GROUP ONE TRADING LLC Q1 2020 Filing

Filed May 13, 2020

Portfolio Value

$12.3M

Holdings

5,255

Report Date

Q1 2020

Filing Type

13F-HR

All Holdings (5,255 positions)

#	Stock	Shares	Value	% Portfolio	Type
3901	MGAMAGNA INTL INC	1,300	$42K	0.34%	Put
3902	—HARTFORD FINL SVCS GROUP INC	1,200	$42K	0.34%	Put
3903	PRAHPRA HEALTH SCIENCES INC	500	$42K	0.34%
3904	—PING IDENTITY HLDG CORP	2,100	$42K	0.34%	Call
3905	LOCOEL POLLO LOCO HLDGS INC	5,000	$42K	0.34%	Call
3906	MCRIMONARCH CASINO & RESORT INC	1,500	$42K	0.34%	Call
3907	—LANDMARK INFRASTRUCTURE LP	4,000	$42K	0.34%	Call
3908	4NX1LUMOS PHARMA INC	4,775	$41K	0.33%
3909	HIMXHIMAX TECHNOLOGIES INC	15,100	$41K	0.33%	Put
3910	NVRIHARSCO CORP	5,900	$41K	0.33%	Call
3911	CNHICNH INDL N V	7,226	$41K	0.33%
3912	PAHUSDELEMENT SOLUTIONS INC	4,887	$41K	0.33%
3913	—M & T BK CORP	400	$41K	0.33%	Call
3914	DEDEERE & CO	300	$41K	0.33%	Put
3915	OUTOUTFRONT MEDIA INC	3,007	$41K	0.33%
3916	SABRSABRE CORP	6,900	$41K	0.33%	Put
3917	CPACOPA HOLDINGS SA	900	$41K	0.33%	Put
3918	—DOMTAR CORP	1,900	$41K	0.33%	Put
3919	CMICUMMINS INC	300	$41K	0.33%
3920	WTTRSELECT ENERGY SVCS INC	12,600	$41K	0.33%	Call
3921	KRTXKARUNA THERAPEUTICS INC	576	$41K	0.33%
3922	VNDAVANDA PHARMACEUTICALS INC	4,000	$41K	0.33%	Call
3923	—CASA SYS INC	11,800	$41K	0.33%	Call
3924	MCYMERCURY GENL CORP NEW	1,000	$41K	0.33%	Call
3925	WKHSEURWORKHORSE GROUP INC	22,572	$41K	0.33%
3926	BNSBANK NOVA SCOTIA B C	1,000	$41K	0.33%	Call
3927	QUADQUAD / GRAPHICS INC	16,245	$41K	0.33%
3928	IHRTIHEARTMEDIA INC	5,600	$41K	0.33%
3929	—WAITR HLDGS INC	32,563	$40K	0.32%
3930	SWKSTANLEY BLACK & DECKER INC	400	$40K	0.32%	Call
3931	USNAUSANA HEALTH SCIENCES INC	700	$40K	0.32%	Call
3932	—MGM GROWTH PPTYS LLC	1,700	$40K	0.32%
3933	CELHCELSIUS HLDGS INC	9,600	$40K	0.32%	Call
3934	CNDTCONDUENT INC	16,331	$40K	0.32%
3935	GOROGOLD RESOURCE CORP	14,400	$40K	0.32%	Put
3936	—T2 BIOSYSTEMS INC	60,869	$40K	0.32%
3937	—ORGANIGRAM HLDGS INC	20,200	$40K	0.32%	Put
3938	PLABPHOTRONICS INC	3,875	$40K	0.32%
3939	HRTXHERON THERAPEUTICS INC	3,371	$40K	0.32%
3940	—LEAF GROUP LTD	30,000	$40K	0.32%	Put
3941	—GOOSEHEAD INS INC	900	$40K	0.32%	Call
3942	—SUNDIAL GROWERS INC	63,100	$40K	0.32%	Call
3943	ZBHZIMMER BIOMET HOLDINGS INC	400	$40K	0.32%	Call
3944	VUZIVUZIX CORP	32,500	$40K	0.32%	Put
3945	USFDUS FOODS HLDG CORP	2,259	$40K	0.32%
3946	—DICKS SPORTING GOODS INC	1,900	$40K	0.32%	Put
3947	—LATAM AIRLS GROUP S A	15,000	$40K	0.32%	Call
3948	MHKMOHAWK INDS INC	527	$40K	0.32%
3949	PKGPACKAGING CORP AMER	445	$39K	0.32%
