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
3601	BOXBOX INC	18,649	$337K	0.58%
3602	—CERNER CORP	4,300	$337K	0.58%	Put
3603	NTLAINTELLIA THERAPEUTICS INC	6,175	$336K	0.58%
3604	NVTNVENT ELECTRIC PLC	14,400	$335K	0.58%	Call
3605	OMFONEMAIN HLDGS INC	6,955	$335K	0.58%
3606	CLDTCHATHAM LODGING TR	31,000	$335K	0.58%	Put
3607	URBNURBAN OUTFITTERS INC	13,100	$335K	0.58%	Put
3608	DDSDILLARDS INC	5,313	$335K	0.58%
3609	MTLSMATERIALISE NV	6,186	$335K	0.58%
3610	SBSCOMPANHIA DE SANEAMENTO BASI	38,900	$334K	0.58%	Call
3611	CODICOMPASS DIVERSIFIED	17,100	$333K	0.58%	Call
3612	RGAREINSURANCE GRP OF AMERICA I	2,869	$333K	0.58%
3613	AGNCAGNC INVT CORP	21,277	$332K	0.57%
3614	LOVELOVESAC COMPANY	7,700	$332K	0.57%	Call
3615	—GREENPOWER MTR CO INC	11,400	$332K	0.57%	Call
3616	—PHILLIPS 66 PARTNERS LP	12,572	$332K	0.57%
3617	LCTXLINEAGE CELL THERAPEUTICS IN	188,300	$331K	0.57%	Call
3618	—PROSHARES TR	25,979	$331K	0.57%
3619	RXTRACKSPACE TECHNOLOGY INC	17,362	$331K	0.57%
3620	OMCOMNICOM GROUP INC	5,300	$331K	0.57%	Call
3621	PETSPETMED EXPRESS INC	10,300	$330K	0.57%
3622	—WIDEOPENWEST INC	30,900	$330K	0.57%	Call
3623	—ATHENEX INC	29,800	$330K	0.57%	Call
3624	—ENTERGY CORP NEW	3,300	$329K	0.57%	Call
3625	TREELENDINGTREE INC NEW	1,200	$329K	0.57%	Put
3626	CEVACEVA INC	7,223	$329K	0.57%
3627	—ATLANTIC UN BANKSHARES CORP	10,000	$329K	0.57%	Call
3628	ARRYARRAY TECHNOLOGIES INC	7,600	$328K	0.57%	Call
3629	—ATARA BIOTHERAPEUTICS INC	16,700	$328K	0.57%	Call
3630	HCSGHEALTHCARE SVCS GROUP INC	11,669	$328K	0.57%
3631	BXMTBLACKSTONE MTG TR INC	11,898	$328K	0.57%
3632	EGHT8X8 INC NEW	9,500	$327K	0.57%	Put
3633	BEAMBEAM THERAPEUTICS INC	3,998	$326K	0.56%
3634	CSVCARRIAGE SVCS INC	10,400	$326K	0.56%	Call
3635	CRKCOMSTOCK RES INC	74,433	$325K	0.56%
3636	—VANGUARD SPECIALIZED FUNDS	2,300	$325K	0.56%	Put
3637	—VAPOTHERM INC	12,100	$325K	0.56%	Put
3638	BCCBOISE CASCADE CO DEL	6,800	$325K	0.56%	Call
3639	—HARROW HEALTH INC	47,200	$324K	0.56%	Call
3640	—ADVERUM BIOTECHNOLOGIES INC	29,900	$324K	0.56%	Put
3641	AMRCAMERESCO INC	6,200	$324K	0.56%	Call
3642	ANFABERCROMBIE & FITCH CO	15,900	$324K	0.56%	Put
3643	—TEEKAY LNG PARTNERS L P	28,300	$324K	0.56%	Call
3644	TPHTRI POINTE GROUP INC	18,800	$324K	0.56%	Put
3645	ANABANAPTYSBIO INC	15,027	$323K	0.56%
3646	—GREAT PANTHER MNG LTD	379,200	$323K	0.56%	Call
3647	—IMMUNOGEN INC	50,100	$323K	0.56%	Call
3648	—LITHIA MTRS INC	1,100	$322K	0.56%	Put
3649	AXUALEXCO RESOURCE CORP	101,567	$322K	0.56%
3650	JOEST JOE CO	7,597	$322K	0.56%
3651	PNFPPINNACLE FINL PARTNERS INC	5,000	$322K	0.56%	Call
