GROUP ONE TRADING LLC Q4 2021 Filing

Filed February 11, 2022

Portfolio Value

$124.5M

Holdings

8,228

Report Date

Q4 2021

Filing Type

13F-HR

All Holdings (8,228 positions)

#	Stock	Shares	Value	% Portfolio	Type
5001	MDXGMIMEDX GROUP INC	34,900	$211K	0.17%	Put
5002	CANETEUCRIUM COMMODITY TR	9,800	$211K	0.17%	Put
5003	TRUPTRUPANION INC	1,600	$211K	0.17%	Call
5004	TWTRADEWEB MKTS INC	2,100	$210K	0.17%	Call
5005	—TRAVEL PLUS LEISURE CO	3,800	$210K	0.17%	Call
5006	—51JOB INC	4,300	$210K	0.17%	Call
5007	HLITHARMONIC INC	17,856	$210K	0.17%
5008	—QIWI PLC	26,300	$210K	0.17%	Call
5009	RGNXREGENXBIO INC	6,400	$209K	0.17%	Put
5010	—EVOLV TECHNOLOGIES HLDNGS IN	46,800	$209K	0.17%	Call
5011	NUVBNUVATION BIO INC	24,600	$209K	0.17%	Call
5012	—CHINA PETROLEUM & CHEMICAL C	4,500	$209K	0.17%	Put
5013	VTSIVIRTRA INC	29,900	$209K	0.17%	Call
5014	—SUNWORKS INC	68,100	$209K	0.17%	Call
5015	STRLSTERLING CONSTR INC	7,935	$209K	0.17%
5016	—GALERA THERAPEUTICS INC	45,300	$208K	0.17%	Call
5017	LQDALIQUIDIA CORPORATION	42,764	$208K	0.17%
5018	—METROMILE INC	94,300	$207K	0.17%	Call
5019	BHGBRIGHT HEALTH GROUP INC	60,292	$207K	0.17%
5020	CPACOPA HOLDINGS SA	2,500	$207K	0.17%	Call
5021	APAMARTISAN PARTNERS ASSET MGMT	4,341	$207K	0.17%
5022	VRAYQVIEWRAY INC	37,546	$207K	0.17%
5023	PRTAPROTHENA CORP PLC	4,188	$207K	0.17%
5024	IRDOCUPHIRE PHARMA INC	55,400	$207K	0.17%	Call
5025	LQDALIQUIDIA CORPORATION	42,200	$206K	0.17%	Call
5026	—EXELA TECHNOLOGIES INC	235,209	$206K	0.17%
5027	—APOLLO COML REAL EST FIN INC	15,600	$205K	0.16%	Put
5028	—GRANITE PT MTG TR INC	17,500	$205K	0.16%	Call
5029	—BIOSIG TECHNOLOGIES INC	91,800	$205K	0.16%	Call
5030	CMRECOSTAMARE INC	16,100	$204K	0.16%	Put
5031	VERUVERU INC	34,700	$204K	0.16%	Put
5032	—PLAYA HOTELS & RESORTS NV	25,600	$204K	0.16%	Call
5033	—HYRECAR INC	43,300	$204K	0.16%	Put
5034	—TELEFONICA BRASIL SA	23,600	$204K	0.16%	Call
5035	—SCHWAB STRATEGIC TR	1,800	$203K	0.16%	Put
5036	—NCINO INC	3,700	$203K	0.16%	Put
5037	PFGPRINCIPAL FINANCIAL GROUP IN	2,800	$203K	0.16%	Put
5038	—ENLINK MIDSTREAM LLC	29,500	$203K	0.16%	Call
5039	—PAE INC	20,300	$202K	0.16%	Call
5040	—GAMIDA CELL LTD	79,600	$202K	0.16%	Put
5041	AHCOADAPTHEALTH CORP	8,200	$201K	0.16%	Put
5042	INODINNODATA INC	33,900	$201K	0.16%	Put
5043	VVVVALVOLINE INC	5,400	$201K	0.16%	Call
5044	—APTOSE BIOSCIENCES INC	148,956	$201K	0.16%
5045	CYTKCYTOKINETICS INC	4,400	$201K	0.16%	Put
5046	CRCTCRICUT INC	9,052	$200K	0.16%
5047	BIRDGBPALLBIRDS INC	13,237	$200K	0.16%
5048	SBRASABRA HEALTH CARE REIT INC	14,800	$200K	0.16%	Call
