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
5901	ATYRATYR PHARMA INC	10,700	$80K	0.06%	Put
5902	NVTNVENT ELECTRIC PLC	2,100	$80K	0.06%	Call
5903	—EPIZYME INC	31,900	$80K	0.06%	Put
5904	ATENA10 NETWORKS INC	4,847	$80K	0.06%
5905	SANWS&W SEED CO	29,152	$80K	0.06%
5906	LODECOMSTOCK MNG INC	62,200	$80K	0.06%	Put
5907	—VEECO INSTRS INC DEL	2,800	$80K	0.06%	Call
5908	—PEOPLES UNITED FINANCIAL INC	4,500	$80K	0.06%	Put
5909	NHWKHEAT BIOLOGICS INC	25,887	$79K	0.06%
5910	—BOTTOMLINE TECH DEL INC	1,400	$79K	0.06%	Put
5911	—PROS HOLDINGS INC	2,300	$79K	0.06%	Put
5912	NIUNIU TECHNOLOGIES	4,900	$79K	0.06%	Call
5913	RDHLREDHILL BIOPHARMA LTD	30,800	$79K	0.06%	Call
5914	CMBTEURONAV NV	8,900	$79K	0.06%	Call
5915	AGROADECOAGRO S A	10,247	$79K	0.06%
5916	INSMINSMED INC	2,900	$79K	0.06%	Call
5917	PXLWEURPIXELWORKS INC	18,055	$79K	0.06%
5918	—DYADIC INTL INC DEL	17,500	$79K	0.06%	Call
5919	USACUSA COMPRESSION PARTNERS LP	4,497	$78K	0.06%
5920	—AMERICAN EQTY INVT LIFE HLD	2,000	$78K	0.06%	Call
5921	—TREBIA ACQUISITION CORP	7,800	$78K	0.06%	Call
5922	—COMSCORE INC	23,500	$78K	0.06%	Call
5923	HRIHERC HLDGS INC	500	$78K	0.06%	Call
5924	—POTLATCHDELTIC CORPORATION	1,300	$78K	0.06%	Put
5925	LXRXLEXICON PHARMACEUTICALS INC	19,900	$78K	0.06%	Call
5926	—ADTRAN INC	3,400	$78K	0.06%	Call
5927	EP3ORASURE TECHNOLOGIES INC	8,952	$78K	0.06%
5928	—MONMOUTH REAL ESTATE INVT CO	3,700	$78K	0.06%	Call
5929	GPIGROUP 1 AUTOMOTIVE INC	400	$78K	0.06%	Put
5930	GLREGREENLIGHT CAPITAL RE LTD	10,000	$78K	0.06%	Call
5931	EDAEDAP TMS S A	12,946	$78K	0.06%
5932	USLUNITED STS 12 MONTH OIL FD L	2,779	$78K	0.06%
5933	—AUDACY INC	30,289	$78K	0.06%
5934	—VIEWRAY INC	13,900	$77K	0.06%	Put
5935	—VIRNETX HLDG CORP	29,800	$77K	0.06%	Call
5936	WKCWORLD FUEL SVCS CORP	2,900	$77K	0.06%	Call
5937	—ORCHID IS CAP INC	17,000	$77K	0.06%	Put
5938	PACWUSDPACWEST BANCORP DEL	1,712	$77K	0.06%
5939	RVSBRIVERVIEW BANCORP INC	10,000	$77K	0.06%	Put
5940	—IZEA WORLDWIDE INC	57,700	$77K	0.06%	Call
5941	CANOCANO HEALTH INC	8,545	$76K	0.06%
5942	GTESGATES INDUSTRIAL CORPRATIN P	4,800	$76K	0.06%	Put
5943	BLZEBACKBLAZE INC	4,500	$76K	0.06%	Put
5944	IMUXIMMUNIC INC	7,900	$76K	0.06%	Put
5945	—RESONANT INC	44,205	$76K	0.06%
5946	—AYRO INC	46,894	$76K	0.06%
5947	ALECALECTOR INC	3,700	$76K	0.06%	Put
5948	FIXXEURHOMOLOGY MEDICINES INC	20,752	$76K	0.06%
5949	—MARKFORGED HOLDING CORPORATI	14,100	$76K	0.06%	Call
5950	FTVFORTIVE CORP	1,001	$76K	0.06%
5951	—BIO-KEY INTL INC	34,500	$76K	0.06%	Call
