GROUP ONE TRADING LLC Q2 2020 Filing

Filed August 13, 2020

Portfolio Value

$21.7M

Holdings

5,779

Report Date

Q2 2020

Filing Type

13F-HR

All Holdings (5,779 positions)

#	Stock	Shares	Value	% Portfolio	Type
3801	SSNCSS&C TECHNOLOGIES HLDGS INC	2,060	$116K	0.54%
3802	RMDRESMED INC	600	$115K	0.53%	Call
3803	SDGRSCHRODINGER INC	1,261	$115K	0.53%
3804	CINFCINCINNATI FINL CORP	1,800	$115K	0.53%	Call
3805	NHINATIONAL HEALTH INVS INC	1,900	$115K	0.53%	Call
3806	IRTINDEPENDENCE RLTY TR INC	10,000	$115K	0.53%	Call
3807	—COVETRUS INC	6,400	$115K	0.53%	Call
3808	EDCONSOLIDATED EDISON INC	1,600	$115K	0.53%	Put
3809	—ORCHID IS CAP INC	24,200	$114K	0.53%	Put
3810	—WESTLAKE CHEM PARTNERS LP	6,000	$114K	0.53%	Call
3811	MBUUMALIBU BOATS INC	2,200	$114K	0.53%	Call
3812	—M & T BK CORP	1,100	$114K	0.53%	Call
3813	BLDTOPBUILD CORP	1,000	$114K	0.53%	Call
3814	MDC1USDM D C HLDGS INC	3,200	$114K	0.53%
3815	LPXLOUISIANA PAC CORP	4,400	$113K	0.52%	Put
3816	REZIRESIDEO TECHNOLOGIES INC	9,606	$113K	0.52%
3817	RDHLREDHILL BIOPHARMA LTD	16,800	$113K	0.52%	Call
3818	TKTEEKAY CORPORATION	47,224	$113K	0.52%
3819	—PARTY CITY HOLDCO INC	76,000	$113K	0.52%	Put
3820	—UXIN LTD	78,800	$113K	0.52%	Call
3821	SPHRMADISON SQUARE GRDN ENTERTNM	1,500	$113K	0.52%	Call
3822	MKSIMKS INSTRS INC	1,000	$113K	0.52%	Call
3823	SNDXSYNDAX PHARMACEUTICALS INC	7,600	$113K	0.52%	Put
3824	PGNYPROGYNY INC	4,358	$112K	0.52%
3825	ORMPORAMED PHARM INC	31,600	$112K	0.52%	Call
3826	TRMBTRIMBLE INC	2,600	$112K	0.52%	Put
3827	PRPLPURPLE INNOVATION INC	6,200	$112K	0.52%	Put
3828	—TERRAFORM PWR INC	6,100	$112K	0.52%	Put
3829	HUBSHUBSPOT INC	500	$112K	0.52%	Put
3830	AKAMAKAMAI TECHNOLOGIES INC	1,043	$112K	0.52%
3831	WKWORKIVA INC	2,100	$112K	0.52%	Call
3832	—VEECO INSTRS INC DEL	8,300	$112K	0.52%	Call
3833	PARPAR TECHNOLOGY CORP	3,700	$111K	0.51%	Put
3834	MEDMEDIFAST INC	800	$111K	0.51%	Call
3835	—TERRAFORM PWR INC	6,041	$111K	0.51%
3836	DENNDENNYS CORP	10,966	$111K	0.51%
3837	—NIELSEN HLDGS PLC	7,500	$111K	0.51%	Put
3838	—IVERIC BIO INC	21,800	$111K	0.51%	Put
3839	CMCCOMMERCIAL METALS CO	5,451	$111K	0.51%
3840	SAIASAIA INC	1,000	$111K	0.51%	Put
3841	LNTHLANTHEUS HLDGS INC	7,743	$111K	0.51%
3842	CRKCOMSTOCK RES INC	25,300	$111K	0.51%	Call
3843	IRINGERSOLL RAND INC	3,900	$110K	0.51%	Call
3844	LADRLADDER CAP CORP	13,561	$110K	0.51%
3845	—AKCEA THERAPEUTICS INC	8,000	$110K	0.51%	Call
3846	GTNGRAY TELEVISION INC	7,900	$110K	0.51%	Put
3847	SL2SLEEP NUMBER CORP	2,645	$110K	0.51%
3848	TRI4EURTHOMSON REUTERS CORP.	1,617	$110K	0.51%
3849	PBCTEURPEOPLES UNITED FINANCIAL INC	9,514	$110K	0.51%