5049	ONITOCWEN FINL CORP	5,000	$200K	0.16%	Put
5050	—9 METERS BIOPHARMA INC	204,040	$200K	0.16%
5051	APREAPREA THERAPEUTICS INC	69,840	$200K	0.16%
5052	—IHS MARKIT LTD	1,500	$199K	0.16%	Call
5053	DXLGDESTINATION XL GROUP INC	35,000	$199K	0.16%
5054	—FLUENT INC	100,000	$199K	0.16%	Put
5055	CHTRCHARTER COMMUNICATIONS INC N	305,100	$199K	0.16%	Call
5056	MTZMASTEC INC	2,148	$198K	0.16%
5057	AUTLAUTOLUS THERAPEUTICS PLC	38,100	$198K	0.16%	Call
5058	IMNMIMMUNOME INC	15,300	$198K	0.16%	Call
5059	—NAM TAI PPTY INC	19,628	$198K	0.16%
5060	—HUTTIG BLDG PRODS INC	17,800	$197K	0.16%	Call
5061	DMTKQDERMTECH INC	12,497	$197K	0.16%
5062	STAGSTAG INDL INC	4,100	$197K	0.16%	Call
5063	5TCTRUECAR INC	57,812	$197K	0.16%
5064	SEISOLARIS OILFIELD INFRASTRUCT	30,000	$197K	0.16%	Put
5065	NXSTNEXSTAR MEDIA GROUP INC	1,300	$196K	0.16%	Put
5066	—MOGO INC	57,300	$196K	0.16%	Put
5067	CHNGUSDCHANGE HEALTHCARE INC	9,165	$196K	0.16%
5068	CTLPCANTALOUPE INC	22,060	$196K	0.16%
5069	NTRANATERA INC	2,100	$196K	0.16%	Call
5070	—HIPPO HLDGS INC	69,200	$196K	0.16%	Put
5071	CCSCENTURY CMNTYS INC	2,400	$196K	0.16%
5072	—ROOT INC	62,900	$195K	0.16%	Put
5073	ALKSALKERMES PLC	8,400	$195K	0.16%	Call
5074	—PHUNWARE INC	74,300	$195K	0.16%	Call
5075	VKTXVIKING THERAPEUTICS INC	42,300	$195K	0.16%	Put
5076	VODVODAFONE GROUP PLC NEW	13,081	$195K	0.16%
5077	—HUANENG PWR INTL INC	7,400	$195K	0.16%	Call
5078	TDWTIDEWATER INC NEW	18,100	$194K	0.16%	Call
5079	WWRWESTWATER RES INC	90,006	$194K	0.16%
5080	—VIMEO INC	10,800	$194K	0.16%	Put
5081	—ZYNERBA PHARMACEUTICALS INC	67,443	$194K	0.16%
5082	PRTSCARPARTS COM INC	17,200	$193K	0.15%	Put
5083	—DOGNESS INTERNATIONAL CORP	23,000	$193K	0.15%	Call
5084	—GRAYBUG VISION INC	105,600	$193K	0.15%	Call
5085	—PETIQ INC	8,500	$193K	0.15%	Call
5086	SMGSCOTTS MIRACLE-GRO CO	1,200	$193K	0.15%	Put
5087	AKTSQAKOUSTIS TECHNOLOGIES INC	28,677	$192K	0.15%
5088	ZIPZIPRECRUITER INC	7,700	$192K	0.15%	Put
5089	PKXPOSCO	3,300	$192K	0.15%	Call
5090	—HERSHA HOSPITALITY TR	20,900	$192K	0.15%	Put
5091	—ICLICK INTERACTIVE ASIA GROU	41,600	$192K	0.15%	Call
5092	CHPTCHARGEPOINT HOLDINGS INC	10,057	$192K	0.15%
5093	MNOVMEDICINOVA INC	71,200	$191K	0.15%	Call
5094	RFLRAFAEL HLDGS INC	37,364	$191K	0.15%
5095	PENPENUMBRA INC	665	$191K	0.15%
5096	APAMARTISAN PARTNERS ASSET MGMT	4,000	$191K	0.15%	Put
5097	EFCELLINGTON FINANCIAL INC	11,200	$191K	0.15%	Put
5098	—AKERNA CORP	109,353	$191K	0.15%
5099	EOLSEVOLUS INC	29,343	$191K	0.15%
5100	—DENBURY INC	2,500	$191K	0.15%	Put

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