GROUP ONE TRADING LLC Q4 2020 Filing

Filed February 10, 2021

Portfolio Value

$57.8M

Holdings

6,453

Report Date

Q4 2020

Filing Type

13F-HR

All Holdings (6,453 positions)

#	Stock	Shares	Value	% Portfolio	Type
4101	AMKRAMKOR TECHNOLOGY INC	12,003	$181K	0.31%
4102	—CUBIC CORP	2,900	$180K	0.31%	Call
4103	—DAVIDSTEA INC	74,700	$180K	0.31%	Put
4104	TBCHTURTLE BEACH CORP	8,369	$180K	0.31%
4105	MCSMARCUS CORP DEL	13,281	$179K	0.31%
4106	TGNATEGNA INC	12,800	$179K	0.31%	Put
4107	—INSU ACQUISITION CORP II	11,500	$179K	0.31%	Put
4108	—RADIUS HEALTH INC	10,000	$179K	0.31%	Put
4109	WDWALKER & DUNLOP INC	1,945	$179K	0.31%
4110	IQVIQVIA HLDGS INC	1,000	$179K	0.31%	Put
4111	—QELL ACQUISITION CORP	14,464	$178K	0.31%
4112	WRAPWRAP TECHNOLOGIES INC	36,884	$178K	0.31%
4113	—BLUE APRON HLDGS INC	31,900	$178K	0.31%	Put
4114	LPGDORIAN LPG LTD	14,600	$178K	0.31%	Call
4115	—TREEHOUSE FOODS INC	4,200	$178K	0.31%	Call
4116	AGXARGAN INC	4,000	$178K	0.31%
4117	—ZAGG INC	42,800	$178K	0.31%	Call
4118	—PROOFPOINT INC	1,300	$177K	0.31%	Call
4119	NSTGEURNANOSTRING TECHNOLOGIES INC	2,645	$177K	0.31%
4120	SWCHEURSWITCH INC	10,810	$177K	0.31%
4121	FSSFEDERAL SIGNAL CORP	5,300	$176K	0.30%	Call
4122	—ORCHID IS CAP INC	33,700	$176K	0.30%	Put
4123	WWRWESTWATER RES INC	35,700	$176K	0.30%	Put
4124	MTSIMACOM TECH SOLUTIONS HLDGS I	3,200	$176K	0.30%	Put
4125	8LP1LAREDO PETROLEUM INC	8,941	$176K	0.30%
4126	ALKSALKERMES PLC	8,800	$176K	0.30%	Call
4127	NGDNEW GOLD INC CDA	79,777	$175K	0.30%
4128	CMRECOSTAMARE INC	21,100	$175K	0.30%	Put
4129	RYAMRAYONIER ADVANCED MATLS INC	26,800	$175K	0.30%	Call
4130	HHC*HOWARD HUGHES CORP	2,221	$175K	0.30%
4131	—SERVICE PPTYS TR	15,200	$175K	0.30%	Call
4132	KALVKALVISTA PHARMACEUTICALS INC	9,200	$175K	0.30%	Call
4133	—MGM GROWTH PPTYS LLC	5,600	$175K	0.30%	Put
4134	ATECALPHATEC HLDGS INC	12,000	$174K	0.30%	Call
4135	TDAYGANNETT CO INC	51,800	$174K	0.30%	Put
4136	BAHBOOZ ALLEN HAMILTON HLDG COR	2,000	$174K	0.30%	Call
4137	—SIRIUS XM HOLDINGS INC	27,300	$174K	0.30%	Put
4138	—RPT REALTY	20,100	$174K	0.30%	Call
4139	TGTREDEGAR CORP	10,400	$174K	0.30%	Call
4140	—NOBLE MIDSTREAM PARTNERS LP	16,691	$174K	0.30%
4141	AAOIAPPLIED OPTOELECTRONICS INC	20,300	$173K	0.30%	Put
4142	INNSUMMIT HOTEL PPTYS INC	19,200	$173K	0.30%	Call
4143	—DIGITAL ALLY INC	73,600	$172K	0.30%	Put
4144	—SOCIEDAD QUIMICA Y MINERA DE	3,500	$172K	0.30%	Call
4145	ALSALLSTATE CORP	1,566	$172K	0.30%
4146	—HERSHA HOSPITALITY TR	21,800	$172K	0.30%	Put
4147	PVG1EURPRETIUM RES INC	14,965	$172K	0.30%
4148	AGENEURAGENUS INC	53,959	$172K	0.30%