3950	ALSNALLISON TRANSMISSION HLDGS I	1,200	$39K	0.32%	Call
3951	ARLOARLO TECHNOLOGIES INC	16,100	$39K	0.32%	Call
3952	RMBSRAMBUS INC DEL	3,500	$39K	0.32%	Call
3953	GTNGRAY TELEVISION INC	3,600	$39K	0.32%	Put
3954	SAVACASSAVA SCIENCES INC	9,591	$39K	0.32%
3955	CTSOCYTOSORBENTS CORP	5,000	$39K	0.32%	Put
3956	—INVESCO MORTGAGE CAPITAL INC	11,500	$39K	0.32%	Call
3957	UNVREURUNIVAR SOLUTIONS INC	3,684	$39K	0.32%
3958	—SERVICE CORP INTL	1,000	$39K	0.32%	Put
3959	—TUFIN SOFTWARE TECHNOLOGIS L	4,455	$39K	0.32%
3960	—NAVIDEA BIOPHARMACEUTICALS I	51,300	$39K	0.32%	Call
3961	—USA TRUCK INC	11,937	$38K	0.31%
3962	PNFPPINNACLE FINL PARTNERS INC	1,000	$38K	0.31%	Call
3963	—AIR TRANSPORT SERVICES GRP I	2,100	$38K	0.31%	Put
3964	CBRECBRE GROUP INC	1,000	$38K	0.31%	Call
3965	—ADT INC	8,900	$38K	0.31%	Put
3966	YETIYETI HLDGS INC	1,933	$38K	0.31%
3967	SXCSUNCOKE ENERGY INC	9,900	$38K	0.31%	Put
3968	—ACELRX PHARMACEUTICALS INC	32,300	$38K	0.31%	Put
3969	CYHCOMMUNITY HEALTH SYS INC NEW	11,367	$38K	0.31%
3970	—COMPUTER TASK GROUP INC	10,022	$38K	0.31%
3971	SFLSFL CORPORATION LTD	4,026	$38K	0.31%
3972	AXTIAXT INC	11,800	$38K	0.31%	Call
3973	—MOBILEIRON INC	10,000	$38K	0.31%	Put
3974	—IDEANOMICS INC	27,715	$37K	0.30%
3975	MCFTMASTERCRAFT BOAT HLDGS INC	5,000	$37K	0.30%	Put
3976	VYGRVOYAGER THERAPEUTICS INC	4,087	$37K	0.30%
3977	—MAIN STR CAP CORP	1,800	$37K	0.30%	Call
3978	—MENLO THERAPEUTICS INC	13,973	$37K	0.30%
3979	—NOBLE ENERGY INC	6,100	$37K	0.30%	Put
3980	JYNTJOINT CORP	3,383	$37K	0.30%
3981	EQNREQUINOR ASA	3,000	$37K	0.30%	Put
3982	SEESEALED AIR CORP NEW	1,500	$37K	0.30%	Call
3983	GLPGLOBAL PARTNERS LP	4,200	$37K	0.30%	Put
3984	—UXIN LTD	23,800	$37K	0.30%	Put
3985	OCOWENS CORNING NEW	961	$37K	0.30%
3986	—ACELRX PHARMACEUTICALS INC	31,263	$37K	0.30%
3987	—PFENEX INC	4,200	$37K	0.30%	Call
3988	IVREURINVESCO MORTGAGE CAPITAL INC	10,882	$37K	0.30%
3989	—BRIGHTCOVE INC	5,300	$37K	0.30%	Call
3990	—WAITR HLDGS INC	30,000	$37K	0.30%	Call
3991	UECURANIUM ENERGY CORP	65,500	$37K	0.30%	Put
3992	—CAPITAL PRODUCT PARTNERS L P	5,000	$37K	0.30%	Put
3993	AVNTNAVIENT CORPORATION	4,900	$37K	0.30%	Call
3994	—MESA AIR GROUP INC	11,100	$37K	0.30%	Call
3995	PLCECHILDRENS PL INC	1,856	$36K	0.29%
3996	FPIFARMLAND PARTNERS INC	5,861	$36K	0.29%
3997	DMRCDIGIMARC CORP NEW	2,761	$36K	0.29%
3998	MERCMERCER INTL INC	5,000	$36K	0.29%	Put
3999	MBIMBIA INC	5,000	$36K	0.29%	Call
4000	—PROGENICS PHARMACEUTICALS IN	9,478	$36K	0.29%

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