHUNTINGTON BANCSHARES INC	27,700	$435K	0.64%	Put
994	EAFEURGRAFTECH INTL LTD	35,579	$435K	0.64%
995	LINDLINDBLAD EXPEDITIONS HLDGS I	23,000	$435K	0.64%	Put
996	—WESTERN ASSET MTG CAP CORP	136,200	$434K	0.64%	Call
997	—ALEXCO RESOURCE CORP	173,100	$434K	0.64%	Put
998	SCCOSOUTHERN COPPER CORP	6,400	$434K	0.64%	Put
999	TROXTRONOX HOLDINGS PLC	23,700	$434K	0.64%	Call
1000	AXTAAXALTA COATING SYS LTD	14,600	$432K	0.64%	Put

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