4149	CDWCDW CORP	1,300	$171K	0.30%	Call
4150	—CHEETAH MOBILE INC	94,900	$171K	0.30%	Call
4151	—TCR2 THERAPEUTICS INC	5,500	$170K	0.29%	Call
4152	PMTPENNYMAC MTG INVT TR	9,641	$170K	0.29%
4153	DVAXDYNAVAX TECHNOLOGIES CORP	38,100	$170K	0.29%	Put
4154	—ZIX CORP	19,700	$170K	0.29%	Call
4155	CVLTCOMMVAULT SYSTEMS INC	3,070	$170K	0.29%
4156	—500 COM LTD	18,900	$170K	0.29%	Put
4157	CALMCAL MAINE FOODS INC	4,527	$170K	0.29%
4158	NHTCNATURAL HEALTH TRENDS CORP	33,900	$169K	0.29%	Put
4159	DHTDHT HOLDINGS INC	32,300	$169K	0.29%	Call
4160	—APARTMENT INVT & MGMT CO	32,000	$169K	0.29%	Put
4161	IRDMIRIDIUM COMMUNICATIONS INC	4,290	$169K	0.29%
4162	—CONNS INC	14,400	$168K	0.29%	Call
4163	VLYVALLEY NATL BANCORP	17,191	$168K	0.29%
4164	LHLABORATORY CORP AMER HLDGS	826	$168K	0.29%
4165	—ZOGENIX INC	8,400	$168K	0.29%	Put
4166	TRUPTRUPANION INC	1,400	$168K	0.29%	Put
4167	—TRIVAGO N V	69,429	$168K	0.29%
4168	—EPIZYME INC	15,500	$168K	0.29%	Put
4169	—GENMARK DIAGNOSTICS INC	11,500	$168K	0.29%	Call
4170	LQDTLIQUIDITY SERVICES INC	10,495	$167K	0.29%
4171	—CHAMPIONX CORPORATION	10,900	$167K	0.29%	Call
4172	—AGENUS INC	52,600	$167K	0.29%	Put
4173	—HEARTLAND FINL USA INC	4,100	$166K	0.29%	Call
4174	VACMARRIOTT VACTINS WORLDWID CO	1,200	$165K	0.29%	Put
4175	NOCNORTHROP GRUMMAN CORP	540	$165K	0.29%
4176	HB6HIBBETT SPORTS INC	3,581	$165K	0.29%
4177	—NORTHERN GENESIS ACQUISITION	9,258	$165K	0.29%
4178	—ANTARES PHARMA INC	41,300	$165K	0.29%	Put
4179	PDSPRECISION DRILLING CORP	10,000	$165K	0.29%	Call
4180	CMPSCOMPASS PATHWAYS PLC	3,453	$165K	0.29%
4181	WSMWILLIAMS SONOMA INC	1,617	$165K	0.29%
4182	AMSCAMERICAN SUPERCONDUCTOR CORP	7,000	$164K	0.28%	Call
4183	ONLNPROSHARES TR	2,167	$164K	0.28%
4184	ISRGINTUITIVE SURGICAL INC	199,800	$163K	0.28%	Call
4185	CAASCHINA AUTOMOTIVE SYS INC	26,200	$163K	0.28%	Put
4186	—MANITEX INTL INC	31,500	$163K	0.28%	Call
4187	—VICI PPTYS INC	6,400	$163K	0.28%	Put
4188	PHPARKER-HANNIFIN CORP	600	$163K	0.28%	Put
4189	—SYNOVUS FINL CORP	5,000	$162K	0.28%	Put
4190	PCRXPACIRA BIOSCIENCES INC	2,709	$162K	0.28%
4191	CERSCERUS CORP	23,346	$162K	0.28%
4192	HTGCHERCULES CAPITAL INC	11,245	$162K	0.28%
4193	OSKOSHKOSH CORP	1,876	$161K	0.28%
4194	CMBTEURONAV NV	20,100	$161K	0.28%	Put
4195	BMIBP PRUDHOE BAY RTY TR	67,663	$161K	0.28%
4196	LINDLINDBLAD EXPEDITIONS HLDGS I	9,400	$161K	0.28%	Call
4197	—ATLANTIC POWER CORP	76,600	$161K	0.28%	Put
4198	NOMDNOMAD FOODS LTD	6,300	$160K	0.28%	Put
4199	KALAKALA PHARMACEUTICALS INC	23,663	$160K	0.28%
4200	AIRGAIRGAIN INC	9,000	$160K	0.28%	Call

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