3652	—AMERICAN WTR WKS CO INC NEW	2,100	$322K	0.56%	Call
3653	—CARDTRONICS PLC	9,100	$321K	0.56%	Call
3654	—PEOPLES UNITED FINANCIAL INC	24,800	$321K	0.56%	Put
3655	DHTDHT HOLDINGS INC	61,434	$321K	0.56%
3656	RLMDRELMADA THERAPEUTICS INC	10,000	$321K	0.56%	Call
3657	SYKSTRYKER CORPORATION	1,300	$319K	0.55%	Put
3658	LADRLADDER CAP CORP	32,600	$319K	0.55%	Call
3659	—LUMINEX CORP DEL	13,800	$319K	0.55%	Call
3660	MOHMOLINA HEALTHCARE INC	1,500	$319K	0.55%	Put
3661	IMAIMAX CORP	17,726	$319K	0.55%
3662	FXYINVESCO CURRENCYSHARES JAPAN	3,479	$318K	0.55%
3663	CNPCENTERPOINT ENERGY INC	14,700	$318K	0.55%	Call
3664	CMTLCOMTECH TELECOMMUNICATIONS C	15,381	$318K	0.55%
3665	CTASCINTAS CORP	900	$318K	0.55%	Call
3666	ZIONZIONS BANCORPORATION N A	7,300	$317K	0.55%	Put
3667	ALLTALLOT LTD	30,100	$317K	0.55%	Call
3668	XBITXBIOTECH INC	20,229	$317K	0.55%
3669	STSENSATA TECHNOLOGIES HLDG PL	6,000	$316K	0.55%	Call
3670	—CHEMBIO DIAGNOSTICS INC	66,600	$316K	0.55%	Call
3671	UISUNISYS CORP	16,000	$315K	0.54%	Put
3672	—AMPIO PHARMACEUTICALS INC	197,900	$315K	0.54%	Put
3673	NMMNAVIOS MARITIME PARTNERS L P	28,100	$315K	0.54%	Call
3674	—APPLIED GENETIC TECHNOLOGIES	77,000	$315K	0.54%	Call
3675	—GRANITE PT MTG TR INC	31,400	$314K	0.54%	Put
3676	—SOCIEDAD QUIMICA Y MINERA DE	6,400	$314K	0.54%	Put
3677	—VEECO INSTRS INC DEL	18,100	$314K	0.54%	Call
3678	ZZILLOW GROUP INC	2,300	$313K	0.54%	Put
3679	—ENVESTNET INC	3,800	$313K	0.54%	Call
3680	BBARBANCO BBVA ARGENTINA S A	97,200	$312K	0.54%	Call
3681	SNDXSYNDAX PHARMACEUTICALS INC	14,021	$312K	0.54%
3682	STSENSATA TECHNOLOGIES HLDG PL	5,916	$312K	0.54%
3683	ESEVERSOURCE ENERGY	3,600	$311K	0.54%	Put
3684	BHRBRAEMAR HOTELS & RESORTS INC	67,200	$310K	0.54%	Put
3685	CVEOCIVEO CORP CDA	22,300	$310K	0.54%	Call
3686	KRTXKARUNA THERAPEUTICS INC	3,037	$309K	0.53%
3687	ACRSACLARIS THERAPEUTICS INC	47,633	$308K	0.53%
3688	—U S SILICA HLDGS INC	43,900	$308K	0.53%	Call
3689	—GENMARK DIAGNOSTICS INC	21,008	$307K	0.53%
3690	PBYIPUMA BIOTECHNOLOGY INC	29,896	$307K	0.53%
3691	MFINMEDALLION FINL CORP	62,500	$306K	0.53%	Call
3692	SJMSMUCKER J M CO	2,638	$305K	0.53%
3693	HASIHANNON ARMSTRONG SUST INFR C	4,816	$305K	0.53%
3694	CNNECANNAE HLDGS INC	6,900	$305K	0.53%	Call
3695	ADMAADMA BIOLOGICS INC	156,317	$305K	0.53%
3696	—PERFICIENT INC	6,400	$305K	0.53%	Put
3697	ISRGINTUIT	800	$304K	0.53%	Put
3698	—NCINO INC	4,200	$304K	0.53%	Call
3699	INVEIDENTIV INC	35,800	$304K	0.53%	Call
3700	—RIGEL PHARMACEUTICALS INC	86,700	$303K	0.52%	Put

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