3850	NNNNATIONAL RETAIL PROPERTIES I	3,100	$110K	0.51%	Put
3851	—WNS HLDGS LTD	2,000	$110K	0.51%	Call
3852	HHC*HOWARD HUGHES CORP	2,106	$109K	0.50%
3853	HIMXHIMAX TECHNOLOGIES INC	26,300	$109K	0.50%	Put
3854	—U S SILICA HLDGS INC	30,200	$109K	0.50%	Call
3855	PPCPILGRIMS PRIDE CORP	6,451	$109K	0.50%
3856	AHRTARMADA HOFFLER PPTYS INC	11,000	$109K	0.50%	Put
3857	SMPLSIMPLY GOOD FOODS CO	5,800	$108K	0.50%	Put
3858	PENPENUMBRA INC	606	$108K	0.50%
3859	—EXANTAS CAP CORP	40,600	$108K	0.50%	Put
3860	GOLFACUSHNET HOLDINGS CORP	3,100	$108K	0.50%	Call
3861	JMIAJUMIA TECHNOLOGIES AG	19,673	$108K	0.50%
3862	HASIHANNON ARMSTRONG SUST INFR C	3,800	$108K	0.50%	Put
3863	AMCXAMC NETWORKS INC	4,600	$108K	0.50%	Call
3864	—AKERNA CORP	12,300	$108K	0.50%	Call
3865	CMCCOMMERCIAL METALS CO	5,300	$108K	0.50%	Call
3866	SNXSYNNEX CORP	900	$108K	0.50%	Put
3867	CEMIUSDCHEMBIO DIAGNOSTICS INC	33,086	$108K	0.50%
3868	SINASINA CORP	2,998	$108K	0.50%
3869	KBRKBR INC	4,800	$108K	0.50%	Put
3870	BCOVUSDBRIGHTCOVE INC	13,640	$107K	0.49%
3871	TCRTZIOPHARM ONCOLOGY INC	32,468	$107K	0.49%
3872	SSSSSURO CAPITAL CORP	12,600	$107K	0.49%	Put
3873	HALOHALOZYME THERAPEUTICS INC	4,000	$107K	0.49%	Put
3874	—SOCIEDAD QUIMICA Y MINERA DE	4,100	$107K	0.49%	Call
3875	ICLKGBPICLICK INTRACTVE ASIA GRP LT	19,913	$106K	0.49%
3876	CDNSCADENCE DESIGN SYSTEM INC	1,100	$106K	0.49%	Put
3877	—GRANITE PT MTG TR INC	14,800	$106K	0.49%	Call
3878	JKSJINKOSOLAR HLDG CO LTD	5,975	$106K	0.49%
3879	CNICANADIAN NATL RY CO	1,200	$106K	0.49%	Call
3880	BHRBRAEMAR HOTELS & RESORTS INC	36,800	$105K	0.48%	Put
3881	—NATIONAL INSTRS CORP	2,700	$105K	0.48%	Call
3882	PACBPACIFIC BIOSCIENCES CALIF IN	30,490	$105K	0.48%
3883	CASYCASEYS GEN STORES INC	700	$105K	0.48%
3884	—US XPRESS ENTERPRISES INC	17,500	$105K	0.48%	Put
3885	COLLCOLLEGIUM PHARMACEUTICAL INC	6,000	$105K	0.48%	Put
3886	—KANSAS CITY SOUTHERN	700	$105K	0.48%	Call
3887	NNNNATIONAL RETAIL PROPERTIES I	2,973	$105K	0.48%
3888	—NEW AGE BEVERAGES CORP	68,400	$105K	0.48%	Call
3889	—ABM INDS INC	2,900	$105K	0.48%	Call
3890	QNSTQUINSTREET INC	10,029	$105K	0.48%
3891	—CHUYS HLDGS INC	7,000	$104K	0.48%	Call
3892	SOHUSOHU COM LTD	11,300	$104K	0.48%	Call
3893	—CALLON PETE CO DEL	90,400	$104K	0.48%	Put
3894	—PARATEK PHARMACEUTICALS INC	19,965	$104K	0.48%
3895	BLDRBUILDERS FIRSTSOURCE INC	5,000	$104K	0.48%	Put
3896	—PEOPLES UNITED FINANCIAL INC	9,000	$104K	0.48%	Call
3897	IRWDIRONWOOD PHARMACEUTICALS INC	10,066	$104K	0.48%
3898	ATEXANTERIX INC	2,293	$104K	0.48%
3899	SKYWSKYWEST INC	3,200	$104K	0.48%	Put
3900	LNTHLANTHEUS HLDGS INC	7,200	$103K	0.48%	Call

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