5952	SITCUSDSITE CTRS CORP	4,797	$76K	0.06%
5953	—SUNWORKS INC	24,700	$76K	0.06%	Put
5954	—OTONOMY INC	36,700	$76K	0.06%	Put
5955	XNETXUNLEI LTD	37,500	$75K	0.06%	Call
5956	ETONETON PHARMACEUTICALS INC	17,500	$75K	0.06%	Call
5957	SERVUSDTERMINIX GLOBAL HOLDINGS INC	1,666	$75K	0.06%
5958	ECVTECOVYST INC	7,347	$75K	0.06%
5959	—NEOPHOTONICS CORP	4,900	$75K	0.06%	Put
5960	—UNITED STS BRENT OIL FD LP	3,600	$75K	0.06%	Put
5961	DBAINVESCO DB COMMDY INDX TRCK	3,600	$75K	0.06%	Put
5962	OSCROSCAR HEALTH INC	9,600	$75K	0.06%	Put
5963	—PARATEK PHARMACEUTICALS INC	16,800	$75K	0.06%	Put
5964	—CHARLES RIV LABS INTL INC	200	$75K	0.06%	Put
5965	MKTWMARKETWISE INC	10,000	$75K	0.06%	Call
5966	GRFSGRIFOLS S A	6,700	$75K	0.06%	Call
5967	RDHLGBPREDHILL BIOPHARMA LTD	28,995	$75K	0.06%
5968	—EQONEX LIMITED	40,000	$75K	0.06%	Call
5969	LEGLEGGETT & PLATT INC	1,800	$74K	0.06%	Put
5970	—VERITIV CORP	600	$74K	0.06%	Call
5971	—NAVIOS MARITIME HOLDINGS INC	20,000	$74K	0.06%	Put
5972	DSLDOUBLELINE INCOME SOLUTIONS	4,600	$74K	0.06%	Call
5973	—LIBERTY TRIPADVISOR HLDGS IN	33,900	$74K	0.06%	Put
5974	CNETZW DATA ACTION TECHNOLOGS IN	73,800	$74K	0.06%	Put
5975	BCICPORTMAN RIDGE FIN CORP	3,000	$74K	0.06%	Put
5976	LADRLADDER CAP CORP	6,200	$74K	0.06%	Put
5977	SRTSTARTEK INC	14,229	$74K	0.06%
5978	—AGEAGLE AERIAL SYS INC NEW	46,500	$73K	0.06%	Call
5979	—MOBILE TELESYSTEMS PUB JT ST	9,200	$73K	0.06%	Put
5980	PSNLPERSONALIS INC	5,100	$73K	0.06%	Put
5981	NSYNICE LTD	240	$73K	0.06%
5982	—SHELL MIDSTREAM PARTNERS L P	6,300	$73K	0.06%	Put
5983	SUPNSUPERNUS PHARMACEUTICALS INC	2,488	$73K	0.06%
5984	EYPTEYEPOINT PHARMACEUTICALS INC	5,950	$73K	0.06%
5985	—BIO-KEY INTL INC	33,519	$73K	0.06%
5986	—EMCORE CORP	10,400	$73K	0.06%	Call
5987	VGZVISTA GOLD CORP	102,900	$73K	0.06%	Call
5988	—FREQUENCY THERAPEUTICS INC	14,300	$73K	0.06%	Put
5989	LFMDLIFEMD INC	18,800	$73K	0.06%	Put
5990	—SPARK NETWORKS SE	23,300	$73K	0.06%	Put
5991	TSETRINSEO PLC	1,400	$73K	0.06%	Put
5992	—REMARK HLDGS INC	73,700	$73K	0.06%	Call
5993	LZBLA Z BOY INC	2,000	$73K	0.06%	Call
5994	—EDGEWELL PERS CARE CO	1,600	$73K	0.06%	Put
5995	NAGECHROMADEX CORP	19,324	$72K	0.06%
5996	LXRXLEXICON PHARMACEUTICALS INC	18,200	$72K	0.06%	Put
5997	—HOEGH LNG PARTNERS LP	16,600	$72K	0.06%	Put
5998	—PARAMOUNT GROUP INC	8,600	$72K	0.06%	Call
5999	—FLOTEK INDS INC DEL	63,900	$72K	0.06%	Call
6000	KOSKOSMOS ENERGY LTD	20,800	$72K	0.06%	Put

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